Lead Front End Engineer; Agentic Intelligence GroupM

Job in London, Greater London, W1B, England, UK

Listing for: Java Script Works

Full Time position
Listed on 2026-05-18

Job specializations:

Software Development
Front End Developer, React.js

Salary/Wage Range or Industry Benchmark: 80000 - 100000 GBP Yearly GBP 80000.00 100000.00 YEAR

Position: Lead Front End Engineer(Agentic Intelligence GroupM

Frameworks and Tools

Approaches using frameworks like Cypress, Jest, Jasmine, Mocha, or Chai with Protractor and Karma. Package managers (NPM or Yarn). Webpack and node.js are a big plus as we tend to build our facades in it. Version control using Git with Github or Git Lab. Web development with API-feed.

Code Quality

Processes should be defined, refined, and signed off for your project before development. Produce clean, efficient, reusable, tested code. Advanced OOP in Typescript. React Application state management (e.g. ngrx, redux). Advanced HTML5, CSS and CSS preprocessors (Sass). Automated TDD and BDD approach.

Skills and Attributes

Able to communicate at all levels of seniority and levels of technical understanding. Influencing technical decisions in a project. JavaScript without frameworks. Attention to detail and producing pixel-perfect implementations of designs. A strong work ethic; able to work under...

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