PAt Fourthline, our mission is to fight financial crime. We help protect the global financial system by verifying millions of identities for banks, neobanks, online brokers, crypto exchanges, or insurers like N26, Trade Republic, flatexDEGIRO, Nationale Nederlanden, Qonto, Shine, Solarisbank, and more. /ppbr/ppHaving started our journey in January 2018 only, we're incredibly proud to count around 250 employees between our Amsterdam and Barcelona offices with over 50 nationalities. /ppPrevent financial crime by building best-in-class SaaS solutions with our talented bAnti-Money Laundering (AML) and Bank Account Verification (BAV) + Qualified Electronic Signatures (QES) teams in Barcelona /b—we’re looking for a Backend Software Engineer II who brings solid technical expertise, a product-driven mindset, and a collaborative spirit across diverse domains and skill levels. /ppbr/ppAs a backend engineer at Fourthline, you will: /pulliDesign, develop, maintain, and improve our microservices, and take responsibility for thorough testing and reliable deployments of your stories. /liliProfessionally manage your tasks, priorities and deliverables, taking joint ownership with your teammates for the sprint goals. /liliUtilize your experience to contribute to our growth through lessons learned from your successes and failures. /liliTake responsibility for engineering excellence and participate in architectural decision-making within your team. /liliContribute to thorough documentation—crucial for ensuring success and minimizing questions! /liliUnderstand the entire development lifecycle and work closely with other members in squads, including Platform and QA teams. /liliEmploy both technical and soft skills to address challenges, recognizing that solutions often require a blend of technology-based and people-based strategies. /li /ulpbr/ppbEmphasis on Collaboration /b /ppAt Fourthline, we foster a collaborative culture informed by industry knowledge (FinTech) and deep understanding of our business objectives. You will actively participate in chapter meetings, knowledge sharing sessions and cross-discipline alignments with other teams and engineering disciplines. /ppbr/ppbCareer Growth and Development /b /ppAt Fourthline, we offer opportunities for learning and development, allowing you to work alongside and learn from experienced engineers. As you grow within our team, there are possibilities to grow to Senior Engineer and further (we have Staff Engineer level and beyond), with clear pathways to further your technical, problem solving and communication competencies, as well as build your knowledge of the FinTech industry. /ppbr/ppbOur Stack /b /ppNET 5-8 – Our cloud-based microservices architecture includes REST APIs, Docker, Message Queues (RabbitMQ), RDBMS (PostgreSQL), Wolverine, Marten (Doc + Event stores), and much more! /ppbr/ppbJob Requirements /b /pulliMinimum 3 years software development experience in one or more general-purpose programming languages. /liliGood knowledge of .NET 5-8, or .NET Core 3.x /liliProficiency in C# (version 10 or later). /liliExperience in unit and integration testing with XUnit (MSTest/NUnit are a plus). /liliFamiliarity with ORMs (EF Core) and knowledge of Linq. /liliExperience implementing REST APIs using .NET Web API. /liliUnderstanding of SOLID principles and Domain-Driven Design (DDD). /liliKnowledge of common software design patterns. /liliExperience with Git and CI/CD in Azure DevOps. /liliExperience with cloud providers such as AWS and Azure; experience with EKS and Terraform is highly valued. /liliAbility to work on-site at our fantastic office in Barcelona at least 3 days a week as per our Hybrid Working Policy. /liliLanguage skills: English full professional proficiency. /li /ulpbr/ppbr/ppAt Fourthline, we believe diversity enriches our culture and inspires you to do your best work. We value your unique talents and perspectives, welcoming them into a safe and inclusive working environment, to ultimately deliver the best products to our customers and society. You're welcome here. Fourthline is for everyone. /ppbr/ppOur hiring process is designed to be equal, fair, and transparent. We welcome people from all backgrounds, ethnicities, genders, sexual orientations, ages, abilities, religions, and experiences in life. If you're excited about this role, but your experience does not align perfectly with every qualification in the job description, we encourage you to apply anyways. You may just be the right candidate for this or other roles. /p