{"id":2047205,"url":"https://alion.io/job/matchtech-open-senior-kdb-q-software-engineer","title":"OPEN Senior KDB+ / q Software Engineer","company":{"id":2073484,"name":"Matchtech","domain":"matchtech.com","url":"https://alion.io/company/matchtech-com","size_band":"11-50","is_staffing_agency":true,"employer_type":"agency","is_intermediary":false,"listed_via":null,"ats_vendor":"Schema","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"senior","employment_type":"contractor","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":{"min":545,"max":545,"currency":"GBP","period":"day","gross":null,"usd_annual":180000},"salary_estimate":null,"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Apache Kafka","optional":false},{"name":"Java","optional":false},{"name":"KDB+","optional":false},{"name":"Python","optional":false},{"name":"Time Series Forecasting","optional":false}],"status":"live","first_seen_at":"2026-10-07T20:04:27Z","employer_posted_date":"2026-10-07","last_verified_at":"2026-10-11T19:48:41Z","board_verified":true,"closed_at":null,"days_open":4,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":4},"description":"Senior KDB+ / q Software Engineer\nPrime Brokerage Risk & Margining | Inside IR35 | £545 per day (Umbrella) | London\nWe're currently looking for an experienced Senior KDB+ / q Software Engineer to join a leading financial services organisation on an initial 13-week contract. This role will suit a hands-on engineer with deep expertise in KDB+/q development, real-time data platforms, and Prime Brokerage post-trade risk and margining environments.\nWorking within a high-performing engineering team, you'll be responsible for the development, optimisation, support and enhancement of business-critical applications and data platforms supporting front-office and risk functions.\nContract Details\nContract Length: 13 weeks\nStart Date: ASAP\nRate: £545 per day Umbrella\nEngagement: Inside IR35\n Location: London (30 Fenchurch Street)\nWorking Model: Hybrid\nThe Role\nYou will play a key role in developing and supporting large-scale KDB+ platforms that process and distribute high-volume market and business data. The successful candidate will bring strong domain expertise within Prime Brokerage, Financing, Securities Lending, or Risk Management, allowing them to quickly contribute to complex post-trade workflows and risk calculations. \nKey responsibilities include:\nDesigning, developing and optimising KDB+/q solutions within large-scale production environments.\nEnhancing real-time market and business data ingestion, processing and distribution capabilities.\nManaging and optimising KDB ticker plant, RDB/HDB architectures and historical data platforms.\nSupporting data feed onboarding, integration and data quality controls.\nTroubleshooting complex production issues and providing Level 3 support for critical applications.\nWorking closely with business users, traders, quantitative analysts and technology stakeholders.\nSupporting platform reliability, monitoring, root cause analysis and continuous improvement initiatives.\nIntegrating KDB platforms with wider technology ecosystems including Java, Python and messaging technologies.\nEssential Skills & Experience\n10+ years' commercial experience developing with KDB+/q.\nStrong experience working within large-scale production environments.\nDeep understanding of Prime Brokerage post-trade risk and margining.\nStrong knowledge of time-series data modelling.\nExperience with KDB ticker plant, RDB/HDB architectures and performance optimisation.\nProven production support and troubleshooting experience.\nExperience within Financing, Securities Lending, Prime Brokerage or Risk domains.\nExperience integrating KDB platforms with Java and/or Python applications.\nKnowledge of event-driven and messaging architectures such as Kafka.\nExcellent communication and stakeholder management skills.\nDesirable Experience\nExperience working directly with trading desks and quantitative teams.\nPlatform reliability engineering and monitoring expertise.\nExposure to enterprise-scale financial market data platforms.\nExperience improving data quality frameworks and controls.\nQualifications\nDegree in Computer Science, Engineering, Mathematics, Physics or a related technical discipline.","description_format":"text","description_chars":3124,"description_truncated":false,"requirements":{"experience_years_min":10,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-07T20:04:27Z"}],"visa":[],"liveness":{"score":54,"band":"ok","label":"Likely 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