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Clients rate Android App developers
Rating is 4.7 out of 5.
4.7/5
based on 2,918 client reviews
  • $40 hourly
    • 4.7/5
    • (56 jobs)
    I am a software engineer with 11 years of experience in ODOO Software development, deployment, customization, program management, IT Enterprise system, IT sales & distribution systems, VAS and Charging systems. My mission is to make my clients feel comfortable and fully satisfied with their ERP solution. I believe your business is unique and your operational system should cater to it's singularity. I don't believe in temporary solutions (i.e. short sighted patches). I only believe in permanent ones! Odoo is my main strength. I deliver projects on time and on quality. I have implemented Odoo solutions for more than 85 different companies of varying industries. I exercise due diligence by making sure your requests do not already exist through configuration and/or do not compromise your database's future migrations. I have done Odoo projects such as (Factories, Retail, Real-estate, Restaurants, and Automobile industries etc) I speak English very well. I live in Ahmedabad now. I have studied Bachelor of computer application from the Saurashtra University, Rajkot. Skills: • ODOO Website design • ODOO E-commerce shops • ODOO CRMs • ODOO Modules I have developed and implemented Point of Sale on a couple of Hotels and Restaurants. I can do POS modification, Sale, Purchase, Inventory, Accounting, Manufacturing module modification. I can also develop a whole custom module according to requirement of client. Thanks
    Featured Skill Android App Development
    Sales
    React Native
    HTML
    HRsoft
    Flutter
    Odoo
    Odoo Development
    Point of Sale & Payment Systems
    Odoo Administration
    Manufacturing & Storage
    Mobile App Development
    Accounting
  • $35 hourly
    • 5.0/5
    • (27 jobs)
    Building Scalable Solutions that Turn Ideas into Reality—Let’s Create Magic Together! 🚀✨ ✨ Laravel & CRM Specialist | Full-Stack Developer | API Integration Expert 🌐 Hi there! 👋 With over 7 years of experience, I specialize in crafting powerful web applications and CRM solutions. Here’s what I bring to the table: CRM Expertise 💼 ✅ Proficient in HubSpot, SuiteCRM, SugarCRM, and GoHighlevel ✅ Customizing, integrating, and optimizing CRM systems for seamless workflows ✅ Enhancing your customer relationship management with tailored solutions that fit your needs perfectly Laravel & TALL Stack Pro ⚡ ✅ Mastery in Laravel, Eloquent, Blade, Mix/Vite, TALL (Tailwind, Alpine.js, Laravel, Livewire) ✅ Building dynamic and responsive applications that scale with your business ✅ Expertise in creating high-performance solutions that deliver results API & Integration Mastery 🔌 ✅ Skilled in integrating Twilio, Docusign, Synthflow, OpenAI, Five9, Array Credit Pull, and WhatsApp ✅ Connecting third-party services effortlessly to expand functionality and streamline processes ✅ Providing robust and secure API solutions that empower your platform to grow Mobile Development 📱 ✅ Crafting sleek, cross-platform apps with Flutter and React JS ✅ Bringing your mobile vision to life with a focus on user experience and performance Database Expertise 💾 ✅ Experienced in MongoDB, MySQL, and data visualization using Power BI ✅ Structuring and optimizing databases for performance and scalability Payment Gateway Integrations 💳 ✅ Expert in integrating Stripe, Opay, Klix, and more payment gateways ✅ Ensuring secure, fast, and reliable payment systems for your platform REST API Development 🌐 ✅ Creating and integrating robust APIs to connect services seamlessly ✅ Streamlining your tech stack with scalable, reliable, and efficient APIs Let’s Collaborate to Deliver Scalable, Impactful Solutions 🎯 Tailored to your business goals and designed to drive real results. Let’s make your project a reality! Thanks for checking my profile! 😄 Bhupendra Kumar
    Featured Skill Android App Development
    SugarCRM
    SuiteCRM
    HubSpot
    Flutter
    Payment Gateway Integration
    CSS
    Bootstrap
    MySQL
    .NET Framework
    ChatGPT
    Laravel
    PHP
    JavaScript
    React
  • $50 hourly
    • 4.6/5
    • (159 jobs)
    With over 6 years of experience and 100+ successful projects, I specialize in crafting apps that combine flawless functionality with exceptional design. My passion lies in turning your ideas into high-performing, user-centric mobile solutions. What I Bring to the Table: - Native Mobile Development Expertise: Proficient in Swift, Objective-C, Java, and Kotlin to deliver powerful and scalable native apps. - Cross-Platform Excellence: Building seamless, efficient apps with React Native and Flutter. - Intuitive UI/UX Design: Designing elegant and engaging interfaces that elevate user satisfaction. - Back-End Integration & Development: Ensuring robust performance through API integrations and reliable backend solutions. - Quality Assurance: Delivering bug-free, thoroughly tested apps with meticulous attention to detail. Why Choose Me? - Proven Expertise: 100+ projects delivered with precision and stellar client feedback. - Innovative Solutions: Staying ahead with cutting-edge tools, frameworks, and industry trends. - Collaborative Approach: Clear, consistent communication to align with your vision and goals. - Detail-Driven Excellence: High-quality code, optimised performance, and seamless functionality. - Client Satisfaction Guarantee: Committed to exceeding expectations and delivering outstanding results. Ready to elevate your app to the next level? Let’s connect and create something extraordinary together!
    Featured Skill Android App Development
    iPad App Development
    iOS SDK
    Apple Xcode
    iOS Development
    Mobile App Development
    Android
    iOS
    In-App Advertising
    In-App Purchases
    Firebase
    Push Notifications
    Java
    Android Studio
    Swift
  • $35 hourly
    • 4.8/5
    • (79 jobs)
    Hi there! I am Bhaskar, founder of Fusioni Technologies Private Limited, Noida, India since 2012. I have 20+ years of work experience in the IT industry. I also have a skilled, problem-solving, quick-response team to support my passion for development. We work for overseas clients around the globe. Our areas of expertise are - 1. OTT/CTV/Smart TV Apps - Roku TV - Fire TV - Samsung/Tizen TV - LG WebOS - Android/Google TV - Apple TV - Vizio TV - Vidaa/Hisense TV 2. Mobile Apps - iPhone App - Android App 3. Web Development - Zend - Laravel - Magento - WordPress - React & Node JS - MySQL, PostgreSQL, MongoDB 4. Designing - Bootstrap - Prototype Design - Responsive Web Design I am always interested in making long-term relationships with clients to ensure every project becomes successful. You will have no trouble regarding time, quality and honesty. If you hire us, I can assure you that you will not regret your decision. Good day!
