{"id":2013561,"url":"https://alion.io/job/tome-staff-infrastructure-software-engineer","title":"Staff Infrastructure 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":220000,"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":"GraphQL","optional":true},{"name":"JavaScript","optional":true},{"name":"Next.js","optional":true},{"name":"Node JS","optional":true},{"name":"PostgreSQL","optional":true},{"name":"React.js","optional":true},{"name":"TypeScript","optional":true}],"status":"live","first_seen_at":"2026-08-01T00:15:37Z","employer_posted_date":"2026-10-07","last_verified_at":"2026-10-17T06:49:34Z","board_verified":true,"closed_at":null,"days_open":77,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":77},"description":"Join Lightfield as a Staff Infrastructure Software Engineer, where you'll take ownership of projects from inception to impact. 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Enjoy meaningful early equity, health insurance, 3 weeks of PTO, and more.\nMissions\nDesign and build the data models and infrastructure that support a next-generation CRM, ensuring performance, scalability, and resilience.\nArchitect and scale the data infrastructure and backend services that power Lightfield AI-driven CRM, optimizing data models to support workflows.\nMentor teammates, participate in code reviews, and help shape engineering culture and practices, contributing to building a world-class engineering team.\nProfil recherché\n - We’re looking for an experienced, creative, and versatile engineer who is eager to tackle the challenge of architecting, building, and scaling the core infrastructure and systems powering Lightfield's AI-driven CRM- Deep experience building scalable, high-performance data infrastructure that can support complex customer workflows and large-scale data processing\n- You’re excited about Large Language Models (LLMs) and the opportunity to build systems that support and leverage them\n- Clear communicator, capable of articulating technical decisions to both technical and non-technical stakeholders\n- Strong fundamentals in software engineering, with a degree in Computer Science or a related field\n- Passionate about building products customers love, ensuring our CRM is intuitive, intelligent, and indispensable\n- Thrives in ambiguity, able to independently drive projects and deliver results in a fast-moving environment\n- You have the ability to ramp quickly on tech stack that features TypeScript, React, Next.js, Node.js, Apollo GraphQL, and PostgreSQL\n- Strong understanding of database design, indexing strategies, and query optimization, especially in PostgreSQL or similar relational databases\n- 7+ years of experience in software development, with a strong background in infrastructure, data modeling, and backend 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