{"id":2013560,"url":"https://alion.io/job/tome-staff-backend-software-engineer","title":"Staff Backend Software Engineer","company":{"id":177738,"name":"Tome","domain":"tome.app","url":"https://alion.io/company/tome","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Welcome to the Jungle","truth_index":null},"role":"Backend","role_family":"Backend","seniority":"staff","employment_type":"full_time","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Cambridge, United Kingdom","San Francisco, United States"],"countries":["GB","US"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":180000,"max":300000,"currency":"USD","period":"year","gross":null,"usd_annual":300000},"salary_estimate":null,"experience_years_min":7,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Node JS","optional":false},{"name":"PostgreSQL","optional":false},{"name":"JavaScript","optional":true}],"status":"live","first_seen_at":"2026-08-03T00:15:26Z","employer_posted_date":"2026-10-07","last_verified_at":"2026-10-17T16:16:31Z","board_verified":true,"closed_at":null,"days_open":75,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":75},"description":"Join Lightfield, an innovative company that builds a living model of a company's customers. As a Staff Backend Software Engineer, you will own core product capabilities end to end, design shared abstractions, and evolve a schema-flexible data model. You will partner directly with product engineers, product leadership, and customers to turn ambiguous needs into practical backend architecture. This role offers meaningful early equity, health insurance, 3 weeks of PTO, and other perks.\nMissions\nPosséder des capacités clés du produit de bout en bout, de la définition des exigences client à la mise en production.\nConcevoir des abstractions partagées utilisées par l'interface utilisateur de Lightfield, l'API publique, les agents, les automatisations et les équipes d'ingénierie internes.\nÉvoluer un modèle de données flexible en schéma, en forme de graphe sur Postgres, où les clients définissent des objets, des attributs et des relations à l'exécution.\nProfil recherché\n - Experience operating systems with real reliability, latency, throughput, and correctness requirements- Comfort debugging across multiple layers of the stack, especially when product behavior and system behavior do not line up neatly\n- Strong judgment about data models, APIs, system boundaries, migrations, and incremental rollout\n- Product orientation: you care about the customer-visible consequences of backend decisions, not only the elegance of the implementation\n- The ability to make practical tradeoffs, communicate clearly, and create alignment without relying on formal authority\n- A record of owning significant product-facing systems or ambiguous technical projects from design through production\n- 7+ years experience\n- Strong software engineering fundamentals and substantial experience building backend systems\n- Node.js or similar high-throughput service environments\n- Postgres performance tuning, query planning, indexing, transaction design, or multi-tenant data modeling\n- APIs, queues, workflow systems, background jobs, and distributed systems\n- Observability, incident response, service ownership, and production debugging\n- Experience in a high-growth product environment","description_format":"text","description_chars":2174,"description_truncated":false,"requirements":{"experience_years_min":7,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Equity","Health insurance"],"hiring_locations":[{"name":"United Kingdom","iso":"GB","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-07T13:07:17Z"}],"visa":[],"liveness":{"score":14,"band":"cold","label":"Long shot","p_open":1,"p_active":0.503,"p_room":0.28,"age_days":75,"expected_fill_days":30,"reasons":["conf:2","win:tail","crowd:"],"computed_at":"2026-10-17T05:46:00Z"},"pay":{"stated_usd_annual":300000,"is_top_pay":true},"html_url":"https://alion.io/job/tome-staff-backend-software-engineer","json_url":"https://alion.io/job/tome-staff-backend-software-engineer.json","meta":{"generated_at":"2026-10-17T17:03:29Z","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":23434,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-18T00:00:00Z"}},"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":177738},"rest":"https://alion.io/mcp/rest/get_company?id=177738"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Ftome-staff-backend-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%2Ftome-staff-backend-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%2Ftome-staff-backend-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/tome-staff-backend-software-engineer\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Ftome-staff-backend-software-engineer"}]}