Software Development Engineer II (Frontend)

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Tesco UK • Welwyn Garden City • Hybrid • Full-Time • Apply by 22-May-2025 About the role At Tesco, we believe in the power of spending more time together, face to face, than apart. So, during your working week, you can expect to spend 60% of your time in one of our office locations or local sites and the rest remotely. We also recognise that life looks a little different for each of us. Some people are at the start of their careers, some want the freedom to do the things they love. Others are going through life-changing moments like becoming a carer, nearing retirement, adapting to parenthood, or something else. That's why at Tesco, we always welcome a conversation about flexible working. So, talk to us throughout your application about how we can support. 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. 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 years' 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, TypeScript, React, Node and the ecosystem of tools to develop and implement scalable frontend systems Profile and optimise code Apply understanding of cohesion and architectural 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 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 Must have We are looking for people who have a passion for Technology. You will demonstrate experience of different platforms and technologies. We expect to see some or all the following: 5+ Years commercial experience as a Frontend Software Developer Best-practices regarding all aspects of web development including design, semantic HTML mark-up, CSS, TypeScript, and related technologies Exposure to a variety of JavaScript frameworks and libraries such as: React, Redux, React-Router and testing with React Testing Library Jest, Cypress, Playwright, Jasmine, Enzyme, Mocha. Experience of using to create high traffic applications. Perhaps using , Sails, Koa or similar 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 cross 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 Nice to have Everyone's experience is different, and we understand we need to be realistic, however, we'd be especially keen to speak to you if you have experience with any of the following: Bringing multiple viewport responsive and adaptive web designs to life Modern JavaScript/TypeScript frameworks including Remix or Exposure to state machines and statecharts. Bonus points if this is with XState Developing web applications within the constraints of “non-standard” devices 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. Diversity, equity and inclusion (DE&I) at Tesco means that whoever you are and whatever your background, we always want you to feel represented and that you can be yourself at work. In short, we're a place where Everyone's Welcome. We're proud to have been accredited Disability Confident Leader and we're committed to providing a fully inclusive and accessible recruitment process. 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.
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Location:
London
Job Type:
PartTime

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