Alexey Spasskiy

Developed and successfully launched an MVP for a new advertising network. Managed the onboarding and testing processes for the initial clients. Led all aspects of external integration, including architectural design, contract negotiation, and implementation of all requisite Go services. Implemented an authentication and authorization system across all services. Led a security audit and crafted a vulnerability remediation strategy. Served as the team’s Security Champion, adhering to industry best practices

Led the recovery, refactoring, and further development of a highload distributed system for downloading and analyzing website data. Reduced downtime by 20% by finding and fixing critical bugs in several Go microservices. Increased system performance by 15% by optimizing interactions with the Tarantool. Prepared the system for the migration to a new relational database (PostgreSQL). Enhanced system maintainability by implementing test driven development approach and increasing test coverage from 2% to 40%

As part of the team, developed a high load website sber.ru for a new technological platform. Developed and implemented a number of key Java microservices (weather, traffic, currency) with 80% test coverage. Configured and implemented a security gateway for internal and external integrations that successfully passed a security audit