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Job Description

As a Staff Software Engineer, you will play a crucial role in designing, developing, and maintaining scalable, high-performance software systems for frontend systems.

What you'll do

Technical Leadership

  • Architect, design, and implement complex software solutions, adhering to best practices and ensuring scalability, reliability, and security.

  • Collaborate with cross-functional teams to define technical strategies and roadmaps.

Development and Coding

  • Write clean, efficient, and maintainable code.

  • Conduct code reviews and provide constructive feedback to team members.

  • Drive innovation through research, experimentation, and implementation of new technologies.

Problem Solving and Troubleshooting

  • Analyze and resolve technical issues and performance bottlenecks.

  • Debug complex problems across multiple layers of the stack.

Mentorship and Collaboration

  • Mentor junior engineers, fostering their professional growth and skill development.

  • Collaborate effectively with product managers, designers, and other stakeholders to deliver high-quality products.

Who are you

Advanced Frontend Development

  • Mastery in modern frontend technologies such as JavaScript (ES6+), HTML5, and CSS3.

  • Extensive experience with at least one major frontend framework/library like React, Angular, or Vue.js.

  • Proficiency in optimizing frontend performance and understanding of browser rendering behavior.

Architectural Design and Patterns

  • Deep understanding of frontend architectural patterns, including Flux/Redux, MVC, or MVVM.

  • Ability to design and implement scalable, modular, and reusable frontend components and systems.

Cross-platform and Responsive Design

  • Expertise in building responsive and cross-platform user interfaces across different devices and screen sizes.

  • Familiarity with CSS pre-processors like Sass/Less and CSS-in-JS solutions.

Web Performance Optimization

  • Proven track record in improving web performance through techniques such as lazy loading, code splitting, and caching strategies.

  • Knowledge of performance profiling tools like Chrome DevTools or Lighthouse

Testing and Quality Assurance

  • Experience with frontend testing frameworks (e.g., Jest, Jasmine, Mocha) and test-driven development (TDD) principles.

  • Familiarity with automated testing, end-to-end testing, and ensuring high code coverage.

Version Control and DevOps

  • Proficiency in version control systems like Git and experience with branching strategies, code reviews, and CI/CD pipelines.

  • Understanding of DevOps practices and how they relate to frontend development workflows.

Security and Accessibility

  • Knowledge of web security best practices and experience in addressing common vulnerabilities.

  • Understanding of web accessibility standards (WCAG) and implementation of accessible UI/UX.

Communication and Collaboration

  • Excellent communication skills to articulate complex technical concepts and collaborate effectively within cross-functional teams.

  • Ability to mentor junior engineers, conduct knowledge-sharing sessions, and lead by example.

Continuous Learning and Adaptability

  • Eagerness to stay updated with the latest frontend technologies, trends, and best practices.

  • Adaptability to evolving project requirements and a willingness to learn new tools or frameworks as needed.

  • Fluent in English


Life at Adevinta comes with its perks! Our Adevintans enjoy the following benefits:

  • An attractive Base Salary.
  • Participation in our Short Term Incentive plan (annual bonus).
  • An excellent Equity program. This role plays a key part to the success of the organisation and therefore you will receive a piece of Adevinta every 6 months.
  • Employee Stock Purchase Program with a match from Adevinta.
  • Work From Anywhere: Enjoy up to 20 days a year of working from anywhere! Maybe not from the moon - well why not! just make sure you have internet connection!
  • A 24/7 Employee Assistance Program for you and your family, because we care.
  • Win together, lose together is one of our key behaviours. At Adevinta you will find a collaborative environment with an opportunity to explore your potential and grow.

On top of these, we also provide a range of locally relevant benefits. Wanna know more? Apply and ask our recruiters!

Company 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.

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 global Tech Hubs in Barcelona, Amsterdam, Paris and Berlin. Their goal is to develop common global products and innovation platforms which all of our brands can use. This means using cutting edge technology to create highly scalable, customisable and secure products and components that free up development time and leverage our access to global data.

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.

If you feel like you don’t meet all of the requirements for this role but are interested, please consider applying anyway. Research suggests that women and individuals from underrepresented groups may self-select out of opportunities if they don’t meet 100% of the job requirements. We strongly encourage people from historically excluded groups to apply and look forward to speaking with you.


More about Careers at Adevinta

Careers at Adevinta can take you in all sorts of directions and to many different countries. The question is – where do you want to go?

Staff Frontend Engineer | Adevinta