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Hire the best Mobile App Developers in London, ENG

Check out Mobile App Developers in London, ENG with the skills you need for your next job.
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  • $35 hourly
    • 4.7/5
    • (49 jobs)
    With over Eight (8) years of experience as a Full Stack Software Engineer, I thrive on challenges and actively seek projects that push me beyond my current comfort zone, fostering continuous learning and growth. My diverse skill set contributes to the success of organisations, covering the entire life cycle of development. Frontend Technologies and Frameworks: React.js, Next.js, Vue, Nuxt, Javascript, Typescript, Apollo, HTML5, CSS3, Bootstrap, Tailwind CSS, LESS/SASS Material UI, Ant Design Backend Technologies and Frameworks: Node.js, Nestjs, GraphQL, Python Mobile Development: React Native Databases: MongoDB, PostgreSQL, MySQL, Firebase Other Skills: Web scrapping, Web Crawling, Web Automation, Data Extraction, Database Engineering, Product Design and Development; API Development , security and integration. I am eager to discuss how my extensive skills and experience align with the needs of your ongoing projects. I am confident in my ability to make significant contributions. Looking forward to the opportunity! Cheers!
    Featured Skill Mobile App Development
    React Native
    Automated Workflow
    NestJS
    Node.js
    Next.js
    React
    TypeScript
    JavaScript
    API Integration
    API Development
    Mobile App Design
    Software Architecture & Design
    Software Development
  • $50 hourly
    • 5.0/5
    • (9 jobs)
    Hello! I’m a highly skilled and versatile Full Stack Developer and Mobile App Developer with a passion for building dynamic, high-performance web and mobile applications. Whether you're looking to create a cutting-edge web application or a responsive mobile app for both iOS and Android, I’ve got the expertise to turn your ideas into reality. I specialize in ReactJS, NodeJS, PHP, WordPress, and Flutter/React Native to provide complete, end-to-end solutions for both web and mobile platforms. My goal is to ensure that your applications are fast, secure, and scalable, providing seamless user experiences that drive business success. Why Choose Me? I bring a comprehensive set of skills in both web development and mobile app development, which allows me to seamlessly manage projects that span both domains. From designing the frontend and crafting the backend to deploying mobile apps across multiple platforms, I can handle the full development lifecycle for your projects. Whether you're building a React Native mobile app, a robust WordPress site, or a full-fledged Node.js application, I’m here to help you deliver high-quality, secure, and performant solutions. My Skills & Technologies 1. Full Stack Development (Web) ✅ Frontend Development: ReactJS, Next.js, Svelte (Building dynamic and interactive user interfaces for responsive web apps) ✅ Styling Frameworks: Tailwind CSS, Material UI, Ant Design (Crafting sleek, modern, and responsive designs) ✅ Backend Development: Node.js, PHP, Python (Developing powerful and scalable server-side solutions) ✅ Frameworks: Express, Laravel, WordPress (Building feature-rich and secure web applications) ✅ API Development: REST, Postman, Swagger (Creating well-documented, reliable, and scalable APIs) ✅ Database Management: MySQL, PostgreSQL, MongoDB, Redis (Optimizing and managing both relational and NoSQL databases) ✅ Authentication: Passport.js, Auth0, Firebase Authentication, JWT (Implementing secure and scalable authentication systems) ✅ DevOps & CI/CD: Docker, GitHub Actions, GitLab CI/CD (Streamlining deployment pipelines and automating processes) 2. Mobile App Development (React Native & Flutter) ✅ Cross-Platform Frameworks: React Native, Flutter (Building high-performance mobile apps with a single codebase for both iOS and Android) ✅ Native iOS Development: Swift, Objective-C (Creating custom, high-performance iOS applications) ✅ Native Android Development: Java, Kotlin (Developing native Android apps with optimal performance) ✅ UI/UX Design: Material Design, Apple Human Interface Guidelines (Designing intuitive, visually appealing user interfaces) ✅ State Management: Redux, MobX, Provider (Managing app state across mobile applications) ✅ Navigation: React Navigation, Flutter Navigator (Building seamless and easy-to-use navigation experiences) ✅ Testing & Debugging: Jest, Detox, Flutter Test (Ensuring quality and performance with thorough testing) ✅ App Store/Play Store Deployment: (Publishing mobile apps to Apple App Store and Google Play Store) 3. Backend & API Integration (for Mobile Apps) ✅ API Integration: RESTful APIs, GraphQL (Connecting mobile apps to backend services seamlessly) ✅ Backend Technologies: Node.js, Firebase (Building serverless backends to support mobile apps) ✅ Database Management: Firebase Firestore, SQLite, Realm (Managing mobile app data securely with cloud-based and local storage) Why I’m the Right Developer for Your Project? Whether you need a modern, responsive web application, a cross-platform mobile app, or both, I offer comprehensive solutions that ensure high-quality, performance-optimized, and scalable products. My diverse skill set across both web and mobile technologies allows me to deliver cohesive experiences that work seamlessly across platforms. From React Native apps and Flutter solutions to building robust Node.js backends and scaling your infrastructure with Docker and CI/CD pipelines, I will ensure your project is built with the best tools and practices available. I focus on delivering end-to-end solutions, starting from concept and design all the way to deployment and ongoing maintenance. Let's work together to build applications that not only meet but exceed your expectations. Let’s Bring Your Ideas to Life! If you're looking for a reliable and experienced Full Stack Developer or Mobile App Developer, look no further! Reach out to me today, and let’s discuss how I can help you create the perfect solution for your business or project.