    Featured Skill Android App Development
    Amazon Web Services
    Web Services Development
    Business with 1-9 Employees
    Python
    JavaScript
    tvOS
    Roku Development
    Apple TV Application
    Web Application
    Custom App
    Tizen
    iOS Development
    Fire OS
    API
  • $50 hourly
    • 5.0/5
    • (24 jobs)
    I am in development profession from last 4 years. I am a professional android developer and recently set foot in windows apps development and chrome extensions development. My projects are always best in terms of performance and code simplicity. I provide clients long term support and best service possible. What can I do? • Android apps • Windows apps • Chrome extensions • REST API
    Featured Skill Android App Development
    Application Optimization
    Performance Optimization
    Logic Programming
    Algorithm Development
    Windows Presentation Foundation
    RESTful API
    Bash Programming
    Bug Fix
    Kotlin
    Java
    Dart
  • $55 hourly
    • 5.0/5
    • (8 jobs)
    🌟 𝟴+ 𝘆𝗲𝗮𝗿𝘀 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲𝗱 𝗘𝗺𝗯𝗲𝗱𝗱𝗲𝗱 𝗦𝘆𝘀𝘁𝗲𝗺𝘀, 𝗜𝗻𝘁𝗲𝗿𝗻𝗲𝘁 𝗼𝗳 𝗧𝗵𝗶𝗻𝗴𝘀, 𝗘𝗹𝗲𝗰𝘁𝗿𝗶𝗰𝗮𝗹 𝗮𝗻𝗱 𝗘𝗹𝗲𝗰𝘁𝗿𝗼𝗻𝗶𝗰𝘀 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿. 🛠️ Are you seeking a reliable and skilled electronic engineer or electrical engineer for embedded systems and Internet of things development, to bring your projects to life? Look no further! I have a seasoned team of electronics engineers specializing in custom solutions using Arduino, ESP32, STM32, and more. With extensive experience in PCB design and firmware development, we can turn your ideas into functional and cost-effective reality. Our Expertise: 🔹 Microcontrollers: Proficient in Arduino (UNO, MEGA, NANO), ESP32, STM32, and other popular platforms. 🌐 IoT Development: Experienced in IoT architecture, sensor integration, and wireless communication protocols (MQTT, HTTPS, HTTP). 🔧 PCB Design: Skilled in PCB layout and schematic design using EasyEDA and KiCad. 💻 Firmware Development: Expertise in programming microcontrollers, implementing protocols (UART, SPI, I2C), developing custom touch screen Ui applications based on LVGL (Squareline Studio) and optimizing code for efficiency. 🌡️ Sensor Integration: Extensive knowledge of various sensors including temperature/humidity, RFID, ultrasonic, gyro, gas sensors, and more. 📡 Communication Protocols: Proficient in UART, SPI, I2C, RS485 (Modbus), Ethernet, TCP-IP, and wireless protocols like BLE, LoRa, and ZigBee. 🌐 IoT Web Services: Capable of integrating with cloud platforms such as Firebase, ThingSpeak, Blynk, and AWS for data logging and remote monitoring. 📱 Mobile & Web App Development: Skilled in Flutter for cross-platform mobile app development and Node.js/Laravel for custom web services. Recent Projects: 🌍 Developed a 4G-based IoT data logger for environmental monitoring (temperature, humidity, CO2). 🏭 Implemented PLC monitoring solutions using RS485 Modbus for industrial automation. 🔵 Created BLE gateways for beacon-based proximity detection systems. 🏗️ Designed real-time structural health monitoring systems using industrial accelerometers and seismic sensors. 🌡️ Deployed high-temperature monitoring systems with 4G/WiFi connectivity. 🔥 Engineered conventional fire alarm systems with 4G/WiFi connectivity and remote alerting capabilities. Why Choose Us? ✅ We are committed to delivering high-quality, scalable, and affordable solutions tailored to your specific needs. Whether you're an individual entrepreneur or a large enterprise, we can collaborate seamlessly to realize your project goals. Let's discuss your requirements and take your project to the next level! Interested in Leveraging Our Expertise? If you're ready to benefit from our electronics engineering, electrical engineering, embedded systems development, and Internet of things solutions, feel free to reach out. We're excited to partner with you on your next venture!
    Featured Skill Android App Development
    Product Development
    Arduino
    Circuit Design
    Embedded C
    Microcontroller Programming
    nRF52
    PCB Design
    WiFi
    Bluetooth LE
    Raspberry Pi Firmware
    ESP32
    STM32
    IOTA
    Embedded Application
  • $35 hourly
    • 5.0/5
    • (10 jobs)
    I'm an experienced programmer who's all about Android app development. I've been at it since 2018, and I'm all about crafting high-quality Android apps that work well and follow the best coding rules for a great user experience. My preferred approach involves utilizing the "Clean Architecture" pattern combined with MVVM architecture in my projects. Additionally, for larger and complex projects, I follow the "Test-driven development" approach, ensuring robust and reliable outcomes. I am proficient in both Java and Kotlin, although I prefer using Kotlin for new projects. Here are some key highlights that define my work experience: 🚀 Extensive familiarity with Jetpack libraries, including Navigation Component, Room Database, Data Store, Data Binding, ViewModels, Work Manager, LiveData, and Jetpack Compose. ⚙️ Proficient in utilizing various Android components such as Activity and its lifecycle, Fragment with lifecycle, Alarm Manager, Services, Broadcast receivers, Intents, and Shared Preferences. ⚡ Well-versed in Kotlin coroutines, Flows, and Channels, leveraging them for efficient asynchronous programming. 🏗️ Expertise in implementing the MVVM pattern and Clean Architecture, resulting in modular and maintainable codebases. 🧪 Proven track record of implementing unit testing methodologies and frameworks to ensure the quality and stability of applications. 🛠️ Familiarity with essential tools and libraries such as Retrofit, Dagger Hilt, Arduino, TensorFlow Lite, Java, Firebase, Bluetooth, BLE, and Wifi, allowing for seamless integration of various functionalities into Android apps. 📨 Proficiency in working with notifications to provide users with a comprehensive app experience. Feel free to reach out to me if you have any queries or would like to discuss your project further.
    Featured Skill Android App Development
    Unit Testing
    Firebase
    Gradle
    Android SDK
    WiFi
    Kotlin
    Java
    Clean Architecture
    Bluetooth
    Arduino
    Mobile App Development
    Android Room Persistence
    Bluetooth LE
    Android Studio
  • $55 hourly
    • 4.8/5
    • (26 jobs)
    Highly energetic & passionate software developer with a specialty in immersive reality technology (AR/VR). I am experienced with understanding the market needs & as well as the client needs. I have worked with 🌟High Profile Clients/Organizations🌟 in my career, including the following to illustrate some of them: ✅ TATA Group ✅ Capgemini ✅ Hyundai ✅ Pfizer ✅ SRM University Extensive Experience as a Unity developer for the past 5+ years. Methodically identifying and resolving complex real-world problems using a vast variety of techniques and tools. I have provided solutions in the education sector, retail sector as well for industrial assembly lines to name a few in my diverse experience. I pride myself in my ability to intuitively gather, interpret and understand your requirements, as well as develop intuitive and creative solutions with market needs and requirements in the mind. Immersive Reality is my passion and I have gotten my feet dirty by exploring the various different technologies within, including Augmented Reality, Virtual Reality, Mixed reality, etc. I have been exposed to both software and hardware of various HUD, HMD devices. Extensive R&D and industrial deployments are in my forte in these devices including smartphone, tablets, UWP platforms. 🌟 WHY CHOOSE ME OVER OTHER FREELANCERS? 🌟 ✅ Client Reviews: Even though, I have very few reviews since I am new in Upwork platform, I focus on providing VALUE to all of my clients and earning their TRUST. The client Reviews and Feedback on my profile are immensely important to me and the value that I provide. ✅ Over-Delivering: This is core to my work as a Freelancer. My focus is on GIVING more than what I expect to RECEIVE. I take pride in leaving all of my clients saying "WOW" ✅ Responsiveness: Being extremely responsive and keeping all lines of communication readily open with my clients. ✅ Resilience: Reach out to any of my current or former clients and ask them about my Resilience. Any issue that my clients face, I attack them and find a SOLUTION. ✅ Kindness: One of the biggest aspects of my life that I implement in every facet of my life. Treating everyone with respect, understanding all situations, and genuinely wanting to IMPROVE my client's situation.
