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Hire the best Java Developers in Kitchener, ON

Check out Java Developers in Kitchener, ON with the skills you need for your next job.
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Clients rate Java developers
Rating is 4.8 out of 5.
4.8/5
based on 206 client reviews
  • $35 hourly

    • 5.0/5
    • (11 jobs)
    Excellence in C, C++, JAVA, JavaScript, Typescript, PHP, MySQL, Firebase, Android, IOS, Ionic, React Native. Experience with Mobile: - Expertise in Native and Hybrid Android/IOS App Development - Java, Kotlin, XML, Swift, Objective C, SwiftUI, Ionic, React Native, Flutter - Experience in Maps, GPS, BLE connection and data transfer with different gadgets, Payment Gateways Integration, Chat, File Management, API Integration, Push Notifications, SQLite, Core Data, Synchronization, Google Fit Integration, Health App Integration and more. - Deployment on Play Store and App Store Experience with Web: - AngularJS, Ionic, React, Laravel, Codeigniter, jQuery, Firebase Hosting - MySQL, Firebase DB Experience with Server-side Programming: - Core PHP, Codeigniter, NodeJS, Firebase Cloud Functions - MySQL
    Featured Skill Java
    Location-Based Service
    User Authentication
    Android
    Flutter
    iOS Development
    React Native
    Ionic Framework
    Android App Development
    API Integration
    MySQL
    JavaScript
    PHP
    AngularJS
  • $45 hourly

    • 5.0/5
    • (12 jobs)
    I speak English, Deutsch, Français, Español and Português fluently (all languages certified). As ChatGPT expert, I can help you integrate your platform with chatGPT, as I can provide extensive knowledge about prompts, completions, chat completions and fine-tuned models. As AWS Certified Solutions Architect, I can offer a wide range of AWS product developments and integrations. Today, I am running my own company Cloudnonic Corp. We specialize in cloud developments and offer programming in many different programming languages and technologies. Given my business, financial and technical background, I also offer technical business consulting. If you need advise in technical topics, analyze what makes best sense from a business standpoint, or have support in speaking with developers, feel free to reach out. Having studied in 5 different languages and lived in 5 countries made me fluent in 5 languages. I have a solid professional experience from 3 different continents. I worked in Securitization & IT at Crédit Agricole - Corporate and Investment Bank in New York City. In Medellín, I was the Head of Engineering at Ubidots, an innovative IoT Startup. I have my own app launched to the Apple App and Google Play Store. I experienced a steep learning curve bringing my idea to life, engineering the solution in code, building and launching the app. I have extensive knowledge in the following areas: - AWS Universe, serverless srchitecture ,API Gateway, Lambda, Cognito, IAM, STS, SNS, AppSync, DynamoDB, S3, AppSync, IoT Core, CloudWatch, and many more - React Native / React - JavaScript and TypeScript - Java - Python - Kotlin - Django - Node.js - Docker - Unit and Integration Tests - Android Development - GraphQL - SQL In my free time, you’d see me doing CrossFit or playing golf with friends. My colleagues and friends consider me a positive and ambitious person, somebody who has a sense of humor. I have a deep desire to learn, and I endeavor to make my clients happy by solving their most challenging problems to have a lasting, meaningful, and positive impact. You are welcome to contact me!
    Featured Skill Java
    AWS Lambda
    React
    Django
    ChatGPT
    Python
    Android App Development
    Amazon S3
    Git
    Node.js
    IT Consultation
    React Native
    Kotlin
    Artificial Intelligence
    JavaScript
    Amazon Web Services
    DevOps
  • $50 hourly

    • 5.0/5
    • (2 jobs)
    I am a passionate full-stack Java/Java EE Developer with 15+ years of professional experience. My areas of expertise include developing and deploying Java applications. I have worked with most Java technologies and versions. Starting from JAVA 1.2 to Java 21. From J2EE to JAVA EE 5,6 and 7. I have deployed applications successfully in AWS using Docker and Kubernetes. I am equally passionate about DevOps. I have maintained build and deployment scripts for most of my projects. ✅Java ✅Springboot ✅Spring Framework ✅Java EE ✅J2EE ✅Docker ✅Kubernetes ✅REST ✅SOAP ✅Webservices ✅JPA ✅EJB ✅Jenkins ✅Circle CI ✅Linux ✅Groovy
    Featured Skill Java
    J2EE
    API
    Continuous Integration
    React Native
    React
    Jenkins
    API Development
    RESTful API
    JavaScript
    Spring Boot
    Spring Framework
    Kubernetes
    Amazon Web Services
    Docker
  • $35 hourly