    Featured Skill Mobile App Development
    OCR Algorithm
    TensorFlow
    Python
    Natural Language Processing
    Chatbot Development
    ERP Software
    Digital Marketing
    MERN Stack
    Data Science
    Machine Learning
    Web & Mobile Design Consultation
    Data Analysis
    Web Application
  • $20 hourly
    • 4.7/5
    • (53 jobs)
    🏆 𝗧𝗼𝗽 𝗥𝗮𝘁𝗲𝗱 𝗖𝗼𝗻𝘁𝗿𝗮𝗰𝘁𝗼𝗿 I bring over 𝟳+ 𝘆𝗲𝗮𝗿𝘀 of experience in Development Technology, with expertise across various domains. 💼 𝗖𝗼𝗿𝗲 𝗦𝗸𝗶𝗹𝗹𝘀 & 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲: 🔹 Backend Interaction: REST API, JSON, XML 🔹 Social Media Integration: Facebook, Twitter, Instagram, Google, Apple 🔹 Real-time Communication: XMPP, Socket, Firebase, Twilio, Agora 🔹 Payment Integration: PayPal, Stripe, Square 🔹 Geolocation & Mapping: Google Maps, Apple Maps, GPS, Location Tracking 🔹 Live Streaming: Audio/Video Streaming 🔹 Push Notifications & Analytics: Firebase, FCM, Firestore, Firebase Analytics 🔹 AI & Chatbots: ChatGPT, OpenAI, AI Integration 🔹 Version Control: GitHub, GitLab, Bitbucket 🔹 MERN Stack: MongoDB, Express.js, React, Node.js 🔹 Java Full Stack: Spring Boot, Hibernate, JPA 🔹 DevOps & Containerization: Docker, Kubernetes 🔹 Microservices Architecture: Scalable, maintainable solutions 🔹 API Development: Seamless API integration 📌 𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝘆 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲: Over the past decade, I’ve developed a diverse range of apps across multiple industries, including: 🛎️ Fintech: Payment apps, budgeting tools 🛎️ Healthcare: Telemedicine, health records apps (HIPAA-compliant) 🛎️ E-commerce: Shopping apps, delivery tracking 🛎️ Real Estate: Property listing apps, mortgage calculators 🛎️ Education: E-learning platforms, quiz & assessment apps 🛎️ Travel & Tourism: Travel booking apps, tour guide apps 🛎️ Food & Restaurant: Food delivery, table reservation apps 🛎️ Entertainment: Streaming apps, event ticketing 🛎️ Automotive: Car rental, vehicle tracking apps 🛎️ Fitness & Wellness: Workout tracking, nutrition apps 🛎️ Social Networking: Social media, dating apps 🛎️ IoT & Bluetooth: IoT control apps, smart device control 🛎️ Blockchain & Cryptocurrency: Wallet apps, blockchain solutions 🌟 𝗪𝗵𝘆 𝗪𝗼𝗿𝗸 𝗪𝗶𝘁𝗵 𝗠𝗲? 🔹 Uncompromising Quality: High-performance apps tailored to your needs, built with precision and attention to detail. 🔹 Timely Delivery: I pride myself on delivering projects on time, every time. 🔹 Full-stack Expertise: From Android and iOS to backend systems and databases, I have the skills to handle your entire project. 🔹 Cutting-edge Technologies: Always up-to-date with the latest AI, IoT, and AR trends. 🔹 Cost-effective Solutions: I offer top-quality results without breaking your budget. 🔹 Long-term Partnerships: I focus on building lasting client relationships through trust and high-quality work. 🔹 Love to accept challenging work. 🔹 Availability of presence for work. 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀 𝗜 𝗪𝗼𝗿𝗸 𝗪𝗶𝘁𝗵: 🔸 Mobile Development: Kotlin, Java (Android), Swift, Objective-C, SwiftUI (iOS) 🔸 Cross-Platform: Flutter (Dart), React Native 🔸 Backend & Web Development: Node.js, PHP, Python, Laravel, Express.js, Django 🔸 Frontend Development: React.js, HTML5, CSS3, JavaScript, Bootstrap, jQuery 🔸 Databases: SQLite, MySQL, MongoDB, PostgreSQL 🔸 DevOps: Docker, Kubernetes, GitLab CI/CD 🔸 Latest Trends: AI, IoT, Blockchain 💬 𝗙𝗥𝗘𝗘 𝗖𝗢𝗡𝗦𝗨𝗟𝗧𝗔𝗧𝗜𝗢𝗡: I offer a free consultation to explore how we can collaborate and achieve your project goals. Let's schedule a quick introductory call to discuss your needs and how I can assist you. Even if we don't end up working together, you'll walk away with valuable tips and insights that could benefit your project. Simply click the '𝗜𝗻𝘃𝗶𝘁𝗲 𝘁𝗼 𝗝𝗼𝗯' button, and let's start a conversation to see what we can create together! 🙌 𝗧𝗵𝗲 𝗸𝗲𝘆𝘄𝗼𝗿𝗱𝘀 𝘁𝗼 𝗳𝗶𝗻𝗱 𝗺𝗲: Mobile App Developer, Mobile App Development, Android App Development, iOS App Development, Native App Development, Android Developer, iOS Developer, Cross-Platform Development, Custom App Solutions, Backend Development, Full Stack Developer, API Integration, Mobile UI/UX Design, Kotlin Developer, Swift Developer, Java Developer, SwiftUI Developer, Flutter Developer, Dart Developer, React Native Developer, Node.js Developer, PHP Developer, Python Developer, Laravel Developer, Express.js Developer, Django Developer, React.js Developer, HTML5 Developer, JavaScript Developer, jQuery Developer, Bootstrap Developer, Firebase Developer, AWS Developer, Google Cloud Developer, Docker Developer, Kubernetes Developer, DevOps Developer, Mobile App Design, expert-level iOS app development. Regards, Ravi Jasoliya
    Featured Skill Mobile App Development
    Docker
    Hibernate
    Spring Boot
    Web Design
    Mobile UI Design
    Java
    iOS Development
    React
    Dart
    React Native
    Android
    Flutter
    Swift
    Hybrid App Development
  • $30 hourly
    • 4.9/5
    • (33 jobs)
    🎯 Been Top Rated Plus | Senior Full-Stack Engineer | AI Solutions Expert | Next.js & React Specialist| ⭐ 5 Star Feedback Hello there! I am an experience Web and Mobile Engineer with proven track record of delivering high-performance applications with expertise in AI integration, React ecosystem, and cloud solutions. Having 6+ years of experience transforming complex requirements into scalable products. My passion lies in turning your business ideas into reality while maintaining the highest quality standards in my code. Let's collaborate and bring your project to life! 🎯 Recent Impact: - Built custom RAG systems increasing client revenue by 40% - Engineered Next.js 15 MVP in 4 weeks with parallel routes & AI integration - Scaled systems handling 10TB+ data with 99.9% uptime - Optimized applications achieving 2.5x faster load times - Led teams delivering 62% revenue growth through technical innovations 💻 Technical Expertise: Frontend Development: ✓ Next.js 13/14/15 (App Router, Server Components) ✓ React.js with TypeScript ✓ Performance optimization & SEO ✓ Modern UI libraries & state management AI & Backend: ✓ Custom RAG Systems & LangChain ✓ Node.js/Express.js/Nest.js ✓ GraphQL (Apollo Stack) ✓ MongoDB, PostgreSQL ✓ AWS/GCP cloud services 🔥 Recent Projects: 1. Agentic-AI Web App (wenudj) - Custom RAG system with 40% revenue increase - Next.js 15, MongoDB, Server Components - Built MVP in 2 month using V0, Cursor, Vercel AI, Langchain 2. Legal Tech Solution (Legalutopia.co.uk) - AI chatbot for solving legal queries - Custom GPT model reducing response times by 50% - 40% boost in user engagement 3. Music Streaming Platform in React Native - 10TB+ data handling with content caching - 60% faster load times 4. IoT Health Solution (Deep Care) - Award-winning Flutter application - Adopted by 15 German corporations - 60% decrease in health issues - 40% performance improvement 5. AI Writing Assistant Tools (Smodin.io) - AI Homework solver, AI content detection, rewriter, plagiarism detector etc. - 62% revenue boost - 30% faster sprint completion 💪 Why Choose Me: - End-to-end development expertise - Focus on measurable business outcomes - Modern tech stack mastery - Strong communication skills - Quality-focused, maintainable code Let's discuss how I can help bring your project to success! 🚀 Available upto 40 hours/week | Fast Response Time | London, UK (GMT)
    Featured Skill Mobile App Development
    CMS Framework
    Python
    AI Mobile App Development
    AI Consulting
    Expo.io
    Google Cloud Platform
    Generative AI
    AI Chatbot
    MERN Stack
    Flutter
    React
    Next.js
    Full-Stack Development
    Web Development
  • $20 hourly
    • 5.0/5
    • (6 jobs)
    I'm Yusuf, a results-driven Software Engineer with 3+ years of experience building full-stack web and mobile apps using React, React Native, Node.js, and Express. I hold a First-Class BSc in Software Engineering and an MSc in Artificial Intelligence. I’ve led and contributed to cross-functional teams in fast-paced remote environments, working with startups across the US, UK, and Africa. I specialize in: Full-stack development (React, Node.js, MongoDB, Tailwind) Mobile app development (React Native, Fast Api) Blockchain/Web3 (NEAR Protocol, NFT marketplaces, Ethers.js, Web3.js) AI Integrations (OpenAI, chatbots, smart assistants) I build fast, scalable, and secure apps using best practices. Whether you're a startup or scaling business, I can help turn your vision into reality. Let’s work together to build something amazing.