    Featured Skill Android App Development
    ARCore
    ARKit
    iOS
    Mobile App Development
    Android
    Microsoft HoloLens
    Quality Assurance
    Mixed Reality
    Software Architecture & Design
    Unity
    Augmented Reality
    C#
    AR & VR
    Virtual Reality
  • $35 hourly
    • 4.9/5
    • (76 jobs)
    Hello! I'm a UI/UX designer and mobile app developer with over 5 years of experience creating engaging apps. From wireframes to App Store launches, I provide sleek, user-friendly designs for both new MVPs and established products. Think of me as your product buddy—part designer, part developer, and full of ideas! I’m here to help create something that looks great, feels seamless, and keeps users engaged. Ready to start? Let’s outline a mini plan, brainstorm design ideas, or discuss market trends to make something that stands out! 🔧 Design Tools & UX Process Figma, Sketch, Adobe XD, Adobe Illustrator, Wireframing, Prototyping, User Flows, Design Systems, UI/UX Design 📱 Mobile App Development iOS Development, Android Development, React Native, Flutter, Swift, Kotlin, Objective-C, Hybrid App Development, Smartphone Apps, Mobile App Design, Mobile App Development 🌐 Web & Backend Technologies JavaScript, React, Firebase, Node.js, API Integration, REST APIs 💼 Industries & App Types SaaS, E-commerce, EdTech, Fintech, Healthcare, MVP Development, Startup Apps
    Featured Skill Android App Development
    Branding
    Ecommerce Website
    SaaS
    UX & UI
    Figma
    React
    Kotlin
    Swift
    iOS Development
    UI/UX Prototyping
    Web Development
    Mobile App Development
    Mobile App Design
  • $35 hourly
    • 5.0/5
    • (4 jobs)
    Youngest Alexa Developer | AI & Software Engineer | Voice Tech & Automation Specialist Hi, I’m Rudra Shah – an award-winning developer with a deep focus on Artificial Intelligence, Machine Learning, and Voice Assistant Technologies. I built the Alexa Skill ‘Greet Guest’, which won Best Alexa Skill of the Month, and I continue to push boundaries in voice-first solutions and automation. 🔹 What I Bring: 5+ AI-powered applications, including baby cry detection, hyperspectral image processing, and custom LLMs End-to-end development experience – from building and deploying apps to optimizing deep learning models Proficiency in Python, TensorFlow, PyTorch, Swift, AWS, and Android Studio Strong grasp of NLP, speech recognition, and cloud-based AI solutions 🔹 Why Me: I’m not just a developer – I’m a problem-solver who understands both the tech and the product side. Whether it’s crafting intelligent voice bots, building scalable APIs, or developing mobile apps, I bring creativity and precision to every project. Let’s work together to build future-ready solutions that truly make an impact. 💡
    Featured Skill Android App Development
    TensorFlow
    Deep Learning
    Artificial Intelligence
    Amazon S3
    Web Design
    Alexa Skills Kit
    API Development
    Flask
    Android
    Machine Learning
    Web Development
    Java
    SQL
    Python
  • $45 hourly
    • 5.0/5
    • (8 jobs)
    ✅ 100% Job Success ✅ Top Rated ⭐⭐⭐⭐⭐ 🏆 (5-star reviews) Client Review: "Very impressive team, attentive service, depth of technical skills. Highly recommended! Thank you and look forward to work again in future." 🚀 Empowering Businesses with AI-Driven Innovation 🚀 As a seasoned AI Specialist and Machine Learning Engineer, I bring a wealth of expertise in building and implementing intelligent, scalable solutions that drive business success. With deep knowledge across large language models (LLMs), natural language processing (NLP), computer vision, and advanced machine learning techniques, I help companies unlock the true potential of AI to enhance operations, elevate customer experiences, and fuel innovation. 🚀 My Expertise 🚀 I specialize in designing and deploying AI-powered applications tailored to unique business needs, leveraging the latest advancements in: ✅ Large Language Models (LLMs): Custom-trained models like GPT-4 and BERT for personalized content generation, customer service automation, and enhanced data insights. ✅ Natural Language Processing (NLP): Cutting-edge solutions for sentiment analysis, chatbots, text summarization, and more, enhancing how businesses interact with and understand their customers. ✅ Machine Learning and Predictive Analytics: Data-driven decision-making tools that deliver actionable insights, increase efficiency, and foster growth. ✅ Prompt Engineering and Fine-Tuning: Crafting advanced prompts and refining model outputs for nuanced, user-specific responses and content generation. 🚀 Key Skills and Technologies 🚀 ✅ Tech Stack: Python, TensorFlow, PyTorch, Scikit-Learn ✅ Cloud Platforms: AWS SageMaker, Google AI Platform, Azure ML ✅ MLOps & Deployment: Docker, Kubernetes, CI/CD for ML models ✅ Industry Experience: E-commerce, SaaS, Finance, Real Estate, Healthcare 🚀 Why Work with Me? 🚀 I’m not just about the technology – I’m about results. My approach is centered on understanding your business objectives and delivering AI solutions that offer measurable outcomes. From consulting and proof-of-concept to full-scale deployment, I ensure seamless integration, strong ROI, and ongoing support. 🚀 Let's Connect and Innovate Together! 🚀 Are you ready to leverage AI to transform your business? I’m here to help! Whether you need strategic guidance on AI adoption, expert implementation of machine learning models, or insights into optimizing workflows with AI, let’s discuss how we can create impactful solutions together. 💬 Let’s start a conversation. Reach out today to explore the future of AI in your business!
    Featured Skill Android App Development
    .NET Core
    Flutter
    Agile Project Management
    iOS Development
    React Native
    Branding & Marketing
    Information Technology
    WordPress Development
    Microsoft SharePoint Development
    AI Audio Generator
    Blockchain Development
    AI Chatbot
    AI Model Development
    DevOps
    Python
    .NET Framework
    Node.js
    React
    AI Bot
    AI Model Integration
  • $45 hourly
    • 5.0/5
    • (10 jobs)
    Hello! I'm Shitiz, a dedicated and passionate React Native developer specializing in cross-platform mobile app development. 👑Skills and Expertise: ✔️ReactJS ✔️React Native ✔️Expo ✔️Zustand,Redux,Context ✔️Fetch API, ✔️SWR ✔️Sentry ✔️Node JS ✔️Firebase ✔️Firebase functions,firestore,realtimedb ✔️Express ✔️In app Purchases ✔️In app Subscriptions + Restore Subscriptions ✔️Reanimated animations ✔️Skia, Moti ✔️ AI, ChatGPT 👑Design Related : ✔️Figma ✔️Adobe XD ✔️ UI Designer ✔️ UX Expert ✔️ Prototyping and Wireframes 👑Why Hire me? ✔️Fluent Communication ✔️Professional UI UX Designer ✔️Early Delivery before deadline ✔️ Fast and Efficient 👑Fields Worked in ✔️ BAH ✔️ MVP Apps ✔️ Health & Fitness ✔️ AI Image Generation ✔️ Chat GPT Based Apps 👑Let's Work Together: If you are looking for a dedicated and skilled React Native developer to bring your ideas to life or enhance your existing projects. Thanks!
    Featured Skill Android App Development
    Front-End Development
    Native Fluency
    iOS Development
    React
    Mobile App Development
    TypeScript
    React Native
    JavaScript
    Native App Development
  • $35 hourly
    • 5.0/5
    • (11 jobs)
    Thanks for looking through my profile, I am Priya, having bachelor degree Computer Science & Engineering. More than 10 years of experience in Java/J2EE development and i am expert in Spring Boot, REST API, micro services and event driven programming. Worked for TCS, Capgemini and Hilti. I have experience on various cloud platform like AWS, Google Cloud Platform, Azure, also worked on TCP/UDP, Java NIO socket, WebSocket programming heavily so well aware of reading and writing data from socket client, concurrency and multi-threading. Vast experience in SDK development for wrapping the REST API, gRPC, or TCP/UDP based services. Currently I am working as Backend Engineer for developing Micro services using Spring Boot & AxonIQ, AWS MQTT. Good in Agile methodology, working with remote teams, Sprint planning and participating in daily Scrum call, Key Skills: Java, J2EE, Spring Boot, Spring MVC, REST API, Thymeleaf, JSF(Primefaces), Hibernate, JPA, Struts, EJB, Vaadin, JMS, Apache Kafka, RabbitMQ, MongoDB, Google Datastore, MySQL, PostgreSQL, Oracle 10g, MSSQL, AWS RDS, DynamoDB, Angular JS, Angular, JavaFx, Java NIO, Web Services(SOAP,REST, gRPC), XML, WSDL, Swagger, OpenApi, Google App engine, Amazon Web services, Unit Test, Maven, Docker, Kubernetes, CI/CD . Did some front-end development using Thymeleaf, JSP, Angular, JQuery, Javascript, HTML, CSS Database- Oracle, MySQL/MariaDB, PostgreSQL, H2, Derby, Microsoft SQL Server, MongoDB, GraphDB, . Intermediate skills in GoLang, Python, Kotlin, C++, Salesforce Apex, SAP HANA DB, Google Big Query , full-text search using elastic search. Excellent in cloud tech like Google app engine, gRPC, AWS Lambda, API Gateway, S3, EC2, ECS, ECR, RDS, Cloud-watch and integrating/migrating legacy system. I am not limited to these skills, I worked on various tech-stack as independent developer and open to learn any new tech-stack.
    Featured Skill Android App Development
    Heroku
    JavaFX
    Google Cloud Platform
    J2EE
    API Development
    RESTful API
    MongoDB
    Docker
    PostgreSQL
    MySQL
    Amazon Web Services
    Java
    Spring Boot
    Microservice
  • $35 hourly
    • 5.0/5
    • (3 jobs)
    As a highly skilled and experienced Senior Flutter Developer with 12+ Years of experience, I specialize in building high-quality, cross-platform mobile applications for Android and iOS using Flutter and Dart. With over X years in the mobile development industry, I bring deep expertise in mobile architecture, state management, and UI/UX design, delivering apps that are fast, scalable, and user-centric. I leverage Flutter’s capabilities to deliver native-like performance, combining speed, reliability, and beautiful interfaces. I’ve successfully led and contributed to numerous projects involving: Complex business logic Real-time data synchronization Third-party API integration Firebase (Firestore, Auth, Push Notifications) 🔧 What I Do Best: Full-cycle Flutter app development – from idea to deployment (Google Play & Apple App Store) State management: Bloc, Riverpod, Provider Dart programming with REST API & Firebase integration UI/UX implementation from Figma with pixel-perfect accuracy CI/CD pipelines using GitHub Actions, Fastlane Unit and widget testing for reliable performance Performance tuning: app size, lazy loading, code splitting 🛠️ Core Skills: Flutter (iOS/Android) Dart Firebase (Firestore, Authentication, Messaging) REST API Integration State Management (Provider, Bloc, Riverpod) Mobile App Architecture & Design Patterns App Deployment (Play Store, App Store) CI/CD, Git/GitHub, Fastlane UX/UI Implementation Agile & Scrum Workflow 💡 Why Choose Me? Proven track record of successful Flutter app launches Clean, maintainable, and scalable codebase Strong leadership, communication, and project ownership Transparent collaboration with regular progress updates Committed to deadlines and product excellence Let’s work together to bring your app idea to life with robust, high-performing Flutter solutions. Send me a message to discuss your project!
