Senior Backend Engineer

Marosa is a leading FinTech company based in Vigo, specialising in tax technology. Our mission is to simplify global 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

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Design, develop, and maintain scalable backend services using Java and Spring Boot .

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Build and evolve RESTful APIs consumed by internal and external clients.

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Work on system architecture, performance, reliability, and security.

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Collaborate closely with frontend engineers, product managers, and designers to deliver end-to-end solutions.

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Write clean, maintainable, and well-tested code, and actively participate in code reviews.

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Contribute to deployment, monitoring, and troubleshooting in production environments.

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Help improve engineering standards, tooling, and backend best practices.

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Share knowledge and mentor other engineers as part of a strong engineering culture.

What We Are Looking For

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Strong professional experience as a Backend or Fullstack Engineer , with a clear focus on backend development.

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Solid knowledge of Java, Spring Boot , and backend architecture patterns.

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Experience designing and consuming REST APIs .

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Understanding of scalable systems, data consistency, and performance considerations.

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Ability to take ownership of backend components and deliver high-quality solutions autonomously.

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Strong communication skills and a collaborative mindset.

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Interest in continuous learning and improving both individual and team performance.

Bonus

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Experience with Docker , CI/CD pipelines , or cloud-native environments .

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Exposure to distributed systems or microservices architectures.

Why Join Us?

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Build real-world FinTech products that solve complex problems for global enterprises.

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Join a collaborative and ambitious team where your input will directly shape the product.

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Develop your skills through exposure to modern technologies and experienced colleagues.

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Thrive in a culture that values ownership, growth, and impact.

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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!