> Markdown version of [/jobs/ext/1380827-senior-javascript-engineer-all-genders](https://www.wearedevelopers.com/jobs/ext/1380827-senior-javascript-engineer-all-genders). 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 JavaScript Engineer (all genders) - **Company:** ePages GmbH - **Location:** Hamburg, Germany - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Clean Code Principles, HTML, JavaScript (Programming Language), Agile Methodology, Artificial Intelligence, Unit Testing, Client Server Models, Cascading Style Sheets (CSS), Continuous Integration, Software Debugging, Github, Node.Js, Svelte, Software Testing Automation Framework, TypeScript, Web Applications, Circleci, Test-Driven Development (TDD), GitHub Copilot, ReactJS, Cypress (Programming Language), Git, Vue.js, Webpack, Front End Software Development, React Redux, Web Trends, GPT, Docker, Jenkins - **Published:** July 22, 2026 - **Apply:** https://www.adzuna.de/details/5727118321 ## About the Role We're looking for a product-aware engineer, who loves to write code that's DRY, understandable, and easy to maintain by your colleagues, as well as values User Experience. * Solid experience in shipping large scale web applications in JavaScript / TypeScript * Project experience using Node.js (client-server communication) * Experience in React as the main library you'll work with * Solid to expert front-end knowledge, including HTML and CSS * Experience working with Git * Familiar with unit and integration testing (Testing Library, Cypress) * Proven leadership skills, with experience mentoring developers, driving technical discussions, and fostering a collaborative development environment. * Interest in AI-assisted development, like crafting effective prompts for tools like GitHub Copilot or ChatGPT to speed up coding, testing, and documentation workflows. Nice to have * A keen interest in current web trends, standards and front-end frameworks * Passionate about clean code and Test Driven Development (TDD) * Experience with other modern front-end frameworks such as Vue, SolidJS or Svelte * Familiar with continuous integration (e.g. GitHub Actions, CircleCI, Jenkins) and tools like Docker * Knowledge about front-end tooling (e.g. webpack, Babel, PostCSS, CSS preprocessors) * Attention to detail to debug, reiterate and improve your code on different platforms * Curiosity about AI prompting to explore new ways of coding, debugging, and automating repetitive development tasks. ## Description As part of an Agile development team on site in our Hamburg office, we're looking for a product-aware engineer who can take ownership of projects, drive technical decisions, and support the growth of the team by sharing knowledge and best practices. Your main focus is to build a large, highly user interactive web application that is easy to scale, extend, and all modular in a responsive environment. This includes developing our new e-commerce storefront and all its user-facing interfaces that is built on a microservice-based architecture. We use modern technologies such as Docker, Node.js, TypeScript / modern JavaScript, React & Redux, and Jest. ## Related Videos - [But, you're not Facebook](https://www.wearedevelopers.com/videos/378-but-you-re-not-facebook) - [ Evaluating AI models for code comprehension](https://www.wearedevelopers.com/videos/1462-evaluating-ai-models-for-code-comprehension) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [Streaming AI Responses in Real-Time with SSE in Next.js & NestJS](https://www.wearedevelopers.com/videos/1630-streaming-ai-responses-in-real-time-with-sse-in-next-js-nestjs) ## Related Articles - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Dev Digest 133 - Back to Front](https://www.wearedevelopers.com/magazine/474-dev-digest-133-back-to-front) - [Frontend Developer Salary in Germany [2023]](https://www.wearedevelopers.com/magazine/195-frontend-developer-salary-in-germany-2023) - [Dev Digest 131 - AI'm not sure about OSS](https://www.wearedevelopers.com/magazine/472-dev-digest-131-ai-m-not-sure-about-oss) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs)