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Job Description

We are seeking a professional individual to join our Trust and Safety team as a Frontend Engineer (d/f/m).

About the team:

The Trust and Safety team at mobile.de is responsible for providing users with a safe and trustworthy experience. We are a cross function team with talented engineers and data scientists which responsibilities include:
* Fraud prevention and detection.
* Users' validation and verification.
* Customers ratings and reviews.
* Price predictions.

Your tasks and responsibilities:

  • Contribute, build, iterate and manage our web application.
  • Ensure that the code follows the latest design standards and good practices.
  • Push forward our testing strategy including unit and UI tests.
  • Collaborate with backend, Android, iOS and product team members over product features.
  • Keep legacy in check while being pragmatic about solutions.
  • Research and prototype new solutions to difficult problems.
  • Provide recommendations for continuous improvements.


  • 3-4 years+ experience as a frontend developer
  • Passion for clean code and an eye for simplicity and pragmatism
  • Excellent programming skills in modern JavaScript (ECMAScript), TypeScript, JSX, HTML 5 and CSS 3.
  • Strong Knowledge around frontend tools and frameworks (Redux, React.js, Webpack, Node.js, Next.js, jQuery, Storybook, monorepo)
  • Experience in manual testing and test automation (e.g. Jest, Cypress, testing-library)
  • Experience with tracking tools (Google Analytics) and A/B testing (Optimizely)
  • Get up to speed with new systems and concepts easily
  • Believer in team work
  • Experience with Continuous Delivery, Jenkins, Git, and npm
  • Effective oral and written English communication skills.
  • Nice to have: experience with Java and JSP

Additional Information

  • Opportunity to shape the way we work. Your feedback and opinions are valued at all levels of the organisation
  • Benefits including stock purchase plan and annual bonus plans
  • Flexibility to work when and how you want - flexible hours, autonomy to set your own agenda, choice of phone and computer
  • Smart Working Policy - work remotely some of the time, balanced with time in the office together with your team - between 5 and 45 days per quarter in the office depending on each team. (Please clarify this for your team during your first interviews!). 
  • ‘Work from anywhere’ weeks - up to four weeks working from anywhere, including from another country, as long as you have an internet connection!
  • Additional three months fully-paid parental leave time
  • Career development, including individual training budget and language classes
  • 28 days of holidays

Adevinta is an equal opportunity employer and we value diversity. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status or disability status. 

Covid-19: We’re reviewing the situation on a regular basis to ensure that we follow all local government guidelines and put the health of our people first. All interviews are currently taking place virtually. 

Company Description

Founded in 1996, mobile.de disrupted the status quo of buying and selling cars with the first online vehicle marketplace, driven by the idea to create something new. As a driver of change for growth and innovation, we became more than just a platform. We are an ecosystem of skilled and entrepreneurially minded people, a community to unite sellers and buyers. As the No 1 marketplace in Germany we closely cooperate with a powerful network of around 42,000 dealers and connect them with almost 17 million unique users per month. 

Mobile.de is part of Adevinta: a global online classifieds specialist and sustainability leader with 40+ products in 15 countries.