Location selector
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Job Description

We’re Adevinta, a global leader in digital marketplaces. Our household name brands, including marktplaats in the Netherlands, Mobile.de in Germany and leboncoin in France, reach hundreds of millions of people every month across 16 countries. 

We’re all about matchmaking, and our sites help people find whatever they’re looking for in their local communities – whether it’s a car, an apartment, a sofa or a new job. Every connection made or item found makes a difference by creating a world where people share more and waste less.

Our brands are supported by Central Teams based in our main Hub in Barcelona and our other global Hubs in Amsterdam, Paris and Berlin. Our local brands are founded on the connections between people, and as an international group we create networks of talented Adevintans who work together towards a common purpose across geographies and disciplines.

As part of Adevinta’s Central Teams, the Trust and Transactions tribe offers expertise and solutions for solving user and business problems to help our millions of customers trade safely online every day. Within Trust and Transactions, the Serenity team plays a key role in building the global fraud detection and moderation component that caters to our marketplaces globally. Serenity is utilizing the latest machine learning techniques to provide a safer experience for our marketplaces’ customers. Our team is distributed across Paris and Barcelona.


As a Frontend Engineer in Serenity, you will be a part of the team building a highly responsive website used by the moderators in our Marketplaces globally. The next step along this journey is to develop a powerful and feature-rich Micro-Frontend web application for all our global customers which resides on top of our Microservice architecture. These microsites split the entire application by business domain enabling Frontend teams the same level of flexibility, testability, and velocity as backend team sand enables our Marketplaces to iterate faster.

What you'll do

  • Build a state-of-the-art responsive website and keep up to date with latest trends
  • Be involved in Frontend and Backend Javascript development
  • Develop prototypes quickly using best practices and tools
  • Be committed to code optimization and maintainability
  • Be concerned with quality and following test strategies
  • Be creative and experiment with new solutions
  • Optimize web applications for maximum speed
  • Work closely with the Product Manager to reach shared ambitions

Technologies you'll work with 

  • HTML5, CSS3,TypeScript / ES6 / Flow / TSLint / Prettier,
  • React, testing-library / Jest / Cypress
  • Node.js, Apollo, GraphQL, RESTful APIs
  • NextJS, Ant Design system, MicroFrontend, Weback Federation
  • Terraform, Kubernetes, S3
  • Distributed Architectures & Microservices Architectures

Company Description

  • You have experience with highly responsive frontend development
  • You have strong problem solving skills
  • You have strong knowledge of developing client applications using TypeScript/JavaScript
  • You’re user-centric in design and development decisions
  • You have a good understanding of systems design, algorithms and data structures
  • If you have experience with distributed computing technologies it’s a plus
  • You’re able to deal with conflicts in a mature, impartial and candid way
  • If you have collaborative work experience with geographically distributed teams it’s a big plus

What you’ll get from us: 

  • Competitive compensation package
  • A unique position in an international and dynamic environment
  • Opportunity to shape the way we work. Your feedback and opinions are valued at all levels of the organisation
  • The chance to be a key player in a growing, highly skilled team
  • Great colleagues and a healthy working environment
  • Benefits including private health insurance, stock purchase plan and bonus
  • Flexibility to work when and how you want - flexible hours, choose your phone and computer
  • Career development, including individual training budget and language classes
  • Lunch tickets
  • 25 days of holidays + 10/12 extra paid holidays called RTT
  • Summer bonus (=1% of base salary, paid in July)

Additional Information

Adevinta is an equal opportunity employer and value diversity in our company. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status or disability status. If any of the above ticks your boxes, then why not Apply Now to find out more


The health of our employees is very important to us. Due to Covid-19 all of our employees currently have the option to work from home full-time or, depending on the local situation and government regulations, they may go into the office following all safety protocols. This means that our interviews are currently taking place virtually. We are reviewing the situation on a regular basis and want to ensure that we follow all governmental guidelines and put the health of our people first.