    Featured Skill Mobile App Development
    NodeJS Framework
    Mobile App
    Mobile App Testing
    GitHub
    Node.js
    Smartphone
    React
    React Native
    Firebase
    iOS
    Android
    Android App Development
    HTML5
    JavaScript
  • $20 hourly
    • 4.9/5
    • (19 jobs)
    I have dedicated over 5 years to professional mobile app development, with a diverse skill set covering iOS, Android, Flutter native, and hybrid app development. During this extensive period, I have successfully crafted more than 25+ apps for clients and companies situated in the UK, USA, Germany, India, and Canada. My clientele ranges from scale-up ventures to Fortune 30+ enterprises. Here's what I bring to the table: ✅ Proficiency in Flutter and Dart. ✅ Expertise in iOS, Android, Swift, Objective-C, Java, and Kotlin. ✅ Capabilities in client/server development and database/web interfaces. ✅ Firebase, Firestore, Crashlytics, Analytics, Dynamic Links, Cloud Messaging ✅ A keen eye for UI/UX design. My knowledge of state management solutions such as Provider, Riverpod, GetX, MVC pattern, and Bloc, along with experience in working with different architectures like MVC and MVVM, has allowed me to create robust and efficient applications. I have also integrated various payment gateways like Paypal, Stripe, Rozarpay, and in-app purchases, ensuring seamless payment experiences for users. Should you be concerned about time-sensitive seasonal updates or feature enhancements, rest assured that I've got you covered. I prioritize building enduring partnerships with my clients, eliminating the need for you to engage multiple developers for each modification or outdated library. I'm eager to transform your concepts into reality, so please don't hesitate to get in touch and discuss your requirements.
    Featured Skill Mobile App Development
    CI/CD
    AOSP
    Flutter Stack
    FlutterFlow
    Mobile App
    API Integration
    Firebase
    Dart
    iOS Development
    MongoDB
    Kotlin
    iOS
    Flutter
    Android
  • $20 hourly
    • 5.0/5
    • (2 jobs)
    I am Haroon, a Full Stack Engineer with expertise in building high-performance web applications, scalable backend systems, and cloud-based solutions. With 7 years of experience in software development. Frontend Development: I create fast, responsive, and user-friendly interfaces using modern frontend technologies: ✔ React.js, JavaScript, TypeScript ✔ Next.js & Vue.js ✔ Tailwind CSS, Bootstrap, SCSS Backend Development: I develop secure and scalable backend systems to power your applications: ✔ Node.js (Express.js, Nest.js) ✔ PHP (Laravel) ✔ Python (Django, FastAPI) Cloud & DevOps Solutions: I optimize deployments and ensure reliability with cloud-based infrastructures: ✔ AWS, Azure, Google Cloud ✔ Docker, Kubernetes, CI/CD Why Work With Me? ✅ Strong expertise in full-stack development ✅ Scalable and maintainable code architecture ✅ Cloud-based and DevOps-friendly applications ✅ SEO-optimized, high-performance web apps ✅ Clear communication and on-time delivery I specialize in developing end-to-end web solutions, from frontend interfaces to backend architectures and cloud deployment. Whether you need a modern web application, an optimized backend, or seamless DevOps integration, I can help bring your project to life with efficiency and scalability. Let’s discuss your project and turn your vision into reality!
    Featured Skill Mobile App Development
    DevOps
    Agile Software Development
    Hybrid App Development
    Full-Stack Development
    Front-End Development
    AI Development
    Chatbot Development
    UX & UI Design
    Search Engine Optimization
    WordPress Development
    Web Application Development
    Database Architecture
    RESTful Architecture
    Back-End Development
  • $28 hourly
    • 4.8/5
    • (49 jobs)
    ✅ Top-Rated Mobile Application Expert Native Android & iOS Development ✅ $70K+ billed ✅ 55+ successfully finished jobs ✅ 2K+ hours ✅ Expert iOS developer ✅ Worked with successful startup companies ✅ Agile Methodology 🚀Are you in need of a talented and dedicated Mobile Developer for your next project?Look no further! As a Master's degree holder in Computer Science and with 8+ years of extensive experience in both iOS and Android app development, I bring to the table a wealth of knowledge and expertise to help bring your vision to life. My extensive skillset in Swift, SwiftUI, Objective-C, iOS SDK, Java, Android, and Flutter, combined with my commitment to delivering high-quality results, make me the ideal choice for your project. My ability to develop a wide range of mobile applications, including fitness, event-based, live media streaming, geolocation, and custom keyboard apps, is well-proven and I have received many positive customer reviews. To ensure that your project is delivered efficiently and effectively, I utilize tools like Git, SVN, Bitbucket, TestFlight, Jira, and Crashlytics, and I stay up-to-date with the latest developments in mobile development. My commitment to client satisfaction and my passion for delivering exceptional results is evident in everything I do, and I am confident that I can bring this level of dedication to your project. 👩‍💻 𝐂𝐎𝐑𝐄 𝐒𝐊𝐈𝐋𝐋 𝐀𝐍𝐃 𝐓𝐄𝐂𝐇𝐍𝐈𝐂𝐀𝐋 𝐄𝐗𝐏𝐄𝐑𝐓𝐈𝐒𝐄 ---------------------------------- → Experienced in Live Tracking app, Social app, Nearby Service app, Delivery app, Learning app, Calendar app, Task management App, Dating App, Fitness app, etc. → Strong knowledge of Objective C , Swift, SwiftUI, Java → Familiar with Realm database, RESTful APIs, AWS S3 and Firebase → Realtime Chat with story like Whatsapp → Auto layout to build apps across all different size devices → Map Integration, Payment Gateway, Push Notification, In-App Purchase, IAd Implementation, Multi language Support → Git-SVN-BitBucket committing and Task management with Trello and Jeera, devOps 💬 𝗙𝗥𝗘𝗘 𝗖𝗢𝗡𝗦𝗨𝗟𝗧𝗔𝗧𝗜𝗢𝗡: My consultation is 𝗳𝗿𝗲𝗲. Let's schedule an introductory call and discover the possibilities of working together.And even if we don't work together, you will get some tips/ideas that can be helpful to your project. I ensure to provide best service with latest technology to every client and make their application successful on App Store. To sum up, if you are looking for a dedicated and highly skilled mobile developer to bring your vision to life, I would be honored to work for you. Contact me today to discuss your project in further detail. Thank you.
