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Junior Backend Engineer
Junior backend engineer at a UK fintech startup building an AI-powered autonomous savings app; writes Java/Spring services on AWS, works with Kafka/event sourcing, and contributes to APIs and ledger systems.
React Native Developer
Build and maintain mobile banking apps using React Native, TypeScript, and Redux, ensuring accessibility, security, and performance for millions of users.
Software Developer
Builds clean, maintainable software across web, mobile, and embedded systems for complex client projects in finance, automotive, media, and IoT.
Contract: Senior/Lead Frontend Engineer
Senior/Lead Frontend Engineer builds and maintains high-performance web apps using Vue.js/React/Angular, integrates with backends, and ensures scalability and accessibility for Upwork’s global work marketplace.
Software Development Engineer - Kotlin/Android Dev
Builds and maintains Android apps in Kotlin, integrating AI features and cross-platform frameworks like KMP/Flutter for Motorola Mobility devices.
Pessoa desenvolvedora android [pleno]
Desenvolve aplicativos Android usando Kotlin/Java, Firebase e padrões como MVVM, além de escrever testes e manter sistemas legados.
Pessoa desenvolvedora android (júnior)
Build and maintain Android apps using Kotlin/Java, Firebase, and REST APIs; write unit/UI tests and follow agile practices in a client-facing team.
Programador(a) Fullstack Pleno (Flutter / Golang)
Builds high-performance Flutter and Go apps, writing and testing code, collaborating on features, and ensuring clean, maintainable systems.
DEVELOPER MOBILE IOS/ANDROID (Pl, Sr & Spec) | São Paulo
Build and maintain Inter’s native iOS/Android Super App, implementing features with Swift/Kotlin, ensuring high availability and low latency while shaping mobile architecture decisions.
Software Development Engineer II, Android, Maps SDK
Build and maintain Mapbox’s Android Maps SDK, crafting clean APIs and testing frameworks for developers to create immersive mapping experiences.
Malware Reverse Engineer (Android) - UK
Reverse engineer and analyze obfuscated Android apps to uncover malicious behavior, develop detection rules, and improve security tooling for a cybersecurity consultancy.
Malware Reverse Engineer - Android
Reverse engineer and analyze obfuscated Android apps to uncover malicious behavior, develop detection logic, and build custom tooling for a cybersecurity consultancy.
Android Developer
Lead Android engineering for a global tech firm, shaping mobile architecture and embedding AI-first practices while mentoring teams and driving best practices in Kotlin and Jetpack Compose.
Lead Frontend Engineer
Lead Frontend Engineer at Ember building React/TypeScript apps for passengers, drivers and internal teams while shaping the frontend stack and architecture for a fast-growing climate-tech mobility startup.
Graduate Frontend Developer in London - Graduate Recruitment Bureau
Build and maintain user-facing web apps using modern JavaScript frameworks like React or Vue, with TypeScript and Node.js tooling.
Mobile Application Developer
Build and maintain a global mobile app in Flutter that onboards 250k new users monthly, ensuring smooth cross-platform UX and seamless backend integration.
Senior/ Lead Mobile Applications Developer
Lead development of high-performance video communication apps for iOS and Android using React Native, WebRTC, and native toolkits; mentor engineers and drive cross-platform architecture.
Lead Mobile Developer: Flutter Migration & Team Lead
Lead a team to migrate a mobile app from Xamarin to Flutter and mentor developers while building cross-platform apps for Android and iOS.
Early Career - Mobile Developer
Build and maintain mobile apps using React Native, Flutter, Swift, or Kotlin while collaborating with cross-functional teams to deliver user-focused features.
Mobile Application Developer (Outside IR35 contract | c. £500 per day)
Build a new mobile app and SDK from scratch for an IoT business, focusing on BLE/NFC activation and background scanning using Kotlin, Swift, and Flutter.