06/23/2026 updated
100 % available
Practical & Professional Engineer
Vyshhorod, Ukraine
Worldwide
Bachelor of Computer ScienceAbout me
I’m a Senior Full-Stack Developer and AI Automation Specialist with 8+ years of experience. I work directly with clients delivering clear communication, fast responses, and reliable results.
DjangoNode.jsSmart ContractsReact.jsOracle 10g/11gSolidityWeb3.js
Welcome to me !!!
As a Software Engineer and Full-Stack Developer with much 10 years of experiences, I bring extensive experience across various technologies and roles.
I enjoy solving complex technical problems, and prefer scalable and maintainable project structures that follow modern best practices, integrate third-party services, and provide clean codebases. I also value communication with my team members while working on multiple projects, and have extensive experience with version control via Git. Sometimes I have also been involved in building infrastructure such as deploying projects via pipelines.
Open to discussing how my skills can contribute to your project.
C#: 7 years, Best
Python: 2 years: Good
PHP: 4 years: Medium
Laravel: 3 years: Medium
NodeJs: 6 years: Good
NestJs: 2 years: Best
ReactJs: 5 years: Good
NextJs: 3 years: Best
VueJs: 3 years: Good
NuxtJs: 1 year: Good
Javascript: 7 years: Best
Typescript: 4 years: Best
CSS/SASS/SCSS: 9 years: Good
API Integration: 10 years: Much Experiences
Payment API: 6 years: Much Experiences
WhatsApp Api: 5 projects: Good Experiences
Twilio Api: 2 projects: Medium Experiences
AI Chatbot: 2 years, 7 projects: Good Experiences
N8N automation: 3 years: Good experiences
Make.com Experiences: 1 year: Good
DevOps: 4 years, Good Experiences
Experience
Professional experience10+ years
Freelancer since2014
Languages
EnglishGood
Project history
Architected Healthcare mobile app using React Native for iOS and Android serving 50K+ daily users achieving 4.8-star rating with 1M+ downloads and 99.9% crash-free rate. Built Insurance mobile application using Flutter with custom widgets and Riverpod state management handling 100K+ monthly users. Implemented native iOS features using Swift and SwiftUI including HealthKit integration and biometric authentication. Developed Android native modules using Kotlin with Jetpack Compose, Room, WorkManager, and Retrofit. Optimized app performance reducing app size from 150MB to 60MB (60% reduction). Implemented offline-first architecture using SQLite and Realm. Built real-time features using WebSockets and Firebase Realtime Database. Integrated payment processing using Stripe SDK, Apple Pay, and Google Pay handling $5M+ monthly transactions. Built CI/CD pipelines using Fastlane and GitHub Actions. Mentored team of 4 mobile engineers improving code quality by 40% and delivery velocity by 35%.
Built mobile application using React Native for iOS and Android platforms. Implemented UI components with responsive design and platform-specific styling. Integrated REST APIs for data fetching and user authentication. Implemented local storage using AsyncStorage for offline data persistence. Built navigation using React Navigation with stack and tab navigators. Deployed application to app stores with basic CI/CD setup. Participated in Agile/Scrum development process and code reviews.