- Designed and developed core functionality of several services including NFT Bridge and Transaction Quality Service- Improved high availability and fault tolerance of the system via Temporal and following AWS best practices- Optimized performance by redesigning database models - Ensured code quality by promoting unit and integration tests - Collaborated with the team to integrate CI/CD pipelinesTechnologies: Golang, Rust, AWS (EKS, Lambda, Api Gateway), Kubernetes, PostgreSQL, Ethereum, Temporal, Solidity

- Designed and implemented core microservices for automatic decision making solution- Optimized AWS costs - Redesigned JS execution engine on the backend side which improved stability and performance- Reimplemented database schema resulting in improved performance and lower costs- Optimized backend performance. Reduced latency and improved TPS by reworking threading approach and introducing caching - Collaborated with team to design architecture for critical parts of the solution - Implemented AWS best practices resulting in high availability and fault tolerance Technologies: .NET Core, AWS, Kubernetes, Prometheus, RabbitMq, Redis, WebApi, Wcf, MySql, PostgreSQL, Python

- Collaborated with the team to implement CRM service for leading european bank- Designed and implemented dynamic customizable viewer of the documents, domain model for it and database model - Created database design for most of services - Ensured code quality by introducing code review best practices to the team- Implemented unit testing and integration testing approachesTechnologies: .NET, WebApi, ASP.NET, MsSql

- Implemented some of the critical parts of mobile campaign management service - Wrote high level design documents for some of the most important parts of the system- Refactored some of existing components to be more maintainable- Improved code coverage with unit testsTechnologies: .NET, WCF, ASP.NET, ADO.NET, SQL Server, Web services, MSMQ.

- Refactored some of existing components to be more maintainable- Improved code coverage with unit testsTechnologies: .NET, WCF, SQL Server, DevExpress.