Upwork home
Sign up
Secondary

Hire the best Kotlin Developers in Massachusetts

Check out Kotlin Developers in Massachusetts with the skills you need for your next job.
Get started
  • $90 hourly
    • 0.0/5
    • (1 job)
    CAREER OBJECTIVE Dedicated professional with over 15 years of experience in mobile development, incorporating critical thinking, problem solving, and leadership. Results driven, with an appreciation for design, who thoroughly enjoys working with others to collaborate and build best in class apps.
    Featured Skill Kotlin
    Agile Project Management
    Product Development
    API Development
    Apple Xcode
    iOS Development
    Android App Development
    Java
    iOS
    Android
    Swift
    Objective-C
  • $25 hourly
    • 5.0/5
    • (2 jobs)
    I have experience building everything from enterprise level applications to small personal projects. I'm happy to build features, improve existing code or build you a whole new website. Languages : Ruby, Python, SQL, JavaScript, Typescript, Java, Kotlin, jQuery, HTML, CSS, Terraform Tools/Frameworks/Testing : Rails, Django, React.js, Redux, React-Native, Node.js, SpringBoot, Foundation, Bootstrap, RSpec, Capybara, Karma, Jasmine, Enzyme Monitoring : AWS/Amazon Web Services, Cloudwatch, Route 53, EC2, S3, Airbrake, Datadog, Databricks, Google Cloud Storage Additional Tools: Shopify, Wordpress, Wix, SquareSpace Other skills: Design, Illustration, Audio Mixing & Mastering.
    Featured Skill Kotlin
    CSS
    PostgreSQL
    Amazon Web Services
    Google Cloud Platform
    Redis
    Spring Boot
    Java
    TypeScript
    JavaScript
    Ruby
    Ruby on Rails
    Redux
    React Native
    React
  • $95 hourly
    • 0.0/5
    • (0 jobs)
    Dedicated and versatile Software Engineer with over 20 years of experience, specializing in blockchain technologies and full-stack web development. Proven track record in leading multi-disciplinary, internationally distributed teams and implementing innovative software solutions. Accumulated 7 years of hands-on experience with Docker, gaining profound expertise in containerization strategies, Dockerfile composition, and container orchestration.
    Featured Skill Kotlin
    Bash
    Swift
    Amazon DynamoDB
    C
    C++
    Python
    Django
    Angular
    React
    TypeScript
    PostgreSQL
    Next.js
    Node.js
    Golang
  • $70 hourly
    • 0.0/5
    • (0 jobs)
    I’m a developer experienced in building front end through back end websites for large corporations. I come from a background of Neuroscience and would love to work on a data heavy project. I gravitate towards the healthcare field but I’m open to various opportunities. > Back end development in Java based languages > API development > Front end skills > Eye for design and user friendliness > Neuroscience > Detail oriented and thorough
    Featured Skill Kotlin
    Python
    API Development
    Java
  • $70 hourly
    • 5.0/5
    • (2 jobs)
    A very professional mobile engineer with many successfully posted apps to App Store and the market. Using Objective-C, Swift, Java, and Kotlin languages.
    Featured Skill Kotlin
    Raspberry Pi
    Arduino
    Embedded System
    Embedded C
    Verilog
    Raspberry Pi Firmware
    VHDL
    C#
    C
    C++
    Swift
    Objective-C
    iOS Development
    Android App Development
  • $70 hourly
    • 0.0/5
    • (0 jobs)
    I’m a Senior Mobile App Developer with 10+ years of experience delivering high-quality, scalable mobile applications using Flutter and FlutterFlow. I specialize in building modern, responsive, and performance-optimized cross-platform apps for both Android and iOS. Whether you're looking to launch an MVP, modernize an existing app, or integrate backend systems, I can help bring your vision to life with clean architecture and intuitive UI/UX. My focus is on delivering production-ready apps that meet both user and business goals. I work closely with clients to ensure transparent communication, efficient development cycles, and timely delivery. Let’s create something exceptional!
    Featured Skill Kotlin
    Node.js
    Swift
    Third-Party Integration
    Firebase Cloud Firestore
    Responsive Design
    Clean Architecture
    In-App Purchases
    Push Notifications
    GitHub
    REST API
    Firebase
    Dart
    FlutterFlow
    Flutter
  • $20 hourly
    • 0.0/5
    • (0 jobs)
    I'm a full-stack web and Android developer with hands-on experience building dynamic apps using React.js, Node.js, Kotlin, Java, and Firebase. I specialize in crafting scalable web platforms, intuitive mobile apps, and integrating robust backends and APIs. Whether you're a startup needing an MVP or a business looking to expand digitally, I offer complete solutions—from clean UI/UX to secure data handling. I believe in clear communication, timely delivery, and writing clean, maintainable code. Let’s bring your idea to life with reliable, user-centered technology.
    Featured Skill Kotlin
    Android Room Persistence
    Web Development
    Android App Development
    Agile Software Development
    REST API
    Firebase
    MySQL
    ExpressJS
    Node.js
    React
    Java
    JavaScript
    CSS 3
    HTML5
  • Want to browse more freelancers?
    Sign up

How hiring on Upwork works

1. Post a job

Tell us what you need. Provide as many details as possible, but don’t worry about getting it perfect.

2. Talent comes to you

Get qualified proposals within 24 hours, and meet the candidates you’re excited about. Hire as soon as you’re ready.

3. Collaborate easily

Use Upwork to chat or video call, share files, and track project progress right from the app.

4. Payment simplified

Receive invoices and make payments through Upwork. Only pay for work you authorize.

Trusted by 5M+ businesses