    • 5.0/5
    • (5 jobs)
    Android/iOS Warrior. Custom UI Expert. I pay extreme attention to app architecture and UI quality - my works are quick to respond, have a beautiful look, and have awesome support. Have a high level of self-organization. Up-to-date with latest Development trends, techniques, and technologies. Worked with Startups and small/medium businesses​. Skills

: • Android development • iOS development • MVP & Prototyping • Social media development Technical Skills: • Java/Kotlin/Swift languages • Firebase services • Geolocation, Google Maps expert • App monetization​ Do you have an interesting project? — Let’s do it amazing together. keywords UI, UX, user interface, user experience, mobile development, app development, ios development, material design, prototyping, layout, animation, android development, MVP, Google maps, monetization, geolocation, Firebase, social media, Android studio, Xcode.
    Featured Skill Java
    Android App Development
    Google Maps API
    Android
    iOS
    Android SDK
    Swift
    Firebase
    Chat & Messaging Software
    Payment Functionality
    Mobile App Development
    iOS Development
  • $40 hourly

    • 5.0/5
    • (11 jobs)
    ◆ 8+ Years of experience in Mobile Application Development ◆ I pride myself on providing the highest quality of work and delivering projects with the client's 100% satisfaction. ◆ What I can deliver: ⟢ React Native Application and Core Android Application Development ⟢ App optimization & App bug fixes ⟢ Clone any website to a Native Android Application with 99.99% same UI ⟢ 100% same native UI design from Adobe XD Wireframe ◆ Here is my area of expertise: ⟢ Android development ⟢ React Native Development ⟢ Web Service: REST API, Google API, JSON ⟢ Source Control Tool: Github, Bitbucket ⟢ Project Management Tool: Jira, Trello ⟢ Extra Skills: Push notification, deep-linking, In-App Purchase, Google Ad integration, Firebase Integration, Social Media Login, Photoshop, Adobe XD, WordPress Website Development ◆ Here are my skilled programming languages: ⟢ Java ⟢ Kotlin ⟢ React Native ⟢ HTML5 ⟢ CSS3 ⟢ MYSQL ⟢ MongoDB I am looking forward to developing a long-term partner relationship.
    Featured Skill Java
    Git
    Payment Functionality
    Android
    Firebase Realtime Database
    JavaScript
    Firebase
    Redux
    React Native
    Google Maps API
    TypeScript
    Mobile App Development
    Google Cloud Platform
    Android SDK
  • $5 hourly

    • 5.0/5
    • (2 jobs)
    My passion is creating carefully crafted software. From beautiful UIs, to clean extensible code, I believe everything needs to be perfect. The services I provide are web development and scalable backend development.
    Featured Skill Java
    Google Cloud Platform
    React
    Node.js
    ExpressJS
    Apache Kafka
    Requirements Specification
    Kubernetes
    API
    Spring Framework
    Python
    Docker
    MySQL
  • $60 hourly

    • 0.0/5
    • (0 jobs)
    As a dedicated Data Engineer, I specialize in data pipeline design, cloud computing, and big data processing. I have a proven track record of delivering scalable and impactful data solutions using a variety of tools and technologies, including Apache Kafka, PySpark, and cloud platforms such as AWS, Azure, and Google Cloud Platform (GCP). My expertise encompasses building optimized ETL workflows, managing data lakes and warehouses, and leveraging cloud-native architectures to support business-critical insights and analytics. In addition to my data engineering focus, I bring strong software development skills, enabling me to design and implement scalable systems that align with modern data-driven applications. My experience spans multiple industries, including finance, healthcare, and e-commerce, where I have consistently delivered high-performance solutions. Key Expertise: Data Engineering: Skilled in building and automating ETL pipelines using various tools, including AWS Glue, Azure Data Factory, and Google Cloud Dataflow. Big Data Solutions: Proficient in Apache Kafka, Spark, Hadoop, and Hive for real-time and batch data processing. Cloud and DevOps: Expertise in cloud platforms (AWS, Azure, GCP) and CI/CD pipelines using tools like Azure DevOps, Jenkins, and Google Cloud Build. Data Warehousing & BI: Hands-on experience with data warehousing solutions and BI tools such as Snowflake, BigQuery, Power BI, and Tableau to deliver actionable insights. Scalable System Design: Proficient in developing cloud-based microservices for data processing and analytics platforms. Tools and Technologies: Programming: Python, SQL, Scala, C# Big Data Frameworks: Spark, Kafka, Hadoop, Hive Cloud Platforms: AWS, Microsoft Azure, Google Cloud Platform Databases: SQL Server, PostgreSQL, MongoDB DevOps Tools: Azure DevOps, Jenkins, Docker, Kubernetes Career Highlights: Designed and deployed an end-to-end data pipeline, reducing data processing time by 30%. Migrated legacy systems to a modern cloud-based data platform, leveraging Apache Kafka and Spark to improve processing efficiency by 40%. Implemented optimized databases, enhancing query performance and data visualization capabilities by 20%. Built a scalable data lake architecture on GCP, enabling real-time analytics and seamless integration with various BI tools.
    Featured Skill Java
    AWS Lambda
    Snowflake
    Databricks Platform
    Microsoft Azure SQL Database
    C#
    Python
    SQL
  • $35 hourly

