Associate .Net Engineer - Retail (12M FTC)

Join Sainsbury's Tech as an Associate Engineer

Are you passionate about technology, curious by nature, and eager to build solutions that make a difference to millions of customers? We're looking for Associate Engineers to join our engineering teams and help shape the future of digital experiences across Sainsbury's, Argos and Habitat.

As an Associate Engineer, you'll work alongside experienced engineers in a collaborative, agile environment, contributing to the design, development and support of modern technology solutions. You'll gain hands-on experience across websites, mobile apps, cloud platforms, microservices and event-driven architectures while continuously developing your technical skills and engineering expertise.

This is an excellent opportunity for engineers early in their careers who are excited to learn, experiment, and grow within a large-scale technology organisation.

What you'll be doing

• Contributing to the design, development and support of scalable technology solutions and customer-facing products.
• Building and enhancing websites, mobile applications, APIs, microservices and event-driven systems.
• Working with technologies such as C# .Net, React and Next.js, MongoDB and SQL.
• Learning and applying cloud-native technologies including Kubernetes and major cloud platforms (AWS, Azure and GCP).
• Supporting the engineering lifecycle from development through to deployment, maintenance and decommissioning.
• Collaborating with cross-functional teams to deliver high-quality solutions that meet customer and business needs.
• Contributing to technical roadmaps and engineering best practices.
• Continuously improving your technical knowledge and exploring emerging technologies.

Essential Criteria

• Commercial experience or strong academic background in software engineering or computer science.
• Experience programming in at least one modern language or framework such as C# .Net, React, Next.js, JavaScript.
• Solid understanding of software engineering principles, design patterns and development best practices.
• Awareness of cloud technologies, CI/CD pipelines and modern software delivery approaches.
• Knowledge of Agile delivery methodologies and collaborative ways of working.
• Strong problem-solving skills with a curiosity for learning and experimenting with new technologies.
• Passion for building solutions that deliver value to customers.
• Excellent communication and teamwork skills with a willingness to learn from and support others.

Desirable Skills

• Exposure to cloud platforms such as AWS, Azure or Google Cloud.
• Knowledge of containerisation technologies such as Docker and Kubernetes.
• Experience working with APIs, microservices or event-driven architectures.
• Understanding of DevOps principles and automation.
• Personal projects, internships, placements or open-source contributions demonstrating technical capability and enthusiasm for engineering.

What We Offer

• Colleague discount across Sainsbury's, Argos and Habitat.
• Annual bonus scheme.
• Competitive pension plan.
• Generous holiday allowance.
• Special offers and discounts on gyms, restaurants, holidays and retail.
• Ongoing learning, mentoring and career development opportunities.
• Flexible and hybrid working arrangements that support a healthy work-life balance.

Ready to start your engineering career with one of the UK's largest tech teams?

Apply today and help us build technology that serves millions of customers every day while developing your skills alongside talented engineers in a supportive, innovative environment.

We are committed to being a truly inclusive retailer, so you'll be welcomed whoever you are and wherever you work. Around here, there's always the chance to try something new - whether that's as part of an evolving team or somewhere else across the business - and we take development seriously and promise to support you. We also recognise and celebrate colleagues when they go the extra mile and, where possible, offer flexible working. When you join our team, we'll also offer you an amazing range of benefits. Here are some of them:

Starting off with colleague discount, you'll be able to get 10% off at Sainsbury's, Argos, TU and Habitat after 4 weeks. This increases to 15% off at Sainsbury's every Friday and Saturday and 15% off at Argos every pay day. We've also got you covered for your future with our pensions scheme and life cover. You'll also be able to share in our success as you may be eligible for a performance-related bonus of up to 10% of salary, depending on how we perform.

Your wellbeing is important to us too. You'll receive an annual holiday allowance, and you can buy additional holiday. We also offer other benefits that will help your money go further such as season ticket loans, cycle to work scheme, health cash plans, pay advance (where you can access some of your pay before pay day) as well access to a great range of discounts from hundreds of other retailers. And if you ever need it there is also an employee assistance programme.

Moments that matter are as important to us as they are to you which is why we give up to 26 weeks' pay for maternity or adoption leave and up to 4 weeks' pay for paternity leave.

Please see for a range of our benefits (note, length of service and eligibility criteria may apply).