> Markdown version of [/jobs/ext/2669197-senior-front-end-developer-leiden-netherlands](https://www.wearedevelopers.com/jobs/ext/2669197-senior-front-end-developer-leiden-netherlands). 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). --- # Senior Front End Developer (Leiden, Netherlands) - **Company:** ReelMetrics - **Location:** Leiden, Netherlands - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** HTML, JavaScript (Programming Language), Amazon Web Services, Bootstrap (Software), Cascading Style Sheets (CSS), Continuous Integration, ECMAScript, Design of User Interfaces, JSON, PostgreSQL, Ruby on Rails, Apache Yarn, Devexpress, ReactJS, Vue.js, Webpack, AngularJS, Kubernetes, Plotly, Npm(Software), Front End Software Development, Vertica, Teamcity, Restful APIs, Software Version Control, Docker - **Published:** September 2, 2026 - **Apply:** https://www.reelmetrics.com/job/Senior%20Front%20End%20Developer%20(Leiden,%20Netherlands) ## About the Role * Personal: Smart, team player, flexible, sense of humor * Spoken Languages: English (Dutch is a plus) * Version Control: Git/GitHub Experience: * 3-5 years professional frontend experience with modern JavaScript, HTML, a CSS Framework * 1-2 years of working experience preferably with ReactJS/ES6, or alternatively with another modern JavaScript framework (Angular, Vue) * Some experience with tools like NPM, WebPack or Yarn * Solid understanding of REST API's and JSON * 1-2 years of experience/interest in UI/UX development Nice to Have * Experience with some of our existing technology stack: Bootstrap, Storybooks, Plotly, DevExpress, Ruby on Rails, PostgresSQL, HP Vertica, Docker, Kubernetes, CI/CD (TeamCity), AWS, testing/javascript testing ## Description Developing intuitive user interfaces with HTML, JavaScript and CSS will be your core challenge. It's the icing on the cake that exposes the hard work of the whole team. You will work with modern technologies like ReactJS, SCSS, WebPack, NPM and Bootstrap. You will build visualizations & prototypes of UI's and enhance these to full production versions with ## Related Videos - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [Tips and Tricks for Working with JSON](https://www.wearedevelopers.com/videos/1229-tips-and-tricks-for-working-with-json) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [To New Frontiers: The Future of Frontend Development](https://www.wearedevelopers.com/videos/404-to-new-frontiers-the-future-of-frontend-development) - [NoLoJS - Avoiding JavaScript Cruft with HTML and CSS - Aaron T. Grogg](https://www.wearedevelopers.com/videos/1806-nolojs-avoiding-javascript-cruft-with-html-and-css-aaron-t-grogg) - [React and the power of visualisation](https://www.wearedevelopers.com/videos/100-react-and-the-power-of-visualisation) ## Related Articles - [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023) - [16 Best Free React UI Libraries in 2025](https://www.wearedevelopers.com/magazine/148-16-best-free-react-ui-libraries-in-2025) - [Software Developer Salary in The Netherlands [2023]](https://www.wearedevelopers.com/magazine/217-software-developer-salary-in-the-netherlands-2023) - [Frontend Developer Salary in Germany [2023]](https://www.wearedevelopers.com/magazine/195-frontend-developer-salary-in-germany-2023) - [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)