    Featured Skill Mobile App Development
    Laravel
    Flutter
    iOS Development
    Node.js
    Swift
    Objective-C
    React
    Android App Development
    iOS
    Dart
    Hybrid App Development
  • $45 hourly
    • 4.9/5
    • (49 jobs)
    🚀 Full Stack Developer with 8+ years of experience in designing, developing, and maintaining web apps and mobile apps with expertise in JavaScript, TypeScript, React, React Native, Flutter, NextJs, VueJs, NuxtJs, Angular, Python, Node.js, Nest.js, Django, Go, and more. First, just check out my diverse portfolio of web & mobile apps in the "𝗽𝗼𝗿𝘁𝗳𝗼𝗹𝗶𝗼" 𝘀𝗲𝗰𝘁𝗶𝗼𝗻 𝗯𝗲𝗹𝗼𝘄, where you can explore my custom web applications, mobile apps, innovative SaaS solutions, and AI-integrated projects that I’m proud to share with you. ➤ 𝗙𝗿𝗼𝗻𝘁-𝗲𝗻𝗱 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁: React, NextJs, VueJs, NuxtJs, Angular, React Native, Flutter, HTML, CSS, Bootstrap, Antd, Tailwind CSS, TypeScript, JavaScript. ➤ 𝗕𝗮𝗰𝗸-𝗲𝗻𝗱 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁: NodeJs, NestJs, Python, Django, Golang (Go), API Development ➤ 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲𝘀: MongoDB, MySQL, PostgreSQL, SQLite, Firebase, and Oracle. ➤ 𝗖𝗹𝗼𝘂𝗱 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁: AWS Cloud - serverless architecture, Lambda, EC2, ECS/EKS, S3, EBS, RDS, DynamoDB, Aurora, ELB, Route 53 etc. ➤ 𝗔𝗜 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻: Python, Chatbot, NLP Integration, ChatGPT ➤ 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 𝗮𝗻𝗱 𝗗𝗲𝗽𝗹𝗼𝘆𝗺𝗲𝗻𝘁 𝗧𝗼𝗼𝗹𝘀: Git, GitHub, Docker, Vercel, AWS, Jest If you’re looking for someone to enhance your existing system or build something remarkable from the ground up—quickly and efficiently—you’re in the right place. I’m available for an assessment to establish trust and ensure we’re aligned on your project needs. 𝗟𝗲𝘁'𝘀 𝘀𝗰𝗵𝗲𝗱𝘂𝗹𝗲 𝗮 𝗳𝗿𝗲𝗲 𝗰𝗮𝗹𝗹 to discuss how I can help!
    Featured Skill Mobile App Development
    Python
    React Native
    NestJS
    Node.js
    React
    Next.js
    JavaScript
    TypeScript
    Web Application Development
    App Development
    Web Development
    Back-End Development
    Front-End Development
    Full-Stack Development
  • $40 hourly
    • 5.0/5
    • (1 job)
    I am a passionate and enthusiastic result-driven full stack freelancer, with 10+ years of solid experience in developing websites, web and mobile applications for many clients in various industries. I strongly believe in effective communication with each client as this translates accountability and greater productivity when it comes to delivering work precisely as requested! I have developed multiple projects using various technologies as such as: ✔ ASP.Net MVC ✔ CodeIgniter ✔ Flutter ✔ Joomla ✔ Laravel ✔ Maintaining Amazon server ✔ Node Js ✔ OpenCart ✔ PHP ✔ React Native ✔ Shopify ✔ WordPress Additional experience includes ecommerce websites with payment gateway integration. I have completed over 30+ web portals/CMS portals. Some of the plugins used: ✔ GoCardless ✔ PayPal ✔ PayUMoney ✔ Shopping Cart ✔ Stripe I am able to deliver a robust, fully functional product that fits your specifications perfectly! Drop me a message to discuss your requirements.
    Featured Skill Mobile App Development
    React Native
    Shopify
    WordPress Development
    Magento 2
    WordPress e-Commerce
    Magento
    WordPress Multisite
    React
    CSS
    JavaScript
    HTML5
    Laravel
    SQL
    PHP
  • $100 hourly
    • 5.0/5
    • (14 jobs)
    👋 Top 1% Rated Senior AI Engineer on Upwork with only 5* feedback & 100% job success rate. 👨‍💻 Experienced in rapidly developing & fine-tuning LLM applications for production grade deployment 🗣️ I pride myself on clear communication with a rapid response time. I've built and deployed custom AI apps & workflow automations in many verticals such as legal, edtech, customer service, and many more. With me you will know what is happening, how long it will take, and if there are any issues! 📤 Please get in touch if your project involves: - LLM powered applications - Full stack AI development (frontend, backend, AI integration, prompt engineering, fine-tuning) - AI fine-tuning - AI Prompt engineering - AI Agent & multi-AI Agent use cases - Chatbot development 👨‍💻 Languages & frameworks I am proficient with: - AI specific: Langchain, Crew AI, Langfuse, Langsmith, LangGraph - RAG specific: Pinecone, Weaviate, Neo4j - Backend: Python, Golang, Javascript - Frontend: Flutter, React, Next.js - Deployment: Docker, AWS, Azure - AI fine-tuning: Hugging Face, Transformers, Unsloth, Axolotl Looking forward to working together!
    Featured Skill Mobile App Development
    Dart
    Flutter
    Firebase
    Hybrid App Development
    User Interface Design
    Golang
    UX & UI
  • $35 hourly
    • 5.0/5
    • (4 jobs)
    I’m a bubble developer with over 5000 hours of dev experience. I have built several products across several industries. I have plugged in to several, complex APIs to support the products I build. I have experience building for mobile as well. I have successfully shipped over 5 apps to the mobile app stores, all earning great reviews with over 2000 users across all apps. I come with a wealth of experience in product design, system architecture, development and management of the product lifecycle. I have led development teams, implementing agile methodology in our development process. I’ve got great stakeholder management and always keen on maintaining communication with my clients. I’m excited about the prospects of contributing to your team and product and would love to discuss further on how my expertise aligns with your goals. Regards Alexander.
