Sergei Ponomarev Email & Phone Number

Remote

✅ The content platform for strategic communication by topic- Promoted trunk-based development, reducing development cycles by 25% and speeding up product iteration by 30%, which led to a 15% revenue boost from new features.- Led migration to TypeScript, improving code robustness and cutting production issues by 20%, resulting in a 10% drop in support costs and reduced churn.- Introduced custom feature toggles service, speeding up code delivery and minimizing risks, which… Show more ✅ The content platform for strategic communication by topic- Promoted trunk-based development, reducing development cycles by 25% and speeding up product iteration by 30%, which led to a 15% revenue boost from new features.- Led migration to TypeScript, improving code robustness and cutting production issues by 20%, resulting in a 10% drop in support costs and reduced churn.- Introduced custom feature toggles service, speeding up code delivery and minimizing risks, which increased user engagement by 12% and allowed faster market responses.- Enhanced performance, improving loading speed by 40% and reducing server requests by 60%, which boosted user satisfaction and contributed to a 20% increase in retention.Skills: JavaScript, TypeScript, React, Next, Tailwind CSS, MobX, React Query, GraphQL, Monorepo, Jest, React Testing Library ,SSR Show less

✅ Online real estate marketplace (e.g. the Russian equivalent of Zillow)- Led the frontend development of CRE.Space, architecting scalable solutions that supported real-time data and market insights for real estate professionals.- Enhanced cross-functional collaboration across frontend, backend, and UX/UI teams, ensuring seamless integration of project components- Mentored junior developers, supporting their growth and enhancing overall team performanceSkills:… Show more ✅ Online real estate marketplace (e.g. the Russian equivalent of Zillow)- Led the frontend development of CRE.Space, architecting scalable solutions that supported real-time data and market insights for real estate professionals.- Enhanced cross-functional collaboration across frontend, backend, and UX/UI teams, ensuring seamless integration of project components- Mentored junior developers, supporting their growth and enhancing overall team performanceSkills: TypeScript, Redux, Jest, Node JS, React, Microservices, React Testing Library Show less

Los Angeles, California, United States

✅ Agile website editor for creating landing pages or web stores to sell games, virtual currency, and items- Contributed to the development of a product named Site Builder.- Successfully migrated to the Jest library for comprehensive code testing.- Conducted code reviews to maintain quality and adhere to best practices.Skills: JavaScript, React, Node JS, MongoDB, SSR

✅ Tool allowing users to visualize apartment designs- Created MVP from scratch- Managed administrative and content services for Talan's mobile app to enhance functionality and user experience.

✅ Different E-commerce projectsBuilt and managed backend systems for online shops and admin panels while also working on frontend development for improved user interfaces.