    • 0.0/5
    • (0 jobs)
    Senior Mobile & Backend Developer | Flutter | Kotlin | .NET | Spring Boot I am a results-driven Mobile & Backend Developer with 4+ years of experience in building high-performance applications for startups and enterprises. My expertise spans across Flutter (Dart), Android (Kotlin/Java), .NET, and Spring Boot, allowing me to develop scalable cross-platform applications and robust backend systems. Key Achievements: ✔ Optimized BLE communication in Android SDK – Improved connection reliability by 60% through critical bug fixes and performance enhancements. ✔ Enhanced API response times by 40% – Engineered and optimized backend APIs using Spring Boot & MyBatis, ensuring seamless user experience. ✔ Migrated Java-based SDK to Kotlin, improving execution time by 15% and reducing technical debt by 25%. ✔ Developed & launched a Flutter-based POS system, streamlining order management for B2B clients and increasing operational efficiency. ✔ Designed a Universal Robotic Operating System (urOS) based on Debian, showcasing expertise in OS development and system modularity. 💡 What I Offer: ✅ Mobile App Development (Flutter, Kotlin, Swift, Android, iOS) ✅ Backend Development (.NET Core, ASP.NET, Spring Boot, Node.js) ✅ API Development & Optimization (GraphQL, REST, MySQL, MongoDB) ✅ Cloud Deployment & DevOps (AWS, Azure, Google Cloud, Docker, Jenkins) ✅ Agile Development & Best Practices (TDD, CI/CD, GitHub Actions) If you're looking for a skilled developer to build, optimize, or scale your application, let’s connect!
    Featured Skill Java
    Android
    iOS
    Figma
    ASP.NET
    Spring Boot
    AWS Amplify
    Android App Development
    Flutter
    Mobile App Development
    Product Development
    Back-End Development
  • $40 hourly

    • 0.0/5
    • (0 jobs)
    5+ years of experience in Software Testing (Automation and Manual) - Testing types : Functional Testing, Black box testing, API testing, UI Testing, Load Testing, ELT testing - Languages : Java, Javascript, Typescript, Python - Tools : Selenium, Playwright, Cypress, Apache Jmeter, Postman, Jenkins, Github, Gitlab
    Featured Skill Java
    Test Case Design
    Git
    GitLab
    Cucumber
    Test Plan
    JavaScript
    Manual Testing
    Automated Testing
    Load Testing
    SQL
    Agile Software Development
    Jira
    REST API
    Selenium WebDriver
  • $80 hourly

