Denys B. React Native Developer
Summary
- Experienced in React Native: Developed and delivered multiple React Native mobile applications, including a KenZen App and a Furniture Design Time-Tracking App, integrating Firebase, Redux, animations, and state management. Over 4.5 years of experience with React Native
- Full-Stack Development in Fintech: Led fintech real estate app development, handling both front-end (ReactJS, Styled-Components) and back-end (NodeJS, MongoDB) while managing CI/CD pipelines and real-time updates.
- Senior Developer in Web & Mobile Apps: Designed and implemented scalable mobile and web applications, ensuring high code quality, debugging, and managing releases on App Store and Play Market.
- Developed e-commerce web solutions using Vue and Vuex, collaborating with back-end and QA teams,
- Experienced in Docker, GitHub Actions, and Linux server management, optimizing deployment pipelines and application performance.
- Intermediate English
Work Experience
Senior Software Engineer, Fintech Real Estate Application
Duration: October 2021 - February 2025
Summary: Senior Software Engineer developing a fintech application for real estate joint ownership and renting.
Responsibilities: Developed application architecture, selected technology stack, implemented real-time updates, managed task board, developed front-end and back-end for main app and dashboard, created a Telegram bot, handled various administrative tasks (Google Services, hosting, domains, Linux Server, etc.), and established CI/CD pipeline with GitHub and Docker.
Technologies: Typescript, ReactJs, NodeJs, Styled-Components, Atlas MongoDB, Socket.IO, SMTP, Storage, bcrypt, GitHub, Docker
Senior Software Developer, Various Mobile and Web Applications
Duration: January 2019 - January 2022
Summary: Senior Software Developer working on robust and scalable mobile and web applications and microservices.
Responsibilities: Developed and delivered mobile applications using React Native, web applications using React, and microservices using NodeJs. Managed code quality through testing, debugging, code reviews, and team management.
Technologies: React Native, React, NodeJs, App Store, PlayMarket
Middle React Native Developer, KenZen Mobile Application
Duration: July 2019 - December 2019
Summary: Middle React Native Developer on KenZen mobile app development.
Responsibilities: Developed mobile application from scratch, implemented complex routing and iOS-like animations, and managed Firebase database and video streaming services.
Technologies: React Native, Firebase, Redux, Google Services
Middle Software Developer, The Kooples Online Store Department
Duration: April 2019 - July 2019
Summary: Middle Software Developer for the online store department domain of The Kooples distributor.
Responsibilities: Developed using Vue library, managed state with Vuex, led a Junior Developer, and collaborated with back-end and QA teams.
Technologies: Vue, Vuex
Middle React Native Developer, Furniture Design Time-Tracking App
Duration: August 2018 - April 2019
Summary: Middle React Native Developer creating an application for measuring time on furniture design tasks.
Responsibilities: Created an application using Expo library for hybrid platforms, managed Redux state, developed with Firebase, tested and deployed to app stores.
Technologies: React Native, Expo, Redux, Redux-Thunk, Firebase, App Store, Google Play Market
Education
Master's Degree in International Economics
Studied at Kyiv National Economics University
September 2006 - June 2011