Senior Full-Stack Engineer

💻 Senior Full-Stack Engineer (AI)💰 Up to £130,000 + equity📍 London / hybrid, 3–4 days per week in the office🚀 AI StartupThis is a rare opportunity. Chance to join an early-stage startup as engineer #4. Autonomy, responsibility and working with cutting edge AI. Company:A well-funded, early-stage startup building a genuinely AI-native product. AI at the core, with agentic systems already running in production. Small team, high standards, and an awesome team culture. The Role:This is a senior full-stack engineering role for someone who thinks in systems, not just tickets. You'll build features end-to-end, maintain what you ship, and raise the quality bar across the codebase. The team is small, so you'll touch most parts of the stack most weeks - and you'll be expected to operate with minimal oversight.Key responsibilities:Build features end-to-endSpot and fix rough edges before users doBuild directly on top of agentic systemsUse AI tooling daily to plan, write, review, and ship code fasterStack:TypeScript, React, AWS, GCP. Agentic systems and LLM-powered features already in production.You'll be a good fit if you...Early-stage or startup experience is a must! Have 6+ years of professional software engineering experience - ideally with real ownershipAre genuinely comfortable across the full stack - UI, API, and databaseAlready use AI tooling daily - coding assistants, agents, or similar. This is a mustHave hands-on experience with agentic systems or LLM-powered features in production (nice to have)Are high agency you find work that needs doing and do it💚 Why join?🎯 Real ownership🤖 AI-native from the ground up🚀 High-performing team 📈 Equity that could matter🌴 Opportunities to travel + great benefitsThe Package:Up to £130k base (DoE) + equity30 days holidayLondon - hybrid, 3–4 days per week in the officeInterview Process:30-min intro callTech TestOn-site final and meet the teamOffer 🙌Please only apply if you live in or near London and are happy to commute 3/4 days per week.