Senior .NET Engineer - Cloud-Native Retail Platforms

Sainsbury's Supermarkets Ltd; Coventry; Hybrid; GBP 65,000 - 90,000; Full time

Benefits offered by this job

Colleague discount across brands

Pension plan

Wide range of employee discounts

Job summary

Sainsbury's Store Operations technology team is hiring a Senior.NET Engineer to design and deliver scalable, high‑performing services. You’ll shape technical direction, mentor colleagues, and influence engineering practices across the Sainsbury’s Group.

The role focuses on delivering customer‑facing features and store operations tools with cloud-based infrastructure. You’ll combine backend with frontend responsibilities, using .NET, React/TypeScript, Docker/Kubernetes, and CI/CD pipelines.

Qualifications

• Strong experience in.NET development and associated engineering principles.
• Proficiency with relational and non-relational databases (SQL, MongoDB).
• Experience with cloud platforms like Azure.
• Knowledge of React.js/Typescript and modern frontend development 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 a commitment to continuous learning.
• Excellent problem-solving, communication, and mentoring skills.
• Empathy and the ability to support, coach, and empower colleagues to deliver their best.
• Self-driven with a desire to improve processes, teams, and engineering practices.

Responsibilities

• Design and build large-scale, high-performance services using the latest technologies and engineering standards.
• Work with technologies such as Next.js, SQL, MongoDB, Kubernetes, Docker, serverless functions and event-driven architecture.
• Implement and enhance cloud-based solutions across AWS and Google Cloud Platform.
• Help lead the technical roadmap, shaping the long-term architecture and engineering strategy.
• Share knowledge, contribute to best practices and enable continuous improvement within the engineering community.
• Lead the design and support of internal frameworks that enhance engineering capabilities across the Sainsbury’s Group.
• Engineer across the entire product lifecycle—from inception through to decommissioning.
• Consider cost, scalability, and operational support implications in your technical decision-making.

Skills

NET development

Database design

Cloud platforms

Frontend knowledge

Docker & Kubernetes

Serverless & event-driven

CI/CD & IaC

DevSecOps practices

Problem-solving

Mentoring & communication

Continuous learning

Tools

Next.js

SQL

MongoDB

Kubernetes

Docker

Azure

React.js

TypeScript

AWS

Google Cloud

Job description

Sainsbury's Store Operations technology team is hiring a Senior.NET Engineer to design and deliver scalable, high‑performing services. You’ll shape technical direction, mentor colleagues, and influence engineering practices across the Sainsbury’s Group.

The role focuses on delivering customer‑facing features and store operations tools with cloud-based infrastructure. You’ll combine backend with frontend responsibilities, using .NET, React/TypeScript, Docker/Kubernetes, and CI/CD pipelines.