Senior Fullstack .Net Engineer - Retail (MK) in Coventry

Senior Fullstack .Net Engineer - Retail (MK) in Coventry

Coventry Full-Time 63000 - 77000 £ / year (est.) Home office (partial)
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At a Glance

  • Tasks: Design and build high-performance software solutions that enhance customer experience.
  • Company: Join Sainsbury’s, a leading retailer with a commitment to innovation.
  • Benefits: Enjoy discounts, competitive salary, flexible working, and a supportive environment.
  • Other info: Embrace continuous learning and enjoy excellent career growth opportunities.
  • Why this job: Make a real impact in a dynamic tech environment while mentoring others.
  • Qualifications: Strong .NET development skills and experience with cloud technologies required.

The predicted salary is between 63000 - 77000 £ per year.

About the Role

We’re looking for a talented Senior Full stack .NET Engineer to help design, build and deliver high‑performing technology that improves customer experience, drives business efficiency and reduces operating costs. You’ll help shape technical direction and mentor others whilst championing engineering excellence and be a valued contributor to our broader engineering community. 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

  • 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.
  • 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.

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

  • 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/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.

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).

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.

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 20% 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, interest free car loan of up to 10k, 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, you will also be eligible for private healthcare too.

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.

We’d all like amazing work to do, and real work-life balance. That’s waiting for you at Sainsbury’s. Think about the scale it takes to feed the nation. The level of data, transactions and variety involved. Then you’ll realise this is a modern software engineering environment, because it has to be. We’ve made significant investment in the standards and principles that shape how we work. We iterate, learn, experiment and champion ways of working such as Agile, Scrum and XP. So you can look forward to exciting opportunities across everything from AI to reusable tech.

Full time

Posting Date: 2026-08-06

Senior Fullstack .Net Engineer - Retail (MK) in Coventry employer: Sainsbury's Bank

As a Customer and Trading Manager at Sainsbury's, you'll be part of a dynamic team that prioritises exceptional customer service and operational excellence. Our inclusive work culture fosters personal growth through mentorship and training, while our comprehensive benefits package, including generous discounts and wellbeing support, ensures you feel valued and supported in your role. Join us in creating a seamless shopping experience for our customers, where your leadership can truly make a difference.

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Contact Details:

Sainsbury's Bank Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Senior Fullstack .Net Engineer - Retail (MK) in Coventry

Join Local Tech Meetups

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Contribute to Open Source Projects

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Tap into Online Developer Communities

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We think you need these skills to ace Senior Fullstack .Net Engineer - Retail (MK) in Coventry

.NET Development
React.js
Typescript
SQL
MongoDB
AWS
Google Cloud Platform

Some tips for your application 🫡

Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.

Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at Sainsbury's Bank.

Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Sainsbury's Bank and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!

Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!

How to prepare for a job interview at Sainsbury's Bank

Brush Up on Your Coding Skills

For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.

Know Your Tools and Frameworks

Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If Sainsbury's Bank uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.

Showcase Your Projects

Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.

Prepare for Behavioural Questions

While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.