    • 5.0/5
    • (7 jobs)
    Here is what my clients say about my work: “Ahsan is an absolute genius. I am incredibly happy with his work. After firing two developers, I was relieved to finally find someone who possessed the perfect combination of skill and speed. Ahsan was able to fix my custom tool in just two days. I was so impressed with his work that I offered him a tip - something I have never done before with any other freelancer. Needless to say, I have already hired him for all my future projects. Thank you so much, Ahsan!” “I'm so happy that I hired Ahsan for my project. He helped me develop a SaaS product from scratch within a month, whereas other freelancers were asking for 2-3 months. He is fast and spends extra time ensuring everything is working fine. I even gave him a $250 bonus, something I've never done before. He is my go-to full-stack developer and I have a lot of projects lined up for him. Feel free to hire him if you need help; you won't regret it. Thanks, man, love you!” “Ahsan has been able to handle every web development task our company sent his way with ease, and on time. Regardless of the complexity, Ahsan has helped us with planning, prototyping and deploying web apps with perfect precision. We definitely endorse his web full-stack development capabilities for any project.” Tech projects that succeed start here: I’m Ahsan, a Full Stack Developer with over 8 years of delivering what clients need—on time, every time. I bring a CTO’s mindset: strategic planning, sharp execution, and zero excuses. Results I’ve Pulled Off: Tool Rescue in 48 Hours: Fixed a broken tool in two days after others flopped, earning a rare tip. SaaS in a Month: Built a working SaaS product in 30 days—others quoted 2-3—plus a $250 bonus. Complex Apps, No Sweat: Planned and deployed web apps for a company, hitting every deadline What Sets Me Apart: Big-Picture Focus: I align with your vision and build a clear roadmap. Efficiency First: Clean code, solid UX, fast turnarounds—I don’t waste time. Tech Range: Front-end (TypeScript, Vue.js), back-end (PHP, MongoDB), stacks (LAMP, T3), CMS (Strapi, Wix)—I handle it all. Process Smoother: APIs, scripting, Zapier—I set up systems that keep things running. Ready to Team Up? I’m all about results and staying sharp in tech. Drop me a message—let’s get your project rolling.
    Featured Skill Java
    Full-Stack Development
    Browser Extension
    AI Model Integration
    AI Development
    AI App Development
    AI Agent Development
    Web Application
    WordPress
    PHP
    API
    CSS
    Web Development
    HTML
    JavaScript
  • $22 hourly

    • 0.0/5
    • (0 jobs)
    Hello! I’m Steeve M. Nazareth, a seasoned Full Stack Developer and User Interface Engineer with extensive experience in delivering high-quality, user-centric software solutions. With a strong foundation in both front-end and back-end technologies, I specialize in creating efficient and scalable applications that enhance user experience and drive business success. Tech Stack and Skills: Languages & Frameworks: Proficient in C#, QML, Qt, C++, Java, JavaScript, React, and NodeJS. Database Management: Skilled in using MongoDB, MySQL, and Firebase to build robust data storage solutions. API Integration: Expert in designing and integrating complex REST APIs for seamless communication between front-end and back-end systems. User Interface Design: Experienced in crafting visually appealing and intuitive user interfaces that ensure a seamless user experience across various platforms. Security & Encryption: Adept at implementing advanced security measures, including data encryption and secure authentication mechanisms. AI and Machine Learning: Equipped with a Master’s degree in Applied Computing with a specialization in AI, I have applied my knowledge to projects involving big data analytics and machine learning, such as developing a Movie Recommendation System using Hadoop. As a dedicated professional, I am committed to leveraging my technical expertise and creative problem-solving skills to contribute to the success of your projects. I am excited about the opportunity to collaborate and bring innovative solutions to your team. Availability: I am available for new projects and I look forward to discussing how I can help you achieve your development goals. Feel free to connect with me to explore how we can create impactful applications together!
    Featured Skill Java
    Qt Framework
    Qt Creator
    XAML
    C#
    JavaScript
    TypeScript
    React
    Flutter
    C
    C++
    Python
  • $25 hourly

    • 5.0/5
    • (1 job)
    I'm a Software Engineer with experience of working on mobile technologies for 3+ years now and involved in back-end tech as well. I have been involved in projects for different industries specifically including FinTech, ERP support, travel and leisure, have worked on dedicated hardwares and hybrid (Flutter) applications. I have been participating in software development processes.
    Featured Skill Java
    MySQL Programming
    Database Administration
    Android Room Persistence
    Git
    ExpressJS
    RESTful API
    Mobile App
    GitHub
    MySQL
    Flutter
    Android App Development
    Node.js
    Android Studio
    Kotlin
  • $28 hourly

    • 0.0/5
    • (0 jobs)
    Results-driven and highly skilled Full Stack Developer with over 3 years of experience in developing robust web applications. Proficient in both front-end and back-end technologies, with a strong understanding of software development principles and best practices. Excels in collaborative team environments, with a passion for creating efficient and user-friendly solutions. Committed to continuous learning and staying up to date with the latest industry trends and technologies. Front-End Development: HTML5, CSS3, JavaScript, jQuery, Bootstrap 4.0, Vue.js, Nuxt.js, React Back-End Development: Node.js, Express.js, Spring Boot, Microservices, Servlets, Java Databases: MySQL, MongoDB, Firebase, PostgreSQL DevOps: Docker, AWS, Heroku, Vercel, Netlify Content Management Systems: WordPress, Prismic.io, Shopify Version Control: Git, GitHub Testing: Jest, Mocha Project Management: Agile, Scrum
    Featured Skill Java
    Shopify
    RESTful API
    Spring Boot
    Microservice
    MySQL
    ExpressJS
    Node.js
    React
    Nuxt.js
    Vue.js
    CSS 3
    HTML5
  • $20 hourly

    • 0.0/5
    • (0 jobs)
    I am an Android developer having experience in working with BLE and IOT devices. In addition, I am good at UI/UX with XML as well as jetpack compose. Worked on and created many projects. + I can do full projects management from start to end alone. + Good at working in team. + have knowledge of versions control. Some of my works are described below. 1) Jeevan Sarthi Gujarat app(capstone project)- used Java as programming language, XML for UI/UX , Asynk Task for api call, Recycler view for UX, php for Apis, Webhosting and database for storing and retriving data. 2) Service app(CRM app for sales, service and production team) - used kotlin as programming languages, XML For UI/UX, Retrofit for API call, Recycler view, postman for api check. 3) Smarthome app(IOT integrated application) - worked on background Services, Mqtt paho, Broadcast receivers. 4) Attendance app ( HR management app) - used jetpack compose for UI/UX ,Room database, Navigation architecture, Attendance logic, leave logic. 5) Testing app(IOT product testing app)- MQTT PAHO, Broadcast receivers, service.
    Featured Skill Java
    AOSP
    JetPack
    Android Room Persistence
    XML
    Proofreading
    Public Speaking
    Writing
    Communication Skills
    Kotlin
    SQLite
    MQTT
    Retrofit
    Android
  • $14 hourly

    • 0.0/5
    • (0 jobs)
    👨‍💻 Your Friendly Neighbourhood Software Developer (& Cybersecurity Enthusiast!) 🚀 With four years of experience as a Software Engineer at Zoho Corp, I’ve mastered the art of coding—and the delicate balance of not accidentally breaking the internet. If you need custom software development that’s delivered on time (and possibly while I’m still wearing my pajamas), you’ve found your guy! When I’m not busy crafting seamless applications, I’m probably battling the dark forces of cyber threats or trying to convince my dog that I'm actually a tech wizard and not just the human who feeds him. Let’s turn your ideas into reality—minus the drama and with a sprinkle of humor! Ready to create something awesome together? 💻✨
    Featured Skill Java
    Apache Ant
    JUnit
    Cybersecurity Tool
    Apache Kafka
    Python
    Apache Tomcat
    Redis
    API Development
    Scripting
    Product Development
    Web Application
    Web Development
  • $25 hourly

    • 0.0/5
    • (0 jobs)
    Experienced Software Engineer with more than 3 years of experience with a demonstrated history of working in the freelancing and outsourcing/offshoring industry. Skilled in Spring Boot,Hibernate, ReactJS, Relational Databases, Core Java, Javascript, and REST API.
    Featured Skill Java
    Android App Development
    Adobe XD
    Docker
    Git
    MongoDB
    MySQL
    JavaScript
    CSS
    HTML
    Node.js
    React
    Responsive Design
    Hibernate
    Spring Boot
  • $20 hourly

    • 0.0/5
    • (0 jobs)
    Hey there! I'm Pranshu, a tech enthusiast with a knack for transforming ideas into reality. 🎓 I hold a Master's in Applied Computing from Wilfrid Laurier University, coupled with a Bachelor's in Computer Science and Engineering from Nirma University. Currently, I'm diving deep into coursework, maintaining a stellar GPA of 3.9/4.0. 🚀 My journey has been marked by impactful projects. For instance, I contributed in a SAC, ISRO-funded project, processing and training Sentinel-1 dataset for Urban Land Use and Land Cover Classification. 💻 Proficient in languages like C/C++, Python, and Java, and tools like Android Studio, XCode and Git, I bring a versatile skill set to the table. Notably, I've developed an Automated Water Irrigation system using IoT and TensorFlow. 📚 I've also left my mark in publications, with a project on automating irrigation being published in a prestigious Springer Journal. 🌟 Recently, I interned as a Software Engineer at eDelta Enterprise Solutions, contributing to the "Alexa Skills development and Chatbot Services" project. My role involved identifying trends and patterns in user behavior, enhancing my skills in service usage analysis.
    Featured Skill Java
    iOS
    AI Code Generator
    Deep Learning
    Machine Learning
    TensorFlow
    Swift
    Python
    C++
    C
  • $35 hourly