    Featured Skill Android App Development
    Figma
    CI/CD
    REST API
    Android App
    iOS
    Mobile App Development Consultation
    App Development
    Dart
    Firebase
    Mobile App Development
    iOS Development
    Flutter Stack
    FlutterFlow
    Flutter
  • $50 hourly
    • 4.9/5
    • (107 jobs)
    Transform Your Business Ideas into Powerful Software Solutions Microsoft-certified .NET and Android application development expert with 18+ years building custom applications that drive real business results. I've delivered enterprise-grade solutions for Microsoft and tech giants, bringing that same quality to businesses of all sizes. Why clients choose me: • Turn complex business challenges into elegant, user-friendly software • Deliver on time and on budget—no surprises or hidden costs • Full technical ownership from concept to deployment and beyond • Clear communication throughout the entire development process Technical expertise: Full-stack .NET, SQL Server/Azure, Android/Flutter mobile apps, and seamless payment integrations (PayPal, Authorize.net). Looking for a reliable developer who understands both technology AND business? Let's discuss how I can help you achieve your goals with custom software that your team will actually want to use.
    Featured Skill Android App Development
    Native App Development
    Flutter
    nopCommerce
    Microsoft SharePoint Development
    Web Development
    ASP.NET Core
    ASP.NET Web API
    Microsoft SQL Server
    C#
    SQL
    Windows Communication Foundation
    ASP.NET MVC
    .NET Framework
    jQuery
  • $35 hourly
    • 4.9/5
    • (72 jobs)
    ✅ Top Rated Freelancer ✅ Fluent English ✅ 5 Star Ratings and Reviews ✅ AI Expert with AI Automation and AI Integration ✅ 14+ Years of Experience in Android and iOS App Development. ✅ Catalyzing Business Growth Through AI-Powered Innovation & Strategic Digitalization In today's rapidly evolving global landscape, businesses face immense pressure to innovate, optimize, and differentiate. As a Top-Rated freelancer with 14+ years of proven expertise on Upwork, I specialize in bridging the gap between complex technological capabilities and tangible business outcomes. I am dedicated to helping you harness the transformative power of Artificial Intelligence and comprehensive digital transformation strategies to achieve unprecedented efficiency, enhance customer experiences, and secure a lasting competitive advantage. I empower forward-thinking companies to thrive in the digital age by expertly designing, developing, and deploying intelligent mobile and enterprise systems. My core mission is to leverage advanced AI, Machine Learning, and cutting-edge data science methodologies to solve your most pressing business challenges, automate complex processes, and unlock new revenue streams. From strategic conception to robust deployment, I guide your digital journey every step of the way. My Strategic Service Offerings Include: • AI-Powered Digital Product Development: I lead the entire lifecycle of intelligent applications. This includes in-depth feasibility studies, AI model selection and training, designing data pipelines for optimal performance, and integrating AI functionalities into your existing systems or new product lines. Whether it's Generative AI for content automation, predictive analytics for smarter decision-making, or computer vision for enhanced operational intelligence, I architect solutions that deliver measurable impact. • End-to-End Digital Transformation & Modernization: Beyond individual applications, I orchestrate holistic digital ecosystems. This encompasses legacy system modernization, strategic cloud migration (AWS, Azure), comprehensive process automation, and the integration of new digital tools to create a unified, efficient, and future-proof operational framework that scales with your ambition. • Intelligent Mobile & Web Solutions with AI Enhancement: I craft high-performance, AI-enhanced applications across all major platforms. This includes native iOS (Swift, Objective C) and Android (Kotlin, Java) development, alongside robust cross-platform solutions (Flutter & React Native). For the web, I deliver powerful Laravel applications, flexible WordPress platforms, and optimized Shopify e-commerce experiences, all embedded with smart functionalities like intelligent search, personalized recommendations, or AI-driven customer support, ensuring maximum user engagement and business efficiency. • Strategic Advisory & Agile Project Leadership: My role extends beyond technical execution; I act as a strategic advisor, helping you define clear technology roadmaps, prioritize initiatives for maximum ROI, and navigate the complexities of digital adoption. I employ agile methodologies to ensure flexible development cycles, transparent progress tracking, and on-time, on-budget delivery of even the most intricate AI and digitalization projects. My meticulous project management ensures every detail is handled, allowing you to focus on your core business. My Comprehensive Full-Stack Technical Foundation (Enabling Intelligent Systems): My deep command of modern development frameworks, cloud architectures, and data solutions provides the robust bedrock for all intelligent system deployments: • Programming & AI Integration: Swift, Kotlin, Java, React Native, Objective C. Extensive experience integrating and fine-tuning leading AI/ML libraries and APIs (e.g., TensorFlow, PyTorch, Google AI Platform, AWS SageMaker) to embed intelligence directly into your products. • Cloud & Database Solutions: Designing and managing scalable data infrastructures on AWS and Azure, leveraging services like Lambda, EC2, Azure Functions, and IoT Hub. Expertise spans diverse databases including Firebase, MySQL, MongoDB, PostgreSQL, Amazon DynamoDB, and Realm, ensuring optimal data storage and retrieval for AI-driven applications. • Seamless API & Payment Gateway Integrations: Masterful integration of critical third-party APIs from Google (Maps, Analytics, Places), Facebook, Twitter, Twilio, SendGrid, and industry-standard payment gateways like PayPal, Stripe, and RazorPay, enabling rich, interconnected digital services. • DevOps & Collaborative Tools: Commitment to code quality and collaborative efficiency through rigorous use of Git (GitHub, BitBucket, GitLab) for version control and CI/CD pipelines. Intelligent UI/UX Design: A keen eye for UI/UX design (Wireframe, Figma , Adobe Photoshop, Adobe XD), ensuring that intelligent functionalities are presented through intuitive, engaging, and user-centric interface
    Featured Skill Android App Development
    Laravel
    Node.js
    AR & VR
    Python
    WordPress
    Apple Xcode
    API Integration
    NativeScript
    Swift
    Objective-C
    Kotlin
    Java
    PHP
    React Native
  • $35 hourly
    • 4.9/5
    • (249 jobs)
    I'm Thiyagarajan, a full stack developer with over 14 years of experience in creating robust and scalable web and mobile applications. My deep passion for turning innovative ideas into reality through cutting-edge technology is supported by a comprehensive skill set spanning both front-end and back-end development. This allows me to handle projects from responsive UI/UX design to server-side scripting and database management, ensuring complete and effective solutions. I have developed a wide range of websites and dashboards for start-up companies and small businesses. My experience includes creating plugins, extending existing plugins in WordPress, developing back-end dashboards with Laravel, Android app development, and third-party API integration. I am dedicated to building long-term professional relationships with my clients to ensure the success of every project. Clients can trust that their work will be completed on time and to their satisfaction. If you're looking for a reliable and skilled full stack developer, I look forward to collaborating with you to achieve our shared goals. Skills: Front-End Development Technologies: Expertise in HTML5, CSS3, JavaScript, jQuery, Bootstrap, Ajax PHP: Custom PHP Web Development Open Source CMS Development Rapid PHP Application Development Integration of Payment Gateway PHP Web Development Framework Web Services API Integration Portal Development Google Analytics (GA4): Setup or audit of Google Analytics GA4 Custom Event Tracking (Forms, Calls, Clicks, Anything) Recommended events setup Server-side tracking setup UTM parameter implementation Ads conversion tracking with server side (Conversion API): Facebook Pixel & Conversion API Google Ads Enhanced Conversion Tracking Event Match Quality Score Laravel: Laravel Customization Web Application Development Third Party API Integration WordPress: WordPress Plugins Custom Plugin Development Crafting unique plugins to extend WordPress functionality Third-Party API Integration: Google APIs: Google Ads, Maps, Geolocation, Jobs, and Login Facebook API: Ads, Login, and feed management Twilio API: Integration for calls and SMS AWS API & Marketing Tools: SES, Mailchimp, HubSpot, Airtable, Mailgun, and SendGrid ChatGPT APIs: Integrating and utilizing ChatGPT APIs for innovative AI-driven solutions Version Control: Proficient in version control using Git, ensuring collaboration and code integrity
    Featured Skill Android App Development
    Database Design
    Twitter/X Bootstrap
    Landing Page
    PHP Script
    PHP
    CSS
    Web Development
    WordPress Plugin
    WordPress
    HTML5
    Laravel
    Web Application
    API Integration
    RESTful Architecture
  • $150 hourly
    • 4.7/5
    • (151 jobs)
    I'm Elasticsearch consultant with 20 years of experience in designing, optimizing, and scaling search solutions. I help businesses harness the full power of Elasticsearch for lightning-fast search, data analysis, and real-time indexing. Most of my work connected to data streaming, tuning, optimizing Elasticsearch and Kafka.
