Software Engineering Intern at Yandex

Strengthened web application security by implementing Content Security Policy (CSP), mitigating risks and ensuring safe handling of internal resources. Engineered desktop notifications using IPC protocol in Electron.js for Yandex Messenger, enhancing real-time communication and platform compatibility across macOS and Windows. Enhanced CI/CD workflows by automating reruns of flaky e2e tests, improving test reliability and accelerating CI for incoming pull requests. Enabled feature rollout with metrics and feature flags for new notification features, supporting targeted A/B testing and improving user engagement.

Software Engineering Intern at Protosedu

Enhanced data consistency by integrating transaction management with rollback mechanisms, ensuring atomicity and reliable data integrity. Reduced deployment errors by 40% by managing a fully automated CI/CD pipeline with Github Actions. Managed migration of cloud provider to Yandex Cloud, reducing company costs by 37%. Improved backend performance by implementing Asyncio to handle concurrently I/O-bound tasks, reducing average response times by 40% and optimizing resource usage.

Full Stack Intern at Vbox

Optimized rendering processes using React Query alongside database indexing techniques within Django ORM; achieved an average loading time reduction of 1.5 seconds per page view. Improved API response speed by 41% through frontend caching with React Query and database indexing with SQLite and Django ORM. Implemented MQTT-based vending machines control system on Raspberry Pi devices, enabling direct access to transaction operations for 500+ customers daily. Migrated Django’s admin panel to a custom React solution, reducing admin overhead by 50%.

Software Engineering Intern at Yandex

Strengthened web application security by implementing Content Security Policy (CSP); implemented desktop notifications for Yandex Messenger via Electron IPC; automated reruns of flaky end-to-end tests to improve CI reliability; introduced metrics and feature flags for new notification features to support targeted A/B testing.

Software Engineering Intern at Protosedu

Enhanced data consistency by integrating transaction management with rollback to ensure atomicity; automated CI/CD pipeline with GitHub Actions, reducing deployment errors by 40%; migrated cloud provider to Yandex Cloud, cutting costs by 37%; improved backend performance by async I/O with asyncio to handle concurrent tasks, reducing average response times by 40%.

Full Stack Intern at Vbox

Optimized rendering with React Query and database indexing within Django ORM, reducing average page load times by 1.5 seconds; improved API response times by 41% through frontend caching and database indexing; built MQTT-based vending machine control with Raspberry Pi for 500+ daily transactions; migrated Django admin to a custom React interface reducing admin overhead by 50%.

Remote Software Engineering Intern at Yandex

Resolved about 50 UI defects, reducing the open bug backlog by 30% and mean time to resolution by 30%. Migrated custom in-app banners to OS-native notifications via Electron IPC on macOS/Windows, improving user experience by lowering delivery latency from ~900 ms to ~500 ms. Stabilized CI/CD pipelines by automating re-runs of flaky E2E tests, saving time. Added metrics and logging for notification behaviors (delivery, show, click), reducing user-facing notification issues by 30%.

Software Engineering Intern at Protosedu

Engineered a no-code exercise constructor (drag-and-drop, multiple-choice questions, click-correct answers). Brought 2,000+ new users in the first month. Used ACID transactions with Django ORM on PostgreSQL to ensure atomicity for 6,000+ users. Introduced Redis caching to reduce latency by 45% and implemented asyncio to improve I/O-bound task throughput, reducing average response times by 40%.