At OneSpan, we specialize in digital identity and anti-fraud solutions that create exceptional and secure experiences.

We are looking for an experienced Senior Backend Engineer to join our Barcelona-based backend team and drive product features from conception to production with customer value at the forefront. You'll own the delivery side of our platform development while working alongside our technical leadership. Our platform is built in Java using Spring Boot, SQL databases, and AWS services on Kubernetes. We need someone who can balance technical excellence with shipping features that matter; someone who brings perspective from their experience, manages cross-team complexity, and helps the team operate at their best.

Here Is a Little Taste Of Your Challenge
- Own product delivery and customer impact: Take responsibility for delivering backend services for product features end-to-end, from requirements through production. Ensure features are shipped with quality that meets customer needs. Coordinate with product and technical teams to manage dependencies, identify risks early,



and drive initiatives to completion. Introduce structure and visibility to how we approach product work.
- Lead technical decisions with business perspective: Propose solutions that balance customer value, technical feasibility, and timeline. Work with the Product Owner and technical team to ensure decisions are sound. Understand when to optimize and when to ship. Contribute to architectural discussions where it matters.
- Help the team elevate its game: Mentor junior and mid-level engineers by owning features together and modeling what thoughtful, focused engineering looks like. Work effectively with our tech lead, bringing a different perspective and helping the whole team raise its bar. Collaborate openly across the organization and foster an environment where communication is clear and everyone is respected.

Who are you? Role There is no set route to become part of Build38. But to b

📌 Senior Backend Engineer (Barcelona)
🏢 remoteo
📍 Barcelona