    • 0.0/5
    • (0 jobs)
    SUMMARY Skilled and experienced Software Developer with over three years in the IT industry. Expertise in the Insurance domain, with experience working on .NET and SQL and familiarity with Java Spring Boot MVC. Proficient in managing project tasks, version control, and testing. Adept at troubleshooting, debugging, and collaborating with teams to deliver efficient software solutions. PROJECTS * E-COMMERCE SYSTEM: The e-commerce system uses ASP .NET, C#, and SQL, featuring a product catalog, an admin portal for product updates, and a customer login for purchasing and checking availability. * WEBSITE WITH CUSTOM CONTENT MANAGEMENT: The website uses HTML, CSS, JavaScript, Node.js, and MongoDB, with custom content management, an admin panel for managing content, top six content views, and a basic content creation template. * PRODUCT API FOR AN E-COMMENCE SYSTEM: An API created with Java and MongoDB for an e-commerce system pulls product details using IntelliJ IDEA.
    Featured Skill Java
    Agile Project Management
    Web Design Plugin
    Unit Testing
    CI/CD
    Information Security
    Government Reporting Compliance
    DevOps
    Problem Solving
    Compliance
    Database Management
    Database
    SQL
    C#
    .NET Framework
  • $17 hourly

    • 0.0/5
    • (0 jobs)
    I am a Senior Software Engineer with 4+ years of experience specializing in Java development. My expertise includes building scalable, high-performance applications using Java 7, Java 8, and Spring Boot. I am passionate about backend development, problem-solving, and optimizing software solutions for efficiency and maintainability.
    Featured Skill Java
    Web API
    REST API
    JSON
    PrimeFaces
    MySQL
    JavaScript
    Desktop Application
    Web Application
    Product Development
    Web Development
    International Development
  • $20 hourly

    • 0.0/5
    • (0 jobs)
    Android Developer | Kotlin | Jetpack Compose | Flutter | Mobile App Architect With 8+ years in mobile app development, I specialize in building high-quality, scalable Android / Flutter applications using Kotlin, Dart, Java, Jetpack Compose, and Coroutines. My expertise spans end-to-end mobile development, from UI/UX design to backend integration and deployment across diverse industries. 🔹 My Expertise: ✅ Android Development: Kotlin, Java, Jetpack Compose, XML-based UI, custom views ✅ Flutter Development: Dart, cross-platform mobile applications, state management ✅ App Architecture: MVVM, MVP, Clean Architecture, SOLID principles, modular design ✅ Asynchronous Programming: Kotlin Coroutines, Flow, RxJava, LiveData ✅ UI/UX Design: Material Design 3, custom UI components, responsive layouts, animations ✅ API Integration: REST, GraphQL, WebSockets, Retrofit, Ktor, OkHttp, JSON parsing ✅ Performance Optimization: Memory management, debugging, profiling, app size reduction, ANR prevention ✅ Security & Compliance: OAuth, JWT, secure storage, biometric authentication, encryption, ProGuard ✅ Testing & Automation: JUnit, Espresso, Mockito, UI testing, TDD practices, code coverage ✅ CI/CD & Version Control: GitHub, GitLab, Bitbucket, Jenkins, Fastlane, CircleCI, Codemagic ✅ Push Notifications & Firebase Services: FCM, In-App Messaging, Analytics, Crashlytics, Remote Config ✅ Localization & Accessibility: Multi-language support, RTL layouts, voice-over support, dynamic type 🚀 Why Choose Me? 🔹 Proven Track Record: Developed high-traffic apps with 100K+ users, 4.5+ star ratings, featured on Play Store 🔹 Business-Oriented Approach: Aligning development with business goals, KPI-driven development, A/B testing 🔹 Strong Problem-Solving Skills: Debugging and optimizing critical issues, performance tuning, crash analysis 🔹 Excellent Communication: Clear and proactive updates, technical documentation, client presentations 🔹 End-to-End Development: From ideation to app store deployment, ASO, and user acquisition strategies 🔹 Collaboration & Leadership: Cross-functional team experience, mentoring, code reviews, Agile ceremonies 📌 Industries I've Worked In: ✔ Healthcare & Medical: HIPAA-compliant apps, telemedicine features, EHR integration, wearable device sync ✔ Finance & Banking: Secure fintech applications, payment integrations, blockchain implementation, fraud detection ✔ E-Commerce & Retail: Feature-rich platforms, real-time tracking, AR product visualization, loyalty programs ✔ Energy & Utilities: Smart utility management, data visualization, IoT device integration, predictive maintenance ✔ Travel & Tourism: Booking apps, geolocation, interactive maps, offline functionality, virtual tours 💼 Work Experience: Senior Android Developer at Torrent Power: Led team of 4, optimized energy management apps, reduced app size by 30% Software Developer at IT Concepts: Managed multiple startup projects, delivered high-quality apps, 98% client satisfaction Freelance Mobile Developer: Converted ideas into functional apps, provided post-launch support, 20+ successful projects 🔧 Tools & Technologies: 💡 Languages: Kotlin, Java, Dart, C++, Python, JavaScript, SQL 💡 Frameworks: Jetpack Compose, Android Jetpack, Room, Dagger/Hilt, Retrofit, Glide, Coil, ExoPlayer 💡 Cloud & Backend: Firebase, AWS (S3, Lambda, DynamoDB), Google Cloud, Node.js, MySQL, PostgreSQL, MongoDB 💡 Testing: JUnit, Espresso, Mockito, UI Automator, Firebase Test Lab, Robolectric, Detekt 💡 Version Control & CI/CD: Git, GitHub Actions, Bitrise, Jenkins, Fastlane, Gradle, ProGuard, R8 💡 Project Management: Agile, Scrum, Jira, Trello, ClickUp, Confluence, Slack, Microsoft Teams 🌍 How I Work: 📌 Understanding Requirements: Analyzing project scope, providing detailed roadmap and estimates, risk assessment 📌 Agile Development: Iterative model, constant feedback and improvements, sprint planning, daily stand-ups 📌 Quality Assurance: Thorough testing, code reviews, static code analysis tools, continuous integration 📌 Post-Launch Support: Ongoing maintenance, updates, performance monitoring, user feedback integration, A/B testing 💬 Let's Build Something Amazing! Looking for a reliable, skilled mobile app developer? Let's connect! Whether building from scratch, improving existing apps, or fixing issues, I'm here to help. I'm passionate about creating intuitive, high-performance apps that users love and businesses rely on. 📩 Contact me today to discuss how I can contribute to your success! Let's turn your vision into a top-rated mobile app that stands out in the competitive market. 🚀
    Featured Skill Java
    Dart
    Git
    Agile Software Development
    Unit Testing
    Software Architecture
    Mobile UI Design
    UI/UX Prototyping
    Firebase
    REST API
    Mobile App Strategy
    Android
    Flutter
    Android App Development
    Kotlin
  • $10 hourly

