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 processesWhat we're looking for- 5+ years of experience in backend development- Strong, hands-on experience with Golang in production- Solid knowledge of:Hexagonal ArchitectureDomain-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 practicesNice 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 experienceWhat 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: Flexible Payment Plan, medical insurance and others.- 25 vacation days.- 2 free days for conference/courses + Budget.