Nikita Kolos

Successfully delivered solutions for Lufthansa, BMW, German Airways and other clients. Key contributions: - Built FlightViewer (React/TypeScript, Node.js) for managing flight data with 500+ users, achieving exceptional LCP (~0.5s) and CLS (~0.06). - Enhanced smartOFP iPad app (Swift), integrating APIs (Leon, Skylegs) for seamless data sync. - Delivered video streaming iPad app with PiP mode and adaptive design. - Improved DevOps processes via Dockerization and ELK, boosting stability and automation.

Contributed to SpexAI (IoT), Health Tracking app, and confidential projects for global consulting and ride-hailing companies. Achievements: -Optimized a ride-hailing platform module (~73M visitors) for route calculations and fares. -Designed front-end libraries, APIs (Node.js, Golang), and cross-platform Cardio Tracking app (React Native). - Boosted quality via tests (Jest, Playwright) and GitLab CI. - Mentored juniors, led interviews, and improved documentation.

Contributed to Ashton Woods, Starlighthomes, and other projects. Key achievements: - Optimized Ashton Woods website (147K+ visitors/month), boosting load speed by 70% and reducing bounce rates. - Built responsive UIs with React, Redux, SCSS, ensuring accessibility and smooth navigation. - Integrated property search, Google Maps, and CMS (Drupal, WordPress). - Resolved critical bugs and enhanced stability. - Conducted code reviews to maintain quality.