{"id":1434142,"url":"https://alion.io/job/gsr-senior-low-latency-engineer","title":"Senior Low Latency Engineer","company":{"id":172251,"name":"GSR","domain":"gsr.io","url":"https://alion.io/company/gsr","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"B","score":75,"open_postings":3,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-15T05:46:00Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":"senior","employment_type":null,"work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["London, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":69000,"max_usd":110000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":133},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"Rust","optional":false}],"status":"live","first_seen_at":"2026-09-28T19:54:17Z","employer_posted_date":"2026-09-28","last_verified_at":"2026-10-15T07:30:19Z","board_verified":true,"closed_at":null,"days_open":16,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":16},"description":"About Us\nGSR is crypto's capital markets partner, helping founders and institutions scale with confidence. With over a decade of specialized expertise, we deliver institutional-grade market making, OTC trading, and strategic venture capital to support growth at every stage.\nOur value goes beyond execution. We provide access to liquidity, real-time market intelligence, and strategic guidance shaped by years operating at the center of global crypto markets. We bridge the gap between traditional finance and digital assets, connecting teams with the capital, market access, and insights they need to build what's next.\nAbout the Role\nEvery microsecond in this role carries weight. You'll be building the low latency infrastructure that connects GSR's trading systems to crypto spot and derivatives markets, and the code you ship has a direct line to trading P&L.\nYou'll design and build core components of our trading platform in Rust, working across market data distribution, order placement, and trade and balance management. This is hands-on development on production-critical systems, sitting within a multiregional team of five, working closely with Trading, Quant and Engineering to get solutions into production fast.\nYou'll also shape how we organise and expose our data: cataloguing, tracing provenance, and building the APIs and services that let users query analytics data themselves rather than wait on you.\nResponsibilities\nDesign and build core components of GSR's low latency trading platform in Rust\nMaintain data quality, cataloguing, and provenance tracing across the platform\nBuild APIs and services that deliver analytics data to users in a self-service form\nBuild and maintain trading platform functionality across market connectivity, order placement, and trade and balance management\nImprove existing market connectivity and trading infrastructure\nPartner with quants, traders, operations and engineering to prioritise and deliver solutions that drive business outcomes\nContribute hands-on development within a multiregional team of five on production-critical systems\nYour Profile\n7+ years in fintech (tradfi and/or crypto), with experience in a front office environment\nStrong compsci, engineering, mathematics or related background, or equivalent experience\nExperience coding in Rust (preferred) or C++\nExperience building low latency, distributed systems and networking components\nSolid understanding of market data feeds, reference data, and trading workflows\nStrong relationship and communication skills, able to bridge front office requirements with engineering execution\nOwnership mindset, with precision and a drive for continuous improvement\nNice to have: familiarity with streaming and messaging systems, Aeron preferred\nWhat We Offer\nA collaborative and transparent company culture founded on Integrity, Innovation, and Performance.\nBenefits include healthcare, dental, vision, retirement planning, 30 days of holiday, and free lunches when in the office.\nRegular Town Halls, team lunches, offsites, and social events.\nA strong Corporate and Social Responsibility program, including charity matching and volunteer days.\nImmigration and relocation support where required.\nEqual Opportunity Statement\nGSR is proudly an Equal Employment Opportunity employer. We do not discriminate based upon any applicable legally protected characteristics such as race, religion, colour, country of origin, sexual orientation, gender, gender identity, gender expression or age. We operate a meritocracy, all aspects of people engagement from the decision to hire or promote as well as our performance management process will be based on the business needs and individual merit, competence in the role. 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