Valentin Agapitov

Qa Lead @Ston.Fi

London, GB

STON.fi is a decentralized automated market maker (AMM/DEX) built on the TON blockchain. I lead QA strategy, drive test automation initiatives, and oversee cross-functional QA processes.Achievements:* Implemented automation regression testing from scratch for cross-chain services, reaching 60% requirements coverage and building a scalable framework for future growth* Standardized QA automation practices for the core DEX service, achieving 70% coverage and significantly reducing regression cycle time* Designed and deployed a mock gRPC service, improving reliability and speed of cross-chain testing across the team* Integrated automated tests into CI/CD pipelines, enabling faster and more stable releases* Supported testing and final release of DEX V2 and Ethena, ensuring stable, on-time production launchesResponsibilities:* Manage and improve QA processes in the company* Planning of improving and manage QA and business processes, framework and tests* Requirements analysis and test cases development* Develop and support automation tests, a test framework and continuous integration* Analysis tests results, creates bug reports and reproduces errorsStack: TypeScript, Playwright, GitLab CI, TON Blockchain, Web3, Kubernetes, gRPC, JSON-RPC

Saint Petersburg State Electrotechnical University "LETI"​

Master's degree, Computer and Information Systems Security/Information Assurance