Algo Java Developer
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Summary
An algorithmic Java developer builds and maintains high-performance, event-driven Java (and/or C++) backend systems for equities trading and financial markets, working across the full development lifecycle with business and tech stakeholders. Core skills span multithreading, low-level networking, Linux internals, JVM tuning, and financial-markets domain knowledge.
Development
- Design, develop and maintain Java-based backend applications for equities trading and financial markets.
- Build and enhance high-performance, event-driven trading systems across the full software development lifecycle, from requirements through deployment.
- Work closely with business and technology stakeholders to deliver robust solutions for trading and market-facing applications.
Requirements
- Strong experience developing large-scale, complex event-driven / reactive systems, including fault-tolerant and globally distributed applications with high-frequency message and event workflows.
- Strong Java and/or C++ development experience building high-performance systems, with solid knowledge of multithreading, concurrency, networking and data structures & algorithms.
- Good understanding of financial markets and instruments, ideally across Equities, FX, Derivatives, Commodities or Risk.
- Experience working on trading systems, order processing, market data, trade capture or execution-related applications is highly relevant.
- Strong focus on code quality, testing and delivering production-ready solutions within Agile / TDD environments.
- Good knowledge of CPU/GPU architecture, memory management, shared memory / memory-mapped files, TCP/UDP and Linux internals.
- For Java developers, knowledge of JVM internals, GC, JNI, Java Unsafe and JNR-FFI is advantageous.
- Knowledge of Aeron is preferred.
- Degree in Computer Science, Engineering, Physics, Mathematics or a related technical discipline.