{"id":2010750,"url":"https://alion.io/job/londonstockexchange-machine-learning-quality-engineer","title":"Machine Learning Quality Engineer","company":{"id":44904,"name":"London Stock Exchange","domain":"londonstockexchange.com","url":"https://alion.io/company/londonstockexchange","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Welcome to the Jungle","truth_index":{"grade":"B","score":77,"open_postings":15,"ghost_share":0,"stale_share":0.933,"repost_share":0,"time_to_fill_p50_days":37,"computed_at":"2026-11-03T05:54:40Z"}},"role":"AI/ML","role_family":"AI/ML","seniority":null,"employment_type":"full_time","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":76000,"max_usd":203000,"period":"year","method":"role_country_seniority_unknown","sample_n":168},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AI Agents","optional":false},{"name":"LLM","optional":false},{"name":"Machine Learning","optional":false},{"name":"Model Context Protocol","optional":false},{"name":"Python","optional":false},{"name":"RAG","optional":false}],"status":"live","first_seen_at":"2026-07-23T00:10:37Z","employer_posted_date":"2026-10-28","last_verified_at":"2026-11-03T08:58:54Z","board_verified":true,"closed_at":null,"days_open":103,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":103},"description":"Join the Corporate Engineering AI team at LSEG, where you'll play a key role in scaling safe, high-quality AI capabilities across the enterprise. 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Strong Python experience and expertise in test automation are required.\nMissions\nDefinir e implementar frameworks de avaliação para ferramentas e habilidades de MCP, abrangendo correção, segurança e impacto de regressão.\nConstruir e manter pipelines de teste automatizados para comportamentos agenticos, incluindo invocação de ferramentas e fluxos de trabalho de múltiplas etapas.\nProduzir evidências de teste necessárias para o Permissão para Construir (PTB) e Permissão para Operar (PTO).\nProfil recherché\n - Strong Python experience for test harnesses and automation- Experience with LLM and RAG evaluation frameworks or custom evaluation pipelines\n- Test automation expertise covering unit, integration, and regression testing\n- Understanding of agentic system risks and failure modes\n- Ability to assess solutions against governance, security, and audit expectations\n- Experience working in regulated or highly governed engineering environments","description_format":"text","description_chars":1332,"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":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Financial Services","Stock Exchanges & Market Infrastructure","Financial Data & Market Intelligence"],"lifecycle":[{"event":"open","at":"2026-10-07T13:01:52Z"},{"event":"close","at":"2026-10-27T01:52:46Z"},{"event":"reopen","at":"2026-10-28T00:28:08Z"}],"visa":[],"liveness":{"score":7,"band":"cold","label":"Long shot","p_open":1,"p_active":0.236,"p_room":0.28,"age_days":103,"expected_fill_days":37,"reasons":["conf:1","stale_co","velocity","win:tail","crowd:"],"computed_at":"2026-11-03T05:54:40Z"},"pay":null,"html_url":"https://alion.io/job/londonstockexchange-machine-learning-quality-engineer","json_url":"https://alion.io/job/londonstockexchange-machine-learning-quality-engineer.json","meta":{"generated_at":"2026-11-03T11:45:17Z","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":16023,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-11-04T00:00:00Z"}},"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":44904},"rest":"https://alion.io/mcp/rest/get_company?id=44904"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Flondonstockexchange-machine-learning-quality-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%2Flondonstockexchange-machine-learning-quality-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%2Flondonstockexchange-machine-learning-quality-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/londonstockexchange-machine-learning-quality-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Flondonstockexchange-machine-learning-quality-engineer"}],"agent":{"mcp":"https://alion.io/mcp/jobs","mcp_open":"https://alion.io/mcp/open","next":[{"tool":"get_job","arguments":{"id":2010750}},{"tool":"search_jobs","arguments":{"company":"londonstockexchange.com","detail":"compact"}},{"tool":"match_people","arguments":{"job_id":2010750},"note":"people open to offers who fit this vacancy"}],"note":"The same data through MCP tools: https://alion.io/mcp/open needs no sign-in (compact searches, postings, people); https://alion.io/mcp with an Alion account has everything. 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