Andrew G.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Jul 18, 2026.

👋🏼 Greetings! I am a Senior Mobile & Web Developer with over 10 years of successful work experience. Over the past few years, I've architected and developed from the scratch dozens of cross-platform mobile apps for EV Charging, Food Ordering, Betting, and FinTech industries. As a Solution Architect, I'll gladly help you determine system architecture requirements so your app was scalable & user-friendly from the beginning, and helped you achieve your business goals. Most of all, I’m delivering Android apps using Flutter, but I also have hands-on experience with big-scale projects on React. I'm highly adaptable and diverse thanks to my various background with largescale enterprises and young startups, across North America, South America, Europe, Australia, and South Africa. TECH STACK 🖥️ PROGRAMMING LANGUAGES: Dart, Java, Kotlin, JavaScript ES6+, HTML5/CSS3 ⚙️ FRAMEWORKS: Flutter, React.js, Next.js, Meteor.js 📈 RELATIONAL DATABASES: SQLite, MySQL 💽 NoSQL DATABASES: Sembast NoSQL database, Cloud Firestore ✅ STATE MANAGEMENT: Provider, Redux, MobX, BLoC 🛠️ TESTING: JUnit, Jest, Sinon, Enzyme, Mocha, Chai, integration tests, widget tests 📊 BUILD AUTOMATION: Maven, Gradle 📑 APIs: Google Maps API, YouTube API, Google Translate API ⚡ OTHER: Bitrise CI/CD , Codemagic CI/CD, Flow, WebSockets, Firebase Services, GraphQL, Rive Animations, Material Design Over the past 7 years, I’ve developed 10+ Android applications and contributed to 4 large React.js projects. PORTFOLIO — CROSS-PLATFORM APPS ✅Electric vehicle charging station management mobile app developed for clients access. ✅The application aims to bring offers, promotions, and loyalty programs on the same interface, in a direct way, quickly and simply. ✅Cross-platform mobile application for deliverymen to keep track of the food delivery orders, choose the nearest orders on the map, manage the routes and change the order statuses. ✅Flutter app that allows a user to take/upload pictures of invoices and recognize the key information on them. ✅Cross-platform (Android, iOS) mobile application for football fans with a Social Network functionality. ✅ Mobile-first application for Sports Betting with the three-layer events catalog PORTFOLIO — ANDROID APPS ✅ Portable Android POS terminal for betting shops, built on the compact hardware (printer, barcode scanner, monitor and computer in one unit). Instant app upgrade, multilanguage support. ✅ SMS Multi Banking Android app for integration with the TOP commercial Ukrainian banks. ✅ RhymeX — an Android app that helps find a rhyme for any English word. 10k+ installs on Google Play Market. PORTFOLIO — WEB APPS (REACT) ✅ A cryptocurrency wallet for sending and receiving funds in any cryptocurrency and exchanging between different cryptocurrencies. Tech stack: JavaScript, ES6, ReactJS, Redux, MeteorJS, HTML5, CSS3. ✅ Mobile version of the Sports Betting website for one of the leading betting providers in South Africa. LANGUAGES I SPEAK Ukrainian is my native language. Besides, I have strong English skills. Most of my previous customers were English-speaking, so I am comfortable communicating in English. MY TEAM I am at ease as an individual contributor, but being a team player works best for me. So I joined Extrawest — an Upwork Top Rated Agency specializing in Healthcare and Medical Insurance, FinTech and Banking, Gambling and Betting, Food Ordering and Delivery, Logistics and Fleet Management, and special software for Electric Vehicles Charging Station networks since 2006. Having most of our resources based in Europe, we’ve been working with customers from over 20 countries (the US, Canada, Australia, most of the EU, South Africa, Singapore, Japan). Hence, it won’t be a problem for us to adjust to your timezone and working schedule. INVITE ME FOR AN INTERVIEW If you feel I’m a perfect match for your project, let’s set up a call and discuss how you can benefit from my expertise! 🟩 🟩 🟩 🟩 My Agency Skills: Front-End (Frontend) Development, Back-End (Backend) Development, Full-Stack (Fullstack) Development, Mobile Development, EV Charging, Automotive, Logistics, Delivery, Food Ordering, FinTech, Banking, Healthcare, Insurance, Betting, Gambling, Data Scraping, Flutter, Dart, JavaScript (JS), TypeScript (TS), Angular, Vue.js (VueJS, Vue), React.js (ReactJS, React), Node.js (NodeJS, Node), Java, Spring, SpringBoot, Hibernate, Python, Django, Scrapy, Quality Assurance (QA), Manual Testing, Automated Testing, Selenium, UI/UX Design, User Interface (UI), User Experience (UX), Figma, Adobe Creative Cloud, DevOps, MySQL, PostgreSQL, MongoDB, Firebase, Docker, Amazon Web Services (AWS), Google Cloud Platform (GCP), Project Management (PM).