Golang Developer
Role details
Job location
Tech stack
Job description
Iobuilders is seeking a Senior Golang Developer to join a high-performing technical team in Bilbao, Spain. You will design, develop, and maintain backend services, applying solid architectural principles including Hexagonal Architecture and Domain-Driven Design., * Design, develop, and maintain backend services using Golang.
- Apply Hexagonal Architecture and Domain-Driven Design.
- Design and implement event-driven architectures.
- Build scalable and resilient solutions for B2B software.
- Review code and mentor mid-level and junior developers.
Conocimientos
Golang Backend development Hexagonal Architecture Domain-Driven Design (DDD) Event-driven systems APIs (REST, gRPC) Unit and integration testing Distributed systems Relational and/or NoSQL databases Cloud environments (Docker, Kubernetes) Backend security practices Descripción del empleo
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, * Experience with blockchain (Ethereum, Hedera, Solana, etc.)
- Smart contracts or blockchain integration experience
- Background in SaaS / licensable B2B products
- Messaging & streaming platforms (Kafka, RabbitMQ, NATS, etc.)
- CI/CD knowledge
- High-availability environments experience
What we offer
- Challenging projects and a great environment.
- Innovation and building new business with your own hands.
- Flat organization and short decision paths.
- Flexible working hours.
- Remote working (Based on the team needs).
- Remote Work Allowance.
- We are challenge oriented.
- Social benefits: Versátil Payment Plan, medical insurance and others.
- 25 vacation days.
- 2 free days for conference/courses + Budget.
Requirements
- 5+ years of experience in backend development.
- Strong, hands-on experience with Golang in production.
- Solid knowledge of Hexagonal Architecture, Domain-Driven Design, and event-driven systems.
- Experience designing APIs (REST, gRPC).
- Strong testing practices (unit and integration).
- Experience with distributed systems and cloud environments., * 5+ years of experience in backend development
- Strong, hands-on experience with Golang in production
- Solid knowledge of
- Hexagonal Architecture
- Domain-Driven Design (DDD)
- Event-driven systems
- Experience designing APIs (REST, gRPC)
- Strong testing practices (unit and integration)
- Experience with distributed systems
- Knowledge of relational and/or NoSQL databases
- Experience with cloud environments and containers (Docker, Kubernetes is a plus)
- Good backend security and performance practices