Top Tech Jobs & Startup Jobs in London

2 Days AgoSaved
In-Office
London, Greater London, England, GBR
Junior
Junior
Fintech • Cryptocurrency
Manage end-to-end exchange onboarding and connectivity: coordinate internal teams and external exchanges, configure APIs and credentials, run pre-go-live testing, maintain integration tracking, handle post-launch upgrades and incident escalation, and produce venue documentation.
Top Skills: FixJIRALinearNotionPythonRestWebsocket
6 Days AgoSaved
In-Office
London, Greater London, England, GBR
Mid level
Mid level
Fintech • Cryptocurrency
Build and maintain low-latency trading systems: OMS, feed handlers, strategy execution, and exchange connectivity. Focus on networking, fast binary parsing, latency optimisation, benchmarking, and production resilience for HFT trading.
Top Skills: Async RustBare-Metal RustBenchmarkingBinary Protocol ParsingC++DpdkFix ProtocolKernel Bypass NetworkingLatency ProfilingLock-Free Data StructuresRdmaRustSocket ProgrammingSynchronous RustWait-Free ConcurrencyWebsocket
6 Days AgoSaved
In-Office
London, Greater London, England, GBR
Senior level
Senior level
Fintech • Cryptocurrency
Lead design, build, and operate exchange feed handlers; manage go-lives, staging, testing, and post-launch support; debug production connectivity across protocols; set integration standards; mentor engineers and contribute to HFT infrastructure where connectivity and execution overlap.
Top Skills: Ai Code GenerationAi Harness EngineeringC++FixHft InfrastructureHTTPItchKernel-BypassLow-Latency DevelopmentMulti-Feed AggregationOuchRustTcp/IpWebsocket (Ws)Zero-Copy
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