    Featured Skill Android App Development
    Google Chrome Extension
    iOS Development
    Amazon Web Services
    Node.js
    React
    Vue.js
    JavaScript
    Laravel
    Ruby on Rails
  • $40 hourly
    • 4.7/5
    • (205 jobs)
    I am a professional programmer with 10 yrs of experience with expertise in OTT, Mobile, and web application development. In there 10 years of my journey with development, I have worked with many well-known tech giant companies to provide solutions to them. I have very good with the below skills : OTT Application development: - Roku (BrightScript / SceneGraph) - Apple TV(Swift & TVML) - Amazon Fire & Android TV - Samsung TV (Tizen) - LG TV (Web Os) Mobile Application development: - Android - ios - React Native - Flutter I have worked on many projects related to IPTV solution that includes Xstream code, Stalker setup, and it is client application development for OTT and Mobile platforms. I believe in client satisfaction. That is why I always to be on time and do my best work to get deliver in deadline. Please do not hesitate me to contact me anytime if you will have any query. I will try to get with you as soon as possible to provide solutions. I can adjust my timing according to the client's timezone and searching for a long-term business relationship.
    Featured Skill Android App Development
    Fire App Development
    BrightScript
    Apple TV Application
    Over-the-Top Media
    Roku Development
    Video Stream
    WordPress
    IPTV
    CodeIgniter
    Android
    Python
    PHP
    iOS Development
    React Native
    tvOS
  • $55 hourly
    • 4.9/5
    • (160 jobs)
    ⭐⭐⭐ "Unni did excellent work! Trustworthy and capable. Great communication" ⭐⭐⭐ ⭐⭐⭐"Am writing this review to express my deep gratitude and appreciation for Unni's remarkable contribution to our project. Unni has demonstrated an exceptional ability in managing a complex integration task, a challenge that had previously stymied the efforts of five other individuals". ⭐⭐⭐ ⭐ I am senior developer specializing in Back-End and Cloud development. 👑 24 years of professional application development experience ✅ 150 ➕ Jobs ✅ 150 ➕ Reviews ✅ 3000 ➕Hours I have worked with ⭐High Profile clients⭐ in my Career which I have listed some of them below: ✅ FirstTennessee (Fortune 500) ✅ Amex (Fortune 500) ✅ EDB Norway ✅ ICICI Bank My core expertise and experience are: ✅ Android Application development ✅ Web development using Java 8, Spring Boot framework, JavaScript, HTML 5 ✅ Back end development with Java 8, Spring Boot frame work ✅ REST API development using Spring Boot ✅ Desktop development using Swing and JavaFX ✅ Micro services with Spring Boot ✅ Experience in Graph algorithms ✅ Bitcoin and Block chain development using Bitcoinj frame work ✅ Eclipse RCP development ✅ Open source application modification and development ✅ ChatGPT ✅ Java - 12+ years ✅ Java 8 - 5 years ✅ JavaScript - 5+ years ✅ Spring Boot - 3 + years ✅ Spring Framework - 3 + years ✅ React ✅ GraphQL ✅ AWS ✅ AWS Lambda ✅ Cloud Development ✅ AWS Amplify ✅ Aws AppSync ✅ DynamoDB ✅ Quarkus framework ✅ Micronaut ✅ CI/CD ✅ Android - 2 + years ✅ Spring Security - 2+ years ✅ WebRTC , WebSocket - 2+ years ✅ Python - 1+ year ✅ Node.js - 1 + year ✅ Play Frame work - 1 year ✅ GIS Development - 1 year I would like to go the extra mile to meet customer expectations for every project I am doing with 100% quality. I am looking for long-term association with clients to get complete benefits and am interested in achieving their business objectives and goals.
    Featured Skill Android App Development
    Apache Kafka
    API Development
    Micronaut
    Spring Security
    Spring Boot
    Core Java
    Apache Maven
    Spring Framework
    GraphQL
    Android
    Python
    Firebase
    Java
    JavaScript
  • $35 hourly
    • 4.9/5
    • (64 jobs)
    💡 Senior Full Stack Developer | React, React Native, Node.js, iOS, Android | AI/ML, Blockchain & DevOps | 12+ Yrs Experience 🧠 Generative AI Integration | LLMs | OpenAI | Gemini | Edge AI | AI Strategy 🚀 Trusted by Startups, Enterprises & Top 3% Clients on Upwork As a Senior Technology Consultant and Solution Architect, I specialize in designing and engineering scalable, secure, and intelligent digital systems across web, mobile, AI, and blockchain domains. With 12+ years of experience, I bring strategic clarity, technical depth, and hands-on development capabilities to every project. Whether you’re launching a high-performance web app, implementing AI-powered automation, or architecting cloud-native platforms, I lead full-stack development initiatives from concept to deployment, with a focus on business alignment, speed-to-market, and long-term scalability. 🔍 𝐖𝐡𝐚𝐭 𝐈 𝐁𝐫𝐢𝐧𝐠 𝐭𝐨 𝐭𝐡𝐞 𝐓𝐚𝐛𝐥𝐞 ✔️ Strategic Architecture Design for enterprise-grade and startup-ready systems ✔️ AI-Enhanced Applications: Gemini, ChatGPT, Vertex AI, LLM integration, custom NLP, and on-device ML ✔️ Cross-Platform Full Stack Engineering: Web, Mobile, APIs, Microservices, DevOps ✔️ Blockchain & Web3 Solutions: Smart contracts, token economies, dApps ✔️ Cloud-Native Consulting: AWS, Azure, CI/CD, containerization, auto-scaling infrastructure ✔️ Team & Technical Leadership: Mentorship, roadmap planning, code audits, agile delivery 🧠 𝐀𝐈-𝐃𝐫𝐢𝐯𝐞𝐧 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 * Generative AI using OpenAI, Gemini, Claude * Chatbot development with GPT or custom LLMs * Computer Vision with TensorFlow Lite, YOLO * AI-based recommendation engines and analytics * Edge AI for mobile & IoT-based inference * NLP, speech-to-text, sentiment analysis, data labeling 💻 𝐅𝐮𝐥𝐥 𝐒𝐭𝐚𝐜𝐤 & 𝐀𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐞 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞 * 𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝: React.js, Next.js, Vue.js, TypeScript, Tailwind * 𝐁𝐚𝐜𝐤𝐞𝐧𝐝: Node.js, Express, Python (FastAPI), Go, Laravel, .NET Core * 𝐌𝐨𝐛𝐢𝐥𝐞: React Native, Flutter, Kotlin, Swift * 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞: PostgreSQL, MongoDB, Redis, Firestore, SQL Server * 𝐃𝐞𝐯𝐎𝐩𝐬: Docker, Kubernetes, Jenkins, CircleCI, GitHub Actions * 𝐂𝐥𝐨𝐮𝐝: AWS (Lambda, S3, API Gateway, Cognito), Azure, GCP * 𝐀𝐏𝐈 𝐃𝐞𝐬𝐢𝐠𝐧: RESTful APIs, GraphQL, Event-driven microservices 🔗 𝐁𝐥𝐨𝐜𝐤𝐜𝐡𝐚𝐢𝐧 & 𝐖𝐞𝐛𝟑 𝐂𝐚𝐩𝐚𝐛𝐢𝐥𝐢𝐭𝐢𝐞𝐬 * Smart contract architecture (Solidity, Vyper) * Wallet integrations (MetaMask, WalletConnect, Trust Wallet) * NFT marketplace development, tokenomics strategy, DeFi protocols * Web3.js, Ethers.js, and integration with leading Layer 1 and Layer 2 chains 🛠 𝐂𝐨𝐧𝐬𝐮𝐥𝐭𝐢𝐧𝐠 & 𝐃𝐞𝐥𝐢𝐯𝐞𝐫𝐲 𝐀𝐩𝐩𝐫𝐨𝐚𝐜𝐡 * Discovery sessions, architecture blueprinting, and MVP scoping * Technical due diligence and feasibility analysis * Agile project management (Scrum, Kanban), sprint planning, team scaling * Scalable and modular codebases, CI/CD pipelines, and QA integration * Code reviews, documentation, and developer onboarding strategy ✅ 𝐖𝐡𝐲 𝐂𝐥𝐢𝐞𝐧𝐭𝐬 𝐂𝐡𝐨𝐨𝐬𝐞 𝐌𝐞 * Among the Top 3% of Upwork talent, with 100% success on high-value projects * A rare blend of business strategy, product thinking, and engineering * Seamless communicator across technical and non-technical stakeholders * Proven track record in delivering future-proof, AI-enabled digital products * Scalable team leadership—solo or with cross-functional engineering pods 📩 Ready to architect your next intelligent solution? Let’s talk about how I can help shape and scale your vision with confidence.
