Backend Software Engineer at Catawiki

✨ The Stack take on this Catawiki job

• 🏢 Catawiki has 12 jobs here, 10 with visa sponsorship see all
• 🛂 Visa: EU Blue Card. Salary: At least 1.5 times the national average annual salary (1.2 times in some cases) guide
• 💡 No salary shown. Ask Catawiki if it is above the minimum.

Updated 2026-11-05, from our data and official sources.

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About the role

At Catawiki, every day brings the extraordinary! Whether it’s Daniel Ricciardo’s Formula 1 Car [https://www.catawiki.com/en/c/583-sports-memorabilia], a Woolly Mammoth’s Skeleton [https://www.catawiki.com/en/c/579-fossils], Lady Gaga's Jumpsuit [https://www.catawiki.com/en/l/10035805] or Usain Bolt’s running shoe [https://www.catawiki.com/en/c/583-sports-memorabilia], we encounter exceptional objects every day. We’re a one-of-a-kind marketplace for buying and selling special objects. Each week, more than 110,000 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.  ABOUT THE JOB 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 & discovery, bidding, curation, logistics, payments, and support.  We're a scale-up with customer-facing challenges dealing with high-scale (75k auctions per week) and high traffic (more than 10 million visitors per month). As a Software Engineer, you’ll support one of our 3 verticals - Demand, Supply, or Fulfilment - improving and delivering product innovations for our platform.  Working in small, fully autonomous, and highly collaborative Agile teams, you will build scalable, maintainable, and resilient microservices and features. That's why we are looking for bold, curious and open developers! Are you ready to join? WHAT YOU WILL DO  * Build: Design, develop, test, deploy, maintain and improve. You’ll be part of a team that is end-to-end responsible for their own microservices. * Collaborate: Work closely with product designers, product owners, front, back, and mobile engineers to share new ideas and make our processes even more efficient. * Growth: Support our great engineering culture, by documenting and advocating for best development practices - constantly improving the quality of our products by fixing bugs and refactoring the code base where necessary. * Learn: Boost your career by testing new technologies and participating in our Technical Week, a week dedicated to promoting creativity (after 2 product sprints), innovation, and knowledge sharing across domains. WHAT YOU’LL BRING As Software Engineer, you already understand the full life cycle of web development and see opportunities in front of you. You're curious, solution-oriented and have a strong customer focus. 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, 4+ years of experience with customer-facing products in related industries, e.g. e-commerce, fintechs, SaaS * At least 4+ years with software development, in specific OOP (object-oriented programming) * Experience designing, implementing, and deploying backend services, with a focus on high availability, low latency, and consistency. * Good understanding of APIs design * Familiarity with SQL and relational databases * Excellent communication in English * Comfortable raising concerns, sharing new ideas, documenting, and finding opportunities for solution alternatives. As a passionate engineer, you bring these values to Catawiki: * You strive to be a great team player and don’t shy away from new challenges. * You are someone who takes initiative and is ready to jump in and help if needed. * You possess a "growth mindset" in which you take the initiative to further your personal skill set as a software developer, whether by learning new skills and/or technologies or by seeking new opportunities. WHERE YOU’LL BE This role is based in Lisbon, Portugal. We offer an excellent relocation package for people living outside of Portugal. WHEN IN PORTUGAL, HERE IS WHAT WE CAN OFFER YOU * You'll be part of an enthusiastic, highly motivated team of 850+ Catawikians. * International and fast-growing organization with over 50 nationalities. * 22 days of Holiday days + National Holidays * Health Insurance * Meal Card per working day on top of salary * Working-from-home Allowance * Hybrid way of working between home and office * Flexible working hours policy * Holistic Wellbeing Programme including: clinical services, single-session therapy, wellness support and more. * Tailored Learning & Development program WHY YOU'LL LOVE WORKING WITH US * Create a visible impact by working at scale in a global organisation serving millions of customers across 80+ categories. In our flat structure, every role has a broad scope and directly impacts both our customers and the business. * Learn and grow through our Learning & Development initiatives, including clear development plans and mentorship programmes to support your career progression. * A culture of connection defines us. We’re a passionate, diverse team of 800+ Catawikians representing 60+ nationalities. We foster an inclusive and queer-friendly environment where everyone is encouraged to bring their full self to work. * Celebrate life’s moments with us. You’ll receive a €100 Catavoucher when you join, a €50 Catavoucher on your birthday, and an extra day off each year to “Pursue Your Passion”. We also offer additional leave for key work anniversaries and important life events. Benefits may vary by location. OUR OFFICES AND WAY OF WORKING Our vibrant offices in Amsterdam, Paris and Lisbon are designed to inspire collaboration. Most Catawikians operate in a hybrid setup, combining office-based and remote work, with a minimum of two days per week in the office, unless a role is explicitly stated as fully remote or fully office-based. INTERESTED? Apply with an English CV and Cover Letter. By applying, you agree to Catawiki’s Applicant Privacy Policy. [https://www.catawiki.com/conditions/applicant-privacy-policy.pdf] If you’re excited about this role but don’t meet every requirement, we still encourage you to apply anyway. You may be just the right candidate for this or other roles.

Responsibilities

As a Backend Software Engineer, you will design, develop, test, deploy, maintain, and improve microservices as part of an autonomous Agile team. You will collaborate with various stakeholders to enhance product innovations and support the engineering culture.

Requirements

Candidates should have at least 4 years of experience in software development, particularly in OOP and customer-facing products. Familiarity with Ruby is preferred, but not essential, along with a good understanding of APIs and relational databases.

Key skills

• Ruby — in 11 other listings on The Stack
• OOP — in 9 other listings on The Stack
• APIs Design — not in any other listing on The Stack
• SQL — in 545 other listings on The Stack
• Relational Databases — in 74 other listings on The Stack
• Software Development — in 71 other listings on The Stack
• Customer-Facing Products — not in any other listing on The Stack
• Microservices — in 236 other listings on The Stack
• Agile
• Collaboration
• Problem Solving
• Documentation
• Initiative
• Growth Mindset
• Communication
• Team Player

On The Stack (as of 2026-11-05)

• Catawiki has 11 other listings on The Stack, 10 of them marked as offering visa sponsorship.
• 20 visa-sponsored jobs in Portugal on The Stack, posted in the last 60 days.
• 195 visa-sponsored software engineer jobs in Europe on The Stack, posted in the last 60 days.

Frequently asked questions about Catawiki

Is this Backend Software Engineer role still open?

It was posted on 2026-03-17. Listings more than 30 days old may no longer be active, so check Catawiki's site before applying.

Where is this role located?

The listing gives the location as Lisbon, Portugal. It is marked remote.

What skills does this role ask for?

The listing names: Ruby, OOP, APIs Design, SQL, Relational Databases, Software Development, Customer-Facing Products, Microservices, Agile, Collaboration, Problem Solving, Documentation, Initiative, Growth Mindset, Communication, Team Player.