AWS DevOps Engineer - AWS - Lambda - NodeJS - React
Salary: Competitive Plus Benefits
Location: London Store Support Centre and Home, London, EC1M 6HA
Contract type: Permanent
Business area: Sainsbury's Tech
Closing date: 27 June 2025
Requisition ID: 400002761
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 for us to feed the nation. The level of data, transactions and variety it involves. Then you’ll realise that ours is a modern software engineering environment because it has to be. We’ve made serious investment into a Tech Academy and into setting standards and principles. We iterate, learn, experiment and push ways of working such as Agile, Scrum and XP. So you can look forward to awesome opportunities in everything from AI to reusable tech.
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 for us to feed the nation. The level of data, transactions and variety it involves. Then you’ll realise that ours is a modern software engineering environment because it has to be. We’ve made serious investment into a Tech Academy and into setting standards and principles. We iterate, learn, experiment and push ways of working such as Agile, Scrum and XP. So you can look forward to awesome opportunities in everything from AI to reusable tech.
About the role
- Help build and maintain CI/CD pipelines using GitHub Actions to support fast, reliable deployments across multiple environments, including for JavaScript/TypeScript and React applications.
- Work closely with engineers to improve local development and deployment workflows, aiming for speed, simplicity, and consistency — particularly in Node.js-based services.
- Support infrastructure-as-code using tools like Terraform and Serverless Framework, in AWS and Azure.
- Assist in maintaining and evolving monitoring, logging, and alerting systems like New Relic, with attention to Node.js observability needs.
- Contribute shared internal tools and automation scripts that reduce manual tasks and streamline delivery.
- Work on environment setup and lifecycle, potentially including ephemeral environments, UAT, staging, and production.
- Troubleshoot infrastructure and deployment issues and help keep systems running smoothly.
- Write clear documentation and guides to help others understand and use platform tools confidently.
- Stay up to date with platform and CI/CD best practices and help implement improvements as needed.
You’ll be a role model for best practices, championing a customer centric mindset and a passion for ` creative ways to solve problems, as well as mentoring fellow engineers as a progressive member of the engineering community. We’d also like you to be yourself – analytical, curious and unafraid to challenge the status quo.
More about the role
· You’ll work with technologies at Enterprise scale
· You may be asked to participate in out of hours support and should aim to build reliability and fault tolerance into the product, as well as engineering systems that are simple to diagnose and fix.
· You’ll guide, support and enable performance within the team through providing technical knowledge and ideas
More about you
· Great expertise in modern Cloud engineering practices, including deep knowledge of system architecture, reliability engineering and DevOps principles.
· Proven experience of cloud architecture, container orchestration, infrastructure as code and CI/CD
· Self-driven and constantly striving to improve your team, division and peers
· Drive for advocacy of agile/lean delivery methodologies
· A passion for delivering solutions to customers, owning the whole SDLC and living the DevSecOps principles
· Ideally, prior experience of developing and operating a self-service Platform-as-a-Service.
· A passion for enhancing your knowledge and evidence of curiosity in emerging tech
· Display pragmatism, empathy and understanding when interacting with team, stakeholders and customers.
Technologies we use
- AWS
- JavaScript and Typescript.
- Terraform
- Node JS ecosystem
- Flux
- Mono Repositories
- Hashicorp Vault
- GitHub Actions
- New Relic
- GraphQL, or tRPC APIs
- OPA Gatekeeper
- React with hooks
- AWS Lambda + Serverless
- NoSQL Databases(Mongo Atlas)
As well as lots of on-the-job training and endless opportunities, you’ll get:
· Colleague discount across our multi-brands – Sainsbury’s, Argos and Habitat
· Holiday allowance
· Bonus scheme
· Pension plan
· Special offers on gym memberships, restaurants, holidays, retail vouchers and more
Work-life balance is important to us, so we offer our colleagues as much flexibility as possible in line with the needs of their role. We trust them to decide how, where and when they work, combining remote and collaborative working with a flexible approach to hours, giving them plenty of time and space for life outside of work whilst delivering against our business goals.
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 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. Please see www.sainsburys.jobs for a range of our benefits (note, length of service and eligibility criteria may apply).
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 www.sainsburys.jobs for a range of our benefits (note, length of service and eligibility criteria may apply).