    Featured Skill Android App Development
    Payment Gateway
    DevOps Engineering
    Front-End Development
    DevOps
    Web Development
    Full-Stack Development
    Swift
    Python
    Flutter
    Node.js
    Mobile App Development
    iOS Development
  • $31 hourly
    • 5.0/5
    • (35 jobs)
    🌟 Top-Rated 💯 100% Job Success Score 🔟 10+ Years of Expertise 📱 120+ Mobile Apps & 🌐 Websites 🏆 Product Success Partner 💼 Elite Mobile App Developer & Digital Marketing Strategist 🚀 Crafting Exceptional Digital Experiences I'm Tanay Shah, your go-to professional for comprehensive digital solutions. With a rich background of over a decade in mobile app development and a strategic edge in digital marketing, I excel in transforming ideas into digital realities and elevating online presences. My skill set encompasses iOS, Android, React Native, and Full Stack development using the MERN stack, alongside profound expertise in Figma for design. Additionally, I offer a full spectrum of digital marketing services, including Paid Ads Campaigns, SEO, Social Media Marketing, and Email Drips, to ensure your project achieves holistic success. Why Partner with Me? 🏆 Dual Mastery in Development and Marketing: I provide an integrated approach to digital projects, blending technical development skills with advanced digital marketing strategies. This ensures not only the creation of stellar apps but also their success in the competitive digital marketplace. 🔨 Comprehensive Service Offerings: From conceptualization to launch and beyond, I offer: 1. Mobile App Development: Utilizing iOS, Android, and React Native for seamless, cross-platform functionality. 2. Full Stack Development: Leveraging the MERN stack for robust backend and sleek frontend solutions. 3. UI/UX Design: Creating visually stunning and user-friendly designs with Figma. 4. Digital Marketing: Crafting and executing customized marketing strategies to enhance your digital footprint and engagement. 5. Strategic Digital Marketing: My marketing services are designed to complement the development process, ensuring your app not only launches successfully but continues to grow and engage users through: - Targeted Paid Ads Campaigns: To reach and engage your ideal audience efficiently. - SEO Techniques: To improve visibility and drive organic growth. - Social Media Strategies: To build community and brand loyalty. - Email Marketing: To nurture leads and convert them into active users and customers. 🌐 Global Communication Skills: Fluent in English enabling effective collaboration with a diverse client base. 🖥️ Embark on your Digital Journey with Me! Whether you're looking to develop a groundbreaking app or amplify your digital presence, I'm here to lead the way. My dedication to your project's success is matched only by my passion for innovation and excellence. Click the "Hire Now" button, and let's turn your vision into a digital masterpiece that stands out and succeeds in today's fast-paced world. Here's to pioneering digital solutions that resonate and redefine success. 🚀 Eager to collaborate, Tanay Shah
    Featured Skill Android App Development
    Startup Consulting
    Product Management
    UX & UI
    Figma
    Stripe
    iPad App Development
    Mobile App Development
    iOS Development
    React Native
    Kotlin
    React
    Swift
    Node.js
  • $35 hourly
    • 4.9/5
    • (92 jobs)
    🏆 𝗧𝗼𝗽 𝗥𝗮𝘁𝗲𝗱 𝘄𝗶𝘁𝗵 𝟭𝟱+ 𝘆𝗲𝗮𝗿𝘀 𝗼𝗳 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 𝗮𝗻𝗱 𝟮𝟱𝟬𝟬+ 𝗨𝗽𝘄𝗼𝗿𝗸 𝘄𝗼𝗿𝗸𝗶𝗻𝗴 𝗵𝗼𝘂𝗿𝘀 💻 𝗡𝗲𝘅𝘁.𝗷𝘀, 𝗥𝗲𝗮𝗰𝘁.𝗷𝘀, 𝗡𝗼𝗱𝗲.𝗷𝘀, 𝗩𝘂𝗲.𝗷𝘀, 𝗣𝘆𝘁𝗵𝗼𝗻, 𝗧𝘆𝗽𝗲𝘀𝗰𝗿𝗶𝗽𝘁, 𝗢𝗽𝗲𝗻𝗔𝗜, 𝗥𝗔𝗚, 𝗟𝗟𝗠, 𝗟𝗮𝗻𝗴𝗖𝗵𝗮𝗶𝗻 🤖 [𝗧𝗼𝗼𝗹] 𝗻𝟴𝗻, 𝗠𝗮𝗸𝗲, 𝗣𝗼𝘄𝗲𝗿 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗲, 𝗭𝗮𝗽𝗶𝗲𝗿, 𝗖𝗹𝗶𝗰𝗸𝗨𝗽, 𝗦𝗹𝗮𝗰𝗸, 𝗔𝗽𝗶𝗳𝘆.𝗰𝗼𝗺, 𝗲𝘁𝗰. 🚀 𝗦𝗮𝗮𝗦, 𝗥𝗮𝗽𝗶𝗱 𝗣𝗿𝗼𝘁𝗼𝘁𝘆𝗽𝗶𝗻𝗴, 𝗠𝗩𝗣, 𝗔𝗜 𝗖𝗵𝗮𝘁𝗯𝗼𝘁 & 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁, 𝗠𝘂𝗹𝘁𝗶 𝗔𝗜 𝗔𝗴𝗲𝗻𝘁𝘀 I am a CTO/Senior Software Engineer with expertise in building robust, scalable, and efficient software solutions. With extensive experience in Laravel, MERN/MEVN Stack, Python, OpenAI GPT-4, Claude, Zapier, Make.com, Airtable, DeepSeek integrations, and .NET, I specialize in delivering high-quality applications that drive business growth and user satisfaction. Skills & Expertise: - Proficient in Laravel, Node.js, and .NET for creating scalable APIs and server-side logic. - Expertise in React.js, Vue.js, and Angular for building dynamic and responsive user interfaces. - Skilled in implementing AI-powered solutions, leveraging LLMs (GPT-4, Claude), Zapier, Make.com, Airtable, Power automate, RAG-based querying, structured data retrieval, and NLP. - Comprehensive experience with the MERN and MEVN stacks to deliver end-to-end software solutions. - Expertise in Python for web applications, data analysis, and AI-driven systems. What I Bring to the Table: A deep understanding of full-stack development, allowing me to deliver seamless and efficient applications. Expertise in building scalable RESTful APIs and microservices. Strong problem-solving skills and a knack for turning business challenges into technical solutions. Experience with modern cloud platforms like AWS and Azure to ensure reliability and performance. Industries I've Worked With: • Real Estate & Property Management • E-Commerce & Retail • Education & E-Learning • AI & Automation • Healthcare & Hospitality Technical Stack Highlights: Backend: Laravel, Node.js, Express.js, Python, Django, Flask, FastAPI, C# Frontend: React.js, Vue.js, Angular AI Tools: OpenAI API, DeepSeek AI, Claude, Llama, AWS Bedrock, Twilio AI, GPT Models, DALL-E Databases: MySQL, MongoDB, PostgreSQL, DynamoDB Cloud Platforms: AWS, Azure, GCP With a proven track record of delivering innovative and efficient software solutions, I’m passionate about leveraging my skills to help businesses achieve their goals. Let’s connect to discuss how I can bring value to your next project!
