{"id":3812025,"url":"https://alion.io/job/lemonade-senior-backend-engineer-pricing-platform-2","title":"Senior Backend Engineer, Pricing Platform","company":{"id":58652,"name":"Lemonade","domain":"lemonade.com","url":"https://alion.io/company/lemonade-com","size_band":"501-1000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Ashby","truth_index":{"grade":"B","score":81,"open_postings":18,"ghost_share":0,"stale_share":0.778,"repost_share":0,"time_to_fill_p50_days":31,"computed_at":"2026-11-08T05:47:12Z"}},"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":["Amsterdam, Netherlands"],"countries":["NL"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Python","optional":false},{"name":"Rust","optional":false},{"name":"TypeScript","optional":false},{"name":"JAX","optional":true}],"status":"live","first_seen_at":"2026-11-05T13:33:18Z","employer_posted_date":"2026-11-05","last_verified_at":"2026-11-08T16:07:13Z","board_verified":true,"closed_at":null,"days_open":3,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":3},"description":"We're looking for a Senior Backend Engineer to help build the core systems that price insurance for millions of customers. You'll join our Pricing Team in Amsterdam, where complex analytics meets high-performance engineering. You'll work alongside actuaries to turn their insights into code that scales, from our homegrown domain-specific language to AI-powered research pipelines.\nWe believe three things matter for every role at Lemonade: drive to push through challenges, efficiency that keeps standards high while moving fast, and adaptability that lets you pivot with data and AI insights. These aren't buzzwords, they're how we actually work.\nOur AI-first approach isn't just a tagline either. We're building the future of insurance with AI at the center, and we need people who are genuinely excited to learn and grow alongside these tools.\nIn this role you'll\nDesign and build core rating services that calculate prices for products used by millions\n\nArchitect systems across TypeScript, Rust, and Python, each solving a different kind of problem\n\nBuild AI-powered research pipelines that help actuaries discover new pricing patterns\n\nCreate SDKs and code patterns that other teams can build on\n\nOptimize performance-critical systems where milliseconds shape the customer experience\n\nPartner with actuaries to turn complex mathematical models into scalable code\n\nLead technical decisions on architecture, interfaces, and design patterns\n\nWhat you'll need\n10+ years of experience building backend systems\n\nDeep experience with system design and architectural decision-making, beyond API development\n\nStrong proficiency in one backend language (TypeScript, Rust, or Python) 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