Build high-performance Java and Rust trading software with State Street’s EFX Boston team as a senior full-stack developer. Solve complex problems across global platforms.
This senior eFX developer creates current functionality alongside a global team delivering bespoke FX trading solutions. The work spans mesh-based service-oriented platforms across multiple data centres, supporting globally traded FX. Success requires detailed knowledge of FX Spot, Forward, Swap, Benchmarks, and eNDF trading, plus clear communication with technical and non-technical audiences.
Key Responsibilities: Develop new eFX functionality alongside global team peers
Write high-performance Java and Rust code
Support bespoke trading solutions for global FX markets




Solve business-facing problems quickly under pressure
Contribute to multiple releases amid tight deadlines
Requirements: Ten-plus years in automated trading at a bank or hedge fund
Fifteen-plus years of finance development experience
In-depth FX Spot, Forward, Swap, Benchmarks, and eNDF knowledge
Experience with large-scale global mesh-based platforms
Bachelor of Science degree or similar
Apply senior Java, Rust, performance computing, and FX trading expertise to State Street’s expanding EFX platform.

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📌 Senior Java Rust eFX Developer (Ontario)
🏢 State Street
📍 Ontario