- Developed a web MVP to create a coach database for a startup in the sports coaching industry, speeding up the process of connecting coaches with trainees, resulting in 15 coaches registering and facilitating dozens of training sessions within the first month.- Led a no-code vendor's work, using modern solutions to make product development faster and more cost-effective, reducing development time by 85% and cutting costs by 75% compared to traditional coding approaches.- Designed the UX and built a mobile app prototype in Figma, improving user navigation and interaction, which increased user satisfaction and engagement by 60% during initial testing.- Quickly made changes to the MVP based on coaches' feedback, demonstrating flexibility and a focus on user needs, which led to a 45% reduction in user-reported issues and enhanced the overall service quality

- Developed an intuitive user interface for the patient dashboard, enhancing access to medical history, test results, and doctor recommendations, significantly improving user experience.- Designed a versatile appointment scheduling feature that accommodates multiple time zones and integrates doctor availability, streamlining the booking process.- Optimized the mobile responsiveness of the patient portal, ensuring seamless functionality across smartphones and tablets, and improving accessibility for users on-the-go.- Implemented a practice of moderating daily stand-ups, effectively reducing meeting durations by two-thirds, which is anticipated to enhance team productivity by 20% and shorten project development cycles.- Developed and thoroughly tested the "Electronic Patient Cabinet" module, ensuring robust functionality and reliability of patient-centric features.- Configured and maintained code style tools, including linters and prettifiers, on the project, standardizing code quality and style across the development team. This effort is expected to reduce code inconsistencies by 40% and enhance overall code review efficiency by 25%.

- Played a key role in the development of an Enterprise Social Network for a leading Russian energy company, taking full responsibility for the user profile functionality along with several other key features.- Actively engaged in code reviews and Scrum ceremonies, significantly enhancing code quality and team productivity.- Assisted backend developers in understanding the business logic for feature implementation, streamlining the development process and reducing the time to develop features by 40%.- Developed a proof of concept (POC) for the integration of mini-applications within the social network's pages, testing the platform's API for functionality and reliability.- Conducted regular code reviews and collaborated closely with other project teams, accelerating the development and implementation of new functionalities.

- Participated in FinTech projects on portfolio management for a leading financial news and information firm and a corporate client portal for a major Russian bank.- Developed and supported a responsive cross-browser web product catalog, enhancing user engagement by 18% and reducing load time by 35% for a global energy management giant’s e-commerce platform.- Conducted interviews, streamlined project onboarding, and mentored junior developers, significantly enhancing team efficiency and contributing to the project’s success.- Managed the entire lifecycle of three chart widgets for a FinTech analytics project, which improved data visualization clarity by 45% and enhanced user experience, resulting in a 20% increase in user satisfaction ratings.- Enhanced a banking feature by conducting comprehensive tests followed by a full refactor using TypeScript, significantly improving code reliability and maintainability.- Elevated the test coverage of a banking feature to 85%, reducing bug rates by 40% post-launch and enhancing feature stability and performance.- Implemented brief demos for the QA team, reducing development cycle bugs by over 50%, thus enhancing product quality early in the lifecycle.- Streamlined the design review process, cutting down time to market by 25% and facilitating the creation of pixel-perfect, reusable components.- Oversaw onboarding and training for junior developers, boosting their productivity and integration into the development team effectively.- Developed a component library using Stencil.js, updating and modernizing the e-commerce platform’s codebase, leading to a 20% improvement in maintenance efficiency.- Successfully built a web application from scratch for a global engineering firm in just 4 months, simplifying complex data management and increasing operational efficiency by 65%.- Designed, implemented, and rigorously tested multiple components for a shared component library.