Senior Golang Developer

As a Senior Golang Developer at ioBuilders, you join a high-performing technical team working on licensable B2B products built on modern, scalable, and maintainable architectures. You take part in technical decision-making, shape architecture, and set engineering best practices across the team.

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 you bring

• 5+ years of experience in backend development
• Strong, hands-on experience with Golang in production
• Solid knowledge of 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

Nice to have

• 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

• Flexible working hours
• Remote working based on team needs, plus a Remote Work Allowance
• 25 vacation days
• Your birthday as a day off
• 2 free days for conferences and courses, plus a budget
• Social benefits including flexible payment plan and medical insurance

About ioBuilders

ioBuilders is a blockchain product company focused on building new businesses using the benefits of Distributed Ledger Technologies and Blockchain. With experience in banking, regulation, product management and software development, the company creates an environment where people matter and transparency is core to the culture.