You will join our multi‑disciplinary C2C Buyers team in Amsterdam as a midlevel front‑end developer, reporting to the team's Engineering Manager.
You will help buyers find the most relevant deals using modern technologies in a microservices architecture. We take a data‑driven, experimental, and Agile approach, using neural networks for personalized content, daily multiple‑rollouts, A/B testing, and insights‑driven feature development.
What you'll do:- Work on our high‑availability infrastructure, improving the customer experience, the revenues, the architecture and the technologies.
- Design and implement new projects in collaboration with colleagues and partners.
- Help to improve work in all areas: coding, processes, testing, tools, collaboration, ...
- Be a technical partner for the organisation to help the business create requirements.
- We will work with you to grow your skills and your career at Marktplaats.
You have experience in software development in online areas, with a big codebase and a large user base. At least 3+ years of full‑time employment on large and distributed systems. You like and breathe Agile development, focus on delivering, and like to take an active role in improving how we work.
- Core Skills:
- Experience with modern JavaScript (ES2020+), TypeScript, and React (Hooks and server‑side rendering).
- Proficiency with HTML5, CSS3 (SASS, CSS Modules), and responsive design principles.
- Experience with testing libraries like Jest and React Testing Library; ability to debug and solve cross‑browser compatibility and performance issues.
- Experience with server‑side tools like Node.js and Express.js.
- Familiarity with modern build and bundling tools such as Webpack, Babel, or Vite.
- Familiarity with CI/CD pipelines and running services in cloud environments like GCP, AWS.
- Bonus Skills:
- Experience with React Frameworks like Next js, Playwright and CSS-in-JS.
- Other Skills:
- Experience communicating proposals, status updates and solutions to colleagues, team members and collaborators.
- Foster collaboration and align with other teams.
- A motivated approach to work.
- Experience in collaborating with others and contributing independently to bring work and projects to completion.
- A commitment to learning, staying updated on industry trends, and exploring creative solutions while addressing edge cases.
- You are a current resident of the Netherlands and you are legally able to work here.
€50000 - €70000 monthly