Upwork home
Sign up
Secondary
Stepan K. Status: Offline
Krakow, Poland
95% Job Success
Top Rated

Expert Mobile AI Apps Developer | React-Native, Node.js, AI

🏆 Senior Full-Stack developer. Worked with IMAX. 🌟 Only 5-star verified reviews. Hello, I'm Stepan, a Senior Full-Stack developer. With over 6 years of experience in the web and mobile development industry, I have personally led 30+ successful projects, delivering exceptional results for my clients. What clients say about me: 🌟 "Stepan was great. He worked on the form in a timely manner, and was very patient when I couldn't get back to him quickly. The communication was great, his work is excellent, and I will most definitely work with him in the future again." 🌟 "Wonderful person. focused and dedicated to tasks." 🌟 "Stepan is very responsible developer. Not only he did the job before the deadline, he also did even more work to simplify the upcoming app integrations, thank you. Highly recommended!" So far I’ve: - Worked with clients in a wide diversity of domains: healthcare, catering delivery, travel agency services, education, sales and marketing, vehicles, metals & mining. - Collaborated with customers 🌏 worldwide: Europe, (United Kingdom, Germany, Belgium, Croatia, Slovakia, Estonia, France, Norway), USA, Australia. - Worked with inspired 🚀startups & enterprise companies My services: - Develop Website - Build Mobile Application - MVP development - Build Marketplace - Develop Chrome extension - Hybrid Development - Build Prototype Here are my core skills: 🎯 Frontend: - React - TypeScript / JavaScript - Next.js / Gatsby.js / SPA - Web3.js - REST / GraphQL - Cypress.io Backend: - Express.js / Nest.js - AWS Serverless - MongoDB / DynamoDB - MySQL, PostgreSQL - Firebase Mobile development: - React Native - Flutter - Firebase Infrastructure: - AWS - GCP - Terraform - Docker - CI/CD Web3: - Truffle - Web3.js - Solidity VR/AR: -Unity Reach out to me today, and let's establish a long-lasting and fruitful collaboration. 🤝 Don't hesitate to get in touch right away! ✉️ Keywords to find me: Mobile App Development, Android, Android App Development, Dart, Expo.io, Firebase, Firetime Realtime Database, Flutter, FlutterFlow, Hybrid App Development, In-app Purchases, iOS, iOS Development, Java, Kotlin, Native App Development, Push Notifications, React Native, Swift, User Authentication, UX Design, Node.js.
Work history
Stepan K. has more jobs. Create an account to review them
Skills

Skills

  • JavaScript
  • React
  • Next.js
  • Node.js
  • TypeScript
  • React Native
  • Mobile App
  • CSS
  • HTML
  • Web Development
  • HTML5
  • Web Application
  • Redux
  • API
  • Tailwind CSS

Browse similar freelancers

Browse and buy related projects

Web Programming & Development Services Online