    Featured Skill Android App Development
    AI Chatbot
    OpenAI API
    Automation
    Vue.js
    Python
    Flutter
    iOS Development
    Amazon Web Services
    Node.js
    React
    ASP.NET MVC
    C#
    Laravel
    PHP
  • $32 hourly
    • 4.9/5
    • (31 jobs)
    🔥 Senior Android Developer | Kotlin & Java Expert | Flutter & NDK Specialist 🔥 As a Senior Android Developer with 11+ years of experience, I specialize in building high-performance, scalable, and user-friendly mobile applications. With 100+ successful projects, I have helped businesses develop, optimize, and maintain their mobile solutions. 📌 𝗖𝗼𝗿𝗲 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲: ✅ Android Development (Kotlin, Java) – Deep expertise in Android SDK, MVVM, Clean Architecture, Jetpack Compose, and dependency injection (Dagger/Koin). ✅ Mobile App Optimization – Reducing memory usage, optimizing UI rendering, and improving overall app performance & battery efficiency. ✅ Background Services & Push Notifications – Sticky background services, WorkManager, Firebase Cloud Messaging (FCM), and OneSignal integrations. ✅ Camera & Image Processing – Advanced Camera2 API, CameraX, OpenCV, Google ML Kit for AI-powered image recognition and editing. ✅ Cross-Platform Development (Flutter) – 3+ years of experience building cross-platform apps with Bloc & GetX state management. ✅ Cloud Integration (AWS & Firebase) – Hands-on experience with AWS Amplify, AppSync (GraphQL), Cognito, Firebase Realtime DB, Firestore, and Cloud Functions. ✅ API & Backend Integration – Proficient in RESTful APIs, GraphQL, and backend communication using Retrofit and WebSockets. ✅ Security & Data Encryption – Implementing AES-256 encryption, secure authentication (OAuth, JWT), and biometric authentication. ✅ Automated Testing & CI/CD – Expertise in JUnit, Espresso, GitHub Actions, and Bitrise for efficient development workflows. 🔥 𝗧𝗲𝗰𝗵 𝗦𝘁𝗮𝗰𝗸 & 𝗧𝗼𝗼𝗹𝘀 🔹 Programming Languages: Kotlin, Java, Dart, C++ (NDK), Python (for AWS Lambda & ML tasks). 🔹 Frameworks: Jetpack Compose, Retrofit, Dagger 2, Koin, Room, WorkManager. 🔹 Cloud & Backend: Firebase (Cloud Functions, Firestore, Realtime DB, Authentication), AWS (Amplify, Cognito, AppSync). 🔹 Libraries & APIs: OpenCV, ML Kit, Google Maps, MapBox, TensorFlow Lite. 🔹 CI/CD & DevOps: GitHub Actions, Jenkins, Bitrise, Fastlane, JIRA. 🔹 Version Control: Git, Bitbucket, GitHub, GitLab. 📌 Why Work With Me? ✅ Reliable & Committed – 11 years of experience delivering high-quality apps on time & within budget. ✅ End-to-End Development – From UI/UX design to app publishing on Google Play & Apple App Store. ✅ Scalable & Maintainable Code – Writing modular, optimized & maintainable code for long-term app success. ✅ Cross-Functional Collaboration – Seamless coordination with designers, backend engineers, and QA teams. ✅ US Time Zone Availability – Currently working with US-based clients and available 40+ hours per week. 📌 𝗛𝗼𝘄 𝗜 𝗖𝗮𝗻 𝗛𝗲𝗹𝗽 𝗬𝗼𝘂? 🔹 Develop Android Native & Flutter Apps from scratch. 🔹 Optimize existing apps for better performance & memory management. 🔹 Debug & fix complex issues in mobile applications. 🔹 Implement subscriptions, in-app purchases & monetization strategies. 🔹 Integrate Google Maps, push notifications, and advanced camera features. Let's discuss how I can bring value to your project and build an exceptional mobile experience. Looking forward to collaborating with you! 🚀
    Featured Skill Android App Development
    Product Management
    Web Design
    Core Java
    Web Service
    OpenCV
    Android SDK
    Firebase Realtime Database
    Flutter
    Firebase
    SQLite
    iOS Development
    Android
    Firebase Cloud Firestore
    Kotlin
  • $35 hourly
    • 5.0/5
    • (38 jobs)
    Hello 👋! I am a Full Stack Developer who can handle all aspects of web development and mobile app development with ios and android native platforms on a different range of Applications including Health, E-commerce, Travel, Social, Trading, Widgets, Watch, Utility and more. I understand the importance of creating highly readable and easily maintainable source code. I did many projects with excellent results. I believe in delivering the best possible solution to give you a state-of-the-art app experience to beat your competitors. 🌟 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 𝗦𝗸𝗶𝗹𝗹𝘀 📱 🖥 🔥 Mobile: iOS (Swift, Objective C), Android (Kotlin, Java), Hybrid (React Native, Flutter) 🔥 Web: React.js, Node.js, TypeScript, PHP, Laravel 🔥 Databases: MySQL, SQLite, MongoDB, Firebase 🔥 Google & Amazon Cloud 🔥 UI/UX tools - Figma, Adobe Photoshop 🌟 𝗦𝗲𝗿𝘃𝗲𝗿𝗹𝗲𝘀𝘀 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 𝗦𝗸𝗶𝗹𝗹𝘀 💻 📱 ✔ Firebase:- Authentication, Database, Firestore DataBase, Ad-Mob, FCM, Cloud Messaging, Crashlytics, Analytics. ✔ AWS (Amazon Web Services):- EC2 Instance, Cognito, S3, SNS, Lambda, DynamoDB, API Console, Cloud Formation. 🌟 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 𝗶𝗻 𝗣𝗿𝗼𝗷𝗲𝗰𝘁 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁 𝗧𝗼𝗼𝗹𝘀 🛠 🔨 ✔ Repositories:- Github, GitLab, BitBucket, AWS CodeCommit ✔ Version Control System:- GitLab, GitHub ✔ CI/CD Pipelines: Setting up smooth Continuous Integration/Delivery workflows for rapid deployment. 🛒𝗲𝗖𝗼𝗺𝗺𝗲𝗿𝗰𝗲 𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻 💻 📱 🔥 Online store with delivery services for Fashion, Beauty, FMCG Industry 🔥 Scheduled booking service with delivery options for Tours-Travel, Bakery and Floristry business 🔥 B2B and B2C service app with inventory management solution 🔥 B2B auction platform for businesses and individuals 🔑 𝗦𝗽𝗲𝗰𝗶𝗮𝗹𝗶𝘇𝗲𝗱 𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀 📱💻 🔥 Scanning Feature: QR & Barcode Scanners 🔥 Notification: Scheduled Local & Push Notifications 🔥 AI Integrations: OpenAI, Text-to-speech & Speech-to-text 🔥 Payment Integration: Implementing secure payment systems using Stripe, PayPal, and subscription services Integrations. 🔥 Location-Based Services: Proficient in Google Maps API, real-time tracking, and geolocation features. I'm looking forward to knowing more about your app idea to bring it to life! 🚀 Want to discuss your project? I'm happy to jump on a call to discuss things further! Thanks! 🤝𝗧𝗲𝘀𝘁𝗶𝗺𝗼𝗻𝗶𝗮𝗹𝘀🤝 ⭐ "Nik is very good at what he does. I worked with him for 2+ years and it was a very good experience. He is competent and adaptable to the dynamic needs of a growing business. It's hard to find honest contract help. With Nik you don't have to worry." ⭐ "An amazing talent and always on hand to help me with new JavaScript projects. Thank you :)" ⭐ "Nikhilesh is one of the best developers i have ever worked with, he takes responsibility for issues which arise and takes the initiative to go above and beyond any requirement. Will be using him again" ⭐ "An excellent job, completed successfully and quickly. Thanks!" ⭐ "Nikhilesh did a great job and I wholeheartedly recommend him." ⭐ "Nikhilesh worked well, adjusting to the project as the parameters changed. Very responsive to feedback and very adept at implementing those changes. Would certainly recommend his services." ⭐ "Freelancer stuck to his commitment and worked to adjust aspects of the project to reach completion. Would definitely recommend :)"
