Full Stack Engineer

Full-Stack Software Engineer | Up to £95,000 + Equity | London (Hybrid) I'm partnered with a high-growth deep-tech scale-up spun out of Imperial College London that's helping accelerate the future of electrification. Backed by leading investors, they've built a battery software platform already used by global automotive, aviation, and industrial customers, with a Series A on the horizon and ambitious growth plans. They're now looking for a Full-Stack Engineer to take ownership of their production SaaS platform, build the next generation of AI-powered capabilities, and work directly with the founders to shape both the product and engineering function as the business scales. The role Take ownership of a production, multi-tenant SaaS platform used by paying customers, ensuring reliability, observability, security, and scalability.Work directly with the founders to shape platform strategy, influence technical direction, and help define the future engineering team.Design, build, and ship AI-powered features and agentic workflows, taking them from prototype through to production.Work across a modern stack including Next.js, TypeScript, Go, AWS Serverless, PostgreSQL, Supabase, Python, and public APIs.Support CI/CD, infrastructure as code, internal data tooling, and engineering best practices across the business. What they need Strong commercial experience with TypeScript, React, and modern full-stack development.Experience owning production systems, including deployments, monitoring, incident management, and operational decision-making.AWS Serverless expertise, including Lambda, IAM, and Infrastructure as Code.Strong SQL and relational database experience, including schema design and production migrations.Experience building real-world AI features using LLM APIs, prompt engineering, and AI-assisted development tools.Comfort operating in a highly autonomous environment and partnering with both technical and non-technical stakeholders. A Plus Go experience or the confidence to pick it up quickly.Next.js, Vercel, PostgreSQL, and Supabase expertise.Experience building AI products using RAG, agentic workflows, MCP integrations, evaluation frameworks, and streaming interfaces.Python, Pandas, and data tooling experience.Startup or scale-up experience where you've helped build products at pace.An interest in batteries, scientific software, simulation, or climate technology. What you'll get 33 days holiday including bank holidays.Enhanced parental leave.BUPA private healthcare.Annual learning and development budget.Monthly socials and company off-sites.Central London office with a state-of-the-art battery testing lab.Backed by leading European and US investors. Full-Stack Software Engineer | Up to £95,000 + Equity | London (Hybrid)