Principal Software Engineer

Job description

Join Us At Sainsbury’s Tech, you’ll help power one of the UK’s largest and most-loved multi-channel, multi-brand retailers. As a Principal Engineer, you will drive engineering excellence, shape modern technology standards, and influence the future of retail technology for millions of customers. You’ll work in a supportive, inclusive, and collaborative engineering community—one that values experimentation, innovation, and evidence-based decision making. If you’re passionate about modern engineering practises and want the freedom to explore, lead, and deliver at scale, this is the place to thrive. What You’ll Do: - Setting and evolving engineering strategy, standards, and best practises across your domain. - Influencing innovation, modern ways of working, and technical direction across engineering teams. - Leading by example through deep technical expertise, supporting Staff Engineers and teams to deliver scalable, high‑performance technology solutions. - Guiding engineers and senior leaders with expert insight on technical risk, impact assessment, and prioritisation. - Designing and overseeing the delivery of large‑scale, high‑availability systems using cutting‑edge technologies. -...