    Featured Skill Android App Development
    Digital Marketing Strategy
    POS Terminal Development
    Web Design
    Search Engine Optimization
    Digital Marketing
    Business with 10-99 Employees
    iOS Development
    API Integration
    React Native
    Swift
    Objective-C
    Kotlin
    Java
    Native App Development
  • $35 hourly
    • 4.9/5
    • (46 jobs)
    𝗧𝘄𝗼-𝗦𝗲𝗰𝗼𝗻𝗱 𝗩𝗲𝗿𝘀𝗶𝗼𝗻: ⭐ 𝗧𝗼𝗽 𝗥𝗮𝘁𝗲𝗱 Full-Stack Mobile App Developer with 10+ years of experience in 📱 i𝗢𝗦 (Swift, SwiftUI, UIKit, RxSwift), 🦋 𝗙𝗹𝘂𝘁𝘁𝗲𝗿, and backend development with 🖥️ 𝗡𝗼𝗱𝗲.𝗷𝘀/𝗘𝘅𝗽𝗿𝗲𝘀𝘀.𝗷𝘀. 🚀 I’ve helped 𝗦𝘁𝗮𝗿𝘁𝘂𝗽𝘀 in 🏥 𝗛𝗲𝗮𝗹𝘁𝗵𝗰𝗮𝗿𝗲, ✈️ 𝗧𝗿𝗮𝘃𝗲𝗹, 🧘 𝗪𝗲𝗹𝗹𝗻𝗲𝘀𝘀, and 👥 𝗦𝗼𝗰𝗶𝗮𝗹 𝗡𝗲𝘁𝘄𝗼𝗿𝗸𝗶𝗻𝗴 reach 🌍 500,000+ users globally, delivering ⚡ high-quality and scalable applications. 𝗗𝗲𝘁𝗮𝗶𝗹𝗲𝗱 𝗩𝗲𝗿𝘀𝗶𝗼𝗻: Hi, I’m 𝗞𝘀𝗵𝗶𝘁𝗶𝗷 𝗚𝗮𝘂𝘁𝗮𝗺 (KG), a 𝗧𝗼𝗽 𝗥𝗮𝘁𝗲𝗱 Full-Stack Mobile App Developer with 10+ years of experience building scalable, high-performance mobile and web applications. My expertise lies in: ✅ 𝗠𝗼𝗯𝗶𝗹𝗲 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁: iOS (Swift, SwiftUI, UIKit, RxSwift), Flutter (cross-platform) ✅ 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 & 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲: Node.js/Express.js, MongoDB, Firebase ✅ 𝗖𝗹𝗼𝘂𝗱 & 𝗔𝗣𝗜𝘀: AWS, RESTful APIs, GraphQL ✅ 𝗨𝗜/𝗨𝗫 𝗗𝗲𝘀𝗶𝗴𝗻: Modern, intuitive, and responsive interfaces ✅ 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀: Payments (Stripe, PayPal, Apple Pay), Geolocation, Maps ＃＃ 𝗪𝗛𝗔𝗧　𝗖𝗟𝗜𝗘𝗡𝗧𝗦　𝗦𝗔𝗬 💬 “Kshitij was an incredible partner! His technical expertise and communication made all the difference.” 💬 “KG has been our sole iOS developer for 1.5 years. Consistently reliable, hardworking, and a true professional.” 💬 “Kshitij turned my app 'Rememberist' from sketches into reality. His attention to detail was excellent.” ＃＃ 𝗠𝗬　𝗘𝗫𝗣𝗘𝗥𝗧𝗜𝗦𝗘 🚀 𝙁𝙪𝙡𝙡-𝙎𝙩𝙖𝙘𝙠 𝙈𝙤𝙗𝙞𝙡𝙚 𝘿𝙚𝙫𝙚𝙡𝙤𝙥𝙢𝙚𝙣𝙩 – Native iOS (Swift, SwiftUI, UIKit, RxSwift), Flutter for cross-platform apps. 🏗 𝙎𝙘𝙖𝙡𝙖𝙗𝙡𝙚 𝘼𝙧𝙘𝙝𝙞𝙩𝙚𝙘𝙩𝙪𝙧𝙚𝙨 – Experience with MVVM and Clean Architecture for maintainable apps. 🌍 𝙀𝙣𝙙-𝙩𝙤-𝙀𝙣𝙙 𝘿𝙚𝙫𝙚𝙡𝙤𝙥𝙢𝙚𝙣𝙩 – From ideation to deployment, covering UI/UX, backend, and cloud services. 🎨 𝙀𝙣𝙜𝙖𝙜𝙞𝙣𝙜 𝙐𝙄/𝙐𝙓 – High-quality design ensuring seamless user experience. ＃＃ 𝗪𝗛𝗬　𝗪𝗢𝗥𝗞　𝗪𝗜𝗧𝗛　𝗠𝗘？ 🏆 𝙏𝙤𝙥 3% 𝙐𝙥𝙬𝙤𝙧𝙠 𝘿𝙚𝙫𝙚𝙡𝙤𝙥𝙚𝙧 – 5+ years as a Top Rated freelancer. 🔧 𝙏𝙚𝙘𝙝𝙣𝙞𝙘𝙖𝙡 𝙈𝙖𝙨𝙩𝙚𝙧𝙮 – Full-stack expertise covering all development needs. 📈 𝙎𝙘𝙖𝙡𝙖𝙗𝙡𝙚 𝘾𝙤𝙙𝙚 – I ensure that your app is future-proof and maintainable. 💡 𝘾𝙡𝙞𝙚𝙣𝙩-𝙁𝙤𝙘𝙪𝙨𝙚𝙙 – Clear communication, fast delivery, and business-oriented solutions. 🌎 𝙂𝙡𝙤𝙗𝙖𝙡 𝙀𝙭𝙥𝙚𝙧𝙞𝙚𝙣𝙘𝙚 – Worked with startups & enterprises worldwide. 📩 Let’s bring your app idea to life! Contact me today to get started.
    Featured Skill Android App Development
    JSON
    Database Programming
    Web Service
    RESTful Architecture
    User Interface Design
    iOS Development
    Mobile App Development
    GraphQL
    ExpressJS
    MongoDB
    Node.js
    Flutter
    SwiftUI
    Swift
  • $33 hourly
    • 4.9/5
    • (38 jobs)
    🏆 Top Rated : Mobile App Developer | Full-Stack Developer 🏆 with 9 years of experience 🏆 Experienced with more than fortune 30+ Clients . 𝗛𝗲𝗿𝗲 𝗮𝗿𝗲 𝗳𝗲𝘄 𝗡𝘂𝗺𝗯𝗲𝗿𝘀 : - Total Projects: 30+ - No. of clients worked with 30+ - No of Individuals Business projects: 3+ - No of Small Business projects: 15+ - No of Large/Mid Business projects: 10+ . 𝗦𝗸𝗶𝗹𝗹𝘀 & 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 : 𝗔𝗜 & 𝗠𝗟 : Natural Language Processing (NLP), VSC, Machine Learning (ML), PA, Neural Networks, OpenAI and similar technologies, PyTorch, TensorFlow Generative AI, Custom AI solutions, LLM, AI driven development, AI-powered applications, Deep Learning, Computer Vision, AI algorithms . 𝗔𝗜 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻: ChatGPT, image recognition, data-driven insights 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁: Flutter - Dart , React Native , (Swift for native iOS projects and Kotlin and Java for Android) 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 & 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲𝘀: Firebase, MySQL, RESTful APIs 𝗣𝗮𝘆𝗺𝗲𝗻𝘁 𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻𝘀: Stripe, PayPal, RevenueCat, In-App Purchases 𝗖𝗹𝗼𝘂𝗱 𝗦𝗲𝗿𝘃𝗶𝗰𝗲𝘀: Google Cloud, AWS , Firebase , Supabase is an open source Firebase alternative. 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝗶𝗻𝗴 𝗦𝗽𝗲𝗰𝗶𝗮𝗹𝗶𝘁𝘆 : - Collaborate with Product Managers , Designers , Cross functions Developers team and Clients. - Designing and Developing product architecture from scratch . - Following Agile and Scrum Methodologies. - Using Design Principles and Design Patterns . 𝗙𝗔𝗩𝗢𝗥𝗜𝗧𝗘 𝗖𝗟𝗜𝗘𝗡𝗧 𝗤𝗨𝗢𝗧𝗘𝗦: "Thank you, Pankaj, for working with us. Communication with Pankaj has been prompt and he is really supportive whenever we need his services. We hope to work together again!" "We have been working with Pankaj for more than 1.5 years and have only good things to share. Pankaj's expertise, ability to complete work on time and the support provided (hypercare or otherwise) is top notch. " If you have read this far, please note I appreciate you taking the time to learn about me. Personally, it’s been an amazing journey and knowledge exercise to get to this level of competence in AI and Mobile App development. Thank you for taking the time to look over my profile and let’s build something great together!
    Featured Skill Android App Development
    Mapbox
    AI Mobile App Development
    FlutterFlow
    API Integration
    Android
    iOS
    Deep Learning
    iOS Development
    Machine Learning Model
    Firebase
    Mobile App Development
    App Development
    Swift
    Flutter
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