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Hi, I’m Vadym Donets, a Flutter Developer and Mobile App Architect based in Antwerp, Belgium. Over the past 5+ years I’ve taken Flutter projects from zero to App Store release, often as a sole mobile engineer, delivering robust apps with scalable architecture. I own the full mobile stack: architecture, testing, CI/CD, monetization, and releases. I’ve shipped multiple apps across fintech, edtech, logistics, and mental health; I’ve integrated 5 OAuth providers, implemented RevenueCat for in-app purchases, and ensured reliable push delivery on devices with tricky optimization like MIUI. I also built multilingual experiences and deep linking (ARB/i18n and Branch.io) and reduced release times from hours to minutes through streamlined CI/CD processes.…Hi, I’m Vadym Donets, a Flutter Developer and Mobile App Architect based in Antwerp, Belgium. Over the past 5+ years I’ve taken Flutter projects from zero to App Store release, often as a sole mobile engineer, delivering robust apps with scalable architecture. I own the full mobile stack: architecture, testing, CI/CD, monetization, and releases. I’ve shipped multiple apps across fintech, edtech, logistics, and mental health; I’ve integrated 5 OAuth providers, implemented RevenueCat for in-app purchases, and ensured reliable push delivery on devices with tricky optimization like MIUI. I also built multilingual experiences and deep linking (ARB/i18n and Branch.io) and reduced release times from hours to minutes through streamlined CI/CD processes.

Vadym Donets

App Developer, Developer, Programmer, +3

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Hi, I’m Vadym Donets, a Flutter Developer and Mobile App Architect based in Antwerp, Belgium. Over the past 5+ years I’ve taken Flutter projects from zero to App Store release, often as a sole mobile engineer, delivering robust apps with scalable architecture. I own the full mobile stack: architecture, testing, CI/CD, monetization, and releases. I’ve shipped multiple apps across fintech, edtech, logistics, and mental health; I’ve integrated 5 OAuth providers, implemented RevenueCat for in-app purchases, and ensured reliable push delivery on devices with tricky optimization like MIUI. I also built multilingual experiences and deep linking (ARB/i18n and Branch.io) and reduced release times from hours to minutes through streamlined CI/CD processes.…Hi, I’m Vadym Donets, a Flutter Developer and Mobile App Architect based in Antwerp, Belgium. Over the past 5+ years I’ve taken Flutter projects from zero to App Store release, often as a sole mobile engineer, delivering robust apps with scalable architecture. I own the full mobile stack: architecture, testing, CI/CD, monetization, and releases. I’ve shipped multiple apps across fintech, edtech, logistics, and mental health; I’ve integrated 5 OAuth providers, implemented RevenueCat for in-app purchases, and ensured reliable push delivery on devices with tricky optimization like MIUI. I also built multilingual experiences and deep linking (ARB/i18n and Branch.io) and reduced release times from hours to minutes through streamlined CI/CD processes.

Available to hire

Hi, I’m Vadym Donets, a Flutter Developer and Mobile App Architect based in Antwerp, Belgium. Over the past 5+ years I’ve taken Flutter projects from zero to App Store release, often as a sole mobile engineer, delivering robust apps with scalable architecture.

I own the full mobile stack: architecture, testing, CI/CD, monetization, and releases. I’ve shipped multiple apps across fintech, edtech, logistics, and mental health; I’ve integrated 5 OAuth providers, implemented RevenueCat for in-app purchases, and ensured reliable push delivery on devices with tricky optimization like MIUI. I also built multilingual experiences and deep linking (ARB/i18n and Branch.io) and reduced release times from hours to minutes through streamlined CI/CD processes.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Beginner

Beginner

Beginner

Language

Ukrainian

Fluent

English

Advanced

Dutch

Beginner

Work Experience

Flutter Developer at Unteleported

March 1, 2025 - September 2, 2025

Developed multiple mobile and web applications across fintech, education, AI automation, and logistics domains. Collaborated with cross-functional teams to meet tight deadlines, integrating Firebase, REST APIs, payment systems, and real-time chat functionalities. Key projects included FunID (casino wallet app), Gomanda (educational app for autistic children), Metatable (AI automation), HedwigTech (freight management), and Scarb (mental health app).

Freelance Flutter Developer at Scarb

April 1, 2025 - Present

Created a mental health research app featuring interactive practices, real-time chat, secure authentication, and analytics integration.

Freelance Flutter Developer at Richadvert

March 1, 2021 - September 2, 2025

Built an educational mobile app for arbitration lessons including video content and quizzes, implementing a Firebase-based content management system.

Freelance Flutter Developer at RegToEvent

September 1, 2021 - September 2, 2025

Developed staff and participant event apps with QR ticket scanning, in-app chat, and networking features.

Flutter Developer at Unteleported

March 1, 2025 - September 2, 2025

Developed multiple mobile and web applications in fintech, education, AI automation, and logistics domains. Collaborated with cross-functional teams to deliver production-ready apps within tight deadlines. Integrated Firebase, REST APIs, payment systems, and real-time chat functionalities. Worked on projects including FunID (casino wallet app), Gomanda (educational app for children with autism), Metatable (AI automation tool), HedwigTech (freight transportation management), and Scarb (mental state research app).

Freelance Flutter Developer at Scarb

April 1, 2025 - Present

Created a mental health research app with interactive practices. Integrated real-time chat, secure authentication, and analytics.

Freelance Flutter Developer at Richadvert

March 1, 2021 - September 2, 2025

Built educational mobile app for arbitration lessons featuring video content and quizzes. Implemented a Firebase-based content management system.

Freelance Flutter Developer at RegToEvent

September 1, 2021 - September 2, 2025

Developed staff and participant event apps with QR ticket scanning, in-app chat, and networking features.

Flutter Developer — Sole Mobile Engineer at Scarb

January 1, 2023 - Present

Zero to production in 4 months — full mobile lifecycle: Clean Architecture + BLoC, UI, Firebase, App Store + Google Play. Implemented five OAuth providers (Google, Apple, Microsoft, Facebook, Twitter) plus Firebase App Check to ensure stable auth with zero crashes since launch. Built monetization using RevenueCat with subscriptions, trials, and restoration, completing the whole stack solo in two weeks. Resolved MIUI/Firebase Cloud Messaging delivery issues with exponential backoff, restoring 100% push reliability. Reduced release cycle from hours to ~20 minutes using GitHub Actions and Codemagic multi-flavor builds (dev/staging/prod). Implemented and validated full i18n/l10n (ARB) across three languages and Branch.io deep linking, ensuring robust routing. