You’ll be a passionate, pragmatic Frontend / Web Software Engineer with an inquisitive mind who is motivated to make change for the better and most importantly put our customer first. You’ll enjoy working as part of a team and be a keen problem solver. Comfortable with modern engineering practices and frontend development tooling and technologies you’ll use innovation to improve the customer experience and efficiency of engineering teams.

What is in it for you

We’re all about the little helps. That’s why we make sure our Tesco colleague benefits package takes care of you – both in and out of work. Click Here to find out more! 

• Annual bonus scheme of up to 20% of base salary 
• Holiday starting at 25 days plus a personal day (plus Bank holidays) 
• Private medical insurance 
• 26 weeks maternity and adoption leave (after 1 year’s service) at full pay, followed by 13 weeks of Statutory Maternity Pay or Statutory Adoption Pay, we also offer 4 weeks fully paid paternity leave 
• Free 24/7 virtual GP service, Employee Assistance Programme (EAP) for you and your family, free access to a range of experts to support your mental wellbeing 

You will be responsible for

Including, but not limited to:

• Use your in-depth knowledge of JavaScript, React, Node and the tool ecosystem to develop and implement scalable frontend systems 
• Profile and optimise code
• Produce test-driven features in a specific programming language and demonstrate familiarity with the TDD cycle
• Apply understanding of cohesion and the SOLID principles to create well-structured, maintainable software
• Identify patterns in code and refactor the code towards them, where it increases understanding and/or maintainability with minimal guidance
• Translate requirements into tasks & code 
• Develop high-quality code that can lead to rapid delivery, ruthlessly pursuing continuous integration and delivery - CICD
• Commit code early and often, demonstrating understanding of version control & branching strategies
• Automate everything by default
• Write secure code by default
• Write maintainable code and observe basic hygiene practices
• Implement relevant project instrumentation
• Follow the best practices of continuous BDD/TDD/Performance/Security/Smoke testing.
• Work effectively with product stakeholders to communicate and translate needs into product improvements 
• Lead group discussions on system design and understand the domain well enough to work with Product Managers to drive value 
• Support production systems, resolve incidents and perform root cause analysis
• Debug/find complex problems and support/maintain the software solution
• Share knowledge with the wider engineering community
• Mentor and develop others around you
• Produce proof of concepts to evaluate new tools

You will need

We are looking for people who have a passion for Technology. You will likely have made open source contributions and have a GitHub account. You will demonstrate experience with different platforms and technologies. We expect to see some or all of the following:

• + Years of commercial experience as a Frontend Software Developer
• Best practices regarding all aspects of web development, including design, semantic HTML markup, CSS, JavaScript and related technologies
• Exposure to a variety of JavaScript frameworks and libraries such as: React, Redux, Webpack, React-Router and testing with React Testing Library, Jest, Cypress, Jasmine, Enzyme, and Mocha.
• Experience of using Node.js to create high-traffic applications using Express.js, Sails, Koa or similar
• Experience in bringing multiple viewport responsive and adaptive web designs to life
• Awareness and practice of UI performance best practices
• Understanding and exposure to integrating REST API endpoints
• Strong experience and understanding of industry standard web accessibility, web design & usability, to support sites across browser/platform/device
• A desire to write readable, maintainable, modular and extendable code
• Exposure to the DevOps model
• Experience in Lean and Agile environments and understanding of principles behind methodologies such as BDD, ATDD and TDD

About us

Our vision at Tesco is to become every customer's favourite way to shop, whether they are at home or out on the move. Our core purpose is ‘Serving our customers, communities and planet a little better every day’. Serving means more than a transactional relationship with our customers. It means acting as a responsible and sustainable business for all stakeholders, for the communities we are part of and for the planet. 

We are proud to have an inclusive culture at Tesco where everyone truly feels able to be themselves. At Tesco, we not only celebrate diversity, but also recognise the value and opportunity it brings. We're committed to creating a workplace where differences are valued, and to making sure that all colleagues are given the same opportunities. We’re proud to have been accredited as a Disability Confident Leader, and we’re committed to providing a fully inclusive and accessible recruitment process. For further information on the accessibility support we can offer, please click here. 

We’re a big business and we can offer a range of diverse full-time & part-time working patterns across our many business areas, which means that we can find something that works for you.  We work in a more blended pattern - combining office and remote working.  Our offices will continue to be where we connect, collaborate and innovate.  If you are applying internally, please speak to the Hiring Manager about how this can work for you. Everyone is welcome at Tesco.