Senior Frontend-Developer

As a front-end developer you will get to work on a range of web applications, from large-scale custom-built enterprise systems to simple stylish campaigns.

You will work with a variety of well-known multinational clients and will be involved in all stages of a project lifecycle, from concept and ideation, through to build and continuous improvement and development.
You will be a good communicator, with a strong understanding of front-end web development and comfortable making decisions on the company's approach and direction regarding front-end development. You will have experience in, or be happy to take on, managing the time of yourself and your team, delegating tasks when necessary, and reviewing the work of others to help them improve.

Key responsibilities

  • Developing high quality front-end code for new builds, and maintaining and developing existing sites
  • Being part of a digital agency, working with project managers; UX/UI designers; internal, near-shore and off-shore development and QA teams
  • Being client facing and providing demos to external stakeholders
  • Building performant, progressive and SEO friendly front-ends that work across a range of browsers and devices
  • Ensuring front-end applications match the design across desktop, tablet and mobile, and animations, as well as working closely with the UX/UI teams to assess the feasibility of the proposed designs
  • Contributing to the general high standard of front-end across the business, and taking ownership of improving and maintaining a best practice approach
  • Working in an agile development team; implementing industry best practice coding standards to ensure quality, whilst delivering projects to time/budget
  • Providing estimates for future work
  • Reviewing the work of others to maintain a good standard of work throughout the department
  • Planning, designing, and writing automated tests including unit (using JEST) and integration tests

Key requirements (ideal candidate)

  • Minimum 5 years professional work experience, including experience working in a digital agency
  • Strong front-end knowledge, including responsive web development
  • Experience building custom animations and parallax scrolling front-end applications
  • Solid understanding of pre-processors, such as SASS/LESS
  • Solid JavaScript programming skills such as ES6, vanilla JavaScript, object-oriented coding
  • Sound working knowledge of React, Next.js
  • Knowledge of Node.js
  • Sound working knowledge of GraphQL (e.g., Apollo Client)
  • An understanding of code splitting
  • Knowledge of task runners, such as Gulp/Grunt
  • Strong understanding of version control, ideally Git
  • Awareness of the importance of efficiency and optimisation on the web, particularly regarding mobile devices
  • Awareness of the pitfalls of older browsers, and the capability to incorporate graceful degradation


  • Degree in Computer Science/Engineering
  • Experience with Azure (Cloud, DevOps) or similar
  • Experience with styled components
  • Experience with Vue.js/Nuxt or Angular
  • Experience with Vercel hosting
  • Experience with Sitecore/JSS
  • Experience with Storybook
  • Experience running virtual environments using Docker/Vagrant
  • Experience working with traditional CMS solutions as well as headless (e.g., Umbraco, ContentStack, Sanity,io and Contentful, etc.)

What we give in return

People are our biggest asset and we work hard to make sure Tangent is not only a fun place to work but also provides a platform for you to grow.
Mentorship. You will be working as part of a talented and experienced team. Our passion and desire to do great work is infectious.
Training. Learning new skills, attending events. We provide the time and budget to help you grow.
Flexibility. We understand life is about balance and we provide flexibility and support to help you achieve your life goals.This can include hybrid working from home and the office.
Social life. We have so much going on at Tangent; all designed to help you form friendships with your colleagues including monthly socials, free lunches and much more.
Benefits. We reward our people generously for their hard work. This includes enhanced leave for years of service and days off for voluntary work.
At Tangent our aim is to create a working environment where every single member of the team has the opportunity to be themselves. We are an equal opportunities employer and will welcome and consider all applications regardless of age, disability, gender reassignment, marriage and civil partnership, pregnancy and maternity, race, religion, sex and sexual orientation.
Apply on Linkedin or contact us if you want to chat about this role.