Senior Software Engineer

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Senior Software Engineer

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Mambu

Join the fintech revolution with Mambu, the leading SaaS cloud banking platform. We’re on a mission to make banking better for a billion people. Explore exciting career opportunities and help shape the future of financial services.

What You’ll Do

Take ownership of migrating existing components and features, rewriting them into clean, efficient, maintainable and testable React components using TypeScript.

Work closely with Product Manager and UI / UX designer who will support the team with requirements for building functional, responsive, and visually polished user interfaces.

Participate in code reviews and architectural discussions, helping to establish and enforce frontend best practices, coding standards, and style guides for the new React codebase.

Lead feature delivery from clarifying requirements to design, planning, implementation, testing, and deployment.

What You’ll Bring

6+ years of professional experience in full-stack software development, ideally within a SaaS or FinTech environment.

Expert proficiency in React and TypeScript, coupled with strong API expertise.

Demonstrable experience with Java (or similar JVM languages) for building resilient backend systems (highly preferred).

Proven ability to design, implement, and maintain scalable and resilient application architecture, particularly in decoupling projects.

Deep understanding of RESTful API design principles and working with publicly exposed API platforms.

Strong testing knowledge (Jest, Playwright, Selenium, or similar) including experience in designing and maintaining testing frameworks, and solid practical experience with relational databases (MySQL).

What You’ll Get

Competitive base salary.

Company equity for all.

Learning and development opportunities.

Hybrid / Remote working (location dependent).

30 day working abroad.

4 week paid sabbatical after 5 years of service.

Additional benefits based on location.

Let’s connect! Follow Mambu on LinkedIn for the latest Fintech trends and success stories. Connect with us on Facebook, Instagram, and YouTube to experience our vibrant culture. Explore our mission, values, and the world we're building at mambu.com / careers. Check out our Insights Hub for industry insights, Mambu blogs, webinars, and upcoming events.

As part of the recruitment (or HR onboarding) process, you will be required to obtain authorized criminal background and credit screening results, as well as be queried against a sanctions / anti-money-laundering / counter terrorism financing / politically exposed persons screening service and your employment is conditional upon approval of these results.

At Mambu, we encourage all interested candidates to apply, even if they don’t meet every listed qualification, as we value diversity and recognize that experience doesn’t always perfectly align with job descriptions. We are committed to providing equal opportunities for applicants with disabilities; if you need assistance during the application process, please contact

Location : Barcelona, Catalonia, Spain

Seniority level Mid-Senior level

Employment type Full-time

Job function Software Development

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