    Featured Skill Mobile App Development
    Product Management
    Low-Code Development
    Prototype Design
    Database
    Zapier
    Project Management
    QA Testing
    ChatGPT API Integration
    API Integration
    No-Code Development
    Product Design
    Bubble.io
    Figma
    UI/UX Prototyping
  • $50 hourly
    • 5.0/5
    • (3 jobs)
    Hello, my name is Philip and I have 8+ years of experience as a Full Stack Developer [UI/UX | NodeJS | Angular | ReactJS | Native iOS/Android Apps | Hybrid iOS/Android Apps]. 👉 About me: ✅ 8+ years proven track record in Web & Mobile Designing + Development. ✅ Solid experience in the development of OOP-best practices functionalities ✅ Extensive experience in projects as a team leader ✅ Tech Stack: NodeJS, Angular, React, UI/UX, JavaScript, React Native, Flutter, PHP, Laravel. ✅ Segments: E-commerce, ERP, CRM, Marketing websites, etc. ✅ Development for me is not just a code, but a whole business process for which I always find effective and competitive solutions. As of now, I'm part of the Codezee Solutions team where I can deploy my professional engagement and create top-notch web apps | Websites | Mobile Apps. 🕘 MY WORKING HOURS: Open to work 24*7 🌻 Thanks for your time and good luck!
    Featured Skill Mobile App Development
    Laravel
    MySQL
    MongoDB
    ASP.NET
    CodeIgniter
    PHP
    WordPress
    Node.js
    WooCommerce
    React
    Angular
    Web Development
    Android
    iOS
  • $40 hourly
    • 5.0/5
    • (4 jobs)
    I'm professional React Native developer and mobile Team Lead. My Frontend experience is really amazing: from simple React web sites to comprehensive crossplatform mobile apps on React Native. I can handle the project of any complexity. My code is always clean, readable, scalable and well-documented. All of my solutions are optimised and valuable. I'm always available for communication regarding the project clue points: API, Backend, Design, Mentoring etc. I have a lot of experience with team mentoring, so I can easily solve any internal conflicts.
    Featured Skill Mobile App Development
    Websockets
    Responsive Design
    Localization
    Redux Saga
    Redux
    Web Development
    Apple Xcode
    React Native
    React
    Firebase
    Android Studio
  • $70 hourly
    • 4.9/5
    • (6 jobs)
    I'm a developer with extensive experience in big tech companies, including Google, Palantir and Amazon. I hold bachelor's and master's degrees in Computer Science from King's College London. I have a wide-ranging set of skills that allows me to work on various stacks and technologies. I have a solid academic background in computer science which built a strong foundation of theoretical knowledge that enables me to grasp different concepts quickly. My experience in big tech companies has shaped my work ethic to be flexible, quick & innovative, and I understand the client's demands and needs thoroughly. - I have 5 years of experience in designing and implementing cloud software systems with AWS and GCP - I have 4 years of experience in Software Development with Python, Golang, Java and JavaScript - I can fully manage and complete your project based on the requirements and needs that you state - I value strong communication and project management, meaning that I will give you accurate deadlines and readily communicate progress updates
    Featured Skill Mobile App Development
    Java
    JavaScript
    Python
    PHP
    Cloud Computing
    Automation
    Golang
  • $45 hourly
    • 5.0/5
    • (1 job)
    Hello, My name is Charlie As a Full Stack Developer, I work on complete solutions from server to user interface (UX/UI), creating a seamless blend of technical efficiency and appealing design. Your one-stop shop for mobile and web app development: ✅ 100% Guaranteed quality delivery or your money back ✅ Exceptional Mobile App Development (iOS, Android, Cross-Platform) ✅ Top-Tier Web Application Development (GCP, AWS, Custom VPS, Dedicated) ✅ Specialist in WordPress & E-commerce platforms ✅ Striking UI/UX Design ✅ Technological Excellence ✅ Turn your vision into a reality with me using proven web and mobile app development processes Ranging from small businesses to enterprise-level projects, I assure quality, efficient work within your budget. I focus on creating applications with maximum user engagement, designed for increased traffic and customer retention. My main areas of focus are e-commerce and service-based apps, leveraging my expertise in WordPress to create user-centric experiences, with special attention to creating registration flows that encourage higher customer retention and usage. Industries I've served: 🔸 E-commerce (Retail, grocery, SAAS, B2B, and B2C) 🔸 Audio book streaming services, Video streaming services 🔸 Work placement and talent seeking marketplaces 🔸 Real estate, Property management, and Construction Management 🔸 Booking and event services 🔸 Legal and law 🔸 Wellness and coaching Technologies I excel in: *️⃣ Artificial Intelligence, ChatGTP-4, Dall-e, OpenAI Jukebox *️⃣ Mobile Development: Native iOS (Swift, Swift UI), Native Android (Kotlin), Flutter/Dart, React Native *️⃣ Web Development: WordPress, React, React Native, Node.js, JavaScript, Responsive Design *️⃣ Design: Figma, UI/UX *️⃣ Cloud Services: AWS, Google Cloud, Firebase, API development, serverless computing, Node.js, Some of my work: 🎦 Wahlbeck, Sci-fi audio books streaming app. 🎦 CSA, a research tool with custom audio visualizations. 🎦 Roofworx, a comprehensive platform for roofing contractor services. 🎦 Floater, a talent placement app. 🎦 BK Questionnaire, a legal tool leveraging OCR technologies. Our first call? Expect an in-depth Zoom discussion about your project, followed by a comprehensive plan based on your needs. If we're a good fit, let's move forward. If not, I can provide advice and referrals to ensure your project's success. General process: 1️⃣ Discovery call: Understanding your needs through a face-to-face Zoom call. 2️⃣ Discovery document: Outlining your project requirements. 3️⃣ Design phase: Based on specific needs, this could involve a professional designer or a basic concept. 4️⃣ Back-end development: Creating APIs, documenting processes. 5️⃣ Development cycles: Regular updates and feedback sessions. 6️⃣ Deployment: A carefully staged and executed process. 7️⃣ Continuous development: Ongoing refinement based on feedback. Complexities simplified to ensure a smooth process while you focus on your business. Pricing: The cost varies based on project requirements. Message me directly for a free custom estimate. Turn your vision into a reality with me. Invite me now for high-quality mobile and web application development!
    Featured Skill Mobile App Development
    UX & UI
    Shopify
    Database Architecture
    Laravel
    React
    Node.js
    Angular
    MongoDB
    PHP
    Yii
    MySQL
    WordPress
  • $32 hourly
    • 5.0/5
    • (1 job)
    This is Huzaifa Shafi, I am an experienced full-stack developer with more than 5+ years of hands-on practical experience working on various frameworks DEVELOPMENT SERVICES: React | Node.js | React Native |MongoDB | Redux | Rest API | APIs Integration | Payment Integration| CMS | WordPress | Shopify |Squarespace | Webflow | Laravel | PHP | HTML5 | CSS3 | SASS | JavaScript | MySQL | I am also an expert Graphic designer having extensive user-experience/ human-computer interaction knowledge with exemplary Mobile app design and development expertise which helps me to design attractive, streamlined, engaging, and interactive Web and app designs. Best of expertise: Figma, Adobe XD, Sketch, Invasion, Adobe Pro, Adobe Photoshop, Creative Cloud, and Adobe Illustrator. GRAPHICS SERVICES: Book Covers | Social Media Ads | Mobile App designs | Logo | Posters |Letter Heads | Infographic | Flyers, Brochures and Invites | Business Cards | Brand Identity Design I will complete the project in a timely manner with top-notch quality work.
