<p><strong>About the Role</strong></p> <div style="font-style:normal; font-weight:400"> Join our Store Operations technology team and build the tools that power the shop floor. In this role, you’ll design and develop intuitive, high-impact applications used daily by colleagues in-store—from streamlining processes to enhancing customer experiences in real time. It’s a chance to see your work in action, solving real problems at scale and shaping how stores operate across the business. </div> <p>We’re looking for a talented Senior&nbsp;.NET Engineer&nbsp;to help design, build and deliver high‑performing technology that improves customer experience, drives business efficiency and reduces operating costs.</p> <p>You’ll help shape technical direction and mentor others whilst championing engineering excellence and be a valued contributor to our broader engineering community.</p> <p>You’ll bring curiosity, analytical thinking and a willingness to challenge how things are done — always looking for ways to improve engineering practices within your team.</p> <p><strong>What You’ll Do</strong></p> <ul> <li>Design and build large‑scale, high‑performance services using the latest technologies and engineering standards.</li> <li>Work with technologies such as&nbsp;Next.js,&nbsp;SQL,&nbsp;MongoDB,&nbsp;Kubernetes,&nbsp;Docker, serverless functions and event‑driven architecture.</li> <li>Implement and enhance cloud-based solutions across&nbsp;AWS&nbsp;and&nbsp;Google Cloud Platform.</li> <li>Help lead the technical roadmap, shaping the long‑term architecture and engineering strategy.</li> <li>Share knowledge, contribute to best practices and enable continuous improvement within the engineering community.</li> <li>Lead the design and support of internal frameworks that enhance engineering capabilities across the Sainsbury’s Group.</li> <li>Engineer across the entire product lifecycle—from inception through to decommissioning.</li> <li>Consider cost, scalability, and operational support implications in your technical decision‑making.</li> </ul> <p><strong>Who You Are</strong></p> <p>You’re a proactive, driven engineer who is passionate about modern engineering practices, cloud technology and delivering high‑quality solutions. You promote agile ways of working and enjoy solving complex problems in a collaborative environment.</p> <p><strong>Essential Criteria</strong></p> <ul> <li>Strong experience in&nbsp;.NET development&nbsp;and associated engineering principles.</li> <li>Proficiency with&nbsp;relational and non‑relational databases&nbsp;(e.g., SQL, MongoDB).</li> <li>Experience working with&nbsp;cloud platforms&nbsp;like Azure</li> <li>Knowledge of&nbsp;React.js/Typescript&nbsp;and modern frontend development standards.</li> <li>Experience with&nbsp;Docker,&nbsp;Kubernetes, and container orchestration.</li> <li>Understanding of&nbsp;serverless functions&nbsp;and&nbsp;event‑driven architecture.</li> <li>Solid understanding of&nbsp;software design,&nbsp;security principles, and&nbsp;DevSecOps&nbsp;practices.</li> <li>Hands-on experience with&nbsp;CI/CD pipelines&nbsp;and infrastructure-as-code.</li> <li>Curiosity for emerging technologies and a commitment to continuous learning.</li> <li>Excellent problem‑solving, communication, and mentoring skills.</li> <li>Empathy and the ability to support, coach, and empower colleagues to deliver their best.</li> <li>Self‑driven with a desire to improve processes, teams, and engineering practices.</li> </ul> <p><strong>Ways of Working</strong></p> <ul> <li>Strong advocate for&nbsp;agile/lean delivery&nbsp;methodologies.</li> <li>Ability to collaborate effectively across multidisciplinary teams.</li> <li>Self-driven mindset with a passion for continuous learning and innovation.</li> </ul> <p><strong>What’s in It for You</strong></p> <ul> <li>Colleague discount across Sainsbury’s, Argos and Habitat</li> <li>Competitive holiday allowance</li> <li>Bonus scheme</li> <li>Pension plan</li> <li>Flexible / smarter working policy</li> <li>Access to a wide range of discounts (gyms, restaurants, retail and more)</li> </ul>