Lead Front End Engineer(Agentic Intelligence) in London – GroupM

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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 GitLab. 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…

#J-18808-Ljbffr”, “datePosted”: “2026-05-18”, “hiringOrganization”: { “@type”: “Organization”, “name”: “Java Script Works”, “sameAs”: “https://uk.whatjobs.com/pub_api__cpl__435626878__4861?utm_campaign=publisher&utm_medium=api&utm_source=4861&geoID=33” }, “jobLocation”: { “@type”: “Place”, “address”: { “@type”: “PostalAddress”, “addressLocality”: “London” } } }
Company: Java Script Works
Apply for the Lead Front End Engineer(Agentic Intelligence) in London – GroupM
Location: London
Job Description:

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 GitLab. 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…

#J-18808-Ljbffr…

Posted: May 18th, 2026