Staff Software Engineer - Java - React (Digital & Payments)

Job description

About the Role As a Staff Engineer, you'll be a hands-on technical leader who drives engineering excellence across multiple teams. You’ll work on complex, high-scale systems, design solutions that support millions of customer interactions, and help teams deliver high‑quality, robust and scalable products. This is a role for someone who loves solving tough problems, mentoring engineers, influencing technical direction, and operating across a broad architecture landscape. You’ll work closely with engineering leaders, peers and stakeholders to set strategic direction, raise engineering standards, and deliver real value for our customers. You’ll also help us leverage AI and automation to scale our capabilities and enhance both colleague and customer experiences. What You’ll Be Doing: - Shaping strategic technical direction alongside the Senior Head of Engineering. - Partnering with engineering teams to evaluate decisions, influence design, and guide delivery. - Acting as a coach and mentor to engineers at all levels, promoting strong engineering practices. - Providing hands-on development expertise where it matters most. - Working across domains in Sainsbury’s Tech to build reusable, c...