Senior Fullstack .Net Engineer - Retail (MK)

Experteer Overview In this role you design and deliver high-performing, scalable services to improve customer experience and business efficiency. You will shape technical direction, mentor peers, and champion engineering excellence within a collaborative community. You’ll work across full stack technologies and cloud platforms, driving continuous improvement and cost-effective architectures. This position offers the chance to influence long-term engineering strategy and internal framework design. You’ll operate in a modern software environment that values agile practices and innovation, with a clear impact on the scale of Sainsbury’s technology landscape. Pay / Benefits * Design and build large-scale, high-performance services using modern technologies and standards * Work with React.js, SQL, MongoDB, Kubernetes, Docker, serverless, and event-driven architectures * Implement and enhance cloud solutions across AWS and Google Cloud Platform * Help lead the technical roadmap and long-term architecture strategy * Share knowledge, contribute to best practices, and enable continuous improvement * Lead the design and support of internal frameworks across the Sainsbury’s Group * Cover the full product lifecycle from inception to decommissioning * Consider cost, scalability, and operational support in technical decisions Tasks * Strong experience in .NET development * Proficiency with relational and non-relational databases (SQL, MongoDB) * Experience with cloud platforms (AWS and/or GCP) * Knowledge of React.js/TypeScript and modern frontend standards * Experience with Docker, Kubernetes, and container orchestration * Understanding of serverless functions and event-driven architecture * Solid understanding of software design, security principles, and DevSecOps practices * Hands-on experience with CI/CD pipelines and infrastructure-as-code * Curiosity for emerging technologies and commitment to continuous learning * Excellent problem-solving, communication, and mentoring skills * Empathy and ability to coach and empower colleagues * Self-driven with a desire to improve processes, teams, and engineering practices Key requirements * colleague discount across Sainsbury’s, Argos and Habitat * competitive holiday allowance * bonus scheme * pension plan * flexible/smarter working policy * private healthcare

• architecture strategy * Share knowledge, contribute to best practices, and enable continuous improvement * Lead the design and support of internal frameworks across the Sainsbury’s Group * Cover the full product lifecycle from inception to decommissioning * Consider cost, scalability, and operational support in technical decisions Tasks * Strong experience in .NET development * Proficiency with relational and non-relational databases (SQL, MongoDB) * Experience with cloud platforms (AWS and/or GCP) * Knowledge of React.js/TypeScript and modern frontend standards * Experience with Docker, Kubernetes, and container orchestration * Understanding of serverless functions and event-driven architecture * Solid understanding of software design, security principles, and DevSecOps practices * Hands-on experience with CI/CD pipelines and infrastructure-as-code * Curiosity for emerging technologies and commitment to continuous learning * Excellent problem-solving, communication, and mentoring a aaaA_ * Empathy and ability to coach and empower colleagues * Self-driven with a desire to improve processes, teams, and engineering practices Key requirements * colleague discount across Sainsbury’s, Argos and Habitat * competitive holiday allowance * bonus scheme * pension plan * flexible/smarter working policy * private healthcare