PROFESSIONAL SUMMARY
Senior Full Stack Developer capable of effectively self-managing
during independent projects, as well as collaborating as part of
a productive team
EXPERIENCE
SENIOR FULL STACK DEVELOPER
Freelance
Yaroslav Antoniuk
Senior Full Stack Developer
February 2024 – May 2025
Developed and maintained several small to mid-sized web and
mobile applications
Designed and implemented systems from scratch, including
CONTACTS-Ukraine
Website
LinkedIn
Github
backend architecture and frontend interfaces
Contributed to a modular payment processing system
integrating Stripe and PayPal
Built intelligent features using OpenAI APIs and the
LangChain library
Developed a cross-platform mobile app using React Native
and Expo
Integrated Google Wallet support and implemented a realtime notification system, enhancing user engagement and
payment functionality
FULL-STACK SOFTWARE ENGINEER
Binary Studio
SKILLS
React
JavaScript
TypeScript
Redux
MaterialUI
Node.js
MongoDB
Git
Express
React Native
HTML
April 2021 – November 2023
Was involved as a Full-Stack Developer at Binary Studio, where
I played a key role in creating a dynamic and efficient system
Was a mentor for junior developers. I helped them not only
write quality code but also to grow overall
Came up with new ideas, explored new technologies, and
recommended updates to keep our development stack
cutting edge
Increase performance, maintainability, and scalability
Technologies: Typescript, JavaScript, React, Redux, ReduxSaga, MaterialUI, Node.js, Passport, Stripe, Nodemailer,
MongoDB
CSS
Stripe
ACADEMY STUDENT
Binary Studio
LANGUAGE
January 2021 – March 2021
Worked as a Full-Stack developer on the ‘Healthcare’ project
English
Ukrainian
FULL-STACK DEVELOPER
Freelance
September 2020 – April 2021
Used Google APIs such as Sheets, Drive, and GCP
Used Mailchimp for sending confirmation messages to the
user
Worked with payment platforms such as Stripe & Fondy
Was engaged as a full-stack developer to create a website for
music courses
EDUCATION
BACHELOR'S DEGREE, COMPUTER SOFTWARE
ENGINEERING
Taras Shevchenko National University of Kyiv
2017 - 2021
CERTIFICATIONS
M220JS: MongoDB for JS Developers, 09/22 - 10/22
Docker, 04/23 - 05/23
Graph Developer - Associate, 09/22 - 10/22
Vanilla JS: You Might Not Need a Framework - 04/24
Build an AI-Powered Fullstack Next.js App, v3 - 01/24
Introduction to Next.js, v3 - 01/24
