Fullstack Engineer

Full Stack Engineer | Sainsbury's Tech

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.

Essential Criteria

• 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 Cypress (but Playwright 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

  Benefits 

As well as lots of on-the-job training and endless opportunities, you'll get: 

• Colleague discount across our multi-brands - Sainsbury's, Argos, Tu and Habitat 
• Holiday allowance 
• Bonus scheme 
• Pension plan
• Special offers on gym memberships, restaurants, holidays, retail vouchers and more