Jobs at Reactive Markets

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C++ Software Engineer
2 weeks ago
Reactive Markets · Singapore
HybridFull-timeEngineering
We're looking for a C++ Software Engineer who wants to build low-latency trading infrastructure on Linux. You'll work on the core components of our Switchboard trading platform — pricing engines, connectivity gateways, market-data systems, and the messaging layer that ties them…
Technical Delivery Analyst
2 weeks ago
Reactive Markets · United Kingdom
RemoteFull-timeEngineering
We're hiring the first dedicated Technical Delivery Analyst. You will own the delivery of software projects end-to-end — from requirements through to production — working alongside engineers to ensure work lands on time, risks are visible, and stakeholders always know where…
Senior Infrastructure Engineer
2 weeks ago
Reactive Markets · United Kingdom
RemoteFull-timeSeniorEngineering
We’re looking for a Senior Infrastructure Engineer to help run and grow the network and cloud estate behind our trading platform. Networking in our colocation data centres is the core of the role. The estate spans London, New York and Singapore, and from Q1 2027 a new Tokyo…
Senior Frontend Engineer
2 weeks ago
Reactive Markets · United Kingdom
RemoteFull-timeSeniorEngineering
We're looking for a senior full-stack engineer to build the trading platform our clients use every day. Despite the "frontend" name, this is not a UI-only role — our Frontend team works across the whole application stack in TypeScript and Rust, from the trader-facing interfaces…
Senior C++ Software Engineer
2 weeks ago
Reactive Markets · United Kingdom
RemoteFull-timeSeniorEngineering
We're looking for a Senior C++ Software Engineer who can shape the technical direction of our Switchboard trading platform while continuing to write excellent code. You'll work on the most performance-critical components — pricing engines, connectivity gateways, market-data…
Operations Engineer
2 weeks ago
Reactive Markets · New York, United States
HybridFull-timeEngineering
As an Operations Engineer, you will ensure the stability, performance, and availability of the Reactive trading platform. This is a hands-on, technical operations role — focused on production systems, infrastructure, and trading workflows rather than client relationship…
FIX Onboarding & Client Services
2 weeks ago
Reactive Markets · London, England, United Kingdom
HybridFull-timeMid levelCustomer success & support
We are seeking a motivated and technically curious Onboarding and Client Services professional to join our London team. This role will focus on FIX client onboarding, integrations, and client service delivery across FX, equities and digital assets. The successful candidate will…
C++ Software Engineer
2 weeks ago
Reactive Markets · United Kingdom
RemoteFull-timeEngineering
We're looking for a C++ Software Engineer who wants to build low-latency trading infrastructure on Linux. You'll work on the core components of our Switchboard trading platform — pricing engines, connectivity gateways, market-data systems, and the messaging layer that ties them…

Updated 06 Nov 2026 09:37 UTC from the OptiTalent job library.