Experience
Designing and scaling product-oriented applications with a focus on performance, analytics, UX optimization, and growth funnels.
Technologies: JavaScript, TypeScript, React, Next.js, Nest.js, Node.js, Playwright, Stripe
- Building and optimizing sales funnels to increase conversion and customer lifetime value
- Applying UX and behavioral design strategies to improve acquisition and retention
- Setting up analytics and tracking systems for data-driven decision making
- Designing automated visual regression testing workflows
- Maintaining UI consistency and preventing production regressions
Project: Inspera (Digital Assessment Platform)
A global assessment ecosystem used by educational institutions and professional organizations.
Technologies: JavaScript, TypeScript, React, Node.js, Java, Mocha, Sinon, Enzyme, Puppeteer, Percy, TeamCity, SonarCube
- Led development of major frontend features and platform improvements
- Led a frontend team of 5 engineers and reduced onboarding time
- Increased automated test coverage by 300%
- Integrated visual regression testing, reducing visual bugs 3x
- Implemented SVG theme automation to improve accessibility
- Contributed to achieving WCAG 2.1 AA compliance
- Added integration tests validating API integrity
- Contributed to video and audio proctoring systems
- Improved secure browser functionality
- Strengthened long-term client retention through consistent platform improvements
Client: Telenor Denmark
Large telecom provider with 1.4M+ customers.
Technologies: JavaScript, React, Node.js, REST, Tealium, Adobe Analytics, TeamCity
- Participated in full redesign of the main customer portal
- Improved engagement and conversion metrics
- Implemented and maintained Tealium Tag Management
- Integrated Adobe Analytics tracking (marketing effectiveness +30%)
- Built client-side reporting tools
- Supported sales campaigns (+10% sales during campaign periods)
- Conducted internal training sessions
Project: One by AOL (Programmatic Video Platform)
Technologies: JavaScript, Java, Node.js, MongoDB, Jasmine, Nightwatch, Jenkins, S3, Datadog
- Developed high-performance HTML5 video player
- Increased ad revenue through new provider integrations
- Designed and maintained Player Version Manager (95% auto-update success rate)
- Reduced production issues 10x via automated version control
- Improved unit, UI, and mobile test coverage by 50%
- Enhanced CI/CD processes
- Refactored player into modular micro-components
Project: Vidible (Video Advertising Platform)
Technologies: JavaScript, Java, Ruby, Gradle, MongoDB, Jenkins, RSpec, JUnit
- Extended and supported backend services
- Enhanced video player functionality
- Developed ad platform UI features
- Introduced new video ad providers
- Implemented player version switcher
- Automated deployment flow (50% faster releases)
Technologies: Tizen OS, Tizen API, JavaScript, jQuery, Java, Android, Jenkins
- Developed Tizen web-based reference applications
- Built smart watch applications
- Implemented smartphone–wearable interaction protocols
- Worked on framework-level solutions for web apps
- Optimized performance, memory usage, and battery consumption
- Improved UI/UX for mobile and wearable environments
Technologies: PHP5, CodeIgniter, Symfony, JavaScript, MySQL, Selenium, WebOS, Blackberry
- Implemented backend functionality for multiple web projects
- Designed database architecture
- Built reusable UI widgets (calendar, price calculator, rental forms)
- Integrated OAuth, Google APIs, IMAP
- Developed mobile applications (WebOS, Blackberry)
- Implemented Selenium-based UI testing
- Improved UX across multiple products