{"id":2177228,"url":"https://alion.io/job/optiver-software-engineer","title":"Software Engineer","company":{"id":54501,"name":"Optiver","domain":"optiver.com","url":"https://alion.io/company/optiver","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Greenhouse","truth_index":{"grade":"C","score":68,"open_postings":144,"ghost_share":0.535,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":null,"computed_at":"2026-10-10T05:45:15Z"}},"role":"Backend","role_family":"Backend","seniority":null,"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":85000,"max_usd":212000,"period":"year","method":"role_country_seniority_unknown","sample_n":363},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C#","optional":false},{"name":"C++","optional":false},{"name":"Python","optional":false}],"status":"live","first_seen_at":"2026-05-29T08:13:52Z","employer_posted_date":"2026-10-02","last_verified_at":"2026-10-11T20:04:56Z","board_verified":true,"closed_at":null,"days_open":135,"trust":{"level":"ghost","repost_count":0,"flags":["stale","company_stale"],"days_open":134},"description":"Data is the foundation of every trading decision we make. From financial instruments and corporate actions to market calendars, counterparty data, and alternative datasets, the breadth and complexity of reference data continues to grow alongside the increasing sophistication and interconnected nature of global markets. We are looking for a Software Engineer to join our Global Data Engineering team to expand the coverage, quality, and robustness of our reference data products, which power low, medium, and high frequency trading strategies across the firm.\nWhat you'll do:\nEstablish vision and technical direction for major initiatives across our reference data platform\nExpand and harden existing reference data products - improving coverage across asset classes and datasets, raising data quality, and increasing operational robustness\nDesign, develop, support, and maintain critical components of our data infrastructure that traders and researchers rely on every day\nEnsure new and existing programs adhere to our coding, architectural, and operational standards\nDevelop a deep understanding of trading, exchanges, and the diverse data domains that underpin them\nCollaborate deeply with traders, engineers, and researchers to identify gaps, prioritise improvements, and deliver datasets that meet the bar of a top-tier trading firm\nWhat you'll need:\nStrong engineering instincts and a deep understanding of computer science fundamentals\nExperience writing software in C++, C, C# and/or Python\nInnovative, big-picture thinking grounded in real-world pragmatism\nDesire to continuously improve in a rapidly evolving environment\nReadiness to set technical direction, promote engineering principles, and do the right things\nWho we are\nAt Optiver, our mission is to constantly improve the market by injecting liquidity, providing accurate pricing, increasing transparency and acting as a stabilizing force no matter the market conditions. With a focus on continuous improvement, we participate in the safeguarding of healthy and efficient markets for everyone who participates. As one of the largest market making institutions, we are a trusted partner of 70+ exchanges across the globe.\nWhat you'll get\nYou’ll join a culture of collaboration and excellence, where you’ll be surrounded by curious thinkers and creative problem solvers. Motivated by a passion for continuous improvement, you’ll thrive in a supportive, high-performing environment alongside talented colleagues, working collectively to tackle the toughest problems in the financial markets.\nIn addition, you’ll receive:\nA performance-based bonus structure, enabling all of our employees to benefit from our global profit pool.\n27 paid vacation days plus all UK public holidays.\nDaily breakfast and lunch, along with support on commuting expenses.\nPrivate medical insurance, pension scheme, and ClassPass fitness membership.\nTraining and continuous learning opportunities, including access to conferences and tech events.\nInternational transfer opportunities for global career growth.\nHow to apply\nAre you interested in furthering your career on one of the most dynamic and exciting trading floors in Europe? \n Apply directly via the form below. If you have any questions feel free to contact our Recruitment team via our recruitment inquiry form.\nPlease note:\nWe do not require any assistance from third-parties including agencies in the recruitment of this role\nWe cannot accept applications via email\nDiversity statement\nOptiver is committed to diversity and inclusion.","description_format":"text","description_chars":3538,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Continuous learning","Health insurance"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Hedge Funds & Alternative Investments"],"lifecycle":[{"event":"open","at":"2026-10-09T14:11:55Z"}],"visa":[{"country":"GB","licensed_sponsor":true,"evidence":"Licensed UK visa sponsor (Senior or Specialist Worker, Skilled Worker)","filings_12m":null,"filings_prev_12m":null,"green_card_filings_12m":null,"median_offered_wage_usd":null,"route":"Global Business Mobility: Senior or Specialist Worker; Skilled Worker","cap_exempt":false,"checked_at":"2026-10-10T06:21:00+00:00","sources":["UK Home Office: register of licensed sponsors (workers)"],"filings_for_role_12m":0}],"liveness":{"score":3,"band":"cold","label":"Long shot","p_open":1,"p_active":0.094,"p_room":0.28,"age_days":133,"expected_fill_days":20,"reasons":["conf:2","stale_co","ghost","win:tail","crowd:brand"],"computed_at":"2026-10-10T05:45:15Z"},"pay":null,"html_url":"https://alion.io/job/optiver-software-engineer","json_url":"https://alion.io/job/optiver-software-engineer.json","meta":{"generated_at":"2026-10-11T21:46:39Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":10898,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-12T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":54501},"rest":"https://alion.io/mcp/rest/get_company?id=54501"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Foptiver-software-engineer"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Foptiver-software-engineer"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Foptiver-software-engineer"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/optiver-software-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Foptiver-software-engineer"}]}