OverviewIn this Senior Backend Engineer role in Barcelona, you will own end-to-end backend delivery for platform features, from requirements to production.
You will balance customer value with technical feasibility, steering architectural decisions with product and tech leadership.
You'll mentor junior engineers and elevate team performance while coordinating cross-team dependencies.
You'll help shape a secure, scalable backend in Java/Spring Boot, AWS, SQL and Kubernetes, contributing to high-impact fintech/security initiatives.
Compensaciones / BeneficiosOptimised onboarding
Enthusiastic team
Simplicity
Greenfield opportunities
Beautiful office spaces in Barcelona
Versátil working hours & hybrid working
ResponsabilidadesOwn backend delivery for product features end-to-end, coordinating with product and tech teams to manage dependencies and risks
Lead technical decisions with a business perspective, balancing customer value and feasibility




Contribute to architectural discussions and ship solutions that meet timelines and quality standards
Mentor and pair with junior/mid-level engineers to elevate engineering practices
Collaborate across the organization, fostering clear communication and respectful teamwork
Surface blockers proactively and manage cross-team dependencies
Own outcomes with transparent progress reporting and risk management
Requisitos principales10+ years of backend development experience
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Strong proficiency in Java and Spring Boot
Experience with SQL databases
Experience delivering products in cross-functional teams
Ability to communicate clearly with Product Owners, engineers, and management
Autonomy and self-direction in delivering outcomes
Fluent in English
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Java
Spring Boot
SQL databases

📌 Senior Backend Engineer (España)
🏢 Onespan
📍 España