Available to hire
I’m a results-driven Fullstack Developer with over 8 years of experience delivering high-quality software across energy and healthcare. I specialize in building scalable applications with React on the frontend and Node.js or Python/Django on the backend, delivering robust performance and clean code.
I champion CI/CD, containerization with Docker, and secure development lifecycle practices. I enjoy collaborating with cross-functional teams, mentoring junior developers, and translating business goals into reliable technical solutions, resulting in faster deployments, improved security, and better user experiences.
Skills
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Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
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Expert
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Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
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Intermediate
Work Experience
Full Stack Developer at MITEYDA
February 1, 2023 - November 1, 2025Built high-converting landing pages and campaign sales funnels for sportsbook and casino promotions using Vue.js, TypeScript, HTML, and SCSS, translating Figma designs into pixel-perfect, responsive layouts and increasing sign-up conversion rates by approximately 28%. Implemented custom HTML blocks and advanced CSS/SCSS styling to match brand guidelines, reducing UI-related QA issues. Structured complex user journeys including registration flows and multi-step forms, aligning with checkout/funnel best practices and improving completion rates by over 20%. Optimized page performance by refactoring JavaScript logic, reducing DOM complexity, and applying lazy loading strategies, improving mobile performance. Collaborated with marketing and design teams to clarify CTA behavior and ensure accurate asset implementation for A/B testing and rapid iteration. Maintained clean, modular code with thorough documentation to support scalability.
Frontend Developer at Regional Gas Company
September 1, 2020 - February 1, 2023Developed SPAs and informational portals using React, Vue, TypeScript, JavaScript, HTML, and SCSS, delivering mobile-first, responsive layouts across major browsers. Translated mockups into production-ready components with structured CSS/SCSS and utility classes for maintainability. Integrated REST API data into dashboards and content-driven pages with graceful loading and error handling. Optimized performance by minimizing re-renders and refining animations, improving load times and interactions. Provided ongoing frontend support for live systems, diagnosing issues via browser devtools and delivering precise fixes.
Web Developer at JBW
March 1, 2018 - August 1, 2020Created customer-facing landing experiences and multi-step funnels for a healthcare platform using Next.js, React, TypeScript, SCSS, HTML, and CSS, focusing on conversion-oriented layouts. Implemented responsive component libraries and layout systems to maintain pixel-perfect alignment across devices. Integrated Stripe and related flows into checkout-like experiences, improving successful transaction rates. Built interactive sections, banners, and modals for promotions and onboarding while ensuring performance and accessibility.
Fullstack Developer at MITEYDA
February 1, 2023 - March 1, 2025Designed and implemented a scalable architecture for the 'Ramp UP' project using React.js and Node.js, boosting performance by 30%. Optimized RESTful APIs to improve response times, contributing to a 25% increase in user retention. Built automated testing frameworks achieving a 95% test pass rate across integration and unit tests. Collaborated with cross-functional teams to deploy CI/CD pipelines using Docker and Azure DevOps, reducing deployment times by 50%. Led code reviews and mentored a team of 5 junior developers in clean code and Agile practices. Integrated security protocols into the SDLC, resulting in a 60% decrease in vulnerabilities. Drove performance tuning reducing server response times by 40% and improved application load speed. Utilized Agile methodologies to improve project management and team collaboration. Facilitated cross-departmental training on emerging technologies.
Fullstack Developer at Regional Gas Company
September 1, 2020 - February 1, 2023Architected and developed the Cross-border biomethane sales project (VTP/trading workflow) using Node.js and PostgreSQL; implemented microservices to improve scalability by 50%. Conducted CI practices reducing merge conflicts by 40%. Optimized SQL queries lowering data retrieval times by 35%. Participated in security audits to improve security practices and reduce data breaches. Led automated deployment via Docker increasing deployment frequency and reliability. Collaborated with business analysts to align software with user needs and market demands, boosting customer satisfaction.
Fullstack Developer at JBW
March 1, 2019 - August 1, 2020Developed a healthcare application using React.js on frontend and Django on backend, improving user engagement by 45%. Implemented end-to-end tests with Jest and Cypress, increasing application performance and security. Collaborated with UX designers to create highly interactive applications, reducing user drop-off by 30%. Refactored legacy codebases to modern technologies, significantly reducing technical debt. Participated in Agile ceremonies, contributing to efficiency and clarity in project progress and timelines.
Education
Bachelor's degree at National Technical University of Ukraine
January 1, 2013 - January 1, 2017Bachelor's degree at National Technical University of Ukraine
January 1, 2013 - January 1, 2017Bachelor’s Degree of Computer Science at National Technical University of Ukraine
January 1, 2014 - January 1, 2018Qualifications
Industry Experience
Gaming, Software & Internet, Healthcare, Media & Entertainment, Professional Services, Energy & Utilities
Skills
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Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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