Petro O.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 Nov 5, 2026.

Hello and welcome! I'm Petro, an iOS developer specializing in SwiftUI for iOS development, Google Cloud Services, and integrating diverse APIs and cloud services. My expertise combines front-end proficiency in SwiftUI with strong back-end skills in GCP Services like Firebase SDK, Cloud Functions, Cloud Run, etc. This integration of technologies empowers me to deliver exceptional front-end and back-end solutions. Primary Focus: - Mobile Development Technologies: iOS, SwiftUI, UIKit - Backend Development: Emphasis on Google Cloud Platform and Golang Current Specializations: - Frameworks: SwiftUI - Firebase Services: Firestore, Messaging, Functions, Authentication, Analytics, etc. - Google Cloud Services: Cloud Functions, Pub/Sub, Cloud Run, Compute Engine, etc. - Containerization: Utilizing Docker in GCP My deep passion for both Apple and Google Cloud technologies is reflected in my comprehensive work with SwiftUI and Firebase for iOS development, and the Google Cloud Platform for backend solutions. Utilizing Swift and Golang, I strive to create complete, fully-integrated mobile and backend applications. This dedication drives me to deliver high-quality, efficient solutions for both mobile and software applications. Primary Languages and Technologies: - Languages: Swift, Golang - Technologies: SwiftUI, Firebase, Google Cloud Platform (GCP) - Additional Skills: SwiftData, UIKit, Git, MVC, MVVM, JSON, CocoaPods, CoreData, CloudKit, AWS, Push Notifications, WebSockets, REST API, HTTP, Data Structures, OOP, ChatGPT Supportive Skills: - Programming: JavaScript, HTML/CSS - Technologies: Docker, MySQL, PostgreSQL, SQLite, WebSocket server/client, Go/Gorilla, Go/Gin I am open to discussions regarding any type of collaboration. Please feel free to contact me exclusively through UpWork. Looking forward to working with you! [Date Update: December 20, 2023] - As an actively engaged software developer, my involvement here is ongoing. If you don't see recent completed jobs, it simply means I'm busy with projects, possibly elsewhere. Rest assured, I am a committed and currently working software developer. Thanks for your interest! Looking forward to potential collaborations.