reactivemarkets - Senior Infrastructure Engineer

• FIX protocol or OTC FX market knowledge • Python for tooling • Working pattern: Infrastructure changes are often scheduled outside trading hours, including weekends, and the team shares an on-call rota. We’re a team with flexible hours, so time worked out of hours is taken back during the week. Day-to-day work is remote, with occasional visits to our data centres, most often in London (Slough). • Real ownership of a live global trading network, hands-on, with few layers of process • A build-out year, with a new Tokyo data centre in Q1 and more growth ahead • A senior seat in a small, expert team where your changes ship and are measured • Competitive package — up to 38 days leave (inc. bank holidays), private health insurance, pension, life insurance, dental/optical cashback, cycle to work, socials and offsites • Remote-friendly working with flexibility around out-of-hours work • Growth as the estate scales • We believe in transparency, honest feedback and writing things down, and we aim to build systems that don’t depend on the heroics of individuals. • Our Hiring Process • We keep our process focused and respectful of your time. Our process follows three stages: • Stage 1: Initial Conversation with Talent Acquisition • Format: Video call, ~30-45 minutes • Stage 2: Technical Deep Dive with our Head of Infrastructure • Format: Video call, interactive session, ~90 minutes • Stage 3: Leadership Conversation with our CDO • Format: Video call, ~45 minutes • What to expect in each stage will be explained by Talent Acquisition if you’re invited to interview. Throughout the process, we aim to keep momentum with no unnecessary delays between stages, and feedback typically comes within a few business days. • Please apply directly via this job posting — all applications, including those submitted via LinkedIn, are managed through our applicant tracking system, so you’ll always land in the same place regardless of where you found this role. • Right to Work: Candidates must have the existing right to work in the UK. We are not currently able to offer visa sponsorship for this role. • Equal Opportunities: Reactive Markets is an equal opportunities employer. We welcome applications from all qualified candidates regardless of age, disability, gender reassignment, marriage or civil partnership, pregnancy or maternity, race, religion or belief, sex, or sexual orientation. • Reasonable Adjustments: If you need any adjustments or support during the application or interview process, please let us know — we’re happy to accommodate. • Data Protection: By applying, you consent to Reactive Markets processing your personal data for recruitment purposes, in line with our privacy policy. • #Hiring #Infrastructure #Networking #LowLatency #TradingTechnology #FinTech #Remote #Colocation