{"id":2010782,"url":"https://alion.io/job/londonstockexchange-senior-full-stack-engineer-index-distribution-engineering","title":"Senior Full Stack Engineer (Index Distribution Engineering)","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":"A","score":95,"open_postings":15,"ghost_share":0,"stale_share":0,"repost_share":0,"time_to_fill_p50_days":70,"computed_at":"2026-10-22T06:10:10Z"}},"role":"Backend","role_family":"Backend","seniority":"senior","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":89000,"max_usd":174000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":130},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"AWS","optional":false}],"status":"closed","first_seen_at":"2026-07-03T00:09:28Z","employer_posted_date":"2026-10-07","last_verified_at":"2026-10-22T02:27:24Z","board_verified":false,"closed_at":"2026-10-22T02:27:24Z","days_open":111,"trust":{"level":"ok","repost_count":0,"flags":[],"days_open":110},"description":"Join FTSE Russell (LSEG) as a Senior Full Stack Engineer in Index Distribution Engineering. In this hands-on role, you will design and scale systems for reliable, secure, and high-performance data delivery to institutional clients worldwide. You will own system architecture and data modeling, develop secure APIs and data services, and drive engineering quality through testing and standards. Strong experience with cloud-native platforms, distributed backend systems, and relational databases is required.\nMissions\nDesign and build scalable data distribution systems, delivering data via APIs, cloud platforms, and client-facing services.\nOwn system architecture and data modelling, ensuring performance, reliability, and maintainability at scale.\nDrive engineering quality through testing, review, and standards, ensuring production-grade delivery.\nProfil recherché\n - Experience working with cloud-native platforms (AWS or similar)- Ability to lead through code quality, testing, and technical standards\n- Strong experience building distributed backend systems and APIs\n- Proven ability to own system design and data modelling\n- Strong understanding of relational databases and data-intensive systems\n- Experience with data distribution, APIs, or client-facing platforms\n- Experience with AI-assisted engineering tooling\n- Exposure to financial data or market data systems","description_format":"text","description_chars":1376,"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":[],"lifecycle":[{"event":"open","at":"2026-10-07T13:01:52Z"},{"event":"close","at":"2026-10-22T02:27:24Z"}],"visa":[],"liveness":null,"pay":null,"html_url":"https://alion.io/job/londonstockexchange-senior-full-stack-engineer-index-distribution-engineering","json_url":"https://alion.io/job/londonstockexchange-senior-full-stack-engineer-index-distribution-engineering.json","meta":{"generated_at":"2026-10-22T11:26:58Z","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":9371,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-23T00:00:00Z"}},"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-senior-full-stack-engineer-index-distribution-engineering"},{"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-senior-full-stack-engineer-index-distribution-engineering"},{"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-senior-full-stack-engineer-index-distribution-engineering"},{"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-senior-full-stack-engineer-index-distribution-engineering\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Flondonstockexchange-senior-full-stack-engineer-index-distribution-engineering"}]}