Job Title

Senior Backend Engineer (TypeScript / Node.js)Remote – UK / Europe (GMT to GMT+2)Full-time | Early-stage VC-backed startupup to £120,000 P/AWe're hiring a Senior Backend Engineer to join a fast-growing, VC-backed startup building developer-facing AI infrastructure.This is not a typical "CRUD API" role.You'll be building and owning the backend foundations behind AI-powered systems used by real users in production — APIs, distributed services, async workflows, data pipelines, and infrastructure that needs to scale reliably.What You'll Work OnDesigning and building production-grade APIs used by external developersOwning backend services that support AI agents and large data workflowsHandling async processing, queues, caching, and traffic spikesBuilding systems that process complex or heavy data payloadsCollaborating closely with Product & Design in a small, high-autonomy teamMaking pragmatic architectural decisions in a fast-moving environmentWhat We're Looking ForStrong experience building and scaling backend systems in productionDeep knowledge of Node.js / TypeScriptExperience with:Distributed systemsAsync workflowsEvent-driven architectureQueues / background jobsCaching strategiesSolid database experience (Postgres, MySQL, Redis etc.)Experience working in VC-backed startups or small product teamsComfortable operating with high autonomy and minimal processStrong communication skills in async, remote environmentsNice to HaveExperience building AI-powered backend systems (LLMs, RAG, agents)Platform / infrastructure experienceExperience designing APIs used by other engineersExposure to self-hosted or enterprise deployment modelsNot the Right Fit IfYour experience is primarily frontend-focusedMost of your background is ecommerce, digital agencies, or enterprise-only environmentsYou prefer highly structured orgs with strict roadmaps and layers of managementWhat You'll GetCompetitive salary + meaningful equity35 days holiday (including local holidays)Remote-first cultureHigh ownership and real impactDirect collaboration with foundersOpportunity to shape backend architecture from the ground up