Senior Frontend Engineer

Reactive Markets Is this your company? Claim it · Remote (Remote) · Full-time

Description

Senior Frontend Engineer Remote (UK-based) | Full-Time About Us Reactive Markets is the 2026 OTC Trading Platform of the Year (Risk.net). Our network handles over $75 billion in daily trading volumes across FX, Equities, and Cryptocurrency, connecting 60+ of the world's leading liquidity providers. We build trading systems that operate at the edge of what's technically possible — where nanoseconds matter and a dropped message costs real money. Our engineering team is small, senior, and deeply invested in the craft of building cutting edge, reliable, high-performance systems. The Role 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 down to the services behind them. It's distinct from our Backend team, who own the low-latency C++/Go trading engine. This is a senior individual contributor role for someone who takes on the hardest problems and delivers them under their own steam. You'll own complex, ambiguous, performance-critical work end-to-end — designed…

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Questions about this job

Where is this Senior Frontend Engineer job located?

It is listed as Remote (Remote), so it can be done from home.

Who is hiring?

The employer shown on the listing is Reactive Markets.

What is the salary?

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Is it full-time or part-time?

The listing type is Full-time.

When was this job posted?

It was posted on 11 November 2026. Jobs that stay open too long are closed automatically, so apply soon if you are interested.

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