    Featured Skill Mobile App Development
    Figma
    Web Design
    CRM Development
    Mobile App Design
    Ecommerce Store Setup
    Ecommerce Website Development
    Ecommerce
    Squarespace
    Webflow
    Shopify
    Web Development
    Website Redesign
    WordPress
    Responsive Design
  • $45 hourly
    • 5.0/5
    • (2 jobs)
    I have 7+ years of experience in both React and React Native, enabling me to create seamless applications for mobile devices using React Native and for the web using React. I specialize in utilizing Redux for state management, REST APIs for backend communication, and React Router for efficient routing. 📁 My skills related to Mobile & Web development: 🔹 Front-end: •React •TypeScript •React Native 🔹 UI Libraries: •Material-UI •Ant Design •Bootstrap 🔹 Database: •SQLite •Firebase •MongoDB 🔹 Version Control: •Git •AWS •Bitbucket 🔹 Testing: •Cypress 🔹 Styling: •CSS• SCSS •Styled Components I focus on implementing the latest stable technologies to ensure that applications require minimal maintenance and have highly reusable code and components. I follow an agile development process using JIRA to ensure efficient project management and timely delivery of high-quality applications.
    Featured Skill Mobile App Development
    Swift
    Firebase
    Mobile UI Design
    Hybrid App Development
    Hybrid App
    Native App Development
    React Native
    Kotlin
    JavaScript
    MySQL
    MongoDB
    ExpressJS
    Node.js
    React
  • $70 hourly
    • 5.0/5
    • (2 jobs)
    👋 Hi there! I’m a Full Stack AI Tech Consultant with 17+ years of experience, blending Artificial Intelligence, Machine Learning, and Cloud Computing to build cutting-edge, scalable, and high-performance solutions. Whether you're a startup, entrepreneur, or established business, I’m here to turn your ideas into reality and help you stay ahead in today’s tech-driven world. 🌍💻 ⚡ Here’s What I Bring to the Table: 🤖 AI & Machine Learning Wizardry I specialize in building next-gen AI solutions—think chatbots, recommendation engines, NLP models, and image recognition tools. Tools I love: TensorFlow, PyTorch, Scikit-learn, Keras, GPT, BERT, and more. Industries served: Healthcare (predictive diagnostics, AI imaging), Finance (fraud detection, risk analysis), Retail (personalized marketing, inventory optimization), and beyond. 💻 Full Stack Web Development Pro From jaw-dropping front-end designs with React.js, Vue.js, and Angular to rock-solid back-end APIs with Node.js, Django, and Flask, I build applications that don’t just work—they WOW! 🌈 Enterprise-grade architectures: Microservices, serverless systems, and high-performance solutions tailored for scale. ☁️ Cloud Computing & DevOps Expert AWS, GCP, Azure—you name it, I’ve mastered it! ☁️ Specialized in containerization (Docker, Kubernetes), building cost-efficient CI/CD pipelines, and deploying systems optimized for scalability and fault tolerance. Cloud services: Lambda, S3, EC2, and more for seamless infrastructure. 📊 Data Engineering Rockstar I’ve designed real-time data pipelines using Spark, Kafka, Airflow, and built robust ETL processes to keep businesses running smoothly. Proficient in SQL/NoSQL databases, big data analytics, and creating actionable insights for data-driven growth. 🏆 Why Clients Love Working With Me: ✅ 17+ Years of Excellence: Delivered 100+ successful projects for clients in diverse industries worldwide. 🌍 ✅ Custom-Tailored Solutions: No cookie-cutter here! I design systems that solve your unique challenges and fit your business goals. ✅ End-to-End Expertise: From ideation and design to deployment and scaling, I handle the full project lifecycle. 🎯 ✅ Built to Scale: My systems grow as your business grows—whether it’s handling millions of users or processing massive datasets, I’ve got you covered. 💪 ✅ Client-Centric Communication: Regular updates, collaborative problem-solving, and no tech jargon—just clear, actionable insights. 🗣️ 🌟 Career Highlights & Fun Wins: 🏅 Built the world’s first healthcare chatbot in 2016 (game-changer for the industry). 🎓 Advisor to top universities on their data science programs. 💼 Helped businesses achieve 200%+ ROI through AI-driven optimization. 🌟 Featured solutions for industries including finance, retail, manufacturing, and edtech. 🔧 Tech Stack I Love Using: AI/ML: TensorFlow, PyTorch, OpenCV, Scikit-learn, GPT, BERT Web Dev: React.js, Angular, Node.js, Django, Flask Cloud: AWS, GCP, Azure, Docker, Kubernetes, Terraform Data: Spark, Hadoop, MongoDB, PostgreSQL 🎯 Industries I Crush It In: Healthcare & Life Sciences 🩺: AI diagnostics, predictive health analytics, and medical imaging. Finance & FinTech 💰: Fraud detection, risk modeling, and algorithmic trading. Retail/E-commerce 🛍️: Personalized shopping experiences, inventory management, and customer behavior analysis. Manufacturing & IoT ⚙️: Predictive maintenance, sensor data processing, and smart factory automation. EdTech & Education 📚: Adaptive learning platforms, automated grading, and personalized education systems. 🔥 Let’s Build Something Incredible Together! 💡 Whether you're looking to create AI-powered apps, optimize your operations, or scale your tech infrastructure, I’m here to deliver solutions that are on-trend, future-proof, and ready to wow! ✨ 💬 Hit the invite button and let’s make magic happen. Your success is my priority! Let’s chat today. 💌🎉
    Featured Skill Mobile App Development
    Virtual Assistance
    OCR Software
    Business Intelligence
    Custom App
    Business Application Development Language
    Web Application Development
    Image Recognition
    Chatbot Development
    AI Chatbot
    NLP Tokenization
    Machine Learning Model
    Machine Learning
    Generative AI
    Artificial Intelligence
  • $45 hourly
    • 4.9/5
    • (0 jobs)
    ✅ 20+ years Agile Project Manager, Scrum Master, Agile Coach, ✅ 20+ years Jira Experience ✅ Top Reputation at International companies BBC, Sky , Oracle , GE ✅ Certified Scrum Master ( CSM ) and Professional Scrum Master ( PSM ) ✅ 25+ years In Software Development ✅ creator of 🏆#1 BestSelling Scrum Master Certification course in the world ✅ 25+ years programming Java, HTML/JavaScript, SQL, C++, Python and more ✅ Experienced working with teams: Dev, AI, SaaS, Cloud, DevOps I am a world class Agile Project Manager, Scrum Master & Agile Coach as well as bestselling instructor, with over 25 years experience in the Software Development Industry including Jira Administration. This has been on website, mobile and interactive tv projects on ipad iphone and desktop including CMS , front end and back end integrations. The journey began as a developer in the late 90s. Whilst developing I became a Scrum Master using Jira in 2005. This led me to 2014 when I became the bestselling online Instructor in the world for getting professionals prepared for their Scrum Master Certification (and I still am in 2025). Now in 2025 I still lead Agile Projects and coach teams..so rest assured I can help you with unmatched credentials. I look forward to working with you !
