Senior Front End D3 JavaScript Software Engineer

Salary: £58,000 - 98,000 per year

Requirements:

• We are looking for a Senior Front End Software Developer with at least 7 to 10 years of experience working with D3, React, and JavaScript.
• We need strong proficiency in JavaScript, CSS, and HTML, including DOM manipulation and the JavaScript object model.
• We require a thorough understanding of React.js and its core principles and workflows such as Flux or Redux.
• We are looking for data visualisation experience, including D3.js.
• We need experience with continuous integration, test automation, and monitoring.
• We expect familiarity with RESTful APIs.
• We expect knowledge of modern authorization mechanisms such as JSON Web Token.
• We expect familiarity with modern front-end build pipelines and tools.
• We expect experience with common front-end development tools such as Babel, Webpack, and NPM.
• We expect familiarity with code versioning tools.

Responsibilities:

• We will have you deliver pixel-perfect, high-quality code in a timely manner.
• We will have you create easy to use, easy to understand applications.
• We will have you participate in technical discussions with technical leads and within the team.
• We will involve you in creating sophisticated, robust, and easy to use web apps.
• We will have you work on data-heavy applications for our principal client during a large-scale digital transformation.

Technologies:

• Babel
• CSS
• D3
• JSON
• JavaScript
• NPM
• React
• Redux
• Webpack
• Web
• Java
• Nexus
• Frontend

More:

We are working with a client based in Holborn, London, using the latest cutting-edge front-end technologies. The role is permanent and full time, with a salary range of 70K to 90K. You will be part of a close-knit team solving complex problems together while building sophisticated web applications for a major management consultancy undergoing a large-scale digital transformation.

last updated 35 week of 2026