• Developed high-load banking app backend, migrated monolith to microservices in Agile environment. Refactored codebase, optimized complex business logic, and wrote migration scripts.• Led end-to-end migration cycle, developed asynchronous modules, and conducted code reviews.Contributed to backlog, planning, and demos.• Managed release builds, deployment in Jenkins, reduced technical debt via SonarQube.

• Contributed to REST app development integrating with Yandex service. Led MVP development,established architecture and processes from scratch.• Optimized recommendation module, coordinated with developers, integrated third-party service APIs.Developed authentication, token handling, and cookie management components.• Managed CI/CD setup and support using GitLab Runner, configured deployment pipeline, conductedcode reviews independently.• Performed cloud load testing, ensured detailed API documentation for frontend and mobile teams.

• Supported company’s internal BIM design management product: monolithic web app interfacing withdesktop software via XML. Developed complex business logic for data transformation and APIintegration, and statistics visualization.• Developed integration module with Autodesk software, speeding up application’s key flow by 30%.Refactored legacy C# and LISP modules.• Conducted interviews, onboarded team members, streamlined processes. Led code reviews, wroteautomation scripts in Python and Bash for design.