Senior .NET Engineer - Cloud-Native & Scalable Systems

Sainsbury's; Coventry; On-site; GBP 60,000 - 90,000; Full time

Benefits offered by this job

Colleague discount across Sainsbury’s,

Bonus scheme

Pension plan

Flexible / smarter working policy

Discounts (gyms, restaurants, retail)

Job summary

Sainsbury's are seeking a Senior .NET Engineer to design, build and deliver high-performing software that enhances customer experiences and operational efficiency across store operations. You’ll mentor peers while shaping technical direction and championing engineering excellence in a fast-paced, collaborative environment.

In this role you’ll work with Next.js, SQL, MongoDB, Kubernetes, Docker, and serverless architectures, contributing to cloud-native solutions and scalable systems used daily

Qualifications

• Strong experience in .NET development and associated engineering principles.
• Proficiency with relational and non-relational databases (SQL, MongoDB).
• Experience with Azure cloud platform.
• 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 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 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

SQL

MongoDB

Azure

React.js/Typescript

Docker

Kubernetes

Serverless

CI/CD

DevSecOps

Agile methodologies

Mentoring

Cloud architecture

Tools

Next.js

Docker

Kubernetes

CI/CD tooling

Job description

Sainsbury's are seeking a Senior .NET Engineer to design, build and deliver high-performing software that enhances customer experiences and operational efficiency across store operations. You’ll mentor peers while shaping technical direction and championing engineering excellence in a fast-paced, collaborative environment.

In this role you’ll work with Next.js, SQL, MongoDB, Kubernetes, Docker, and serverless architectures, contributing to cloud-native solutions and scalable systems used daily