Tech stack: Go, PostgreSQL/MySQL, MongoDB/Redis, Kafka, NATS, REST/gRPC, AWS, GitLab CI/CD, Prometheus, Grafana.

Key responsibilities:

• Design and develop Go-based services for the payment gateway and related fintech systems, focusing on stability, fault tolerance, and correct handling of financial operations
• Translate business requirements into clear technical specifications and propose concrete solutions at the service and module level, including API design, data models, and integrations with external providers
• Build solutions in compliance with security requirements, including PCI DSS, proper handling of sensitive data, and secure inter-service communication
• Analyze and optimize service performance, including code profiling, concurrency handling, and efficiency of data storage and network interactions
• Participate in the architecture of microservices: service boundaries, communication patterns, load balancing, error handling, queues/streaming, and data storage approaches
• Produce maintainable, testable code with appropriate unit and integration test coverage, following team development standards
• Participate in code review as part of the development process: evaluate implementations, identify issues, and provide constructive feedback aligned with technical requirements
• Contribute to technical discussions by offering concrete, practical solutions within the current architecture and development processes

What You Need to Succeed in This Role:

• 3–5 years of Go development experience focused on backend systems, and around 5 years of experience working with fintech applications
• Understanding of distributed systems, microservices architecture, and API design, including REST/RPC transports
• Experience working with SQL and NoSQL databases, message brokers (Kafka, NATS), and caching systems
• Familiarity with CI/CD practices and tools, preferably GitLab
• Experience working with the AWS cloud platform
• Ability to contribute expertise and collaborate with the team on technical solutions
• Strong communication skills and the ability to explain complex technical ideas to colleagues with varying levels of technical background
• Fluency in written and spoken English and Russian
• Experience in the fintech domain
• Security-by-design mindset: ability to design solutions with security considerations built in at every stage
• Understanding of regulatory requirements in the fintech space (e.g., PCI DSS, GDPR)
• Experience in performance optimization and building high-availability systems
• Experience with observability tools: logging, metrics, tracing (Prometheus, Grafana, OpenTelemetry)
• Experience integrating with external payment providers, processors, or anti-fraud systems

What We Offer:

• Opportunity to shape the future of fintech solutions within a growing company

• Collaborative, horizontal team structure that values your expertise and ideas

• Continuous learning and development opportunities to enhance your skills and career growth

• Competitive salary and benefits package

• Flexible work arrangements to support work-life balance

• Employment will be under the appropriate legal entity based on the role and location.