Dmitrii Komalov Email & Phone Number

Lisbon, Portugal

• Reduced one of the most painful technical dept by re-engineering sweateconomy.com to unblock feature development suit company needs.
• Comfortably followed multitask workflow as a member of Core Team, reducing blockers for product teams.
• Streamlined the release process for the B2B portal "Sweatcoin for Work," finalizing and optimizing a server-side rendered React application built with Next.JS, Redux Toolkit, and Styled Components.
• Configured BugSnag for error tracking, enabling the identification and resolution of dozens of critical issues pre-launch, ensuring a smooth and stable product release.
• Introduced an implementation of geolocation-based content delivery system using Cloudflare and a Koa server, ensuring 100% readiness to meet regulatory requirements in any region and enabling compliance adjustments.
• Optimized and configured analytics integrations, ensuring accurate and reliable data collection to support informed decision-making and improve business outcomes.

Moscow, Russia

• Designed and developed with full ownership the “pin on map” feature from scratch and gathering requirements using Google Maps SDK, starting from initial prototypes in a sketchbook to the final product launch and press.
• Established and maintained an end-to-end testing process using Playwright, writing 80% of tests and leveraging libraries as Faker.js to create realistic scenarios pursuing the goal to prioritize quality.
• Optimized editing forms for high-pressure scenarios by implementing robust error handling and network resilience, ensuring a seamless user experience even during slow connections or errors.
• Enhanced drag-and-drop functionality across multiple devices, improving user satisfaction and form submission reliability.
• Integrated third-party services, including geocoding and reverse geocoding with Google API, improving the quality and stability of the most frequent use cases.
• Streamlined rollback processes for problematic releases by creating comprehensive, step-by-step documentation inspired by best practices from the aviation industry, reducing rollback times by 50% and eliminating any.

Samara, Russia

• Reduced time to market for the MVP of the LoyalUP system from a couple of months to just 2 weeks by prioritizing features effectively based on product needs and a deep understanding of business requirements.
• Implemented unit test-driven development for core features using Jest, ensuring that core functionality (~20% of the code base) was self-documented and resistant to incidental changes on a fast scalable platform.
• Updated the technical design to eliminate bottlenecks in feature development, turning refactoring into a continuous process rather than a time-consuming barrier.
• Optimized the main page's TTI metric, improving loading speed by more than 10 times using the “windowing” technique with libraries based on the Intersection Observer API.
• Accelerated feature development by introducing specialized toolkits, contributing to revenue growth.
• Eliminated repetitive visual bugs on the Appbooster platform’s main page by switching from current style system built over SCSS to Styled Components, ensuring that changes became predictable and manageable.