    • 5.0/5
    • (7 jobs)
    Experienced software tester with 3+ years of experience and knowledge in manual and automated testing. Competent in test design, planning, and execution to guarantee high-quality software. Proficient in defect tracking, documentation, and cross-functional team cooperation. Attention to detail, adaptability to changing technology, and strong analytical and problem-solving skills. Committed to delivering reliable and user-friendly software solutions. Certifications:- ✅ISTQB Certified. Skills:- - Test Case/Plan & document creation - Bug reporting & tracking - Functional testing - Regression testing - Integration testing - System Testing -Adhoc Testing - UI/UX testing - Cross-browser testing - Exploratory testing - Test management - Manual testing -Automation Testing with Selenium Webdriver & Java - Writing bug reports in Jira, Bugzilla, Zephyr, Instabug, Excel - Improving the product quality - Testing and writing bug reports -Experience in working with projects using development methodologies like Agile and Waterfall methods. -Knowledge of API Testing and SQL. -Experience working with Vercel and Figma. -Experience taking screenshots via Lightshot. How Can I Help:- - I will make sure users will have a good user experience. - Will enhance the quality of the software application. - Delivering quality applications within the timeline.
    Featured Skill Java
    Usability Testing
    Exploratory Testing
    Bug Reports
    Software Development
    Test Case Design
    Test Automation
    Quality Assurance
    Test Plan
    Selenium WebDriver
    Sanity Testing
    Postman
    Smoke Testing
    Jira
    Software Testing
  • $20 hourly

    • 0.0/5
    • (0 jobs)
    “I’m a developer with experience in building websites for small and medium sized businesses. Whether you’re trying to win work, list your services or even create a whole online store – I can help! I’m experienced in HTML and CSS , JS and have ability to build a dynamic website. I’ll fully project manage your brief from start to finish
    Featured Skill Java
    Python
    PHP
    C++
    JavaScript
    C
    HTML
    MySQL
    CSS
  • $20 hourly

