Software Principal Engineer United Kingdom Jobs

Join a high-growth tech firm in London as a Principal Software Engineer. Architect and scale high-throughput, event-driven systems in Golang, handling billions of monthly requests. Leverage your 8+ years of backend expertise in distributed systems, Kafka, and PostgreSQL within a top-tier engineer...

Lead motor inverter projects as a Principal Software and Controls Engineer in Milton Keynes. You will drive PMSM control system development for automotive, aerospace, and defence applications. This role requires expertise in motor physics, control algorithms, and software strategies. Provide tech...

Lead the evolution of a critical data platform as a Principal Software Engineer in London. You will provide technical leadership using C#/.NET and TypeScript, designing resilient data flows and scalable cloud infrastructure. This hybrid role offers significant benefits including private healthcar...

Lead a major digital transformation as a Principal Software Engineer. This initial 6-month contract outside IR35 requires expertise in TypeScript (Node/React), AWS, and event-driven MACH architecture. You will re-architect platforms to cloud-native microservices, providing technical vision and go...

Join a Manchester eCommerce leader as a Principal Software Engineer. Drive a large-scale digital re-platform to MACH and Event-Driven Architecture. Utilize JavaScript/TypeScript, React, Next.js, and AWS serverless. Enjoy a bonus, enhanced pension, and private healthcare.

Lead architectural development for cybersecurity products as a Senior Principal Software Engineer at Rapid7 in Belfast. This role requires 12+ years of Java experience and expertise in designing complex, scalable enterprise software. You will drive technical strategy, foster innovation, and champ...