Senior Go Developer

EMCD is a global crypto ecosystem building products across mining wallets payments custody and digital asset infrastructure.

We are looking for a Senior Go Developer to join the CHW Services team and work on backend services connected to real money flows: holds debits credits provider integrations reconciliation and transaction lifecycle management.

We are considering candidates from fintech or crypto backgrounds who have built and supported money operations in production.

• Build new backend services in Go and improve existing CHW Services products
• Integrate external providers via REST and internal services via gRPC and Kafka
• Refactor legacy services to reduce support cost simplify architecture remove technical debt and improve test coverage
• Improve monitoring logging alerting and security for financial flows
• Support production systems investigate incidents and track operation lifecycle end to end
• Provide technical mentorship within the team

• Production experience with money operations in fintech or crypto: holds debits credits balances transaction lifecycle and reconciliation
• Strong understanding of how to store and move money between systems safely: decimal precision operation keys idempotency consistency and auditability
• Strong production experience with Go PostgreSQL gRPC / REST and Kafka
• Real experience applying microservice patterns to financial systems: Saga compensation distributed transactions outbox idempotent consumers and reconciliation loops
• Experience integrating external providers via REST including timeouts provider-side statuses delayed reversals and our side / their side reconciliation
• Strong PostgreSQL beyond CRUD: transactions isolation levels unique constraints locks indexes and EXPLAIN
• Strong Kafka knowledge: partitions consumer groups offsets rebalancing delivery guarantees ordering and safe horizontal scaling
• Active use of AI agents in development with a practical understanding of spec-driven workflows and harness building

• Fully remote work from anywhere in the world
• Flexible working hours focused on results
• 20 paid vacation days 12 additional bonus days
• 100% paid sick leave
• Paid English lessons
• Support for courses certifications and training programs
• Real ownership in fintech and crypto infrastructure projects