    • 0.0/5
    • (0 jobs)
    A results-driven, customer-focused with a broad technical skill set, Team Leader. Known for ability to multi-task and thrive in environments that constantly embrace new technologies. Strong in System design, problem-solving skills, and web development, all layers, from database to services to user interfaces. Specializing in Java, Spring Boot, Bash, Hibernate, Microservices, Cucumber, Agile, Python, FastAPI, React, NodeJS, Kafka, Elasticsearch Domain experience: Fintech, Data & Security, Pharma, Mobile client Benefits of working with me: • 100% Quality work • 10+ Industry experience for Software Development • Led projects for fortune 500 clients (Splunk, Netskope, ServiceNow) • Reliable for long-term relationship • Fast turnaround and delivery On Time • Round-the-clock support to handle queries and doubts • 100% customer satisfaction guarantee • Available for post-delivery technical support and maintenance • Expert project management with Agile methodology
    Featured Skill Java
    RESTful API
    Apache Kafka
    Elasticsearch
    Agile Software Development
    Agile Project Management
    Docker
    NodeJS Framework
    Python
    React
    Amazon Web Services
    Microservice
    FastAPI
    Spring Boot
  • $20 hourly

    • 0.0/5
    • (0 jobs)
    I'm a self-driven Full Stack Developer with a strong passion for building web based platforms and mobile applications with modern UX/UI design. With over 5 years of professional experience as a Developer I am dedicated to providing top class design with effective communication to ensure you get the product you envisioned. If you're looking for a skilled developer who can deliver top-notch websites or mobile applications, then look no further! Let's discuss your project requirements and get started. What I can do for you: ✅ React, React Native ✅ Javascript, Typescript ✅ Python ✅ React State Management (Redux, React Query, Apollo Client) ✅ Worked using Agile (Scrum Methodology) with the latest tools (Jira, Azure, Git, Slack, etc) ✅ GraphQL / REST API ✅ UI Libraries (Material UI, Mantine UI, etc) ✅ HTML, CSS, SCSS ✅ Wordpress
    Featured Skill Java
    Excel Macros
    Microsoft Excel
    Back-End Development
    Front-End Development
    Software
    React Native
    WordPress
    React
    HTML
    Django
    SQL
    CSS
    Python
    JavaScript
  • $30 hourly

    • 0.0/5
    • (0 jobs)
    Hi, I'm Mohammed Sohail Ahmed, a passionate and detail-oriented software developer with expertise in Python, Java, C++, and JavaScript. I have experience in web and mobile app development, cybersecurity, AI/ML, and distributed systems. With a strong background in automation testing, cloud computing, and backend development, I specialize in building scalable, high-performance applications. Whether you need a custom software solution, API development, or AI-driven applications, I'm here to help! Let's collaborate and bring your ideas to life.
    Featured Skill Java
    Data Analysis
    API
    Manual Testing
    Selenium
    Firebase
    MongoDB
    MySQL
    Node.js
    React
    TypeScript
    JavaScript
    Python
    Software Development
    Quality Assurance
  • $20 hourly

    • 0.0/5
    • (1 job)
    I'm a developer experienced in building websites. I also have experience in building websites and microservices. I also have experience with devops, docker, helm charts.
    Featured Skill Java
    Social Media Design
    PostgreSQL
    SQL
    Docker Compose
    QA Testing
    Web Development
    CI/CD
    Google Cloud Platform
    GitLab
    Kubernetes
    Docker
    Python
    C#
    C++
  • $23 hourly

    • 0.0/5
    • (0 jobs)
    I’m a passionate and dedicated software developer with a solid foundation in programming and problem-solving. I recently graduated from Conestoga College in Software Engineering Technology with excellent grades, where I honed my skills in developing efficient, user-friendly solutions. What I Bring to the Table: Programming Languages: Proficient in Python, Java, C++, C#, and JavaScript, allowing me to tackle diverse development challenges. Database Expertise: Skilled in MySQL and PostgreSQL, ensuring reliable and optimized data management. Web Development: Experienced in creating responsive and dynamic websites using HTML, ASP.NET, and JavaScript. Cloud & Tools: Familiar with AWS and modern development tools for scalable and secure solutions. My Approach: Problem-Solving Mindset: I excel at breaking down complex challenges and delivering creative, practical solutions. Team Collaboration: My experience in projects like Fridge Master and SimpliSupply has sharpened my teamwork and communication skills. I’m excited to help you build your next software project, streamline your processes, or bring your ideas to life. Let’s collaborate to create something impactful!
    Featured Skill Java
    PostgreSQL Programming
    Android App Development
    ASP.NET
    HTML
    JavaScript
    PostgreSQL
    MySQL
    Web Development
    React
    Python
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