    Featured Skill Mobile App Development
    Sprint Planning
    Web Application
    Project Delivery
    iOS Development
    Atlassian Confluence
    App Development
    Web Development
    Product Development
    Jira
    Agile Software Development
    Agile Project Management
    Product Backlog
    Product Management
    Scrum
  • $60 hourly
    • 4.9/5
    • (85 jobs)
    I am an expert-vetted software engineer and outsourcing consultant with 10 years of experience in mobile apps, Web development, and outsourcing services. I have worked with many startups and leading development agencies across the globe to build great mobile apps and Websites for them. Past Achievements: - Successfully set up outsourcing/back-office operations for Australian-based public listed companies. - Built an award-winning Mobile App for Bible readers. Expertise: ✅Mobile Development: - iOS (Swift/Objective-C) - Android (Kotlin/Java/Android SDK) - React Native - Flutter ✅ Web Development: - MEAN Stack / MERN Stack - ReactJS - PHP ✅E-commerce Development: - Magento - Shopify - BigCommerce ✅ Content Management Systems (CMS): - WordPress ✅Immersive Technologies: - Virtual reality - Augmented Reality Project Management & Specialized Skills: - Business Process Automation & Integration: Streamline workflows and connect applications to enhance efficiency. - Full-Stack Web Development: Build custom web applications from the user interface to the backend. - Responsive Web Design (RWD): Design websites that adapt seamlessly to any device (desktop, tablet, mobile). - Project Management: Effectively manage projects using Agile Scrum methodology (team lead experience). I'm your go-to person to bring your tech dreams to life! Tags: Mobile Development | Web Development | E-commerce Development | Content Management Systems (CMS) | AR/VR Development | Project Management | Agile Scrum | Upwork | Freelancer | Mobile App Development | Web App Development | Full-Stack Development | Responsive Web Design | UI/UX Design | API Integration | Business Process Automation | Cloud Platforms (AWS, Azure, GCP) | Version Control (Git, SVN) | PHP | ReactJS | React Native | Flutter | MEAN Stack | MERN Stack | Magento | Shopify | BigCommerce | WordPress | iOS Development (Swift/Objective-C) | Android Development (Java/Kotlin)
    Featured Skill Mobile App Development
    AR & VR
    Shopify
    Full-Stack Development
    WordPress
    Node.js
    Angular
    PHP
    React
    React Native
    Kotlin
    Swift
    Flutter
    Android App Development
    iOS Development
  • $60 hourly
    • 4.9/5
    • (24 jobs)
    Game developer with more than 14 years of working experience. Unity developer certified. Big and small companies/teams (Trailmix Games, Gram Games, Jam City, The Other Guys, Widow Games, Wannabe, The Whitebox, etc.) Different languages (C#, C++, C, Java, Scala, Javascript, Python, PHP, HTML) Different platforms (Android, iOS, Mac, Windows, Console, AR/VR, Arduino, Raspberry) Multiple freelance clients (5Seis, Nespresso, Phillips, Warner Bros, Boca Juniors Football Club, etc)
    Featured Skill Mobile App Development
    Game Development
    Game Design
    Prototyping
    In-App Purchases
    Mobile Game
    Unity
    Personal Computer
    iOS
    Android
    JavaScript
    C#
    Phaser
  • $40 hourly
    • 5.0/5
    • (15 jobs)
    I have over 7+ years of professional experience in software engineering. Specialising in creating Ionic2/React applications, Angular2, JavaScript, SQL, NodeJS. My biggest accomplishments include full blown SVG editor (AngularJS), Nutrition tracking system (AngularJS), Real time video manipulation software with encryption.
    Featured Skill Mobile App Development
    iOS Development
    Ionic Framework
    Android App Development
    AngularJS
    Node.js
    JavaScript
  • $40 hourly
    • 4.5/5
    • (55 jobs)
    Full stack mobile app developer with 15+ years of experience in Mobile App Development, specializing in Flutter, React Native, React, IOS, Swift, Android, Python, and Java. I have successfully delivered 120+ mobile applications in different roles as flutter app developer, flutter full stack developer, flutter flow, mobile app design, mobile ui ux designer, ios developer, android developer, react native developer, mobile game developer achieving a 5-star rating on Upwork and helping clients scale their businesses with high-performance solutions. 🚀 Flutter Mobile App Developer | Mobile UI/UX Designer | Mobile Game Developer | Mobile Web Developer for Mobile app development project. Expert in Flutter mobile app development, delivering 30+ high-performance apps with pixel-perfect UI and smooth animations. Skilled in clean architecture and comprehensive testing for robust solutions. 🔹 Applied game mechanics for engaging experiences in mobile development where I was a Mobile Game Developer. 🔹 Integrated real-time features, secure authentication, and cloud functions as Flutter Firebase Developer. 🔹 Built seamless API integrations and data synchronization in mobile development in Flutter mobile app development as a Flutter Laravel Specialist. 🚀 iOS app developer | Mobile UI/UX Designer | Mobile Game Developer | Mobile Web Developer in mobile app development: Developed and optimized 40+ iOS apps using Swift. Implemented complex features as iOS app developer, maintaining clean architecture and best practices. Leveraged extensive experience as iOS developer Swift to create intuitive user experiences and solve challenging technical problems. Collaborated with cross-functional teams as Swift iOS developer, utilizing Kotlin Swift expertise to deliver high-quality applications on time and exceed client expectations on iOS Swift smartphone platforms. 🚀 Android Developer | Mobile UI/UX Designer | Mobile Game Developer | Mobile Web Developer in mobile app development: Built 30+ Android apps with adaptive UI, material design, and battery-friendly performance. Expert in Android Kotlin developer, leveraging Kotlin Swift and Kotlin Multiplatform for cross-platform solutions. Optimized security as Android reverse engineer and streamlined releases as Android app publisher, enhancing engagement and update efficiency. 🚀React Native Developer | Mobile UI/UX Designer | Mobile Game Developer | Mobile Web Developer in mobile app development: Built 20+ cross-platform apps with responsive UI and seamless sync. Expert in React Native mobile, React Native Expo, and React Native Firebase for real-time features. Optimized communication with React Native WebRTC. Crafted interactive experiences as React JS and Front End React specialist. Developed hybrid solutions as Java React expert, maximizing code reuse. 📱 Performance & Scalability: Built apps supporting 1M+ users, integrating real-time updates, gamification, and video streaming. 