About the job

This Senior Full Stack Engineer role at Kernel is a highly technical position focused on building and scaling AI-powered backend systems for enterprise RevOps teams, where you will work primarily with NodeJS, TypeScript, Postgres, AWS, Kubernetes, and workflow automation using n8n to design reliable, high-performance systems capable of processing millions of records, terabytes of data, and large-scale parallel workflows. You will collaborate closely with product and engineering teams to rapidly ship features, build scalable data pipelines, automate manual processes, implement monitoring and observability, and support LLM-based applications using techniques such as RAG and prompt engineering, all within a fast-paced, early-stage startup environment that values ownership, autonomy, and clear communication. The role offers a competitive salary of £120K–£200K plus equity, hybrid working in London, modern tech infrastructure, direct collaboration with founders, strong growth opportunities, and includes UK Skilled Worker visa sponsorship and relocation support for exceptional candidates.