Ростислав

Ostapyak Rostyslav
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Professional Summary
Experienced ReactJS Developer with over 4 years of expertise in building scalable web applications. Adept at creating user-friendly interfaces, implementing advanced features, and delivering solutions tailored to client needs. Skilled in problem-solving and collaboration with cross-functional teams.

Professional Experience
ReactJS Developer
INGKA Group, Malmo
06/2022 — 10/2024
• Developed an application for the real estate department.
• Engaged in customer communication and requirement analysis.
• Delivered effective solutions through problem-solving and collaboration.
ReactJS Developer
Barwenock, Kyiv
12/2021 — 06/2022
• Contributed to a marketplace project featuring 15 unique templates with a shared codebase.
• Worked with Gatsby for server-side rendering (SSR) and deployed projects on Netlify.
ReactJS Developer
Softemy, Kyiv
07/2020 — 06/2022
• Built a "healthy lifestyle" website with personalized user accounts and tailored recommendations.
• Enhanced flexibility in project development through experimentation and innovation.

Education
Bachelor's Degree in Programming Engineering
Ivano-Frankivsk National Technical University of Oil and Gas
2016 — 2017
Bachelor's Degree
Społeczna Akademia Nauk
2017 — 2020
Junior Specialist
College of Electronic Devices
2012 — 2016

Skills
Frontend Development
• ReactJS, Redux, Context API
• JavaScript (ES6+), TypeScript
• HTML5, CSS3, SASS/SCSS, Styled Components
• Gatsby.js, Next.js
• Responsive and adaptive design, Mobile-first approach
Backend Integration
• RESTful APIs
• GraphQL
• WebSocket communication
Tools and Frameworks
• Git, GitHub, Bitbucket
• Webpack, Babel, NPM, Yarn
• Storybook for UI component development
• Figma, Adobe XD for design collaboration
Deployment and Performance
• Netlify, Vercel
• CI/CD pipelines
• Server-Side Rendering (SSR), Static Site Generation (SSG)
• Website performance optimization (Lighthouse, Core Web Vitals)
Testing and Debugging
• Jest, React Testing Library
• Debugging tools: Chrome DevTools, VSCode Debugger
Soft Skills
• Communication with stakeholders and clients
• Agile and Scrum methodologies
• Strong problem-solving skills
• Team collaboration and mentorship
Additional Technologies
• Basics of Node.js, Express.js
• MongoDB, Firebase
• Knowledge of Docker

Languages
• English: Intermediate
• Ukrainian: Native
• Polish: Intermediate