Dmitriy Krementsov

Spearheaded the development of 5+ micro-frontend services using a microservice architecture, resulting in a 20% increase in efficiency and an enhanced user experience. Implemented adaptive and responsive interfaces for a user base of 100,000+ students. Optimized GraphQL queries and mutations, reducing data retrieval and modification times by 30% and enhancing overall system performance. Resolved over 100 bugs and incidents, ensuring a 90% stability rate and delivering a more reliable product to customers.

Led the development of a new React-based MVP (SPA) while integrating the Redux state manager. Successfully rewrote the application from JavaScript to TypeScript, reducing runtime errors by 80% and improving code maintainability. Optimized functional components, reducing renderings by 30% and achieving a 10-15% increase in application speed for a more responsive user experience. Conducted 150+ code reviews, ensuring code quality and identifying 95% of potential bugs before production deployment.

Developed user interfaces for Windows policy management desktop applications using .NET Framework and WPF. Implemented GUI for desktop application. Provided development according to OOP and MVVM principles, using popular design patterns to achieve clean and maintainable code. Resolved 500+ bugs and incidents, and refactored more than 200 legacy classes and components to improve application stability. Worked in a Scrum team with 4 front-end developers, 5 back-end developers, QA, and QAA departments.