Full-time

Senior Backend Developer (Ref: 195476)

Posted by Forsyth Barnes • Madrid, Community of Madrid, Spain

📍 Madrid, Community of Madrid 🕒 February 17, 2026

About the Role

Senior Backend Developer Contract Role:Day Rate: €350-€380 per day8-12 month contract

You'll join a large, distributed backend engineering community and work within cross-functional teams alongside product managers, frontend, and mobile engineers. You'll play a key role in shaping core financial products, supporting a rapidly growing user base, and delivering high-quality solutions in a fast-paced environment.

What You'll DoDesign, develop, deploy, and maintain backend services aligned with team and business goalsWrite clean, well-documented, production-grade codeContribute to service architecture, resilience, scalability, and robustness using Domain-Driven Design principlesParticipate in technical decision-making and mentor other engineers as you grow in technical leadership

Business Tech StackBackend: Go,Frontend: React.jsMobile: Kotlin, SwiftInfrastructure: Kubernetes on AWSDatabase: PostgreSQLMessaging & Observability: Kafka, ELK stack, and other modern tool...

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