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 within two business days.• 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 release. Collaborated closely with backend developers and QA to ensure seamless integration and user satisfaction, delivering a feature quickly enhanced user engagement and was widely adopted.• 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 stress.

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, significantly improving the burn rate.• 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.• Experimented with various management frameworks, including Scrum, Kanban, and agile principles, to refine workflows and improve team delivery speed.