Software Engineer

Senior Software EngineerCentral London - Hybrid 100,000 - 125,000 + Bonus / EquityI''m working with a genuinely impressive AI engineering company building advanced systems within the Defence, Security and National Resilience space.Their engineering team is small, highly capable and intentionally low on bureaucracy. They are looking for Senior Software Engineers who enjoy solving difficult technical problems and want genuine ownership over what they build.This is not a narrowly defined role.Engineers here contribute across distributed systems, cloud infrastructure, deployment, platform engineering, agent frameworks and multimodal data environments. The focus is on building robust, scalable systems that operate across cloud, edge and air-gapped environments.The culture is heavily AI-assisted. Engineers actively use tools such as Claude Code, Cursor and Codex to remove low-value work and move faster, while maintaining high engineering standards.Core technologies include Python, Kubernetes, Docker, Postgres, React, Golang and modern cloud platforms, though adaptability and strong engineering fundamentals are valued far more highly than perfect stack alignment.You do not need previous Defence experience. In many cases, strong engineers from startup, product or modern platform engineering backgrounds are likely to be a particularly strong fit.They are looking for thoughtful, adaptable engineers who are comfortable with ambiguity, capable of making sensible technical trade-offs and ..... full job details .....