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# Senior Software Engineer

- **Company:** Harrington Starr
- **Location:** Newcastle upon Tyne, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Algorithmic Trading, Application Performance Management, C Sharp (Programming Language), Encodings, Computer Programming, Distributed Systems, Fault Tolerance, Multithreading, .NET Core, System Availability, Concurrency, Event Driven Architecture, Low Latency
- **Published:** September 9, 2026
- **Apply:** https://www.collegerecruiter.com/job/2847387154-senior-software-engineer

## About the Role

* Contribute to the technical strategy of a fast-growing trading platform.
 * What you need:10+ years of relevant Microsoft tech development experience within Trading systems environment.
 * Excellent core .NET and C# skills and exceptional knowledge of concurrency and multithreaded programming.
 * Proven experience developing low latency pricing and trading systems including event driven architecture.
 * Strong application performance profiling and optimisation skills.
 * Experience working in a low latency, zero GC environment (eFX or similar a strong plus).
 * Knowledge of institutional encodings (FIX, SBE) and low latency messaging (e.g. Aeron, 29West).
 * Familiarity with fault tolerant, high availability, distributed computing.
 * A right to work in the UK without sponsorship.



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