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CONTACT
www.linkedin.com/
OLES ANDREIKO
in/oles-andreyko-7b5784275
[open contact info](look above in the "contact info" section)
Full-stack Developer
WORK EXPERIENCE
SKILLS FULL-STACK DEVELOPER

Frontend: Angular, TypeScript, CYPHORIA

APR 2025

JavaScript, React, Next.js, React Built and optimized web platforms using Next.js, TypeScript, Node.js, and REST APIs.

Native, HTML5, CSS3, SASS, Developed backend functionality and integrations with Node.js, including API endpoints,
Tailwind CSS, Material UI, authentication, and business logic.

Bootstrap, GatsbyJS, Framer Improved application performance through code-splitting, lazy loading, caching, and
Motion, GSAP, Redux, Zustand, rendering optimization.

React Router, Responsive Design, Containerized applications with Docker and worked with Kubernetes for deployment and
infrastructure management.

Accessibility
Maintained reusable React components and shared application logic across multiple
Backend: Node.js, NestJS, features.

Express.js, REST APIs, Socket.io, Participated in code reviews and contributed to technical decisions across frontend and
JWT, WebSockets, API backend development.

Integration, Authentication & FRONT END DEVELOPER

Authorization
ORVIX

JAN 2025 – MAR 2025

Databases: PostgreSQL, Built React and TypeScript features using reusable components and modular application
MongoDB, SQL, Firebase, architecture.

Firestore
Improved Core Web Vitals through code-splitting, lazy loading, semantic HTML, and
DevOps & Tools: Docker, rendering optimization.

Kubernetes, CI/CD, GitHub, Git, Managed application state with Redux and Zustand across complex user flows.

GitFlow, Vercel, Netlify, Linux, Integrated internal and third-party REST APIs, including request handling, validation, and
Nginx
error states.

Implemented responsive and accessible interfaces based on product and design
APIs & Integrations: OpenAI API, requirements.

Google Maps API, Shopify, Worked with designers and product managers throughout feature development and
Firebase, Third-party APIs, delivery.

Webhooks
FULL-STACK DEVELOPER

Testing & Performance: Jest, VELORA

React Testing Library, Chrome SEP 2023 – NOV 2024

Developed full-stack features using Angular, Node.js, REST APIs, MongoDB, and SQL
DevTools, Lighthouse, Core Web databases.

Vitals, Performance Implemented backend business logic and API integrations for web applications.

Optimization
Built and maintained CRUD functionality, data validation, and frontend-to-backend data
Other: SEO, UX/UI Design, Pixel flows.

Perfect, Agile/Scrum, Code Improved application performance by optimizing React rendering and restructuring
Review, Technical inefficient components.

Participated in code reviews and collaborated with backend and frontend developers on
Documentation feature delivery.

Integrated third-party services and APIs to extend application functionality.

EDUCATION FRONT END DEVELOPER

Ivan Franko National University of Lviv
NOVACODE

Bachelor's degree Computer Science MAR 2023 – AUG 2023

Built responsive and accessible interfaces using React, JavaScript, HTML5, CSS, and SCSS.

Developed reusable UI components and implemented responsive layouts across desktop and
mobile.

Integrated REST APIs and implemented CRUD functionality for application features.

Fixed UI and functional issues and improved overall application performance.

Collaborated with designers and backend developers throughout the feature development
cycle.