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Flutter developer with 5+ years shipping mobile applications across fintech, healthcare, and social domains. Experienced in end-to-end delivery from architecture (BLoC, Riverpod) and offline-first storage (Hive, SQLite) to analytics, crash reporting, and automated App Store / Google Play release pipelines. Strong background in Dart/Flutter, REST/WebSockets, and Firebase integration, with CI/CD automation via GitLab/GitHub Actions/Azure DevOps. Built products including a secure crypto wallet, real-time food delivery ordering, and a sports-focused social platform—also supporting in-app payments, remote config, and customer support integrations (e.g., Zendesk).…Flutter developer with 5+ years shipping mobile applications across fintech, healthcare, and social domains. Experienced in end-to-end delivery from architecture (BLoC, Riverpod) and offline-first storage (Hive, SQLite) to analytics, crash reporting, and automated App Store / Google Play release pipelines. Strong background in Dart/Flutter, REST/WebSockets, and Firebase integration, with CI/CD automation via GitLab/GitHub Actions/Azure DevOps. Built products including a secure crypto wallet, real-time food delivery ordering, and a sports-focused social platform—also supporting in-app payments, remote config, and customer support integrations (e.g., Zendesk).

Anton Retiunskykh

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Flutter developer with 5+ years shipping mobile applications across fintech, healthcare, and social domains. Experienced in end-to-end delivery from architecture (BLoC, Riverpod) and offline-first storage (Hive, SQLite) to analytics, crash reporting, and automated App Store / Google Play release pipelines. Strong background in Dart/Flutter, REST/WebSockets, and Firebase integration, with CI/CD automation via GitLab/GitHub Actions/Azure DevOps. Built products including a secure crypto wallet, real-time food delivery ordering, and a sports-focused social platform—also supporting in-app payments, remote config, and customer support integrations (e.g., Zendesk).…Flutter developer with 5+ years shipping mobile applications across fintech, healthcare, and social domains. Experienced in end-to-end delivery from architecture (BLoC, Riverpod) and offline-first storage (Hive, SQLite) to analytics, crash reporting, and automated App Store / Google Play release pipelines. Strong background in Dart/Flutter, REST/WebSockets, and Firebase integration, with CI/CD automation via GitLab/GitHub Actions/Azure DevOps. Built products including a secure crypto wallet, real-time food delivery ordering, and a sports-focused social platform—also supporting in-app payments, remote config, and customer support integrations (e.g., Zendesk).

Available to hire

Flutter developer with 5+ years shipping mobile applications across fintech, healthcare, and social domains. Experienced in end-to-end delivery from architecture (BLoC, Riverpod) and offline-first storage (Hive, SQLite) to analytics, crash reporting, and automated App Store / Google Play release pipelines.

Strong background in Dart/Flutter, REST/WebSockets, and Firebase integration, with CI/CD automation via GitLab/GitHub Actions/Azure DevOps. Built products including a secure crypto wallet, real-time food delivery ordering, and a sports-focused social platform—also supporting in-app payments, remote config, and customer support integrations (e.g., Zendesk).

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Advanced

Ukrainian

Fluent

Work Experience

Flutter Developer at Buzzr (App Store / Google Play) - Sports-focused social platform (Dec 2025 - present)

December 1, 2025 - Present

Develop core social features: feeds, chat, and audio/video players; implemented activity streams using GetStream SDK and Riverpod. Set up subscription and content access flows with RevenueCat. Maintained CI/CD release pipelines for App Store and Google Play using GitHub Actions (workflows for automated publishing).

Flutter Developer at Panther (App Store / Google Play) - Mobile crypto wallet for secure storage and digital asset transfers (Jul 2024 - Dec 2025)

July 1, 2024 - December 1, 2025

Built a mobile crypto wallet for secure storage and transfers of digital assets (built for the Ecuadorian market). Implemented wallet, card, and transaction features using BLoC. Added real-time balance and exchange-rate updates via WebSockets. Integrated card payments with Apple Pay and Zendesk SDK for in-app customer support. Supported automated release pipelines for both stores using GitHub Actions and managed publishing workflows.

Engineering (Flutter Developer) at Capgemini Engineering (Feb 2022 - Jul 2024)

February 1, 2022 - July 1, 2024

Developed training/workout tracking features with personalized programs and performance analytics. Implemented workout tracking and analytics using Riverpod and Firebase (Analytics, Remote Config). Built automated CI/CD delivery pipelines for Apple App Store and Google Play using Azure DevOps / Azure Lazy Ants, including configuration for publishing.

Flutter Developer at Arc hysoft (Jan 2021 - Feb 2022)

January 1, 2021 - February 1, 2022

Delivered Flutter apps for client projects in Healthcare and Game Development domains. Worked with BLoC/Riverpod architecture patterns and Firebase for analytics, remote config, and crashlytics. Implemented end-to-end mobile features including data integration and delivery practices suitable for production apps.