Marosa is a leading FinTech company based in Vigo, specialising in tax technology. Our mission is to simplify general VAT compliance for multinational companies through powerful and user-centric software.We are looking for a

Senior Backend Engineer

to join our growing engineering team. You will play a key role in designing, building, and scaling the backend systems that power our core products used by multinational clients.What You Will Do:Design, develop, and maintain scalable backend services using

Java and Spring Boot .Build and evolve

RESTful APIs

consumed by internal and external clients.Work on system architecture, performance, reliability, and security.Collaborate closely with frontend engineers, product managers, and designers to deliver end-to-end solutions.Write clean, maintainable, and well-tested code, and actively participate in code reviews.Contribute to deployment, monitoring, and troubleshooting in production environments.Help improve engineering standards, tooling, and backend best practices.Share knowledge and mentor other engineers as part of a strong engineering culture.What We Are Looking For:Strong professional experience as a

Backend or Fullstack Engineer , with a clear focus on backend development.Solid knowledge of





Java, Spring Boot , and backend architecture patterns.Experience designing and consuming

REST APIs .Understanding of scalable systems, data consistency, and performance considerations.Ability to take ownership of backend components and deliver high-quality solutions autonomously.Strong communication skills and a collaborative mindset.Interest in continuous learning and improving both individual and team performance.Bonus:Experience with

Docker ,

CI/CD pipelines , or

cloud-native environments .Exposure to distributed systems or microservices architectures.Why Join Us?Build real-world FinTech products that solve complex problems for global enterprises.Join a collaborative and ambitious team where your input will directly shape the product.Develop your skills through exposure to modern technologies and experienced colleagues.Thrive in a culture that values ownership, growth, and impact.Enjoy great perks, including a fully stocked kitchen with snacks and a Metropolitan gym membership.If you are ready to work on products used by multinational companies, we would love to meet you!

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📌 Senior Backend Engineer (Madrid)
🏢 Marosa
📍 Madrid