Senior .Net Engineer - Argos (SV)

About the Role

We’re looking for a talented .NET Engineer to help design, build and deliver high‑performing technology that improves customer experience, drives business efficiency and reduces operating costs.

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.

What You’ll Do

As a .NET Engineer, you will:

• Design and build large‑scale, high‑performance services using the latest technologies and engineering standards.


• Work with technologies such as React.js, SQL, MongoDB, Kubernetes, Docker, serverless functions and event‑driven architecture.


• Implement and enhance cloud-based solutions across AWS and Google Cloud Platform.


• Contribute to the technical roadmap, shaping the long‑term architecture and engineering strategy.


• Support internal frameworks and services that improve capability across the wider organisation.


• Share knowledge, contribute to best practices and enable continuous improvement within the engineering community.

Who You Are

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.

Essential Criteria

To be successful in this role, you will need:

Technical Skills

• Strong experience in .NET development and associated engineering principles.


• Proficiency with relational and non‑relational databases (e.g., SQL, MongoDB).


• Experience working with cloud platforms (AWS and/or Google Cloud Platform).


• Knowledge of React.js 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.

Ways of Working

• Strong advocate for agile/lean delivery methodologies.


• Ability to collaborate effectively across multidisciplinary teams.


• Self-driven mindset with a passion for continuous learning and innovation.

What’s in It for You

• Colleague discount across Sainsbury’s, Argos and Habitat


• Competitive holiday allowance


• Bonus scheme


• Pension plan


• Flexible / smarter working policy


• Access to a wide range of discounts (gyms, restaurants, retail and more)