FIX Onboarding & Client Services

remote

via Ashby

About this role

FIX ONBOARDING & CLIENT SERVICES, EMEA Hybrid, London, UK (3+ days per week in-office) | Full-Time ABOUT US Reactive Markets is the 2026 OTC Trading Platform of the Year (Risk.net http://Risk.net). Our network handles billions in daily trading volumes across FX, Equities, and Cryptocurrency, connecting 35+ 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 reliable, high-performance systems. THE ROLE We are seeking a motivated and technically skilled Onboarding and Client Services professional to join our London team.…

Read the full description on Reactive Markets's site →

What we'd score you on

reqspace match rubric

Five dimensions, recruiter-grade. Upload your resume and we'll generate a written explanation of where you fit and where the gaps are.

1

Skills match

For this role: python, rest, websocket, splunk, grafana…

2

Level fit

We check your title trajectory against the seniority signal of the role.

3

Domain experience

Your work in the role's domain matters more than your years total. We weight recent and direct experience.

4

Recency

A skill you used last quarter weighs more than one from five years ago. We grade on recency, not lifetime.

5

Location fit

This role is remote-eligible — we factor in your stated location and time-zone overlap.

Score yourself on this role.
Free · no card · written explanation included
See if I'm a fit →

Skills in this role

Pulled from the job description. These are the keywords we'll weight when scoring your fit.

pythonrestwebsocketsplunkgrafanateams

More at Reactive Markets

See all open jobs at Reactive Markets