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Volodymyr Ustilkin | Frontend Developer

Cherkasy, Ukraine

LinkedIn: [open contact info](look above in the "contact info" section)
Email: [open contact info](look above in the "contact info" section)

Summary:
Software Developer with 5 years of commercial experience: 4.5 years in frontend
(JavaScript, HTML5, SCSS; primarily Vue.js, some React) and 6 months in backend.
Currently focused on enhancing frontend skills within the React and Next.js
ecosystem.

Skills:
• Languages: JavaScript (ES6+), TypeScript, HTML5, SCSS/CSS, SQL
• Frontend: React, Redux, Zustand, Next.js, Vue.js, Vuex, i18n
• Backend: Node.js, Express.js
• APIs REST API, WebSockets, JWT
• Testing: Jest, Cypress
• Tools: Figma, Jira, Docker, Git, Webpack
• Databases: PostgreSQL, SQLite
• Soft skills: Teamwork, Adaptability, Time Management, Fast Learner, Mentoring

Experience:
Frontend Developer – Master Of Code Global
Jul 2021 – Oct 2025 (4.5 years)
• Developed components in Vue.js and React; worked with JavaScript (ES6+),
HTML5, SCSS/CSS.
• Implemented business logic and UI for a web application integrated with Shopify
(Shopify App).
• Reduced average first-render time through component refactoring and lazy-loading,
improving Time-to-Interactive and lowering bounce rates.
• Integrated frontend with REST APIs, including authentication and handling
asynchronous requests and errors.
• Optimized interface and UX performance by reducing render time and interaction
lags when navigating lists and tables.
• Maintained and refactored the existing codebase; participated in code reviews.
• Wrote unit tests using Jest to improve code coverage.
• Mentored JavaScript courses at Masters Academy (2022–2023).
Java Developer – SPD Technology
Apr 2020 – Oct 2020 (6 months)
• Developed and maintained server-side modules and microservices.
• Resolved bugs and issues.
• Participated in code reviews to ensure code quality.

System Administrator – Civil Service
Oct 2008 – Nov 2019 (11 years)
• Administered servers and networks; configured backups and monitoring.
• Automated tasks via scripts; diagnosed and resolved infrastructure issues.
• Collaborated with development teams to ensure service stability.

Laboratory Assistant – Kyiv National University of Technologies and Design
Sep 2005 – May 2006 (9 months)
• Prepared documentation and provided lab support.

Education:
• Kyiv National University of Technologies and Design (KNUTD) – Specialist and
Master’s degrees with honors, 2003–2007; 2016–2017

Additional education and certificates:
• Career Essentials in Generative AI by Microsoft and LinkedIn / 2023 / Сertificate
• Front-End advanced – internal company courses (Master Of Code Global) / 2021
• Junior JavaScript Developer – Geekhub / 2021 / Credential ID: gh21js003
• CSS – Sololearn / 2020 / https://www.sololearn.com/Certificate/CT-5SCYRWJZ/jpg
• HTML – Sololearn / 2020 / https://www.sololearn.com/Certificate/1014-10038786/jpg
• JavaScript – Sololearn / 2020 / https://www.sololearn.com/Certificate/CT-LL79XJWV/jpg
• Java for web – Geekhub / 2020 / Credential ID: gh20jw012

Languages:
• Ukrainian: native speaker
• English: B1

Recommendations:
• [open contact info](look above in the "contact info" section)