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. Our platform is built in Java using Spring Boot, SQL databases, and AWS services on Kubernetes. 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. 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.
Role

Experience:
10+ years of professional backend development experience, with at least 4 years working at a senior level.



You've shipped multiple products and worked across different team structures and company cultures.
Java & backend strong foundation: Solid proficiency in Java, Spring Boot, SQL databases. You understand modern backend architecture well enough to make informed technical decisions. You don't need to be an architect expert—solid engineering fundamentals and good judgment are what matter.
You can communicate clearly with Product Owners, engineers, and management. You can make architecture contributions where it matters, but you're not dogmatic. You figure out what needs to happen and make it happen.
Fluent in English (written and spokenBonus: Experience in fintech, security, or SaaS environments where customer impact and shipping discipline matter.
Practically Speaking, What's In It For You Optimized onboarding – for your optimal start and customized induction.
Beautiful office spaces in the heart of Barcelona – with regular team/community events (breakfast, lunch...). Versátil

working hours
& hybrid working. #

📌 Engineer - back End Developer (España)
🏢 OneSpan
📍 España