Senior Backend Engineer

Barcelona💼 Full-time🗓 2026-10-01 → 2026-10-02

Core

Senior Backend Engineer owning end-to-end delivery of backend services and product features for digital identity and anti-fraud solutions.

Role type

Senior Backend Engineer (Product Delivery)

Builds

Backend services and product features for digital identity and anti-fraud platform

Domain

Fintech / Security / SaaS

Deliverable

product features

Required skills

Java, Spring Boot, SQL databases, backend architecture, cross-functional leadership, product mindset, delivery ownership, technical judgment, autonomy (via careerplan.io/jobs/8243423-senior-backend-engineer-at-onespan)

Preferred skills

Fintech, security, or SaaS domain experience

Technologies

Java, Spring Boot, SQL, AWS, Kubernetes

Responsibilities

Own product delivery from requirements to production; Lead technical decisions balancing customer value and feasibility; Mentor junior and mid-level engineers

Seniority

Senior, hands-on IC with leadership responsibilities

About OneSpan

OneSpan empowers critical infrastructure organizations to thrive by enabling secure, compliant, and frictionless digital interactions. Trusted by 60% of the world's top 100 banks, we protect over 300 million endpoints globally with award-winning authentication, mobile app security, and anti-fraud solutions. Our Passkey Solution — built on FIDO2/WebAuthn — represents a cornerstone of our next-generation authentication portfolio and a recognized market-leading product. Join us in shaping the passwordless future.