Frontend Developer

About the role

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.

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
  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 of different platforms and technologies. We expect to see some or all of the following:

• + Years commercial experience as a Frontend Software Developer
• Best-practices regarding all aspects of web development including design, semantic HTML mark-up, 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, 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 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
  
  

Whats 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 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 

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 recognise the value and opportunity it brings. We're committed to creating a workplace where differences are valued, and make sure that all colleagues are given the same opportunities. We’re proud to have been accredited 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.