nmahmutow

Kaspersky Endpoint Security for Linux (KESL) — cybersecurity system for Linux servers. Developed an admin dashboard using React + internal UI-Builder framework, reducing interface load time by 25%. Implemented automated testing (Jest, React Testing Library), achieved 78% code coverage, reduced production bugs by ~30%. Led code reviews for a team of 4 frontend developers, introduced style guides and automated linting — accelerated onboarding for new hires. Refactored legacy class components to functional components (hooks, context), significantly improving code maintainability. Built a Node.js microservice for security event processing.

Corporate dashboard for oil well monitoring. Built a real-time data visualization dashboard with React + TypeScript + MobX. Used daily by 200+ engineers. Integrated Highcharts.js to display 10+ chart types. Optimized rendering to eliminate lag during 5-second data updates. Implemented REST API request caching, reducing backend load by 40%. Introduced ESLint / Prettier across the frontend codebase, unifying code style for a team of 6 developers.

Developed internal financial dashboards using React and Vue.js. Integrated D3.js for reporting visualization. Proposed 3 improvements to the internal component library — accepted and implemented.

Energy portal for a major industrial client. Architected the frontend from scratch using React + TypeScript + MobX. Developed custom D3.js charts for energy consumption visualization, improving peak load accuracy. Integrated RxJS for WebSocket-based reactive data processing. Contributed to the corporate design system based on Material-UI.

Developed and published 3 cross-platform mobile apps (App Store, Google Play) using Cordova + React. Wrote Jasmine.js tests for critical features, reducing regression issues in production releases. Migrated legacy code from Angular.js to React.

Full-stack development on 1C-Bitrix (PHP), adaptive HTML/CSS layout, SQL reporting. Early experience with Node.js, Express.js, CoffeeScript. Maintained a regional news portal (31tv.ru) with 50K+ daily visitors.