Full-stack Developer

At Catawiki, every day brings the extraordinary Whether it's Daniel Ricciardo's Formula 1 Car, a Woolly Mammoth's Skeleton, Lady Gaga's Jumpsuit or Usain Bolt's running shoe, we encounter exceptional objects every day.

We're a one-of-a-kind marketplace for buying and selling special objects Each week we offer over 75,000 unique items in auction, carefully curated by our passionate in-house experts.

Having sold over 20 million unique objects to date, we're on a mission to become the world's most popular destination for special objects. As a growing, diverse and sustainable scale-up, we proudly live by our core values:

• Taking ownership and driving impact
• Being open to change and feedback
• Being passionate about our mission and our customers.

If these values resonate with you, we'd love to explore how you can join us on this exciting journey

As the biggest marketplace for special items, Catawiki operates in a domain that brings plenty of unusual challenges and opportunities. You will be developing, testing and scaling our microservices, mostly written in Ruby, to handle the high volume of requests served by the platform every single day. We do this by using Infrastructure as Code principles, collaborative peer-reviews, Continuous Delivery, A/B testing every assumption and using the observability and monitoring tools already in place. We make mistakes and learn valuable lessons from them. Our focus is to be able to recover and iterate quickly.

Our Fintech team covers the Payments, Pricing and Finance domains of Catawiki. We are responsible for a smooth payment experience and a timely payout. We make sure the users can pay with ease in their preferred manner. Moreover, we take care of the taxation and invoicing of our users and prepare financial reports for our stakeholders.

Here at Catawiki, you will make an impact by improving and delivering product innovations for the Catawiki platform. Along with other members of the Development team, you will build scalable microservices while measuring and monitoring system performance. In addition, you will use experimentation, backed by data analysis, to add product features and deliver the best user experience on the platform.

As part of our Fintech team, you will partner with other Engineers and a Product Manager to think of new ways to improve the payments, pricing and financial administration experience of our users and stakeholders. You ensure that your web components work well and are responsive to desktop, tablet, and mobile screens. By measuring and monitoring system performance, you optimise the performance of your products.

We look for Engineers who are motivated to learn new things, ship new features, and pursue new and interesting challenges. Our stack is mainly focused around Ruby, however, if you're passionate about learning new things then prior experience with Ruby is not essential. Next to this:

• At least 5+ years of experience in software development, in specific with OOP (object-oriented programming).
• You have experience in designing, implementing and deploying backend services with a focus on high availability, low latency, and consistency.
• You have proven experience of collaborating closely with other engineers to become a valued member of an autonomous, cross-functional team.
• You have mentored junior engineers and you enjoy cooperating with engineers throughout the company.
• You understand the value that you can add to the business, the product and the impact of your work on customers.
• You feel comfortable documenting RFCs and describing problems, opportunities, pros and cons of solution alternatives.
• You have prior experience in Fintech domain or have a keen interest in the field.
• You are proficient in web technologies - JavaScript/TypeScript, HTML, CSS.
• You are familiar with popular libraries like ReactJS, NextJS, Redux, CSS Modules, Tailwind, and/or Rails.
• You understand the browser environment and how it interprets code - HTTP/S, Critical Render Path, CORS, Caching, CDNs.

As a passionate engineer, you bring these values to Catawiki:

• You are a passionate experienced engineer with a strong eye for detail.
• You strive to be a great team player and don't shy away from new challenges.
• You are comfortable in a startup environment and are ready to jump in and help if needed.
• You keep the company's values close to your heart and enjoy being in a diverse environment.

This role is based in Amsterdam, The Netherlands.

• A competitive Annual Gross Base Salary depending on your level, competencies, and overall experience.
• Commuting between your home and our office is covered by Catawiki.
• Amazing Office right in the centre of Amsterdam.

• Create a Visible Impact by working at scale in a global organisation that serves millions of customers across 80+ categories. In our flat structure, every role has a broad scope that directly impacts both our customers and the business.
• Learn and Grow with Us through our Learning & Development initiatives, which include clear development plans and mentorship programmes designed to support your career progression.
• A Culture of Connection defines us. We're a passionate, diverse and collaborative team of 800+ Catawikains and 60+ nationalities, all coming together to build a one-of-a-kind marketplace. We foster an inclusive and queer-friendly work environment, committed to making every Catawikian feel welcomed and empowered. Whatever your story, we encourage you to bring your unique perspective to our team.
• Celebrate Life's Moments with us at Catawiki. When you join us, you'll receive a €100 Catavoucher, and on each birthday, you'll get a €50 Catavoucher to celebrate. Enjoy an extra day off each year to "Pursue Your Passion". We also recognise significant work anniversaries (3, 5, 8, 10 years) with additional time off, plus extra leave for life's big moments like marriage, engagements, or moving house.

Please note that benefits can vary by location. For specific information regarding what's available in your country, please consult your recruiter.

Our vibrant offices in Amsterdam, Paris and Lisbon are designed to inspire and connect. Most Catawikians are within commuting distance of one of our offices and enjoy the flexibility of a hybrid work model. That said, some roles may be an exception: if the job description states that the position is fully remote or 100% office-based, that arrangement will apply instead.

Apply directly with an English CV and cover letter by submitting your information at the bottom of this page. By submitting your application you agree to Catawiki's Applicant Privacy Policy.

If you're excited about this role but your past experience doesn't align perfectly with every qualification in the job description, we encourage you to apply anyway. You may be just the right candidate for this or other roles.