Bachelor’s Degree

- Developed Microservices with REST and GraphQL API. - Took part in design and architecture of microservices. - Apollo Federation graph - took part in development of gateway service, which orchestrate multiple schemas between microservices. - Migrated apps from Firebase to Firestore with codebase refactoring. Collaborated with Firestore developers. - Developed GitHub CI/CD plugins using ServiceNow CI/CD API and documentation and published them to GitHub marketplace - Investigated ServiceNow platform restrictions and how to work with it and developed PoC. - Developed, certified and published NodeJS-based plugins inside ServiceNow for data consumption and production with Threat Response & AMP for Endpoints. - Developed map-based website and worked on performance improvements by implementing memoization, reducing re-renders, and reducing bundle size. - Worked on several migrations such as multi-page application to SPA, Thunks to Sagas, and JS to TS. - Experienced in software observability

Senior Software Engineer

- Designed backend structure and built zero-fee freelancer jobs marketplace - Developed socket-based chat and payment integration. - Developed currency transactions and modules for statistics. - Worked closely with architect to implement complex statistics logic and setup/design Cassandra. - Utilized Winston, Webpack for development.

Full Stack Web Developer

Source-to-Pay Platform - SaaS in S2P and O2C area - Developed SocketCluster-based proxy service to integrate SPA applications with legacy platform in real-time communication. - Created and published GitHub action, enhancing workflows and optimizing CI/CD pipeline. Improved CI/CD workflows. - Completed performance improvements, memory leak investigations and implemented unit/component/e2e testing. - Increased performance by 11% by removing unnecessary Redis transactions, improving caching strategy, adding several new tubes for FE clients, re-prioritizing queue messages, and adding debounce for topic requests which allowed us to avoid duplicated requests. Measured using performance tests and Grafana metrics. - Detected & fixed 2 heavy memory leaks in Node.JS and GraphQL services. NodeJS server has used the Map object to store connected sockets, and even after the socket disconnected, it wasn't removed from the Map. During the user session, this socket kept growing. For GraphQL, the probl

- Created styled multi-select plugin using Javascript - Implemented SQL query optimizations - Performed backend optimizations - SQS integration

Full stack developer

Architect

Product Management

Product Design

Software Engineer

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