Summary: Join a dynamic team focused on backend development, optimizing performance, handling data, and expanding application functionality within a microservice architecture. Highlights: 1. Opportunity to make a significant impact in a growing fintech company 2. Work with passionate coworkers and advanced tech stack 3. Focus on career growth within a young, ambitious company **WHAT YOU'LL BE WORKING ON** * Query optimization to improve performance and efficiency * Data handling tasks including synchronization and transfer across services * Implementing new business logic and expanding application functionality * Integrating and optimizing system metrics for observability and monitoring **WHAT YOU NEED TO SUCCEED IN THIS ROLE** * At least 5\+ years of experience in backend development, including 2\+ years of production experience with Golang * Deep knowledge of Golang and its ecosystem * Solid understanding of multithreaded systems and concurrent programming principles * Strong knowledge of SQL and experience working with relational databases * Proven experience in developing and maintaining microservice architectures * Strong understanding and practical application of software development principles: SOA, SOLID, KISS, DRY * Experience in architectural design and readiness to propose and implement technical solutions * Familiarity with Clean Architecture principles and Domain\-Driven Design (DDD) * Experience in fintech is a plus, but not required * Good written and verbal communication skills in English (B1–B2 level or higher) and fluent russian language. **OUR TECH STACK** * Go, PostgreSQL, Redis, DynamoDB, Kafka, RabbitMQ, gRPC **WHAT WE OFFER** * An opportunity to make something great even greater, you can be the reason why we grow, develop, and become **the best fintech company on the market!** * Career prospects \- we are young, we have huge ambitions, and it is important that our employees grow with us * Work with coworkers who are passionate about their business * Compensation that will fully correspond to the competence and knowledge, with yearly performance reviews * Remote type of work * 20 days of vacation time; bank holidays; Sick leaves; Additional birthday day off You can find out more about our team, our values, and the unique ways we celebrate our successes here: https://fyst.com/culture SgklEWkZU5