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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Developer - Trading Platform - **Company:** Interactive Brokers - **Location:** Greenwich, CT, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Flutter, Java (Programming Language), Business Logic, Architectural Patterns, Build Automation, Unit Testing, Code Review, Software Design Patterns, Linux, Gradle, Object-Oriented Software Development, Qt Modeling Language (QML), Qt (Software), Software Engineering, WebSocket, Multithreading, Concurrency, Ios Frameworks, Software Troubleshooting, Backend, Git, Information Technology, Low Latency, Code Testing, React Native, Software Version Control - **Published:** August 1, 2026 - **Apply:** https://www.dice.com/job-detail/23e59184-149d-43c4-a67f-2f7adc7c2ed4 ## About the Role * Master's degree in Computer Science or a related field with a minimum of 3 years of professional software development experience, or a Bachelor's degree in Computer Science or a related field with a minimum of 5 years of professional software development experience. * Strong proficiency in Java, with a deep understanding of object-oriented programming and software design patterns. * Solid software development fundamentals, including writing clean, maintainable, well-tested code and producing clear documentation. * Working knowledge of multithreading and concurrency, with an appreciation for lean, low-latency programming. * Proficiency with Git for source control and collaborative development. * Strong analytical and problem-solving skills, with the ability to troubleshoot complex technical issues across a large codebase. * Excellent verbal and written communication skills. To be successful in this position, you should be: * Experience with declarative, state-driven UI frameworks (React Native, Flutter, QML, etc.); prior Qt/QML experience is a plus, but genuine interest in learning it is equally valued. * Prior work on financial trading platforms and familiarity with instruments such as stocks, futures, and options, or a strong interest in learning the domain. * Exposure to Linux as a development or deployment environment. * Working familiarity with Gradle as a build automation tool. * Awareness of AI-assisted development tools such as Claude Code and other agentic coding tools. * Comfortable working within an established codebase, following existing architectural patterns, team conventions, and development protocols. * Able to ramp up quickly on a mature platform and deliver incremental value while respecting existing design decisions. * Flexible and pragmatic, with the judgment to know when to follow precedent and when to raise a well-reasoned alternative. * Self-motivated and able to handle tasks with minimal supervision in a fast-paced team. * High-ownership mindset, taking features from design through delivery and standing behind their quality. * Outstanding organizational and time management skills. ## Description * Design, develop, and maintain features across the trading application, with a primary focus on the Java business layer. * Integrate with backend services over REST, WebSockets, and FIX to deliver responsive, reliable functionality to end users. * Participate in the full software development lifecycle, including design, implementation, unit testing, code review, and ongoing maintenance of the features you deliver. * Collaborate with business analysts, product managers, and other developers to translate requirements into high-quality software. * Write and maintain clear technical documentation for the code and designs you produce. * Investigate and resolve complex technical issues across the stack. * Stay current with relevant tools, libraries, and techniques that can improve the platform. ## Related Videos - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Modular Secrets to Lightning-Fast Android Builds](https://www.wearedevelopers.com/videos/1428-modular-secrets-to-lightning-fast-android-builds) - [Microservices architecture as a key element in building trading systems for global finance markets](https://www.wearedevelopers.com/videos/1196-microservices-architecture-as-a-key-element-in-building-trading-systems-for-global-finance-markets) - [Give your build some love, it will give it back!](https://www.wearedevelopers.com/videos/514-give-your-build-some-love-it-will-give-it-back) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) ## Related Articles - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Is Software Engineering Hard?](https://www.wearedevelopers.com/magazine/448-is-software-engineering-hard) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [Navigating the AI Shift](https://www.wearedevelopers.com/magazine/629-navigating-the-ai-shift)