Java

I’m looking for an engineer who can build a full Android-based operating system for a new line of mobile devices. This goes well beyond theming or app-level tweaks—I need the entire stack compiled, optimized and ready to flash on prototype hardware... (Budget: $15 - $25 USD, Jobs: Android, Android App Development, Android SDK, Embedded Systems, Java, Linux, Mobile App Development, Ubuntu)

I need an Android-only social networking app built from scratch, complete with a clean material-design interface, user authentication, profile creation, real-time posting, and a basic messaging feed. The... (Budget: ₹750 - ₹1250 INR, Jobs: Android, Android App Development, Android Studio, Backend Development, Java, Kotlin, Mobile App Development, PhoneGap)

I need an experienced developer to code an algorithmic trading strategy for Forex on Interactive Brokers. Key requirements: - Experience with Forex trading - Proficiency in coding for Interactive Brokers... (Budget: ₹1250 - ₹2500 INR, Jobs: Algorithm, API Development, C++ Programming, Financial Analysis, Java, PHP, Python, R Programming Language)

I need a lightweight chat-style messenger built specifically for Android so I can read incoming messages and send quick replies from the same screen. At this stage I only require the core one-to-one text... (Budget: min $50 USD, Jobs: Android, Android App Development, App Development, Java, Kotlin, Mobile App Development, Mobile Development, XMPP)

I’m putting together a brand-new SaaS product aimed squarely at fellow developers. The front end will be in React (hooks, functional components, TypeScript preferred), the back end in Node with an Express or Nest.js layer, and everything will be wired to a cloud-hosted database... (Budget: $30 - $250 USD, Jobs: Full Stack Development, Java, Nest.js, Node.js)