> Markdown version of [/jobs/ext/3521108-javascript-front-end-developer](https://www.wearedevelopers.com/jobs/ext/3521108-javascript-front-end-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Javascript Front End Developer - **Company:** Nexus - **Location:** London, UK - **Salary:** £40,000.0 - £60,000.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), PHP (Programming Language), HTML5, Browser Compatibility, Client Server Models, Cascading Style Sheets (CSS), Junit, Node.Js, Preprocessor, Web Application Frameworks, Backend, Syntactically Awesome Style Sheets (SASS), Front End Software Development, Mocha, Jasmine - **Published:** October 2, 2026 - **Apply:** https://www.free-work.com/en-gb/tech-it/job-mission/front-end-developer-javascript-node-react-angular-vue/javascript-front-end-developer-central-london-11 ## About the Role Excellent JavaScript (Vanilla) with code patterns Good knowledge of some JS frameworks (e.g. Angular, Backbone) Complete understanding of the full web stack Solid knowledge of CSS pre-processors (SASS, LESS) and HTML5 Knowledge of some server side languages (e.g. PHP, NodeJS) Knowledge of some client / server testing framework (e.g. Mocha, Jasmine, JUnit) Bilingual English and JavaScript ## Description JavaScript Engineer required to join a fast growing company and shape the future of payments cross-platform and cross-device? Evolving in an agile and collaborative environment, you will be part of a multidisciplinary and excellence-driven team and bring your solid native JavaScript skills and perspective to all projects that you're involved in. The role is uniquely positioned to be deeply involved in the entire product lifecycle, working side by side with Front-End & Back-End Developers, Architects and Designers towards a common goal: provide millions of online shoppers worldwide with the best possible payment experience. The ideal candidate must live and breathe agile and firmly believe in creating clean, testable code. Key Responsibilities Create intuitive, robust, and reusable user interfaces using Vanilla JS Build cross platform, cross browser, responsive HTML5 and CSS3 Engage in the entire product development cycle to understand business objectives and user goals, and ensure solutions offer true value to our customers Produce high quality solutions that will enhance or simplify existing processes Work with designers to promote brand and interface guidelines Encourage the use of best practices and workflows throughout the organization Contribute to team discussions and stand-ups ## Related Videos - [Next, Nest, Nuxt… Nust?](https://www.wearedevelopers.com/videos/421-next-nest-nuxt-nust) - [Test Driven Development with JavaScript](https://www.wearedevelopers.com/videos/222-test-driven-development-with-javascript) - [How Unit Testing Saved My Career](https://www.wearedevelopers.com/videos/1642-how-unit-testing-saved-my-career) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [To New Frontiers: The Future of Frontend Development](https://www.wearedevelopers.com/videos/404-to-new-frontiers-the-future-of-frontend-development) - [Form Validation. The Tested Way](https://www.wearedevelopers.com/videos/314-form-validation-the-tested-way) ## Related Articles - [The Best 7 Frontend Frameworks for Developers in 2025](https://www.wearedevelopers.com/magazine/400-the-best-7-frontend-frameworks-for-developers-in-2025) - [Frontend Developer Salary in The UK](https://www.wearedevelopers.com/magazine/233-frontend-developer-salary-in-the-uk) - [The Best JavaScript Framework to Learn](https://www.wearedevelopers.com/magazine/229-the-best-javascript-framework-to-learn) - [Dev Digest 133 - Back to Front](https://www.wearedevelopers.com/magazine/474-dev-digest-133-back-to-front) - [25 Essential Tools for Front End Developers](https://www.wearedevelopers.com/magazine/210-25-essential-tools-for-front-end-developers) - [What’s the Difference Between Frontend and Backend Development?](https://www.wearedevelopers.com/magazine/240-what-s-the-difference-between-frontend-and-backend-development)