Senior Backend Developer - PT (Internet Marketplace Platform)

(We are supporting our client, Catawiki, in their search for a Senior Backend Developer in Lisbon. Check it out!) How we work: 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. What you’ll do: 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. What you’ll bring: 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, 7+ 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. - 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. Where you’ll be: This role is based in Lisbon, Portugal. We also offer an excellent relocation package for people living outside of Portugal.