Senior Golang Developer
ioBuilders • madrid, madrid • Posted June 02, 2026
About the Role
We’re looking for a Senior Golang Developer to join a high-performing technical team working on licensable B2B products. You’ll be involved in the design, development, and evolution of solutions built on modern, scalable, and maintainable architectures.
Blockchain experience is a plus, but not a requirement. You’ll have real impact: taking part in technical decision-making, shaping architecture, and setting engineering best practices.
What you’ll do
Design, develop, and maintain backend services using Golang Apply Hexagonal Architecture (Ports & Adapters) and Domain-Driven Design (DDD) Design and implement event-driven architectures Build scalable and resilient solutions for licensable B2B software Define and promote quality standards, testing, and observability Review code and mentor mid-level and junior developers Collaborate closely with Product, Architecture, and DevOps teams Continuously improve the tech stack and development processes
✅ What we...
Blockchain experience is a plus, but not a requirement. You’ll have real impact: taking part in technical decision-making, shaping architecture, and setting engineering best practices.
What you’ll do
Design, develop, and maintain backend services using Golang Apply Hexagonal Architecture (Ports & Adapters) and Domain-Driven Design (DDD) Design and implement event-driven architectures Build scalable and resilient solutions for licensable B2B software Define and promote quality standards, testing, and observability Review code and mentor mid-level and junior developers Collaborate closely with Product, Architecture, and DevOps teams Continuously improve the tech stack and development processes
✅ What we...