Go Developer (Fintech/Crypto)

EMCD; United States; Remote; USD 120,000 - 240,000; Full time

Benefits offered by this job

Remote work worldwide

Flexible hours

Paid vacation days

Job summary

EMCD is seeking a Senior Go Developer to join a backend team, building high-load services for financial and mining products. You will work on transaction lifecycles, money flows, and core architecture modernization.

The role requires strong Go and PostgreSQL skills, experience with gRPC/REST and Kafka, and a track record of applying microservice patterns to financial systems. Remote work is fully supported.

Qualifications

• Production experience with money operations in fintech or crypto: holds, debits, credits, balances, transaction lifecycle, and reconciliation.
• Strong knowledge of safe money movement: 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 with timeouts, provider-side statuses, delayed reversals, and reconciliation.

Responsibilities

• Build new backend services in Go and improve existing products.
• Integrate external providers via REST and internal services via gRPC and Kafka.
• Refactor legacy services to reduce costs, simplify architecture, 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.

Skills

Go

PostgreSQL

gRPC/REST

Kafka

Microservices

Money operations

Idempotency

Auditability

Distributed transactions

AI agents in development

Job description

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 one of our backend teams and work on high-load services across financial and mining products.Depending on the team, you may work on transaction lifecycle and money flows, core archtecturetasks, or modernization and migration of core mining services.

Responsibilities

• Build new backend services in Go and improve existing 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

Requirements

• 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

What We Offer

• 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