Senior | Lead Front-End (FE) developer
London, United Kingdom
2d ago


Position at m Platform

Senior Lead Front-End (FE) developer

At the heart of the world’s leading media agency network is a future-facing product company, building the tools to make media work for everyone.

In partnership with the globe’s leading clients, agency teams, media companies and technology platforms, we’re using our privileged position to help our customers ascend to vantage points unique in our industry.

Our teams bring together agile product management, cutting edge data science and enterprise scale engineering to build products that will shape the next decade of data driven marketing.

We believe consumer privacy, client confidentiality, brand growth and user experience are essential to performance and the sustainability of the advertising ecosystem and have assembled a global team with diverse skills and experience to help shape that future.

About the role

As a Senior Front-End Developer at GroupM, you will work with a dedicated team to build captivating online experiences with a strong focus on quality and creating value for our clients.

You’ll work with a team of developers using open source technologies, tools and delivery approaches to rapidly design and build.

Our philosophy of continuous improvement means all team members are committed to play and reinvent the way we work, encouraging everyone to grow and improve their skills.

What you will be doing :

  • Manage the team’s workload and work with the Product Owner on backlog prioritization
  • Lead the effort of accurate estimates on requirements
  • Ensure all tasks are completed as planned and executed to the highest level of quality and efficiency
  • Be an active contributor to the FE Chapter - attend Chapter sessions, contribute to the discussions, share ideas and help set the standards and processes for the Chapter
  • Work collaboratively with the Design and Product practices.
  • Ensure all new UX / Design brief is fully understood, technically assessed and signed-off for your project before development
  • Identify performance or quality issues and design and implement changes to make these more efficient and effective
  • Produce clean, efficient, reusable, tested code
  • Competencies

  • Advanced OOP in Typescript and ES2018 / 19
  • 2nd generation Angular (6+) in a Production app
  • Application state management (e.g. ngrx, redux)
  • Advanced HTML5, CSS and CSS preprocessors (Sass or Less)
  • Automated TDD and BDD approaches using frameworks like Cypress, Jest, Jasmine, Mocha or Chai with Protractor and Karma
  • Package managers (NPM or Yarn)
  • Webpack, Gulp or Grunt
  • Version control using Git (or Mercurial) with Github or GitLab
  • Web development with API-feed data
  • Progressive Web Apps (PWA)
  • Using style / brand guides
  • Working with designers (graphic and UX)
  • Designing and implementing technical solutions that are robust, scalable, performant and secure
  • Ability to assess the impact of decisions made when designing and implementing solutions on our client’s bottom line
  • Great interpersonal skills; able to communicate at all levels of seniority and levels of technical understanding
  • Skills

  • Influencing technical decisions in a project
  • JavaScript without frameworks
  • Attention to detail and producing pixel perfect implementation of designs
  • A strong work ethic; able to work under pressure and juggle multiple responsibilities to meet deadlines and deliver great results
  • An ability to work without close supervision, supply clear progress updates, raise concerns when necessary and ultimately manage your own time to meet deadlines
  • Ability to provide an interface to perform e2e tests from eXecutable Specification
  • Staying abreast of the latest developments in Front-end
  • Strong sense of UX from a coding perspective
  • Mentoring junior developers
  • Knowledge

  • Web Accessibility (specifically WAI-ARIA)
  • Working in a CI / CD environment
  • Using containers / Docker
  • Atomic or material design
  • Agile / Scrum
  • Sound understanding of coding standards and conventions
  • Documentation
  • Familiarity with OpenAPI
  • Nice to have

  • Familiarity with React, Python, node.js, and Go
  • HATEOAS / Hypermedia APIs

    GroupM is a WPP company. WPP is the world leader in marketing communications services. Within WPP, GroupM is the consolidated media investment management operation and parent company to world-famous media agencies, such as Mediacom, Mindshare, Wavemaker and Essence.

    The company has offices in New York City, Boston, Chicago, Los Angeles, San Francisco, Irvine, Atlanta, Seattle and in many other major markets around the globe.

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