Danylo

Danylo Kulyk

Date of birth: 08/12/1998 Nationality: Ukrainian Gender: Male Address: Ukraine (Home)

ABOUT ME

Full-Stack and Mobile Developer with 5 years of professional experience building modern, scalable, and high-
performance applications for web and mobile platforms. Strong expertise within the React ecosystem and a focus on
applying modern development approaches, clean architecture, and best practices throughout the development
process. Experienced in designing efficient solutions, writing maintainable code, and delivering fast and reliable
products.
Experienced in developing applications across frontend, mobile, and backend layers, implementing complex UI and
business logic, optimizing API communication with caching strategies, and integrating features such as authentication,
push notifications, analytics, payments, chat systems, and media feeds. Focused on building fast, reliable, and
maintainable products with a strong emphasis on performance and user experience.
Passionate about mobile development, particularly React Native, and continuously improving expertise in cross-
platform and native technologies. Currently expanding knowledge of SwiftUI to strengthen native iOS development
capabilities and better bridge React Native with platform-specific features.

SKILLS

CSS & HTML Javascript (React.js) React Redux React, React Native, React Hooks, React Router Expo NodeJs
(ExpressJs) Version Control (Git) Databases (MongoDB MySql PostgresSql) Git/Github, Docker, Gitlab
Frameworks: Tailwind CSS, TypeScript, React JS, Node JS understand spoken English Nest.js Alpine js
Figma Swagger Postman Sentry Xcode Adnroid Studio Tailwind

WORK EXPERIENCE

FULLSTACK DEVELOPER – CODE GENERATION SOFTWARE – 01/07/2021 – 01/03/2022 – KYIV, UKRAINE

• Developed and maintained web applications using React, HTML5, CSS3, and JavaScript (ES6+)
• Built cross-platform mobile applications using React Native for Android and iOS
• Implemented server-side functionality and RESTful APIs using Node.js and Express
• Integrated frontend and mobile applications with backend services and APIs
• Designed and managed application data flow and state management in React applications
• Debugged, tested, and optimized application performance across web and mobile platforms
• Collaborated with team members using Git and participated in code reviews

FULLSTACK DEVELOPER – WERZ – 01/03/2022 – 30/04/2024 – KYIV, UKRAINE

• Developed and maintained company products including Werz App, Werz Admin, and Tiny Tinke
• Implemented backend functionality using NestJS
• Designed and developed mobile application features using React Native
• Implemented complex UI components and animations to improve user experience
• Integrated push notifications, camera functionality, and app navigation systems
• Developed and maintained business logic for mobile application features
• Implemented real-time chat functionality and payment integrations
• Collaborated with backend services and APIs to ensure stable data flow between mobile and server
• Participated in debugging, testing, and improving application performance

REACT NATIVE DEVELOPER – OLIMP DIGITAL – 01/05/2024 – Current – ZHYTOMYR , UKRAINE

• Developed mobile applications using React Native, Expo, and GraphQL
• Designed application architecture
• Built complex UI components, navigation systems, animations, deep-linking
 • Implemented authentication, push notifications, and analytics integration
• Developed optimized video shorts feed and core business logic

EDUCATION AND TRAINING

10/01/2021 – 02/05/2021 Kyiv, Ukraine
FULLSTACK DEVELOPER COURSES GoIT

• Understanding of JavaScript fundamentals, asynchronous programming, and browser APIs
• Knowledge of web architecture, client-server interaction, and REST principles
• Basic knowledge of databases and backend logic with Node.js
• Knowledge of React principles including component-based architecture, props, state management, hooks, and
lifecycle concepts
• Understanding of web performance, security basics, and debugging techniques

Level in EQF EQF level 6

LANGUAGE SKILLS

Mother tongue(s): UKRAINIAN
Other language(s):

UNDERSTANDING SPEAKING WRITING

Listening Reading Spoken production Spoken interaction

ENGLISH B2 B2 B2 B2 B2

Levels: A1 and A2: Basic user; B1 and B2: Independent user; C1 and C2: Proficient user