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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Fullstack Engineer - **Company:** Sainsbury’s Group - **Location:** London, UK (Remote available) - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Application Programming Interfaces (APIs), Agile Methodology, Artificial Intelligence, Amazon Web Services, Amazon Cloudfront, Unit Testing, Cascading Style Sheets (CSS), Cloud Computing, Databases, Continuous Integration, DevOps, Github, Identity and Access Management, Integrated Development Environments, PostgreSQL, Machine Learning, MongoDB, Node.Js, NoSQL, Package Management Systems, Pair Programming, Scrum Methodology, Systems Development Life Cycle, E2e Testing, Software Engineering, SQL Databases, TypeScript, Web Applications, Trunk-based Development, Tailwind, ReactJS, Cypress (Programming Language), Reliability of Systems, AWS Lambda, Backend, Event Driven Architecture, Material UI, Playwright, Extreme Programming, Figma, Graphql, Front End Software Development, React Redux, Cloudwatch, JestJS, Amazon Simple Queue Service (SQS), Terraform, New Relic (SaaS), Serverless Computing, Microservices - **Published:** September 11, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5878647479 ## About the Role To be considered for this role, you should possess industrial experience and have a strong passion for working with: * Relevant degree or equivalent qualification * Well-versed writing, maintaining and reviewing TypeScript code at production * Serverless infrastructure and AWS eco system * Modern React with hooks, experience writing unit tests (Vitest, RTL) for components * Modern CSS styling: Tailwind, CSS Modules, style-dictionary and design tokens * Redux experience is valued but not required - we use React Query * Writing and maintaining E2E on Playwright (but Cypress experience will be counted too) * Extensive experience in developing and utilising enterprise APIs. * Proficiency in SQL and NoSQL databases. * Customer-focused, owning the entire SDLC, and embodying DevOps principles. * Proven experience in software design and implementation, security, cloud infrastructure & monitoring CI/CD. * Enthusiastic about continuous learning, especially in emerging tech. What I need to show * A positive approach to change * A solution-focused mindset with creativity and adaptability * Good communication skills and the ability to navigate complex corporate governance environments * Attention to detail, * Proficiency in AWS (AWS Certification is a plus) * Competence in Terraform * Exposure in event-driven architectures is a plus. ## Description We're proud to work with one of the most exciting data sets in the UK. Our massive datasets, comprising billions of data points from diverse sources across the retail landscape, drive machine learning models that enhance personalisation and product recommendations. This work directly impacts millions of customers daily. In our inclusive, agile environment, you'll have the freedom to explore, experiment, and solve real-world challenges-seeing your creations in the hands of millions across the UK. Why join us You'll be part of one of our Engineering squads working on Ad-tech, interpreting and following architectural and engineering principles, operating frameworks, and new and improved technology and solutions. With your technical craft, curiosity and experimentation, you'll use judgement to apply specific techniques to deliver focused outcomes that support our customers. We use a variety of tech here and you need to be willing to pick up new tools and techniques. We'd also like you to be yourself - analytical, curious and unafraid to challenge the status quo. You'll constantly strive to improve the way things are done in your team, contributing as a progressive member of the engineering community. About the role * Build UI components and, sometimes, whole user routes from Figma designs, in React. * Write Typescript on the website's front-end, back-end and in-between: full stack * CSS-style the UI's using Tailwind and CSS Modules, while harnessing design tokens. * Actively contribute to developing large-scale services for optimal performance, utilising technologies like Node.JS, Typescript, Mongo DB, Postgres, SQL, AWS Lambda, GraphQL and Serverless framework. This extends to microservices and event-driven architecture. * Be proficient in unit testing (TDD), end-to-end testing and best practices. * Collaboratively contribute to the design and support of services and internal frameworks * Actively participate in research, scoping, and planning activities led by engineering and product managers for the development of new domain and platform capabilities. * Troubleshoot and resolve issues in production web applications, databases, services, and related components. * Actively participate in the support rota, providing timely assistance to ensure system reliability. * Foster team growth and development by providing support and mentorship to teammates, both through collaborative efforts, direct pair programming sessions and PR reviews * Familiar with trunk-based development and CI/CD pipelines using GitHub actions Our tech stack: * JavaScript/Typescript - especially Winston and package management (using npm) * Frontend: React * Backend: AWS Lambdas * AWS + Lambda + SQS + SNS + IAM + SES + Cloudwatch + Cloudfront + Secrets Manager * GraphQL * MongoDB * Serverless Framework & Terraform * New Relic, 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. ## Related Videos - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) - [Boost Productivity with AI: Figma & Playwright MCP Workflows - Aris Markogiannakis](https://www.wearedevelopers.com/videos/1768-boost-productivity-with-ai-figma-playwright-mcp-workflows-aris-markogiannakis) - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [NoSQL Data Modeling for Front-end Developers](https://www.wearedevelopers.com/videos/297-nosql-data-modeling-for-front-end-developers) - [Designing the Future of Human<>Agent Collaboration](https://www.wearedevelopers.com/videos/1447-designing-the-future-of-human-agent-collaboration) - [Build and Deploy a Fullstack App with Open Source Tooling](https://www.wearedevelopers.com/videos/775-build-and-deploy-a-fullstack-app-with-open-source-tooling) ## Related Articles - [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Frontend Developer Salary in The UK](https://www.wearedevelopers.com/magazine/233-frontend-developer-salary-in-the-uk) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline)