Backend Engineer

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, more than 100,000 unique items are auctioned, all carefully curated by our passionate in-house experts. Having sold over 25 million unique objects, our mission is to become the world’s most popular destination for special objects. As a growing, diverse and sustainable scale-up, we proudly live by three core values. If these values resonate with you, we’d love to explore how you can join us. • Taking ownership and driving impact • Being open to change and feedback • Being passionate about our mission and our customers. Important Notice: While we don't currently have an immediate opening for a Backend Engineer in Portugal, we're proactively building a talent pipeline for future opportunities. If your profile aligns with what we're looking for, we'd love to consider you as new positions become available. Your Mission On our path to becoming the most visited online curated marketplace for special objects, our Engineering team is on a mission to deliver the best experience across our platforms by building best-in-class products for search and discovery, bidding, curation, logistics, payments, and support. We’re a scale-up tackling customer-facing challenges at high scale, with 75,000 auctions per week and more than 10 million visitors per month. As a Backend Engineer , you’ll support one of our three verticals - Demand , Supply , or Fulfilment - improving and delivering product innovations for our platform. Working in a small, fully autonomous, and highly collaborative Agile team, you will build scalable, maintainable, and resilient microservices and features. That’s why we’re looking for developers who share ideas, explore options, and communicate openly. What You'll Do You’ll be part of a team with end-to-end responsibility for its own microservices, collaborating across disciplines to build, operate, and continuously improve our products. • Build end-to-end by designing, developing, testing, deploying, maintaining, and improving scalable microservices and features. • Own what you deliver , taking responsibility for the quality, resilience, and maintainability of your team’s services throughout their lifecycle. • Collaborate across disciplines while closely working with product designers, product owners, and frontend, backend, and mobile engineers to share ideas and deliver product innovations. • Improve how we work , identifying opportunities to make our engineering processes more effective and efficient. • Strengthen our engineering culture by documenting and advocating for development best practices across the team. • Raise product quality by fixing bugs and refactoring the codebase where necessary to keep our products reliable and maintainable. • Learn and experiment by testing new technologies and participating in Technical Week - a week dedicated to creativity, innovation, and knowledge sharing across domains after every two product sprints. What You'll Bring You understand the full lifecycle of web development, identify opportunities, explore solutions, and keep customer needs at the center of your work. Our stack is mainly focused on Ruby; however, prior Ruby experience is not essential if you’re passionate about learning new things. • Strong software engineering foundations: 7+ years of software development experience, specifically with object-oriented programming. • Relevant product experience: 3+ years of experience working with customer-facing products in industries such as e-commerce, fintech, or