💰 Business Impact: Helped startups and enterprises generate $10M+ in revenue through well-optimized and engaging mobile applications. iOS App Development Case Study 📱 Developed a high-performance iOS app using iOS Swift that achieved 5 star rating and featured status in the App Store. Implemented Flutter iOS compatibility for future cross-platform expansion while maintaining native performance and security. Supported iOS app marketing efforts with analytics implementation and App Store optimization, resulting in 35% higher user retention than industry average. I am currently not accepting WordPress projects as I'm focusing exclusively on mobile app development. Professional Achievements 🚀 Rewarded as 🏆 𝗧𝗢𝗣 𝗥𝗔𝗧𝗘𝗗 𝗣𝗟𝗨𝗦 🏆 🚀 4154 mobile app development hours on Upwork and still counting 🚀 100% Job Success in mobile app development (Client Satisfaction Ratio) 🚀 54+ mobile app development jobs completed successfully ✅ 98% of Clients Recommended working with me ✅ 80% Long-term Repeat Clients ✅ 15+ Years Of Experience in mobile app development, 6 years experience in Flutter mobile app development, 7 years experience in Swift and Kotlin, 4 years experience in React Native. ✅ High-Quality Work ✅ Cost-Effective ✅ Fluent English Verified ✅ 93% on-time delivery rate across all mobile app development milestones Got an app idea that you think is ready to make a splash? Let's dive in and explore it together in a free intro call
    Featured Skill Mobile App Development
    HTML
    Laravel
    App Development
    Hybrid App Development
    Web Development
    JavaScript
    Git
    Smartphone
    Kotlin
    React Native
    Android App Development
    iOS Development
    Mobile App Testing
    Flutter
  • $70 hourly
    • 4.9/5
    • (32 jobs)
    As a seasoned software engineer, I have a strong track record of leading successful projects and driving innovation. At JPMorgan Chase & Co., I played a key role in developing customer onboarding journeys for a digital bank with over 2 million customers. I led the mobile-orchestration project, which streamlined backend-driven UI journeys, and was instrumental in the Florence integration, contributing to a strategy that aims to save £100 million annually. In my role with the United Nations, I collaborated on developing a financial intelligence software for various governments. I delivered key features such as graph database migration automation and backend-driven internationalization, ensuring high standards with 100% test coverage. My leadership and full-stack development skills enabled us to build robust and scalable solutions. As a Lead Software Engineer at Scimetic, I directed the development of a greenhouse dashboard, significantly boosting crop production by 30%. I designed the system architecture and continuously enhanced the application, demonstrating my ability to drive technical projects that deliver tangible business results. My experience spans a range of technologies and industries, with a strong emphasis on mentoring and leading teams. I have consistently improved processes and delivered high-quality software solutions. I am eager to leverage my skills and experience to lead projects and drive innovation as a Lead Software Engineer.
    Featured Skill Mobile App Development
    Web Development
    AJAX
    jQuery
    React
    Node.js
    MongoDB
    MySQL Programming
    CMS Development
    ExpressJS
  • $60 hourly
    • 5.0/5
    • (36 jobs)
    𝐀𝐫𝐞 𝐲𝐨𝐮 𝐥𝐨𝐨𝐤𝐢𝐧𝐠 𝐟𝐨𝐫 𝐚 𝐫𝐞𝐥𝐢𝐚𝐛𝐥𝐞 𝐭𝐞𝐜𝐡 𝐩𝐚𝐫𝐭𝐧𝐞𝐫 𝐭𝐨 𝐛𝐮𝐢𝐥𝐝 𝐚 𝐪𝐮𝐚𝐥𝐢𝐭𝐲 𝐚𝐩𝐩 𝐭𝐡𝐚𝐭 𝐬𝐨𝐥𝐯𝐞𝐬 𝐛𝐮𝐬𝐢𝐧𝐞𝐬𝐬 𝐛𝐨𝐭𝐭𝐥𝐞𝐧𝐞𝐜𝐤𝐬 𝐨𝐫 𝐥𝐚𝐮𝐧𝐜𝐡𝐞𝐬 𝐧𝐞𝐰 𝐯𝐞𝐧𝐭𝐮𝐫𝐞𝐬? How I Can Help You Succeed: - Full-Service Development: From initial concept to fully functional apps, I handle the complete development of mobile and web applications with a focus on delivering tangible results. - UI/UX Expertise: I offer intuitive design, app branding, and product workshops to ensure your app is not only functional but also visually appealing and user-friendly. - Long-Term Support: I build scalable apps, maintain them, and provide ongoing support to adapt to your business needs as they grow. - Cloud Solutions: Seamless integration with cloud infrastructure for performance, scalability, and reliability. How I Can Apply My Experience to Help You: Thanks to the success of my past apps, I became an Implementation Partner of RevenueCat (revenuecat.com) in 2022—a leading platform processing over $5 billion annually and powering 30,000+ apps worldwide. This partnership allowed me to work on apps with thousands of users and significant revenue, equipping me with valuable insights. I’d love to share what I’ve learned with you. Growth Results: - Helped clients generate over $1.1M annually by integrating RevenueCat. - Grew a client’s app revenue to $280K/year using Stripe. Services - UI/UX design, product workshops, app branding - iOS and Android app development - Web app development: frontend and backend - Maintenance, new feature development Your success is my focus, not just for the initial project but for the long term. Next Steps: Invite me to your project or message me now to discuss your ideas further. I’m offering a FREE strategy consultation call, where you’ll receive: ☝ Expert feedback on your project from an app payments specialist. ✌ Practical advice on development and app growth strategies. ✋ A rough estimate of project costs and timelines. ★★★★★ “It's rare to find somebody with deep knowledge about development, UX design and marketing of mobile apps. Marcin took the time to answer all of my questions and address my concerns. Amazing consultation!” - Viktoriya M. (viktoriyamart) I’m happy to share my expertise and explore how we can collaborate effectively. Contact me today to get started!
    Featured Skill Mobile App Development
    Smartphone
    JavaScript
    Node.js
    Web Application
    React
    NestJS
    Mobile App
    React Native
    Firebase
    iOS
    Android
    User Profile Creation
    Hybrid App Development
  • $40 hourly
    • 4.9/5
    • (3 jobs)
    Results-oriented, organized, collaborative, and highly skilled iOS developer with 7+ years of experience and a great sense of responsibility. Highly experienced in building apps for iOS, iPadOS, tvOS, etc. I can be responsible for the entire development process, from the creation of the idea, creating a development strategy, product MVP development, and testing, all the way to the final release of the application on the App Store and further maintenance. On a wider scope, I have substantial experience in Android development, Web technologies, and DevOps. This makes me a very good team player, able to understand and collaborate well with other mobile developers as well as Backend and DevOps Engineers.
    Featured Skill Mobile App Development
    iPad App Development
    tvOS
    Tablet
    Map Integration
    iOS
    Apple Xcode
    Android
    iOS Development
    Android Studio
    RxSwift
    Swift
    Java
    Android App Development
    Kotlin
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