Senior Go Engineer (Core Banking)

5+ years of professional Go development experience, including 3+ years in fintech, banking, payments, or other transaction-critical systems

Strong knowledge of distributed systems, microservices, and API design (REST and gRPC)

Advanced PostgreSQL skills, including transactions, isolation levels, locking, indexing, migrations, and concurrency

Experience designing reliable transactional systems using idempotency, retries, event deduplication, transactional outbox, sagas, and reconciliation

Hands-on experience with event-driven architectures and message brokers such as NATS, Kafka, or RabbitMQ

Experience building and operating production services, including incident investigation, safe deployments, database migrations, and observability

Practical knowledge of AWS, Kubernetes, and CI/CD

Experience integrating with banks, payment providers, processors, AML/KYC, or anti-fraud platforms

Understanding of security requirements for financial and personal data

Ability to translate business requirements into technical solutions and independently drive implementation

Strong communication skills and working proficiency in Russian and English

Hands-on experience in several of the following areas is highly valued:

Ledgers, accounting flows, accounts, and balance management

Holds, reversals, adjustments, reconciliation, and settlement

SEPA, SWIFT, and ISO 20022

Card transaction lifecycles and card scheme integrations