Are you ready to take ownership of building and maintaining cutting-edge microservices and make a real impact? Are you passionate about creating robust, scalable solutions that resonate with millions of buyers and sellers every year? Can you envision yourself shaping the future of Europe’s largest online auction platform while contributing to the growth and success of a leading brand? If so, this is the opportunity for you! We’re driven by our commitment to value, transparency, and innovation. Our goal is to deliver exceptional auction experiences to both bidders and sellers, while continuously improving how we work. Our team is collaborative and diverse, but we share key traits: we’re customer-focused, results-oriented, and unafraid to make bold decisions. We’re hands-on, proactive, and always looking to make a positive impact. We’re driven by our commitment to value, transparency, and innovation. Our goal is to deliver exceptional auction experiences to both bidders and sellers, while continuously improving how we work. Our team is collaborative and diverse, but we share key traits: we’re customer-focused, results-oriented, and unafraid to make bold decisions. We're hands-on, proactive, and always looking to make a positive impact. What you will do: The Kotlin Server-side Developer is responsible for developing and migrating microservices for our auction platforms in the Netherlands. In this role, you will build, optimize, and maintain critical backend services that resonate with our diverse audience of bidders and sellers. You’ll be responsible for migrating Klaravik’s backend processes into our modern Kotlin microservice codebase, collaborating closely with cross-functional teams in Amsterdam, Sweden, and Poland to drive growth. Through a blend of strategic problem-solving and hands-on coding, you’ll help position TBAuctions and its brands as leaders in the online auction industry. Key Responsibilities: Design, develop, and maintain Kotlin-based microservices that handle inventory management, auction listings, bids, and payments. Lead and support migration efforts for Klaravik’s backend into our new infrastructure. Collaborate with local and international teams to ensure high-quality, scalable solutions that meet business and user needs. What you bring: JVM proficiency (Kotlin, Java, or Scala) with a keen interest in server-side development. Experience with microservices and event-driven architectures, ideally in a cloud environment (Azure preferred). Team spirit and adaptability, demonstrated through excellent communication and a desire to learn and share knowledge. If you don’t check every box, we still encourage you to apply. At TBAuctions, we value eagerness to learn and grow more than just ticking all the qualifications. What we offer you Independent and varied role within an entrepreneurial and innovative organization Competitive salary Good pension scheme Bonus scheme (up to 1 gross monthly salary per year) 25 vacation days Laptop and iPhone Training opportunities Working in a team of professionals, where hard work is well combined with humor This is TBAuctions TBAuctions (TBA) is Europe's leading multi-brand digital auction platform for B2B used goods. We are powered by a diverse and international team of over 1,200 professionals across the Nordics, Benelux, UK and Continental Europe. Our belief that 'everything has value' drives us to innovate through technology, creating more effective and sustainable auction processes. Our culture is based on our core values, which guide every decision we make, from hiring to performance reviews, from day-to-day decisions to key business strategies. We put bidders and sellers first, we take responsibility, we deliver results and we succeed as a team - because we are better together!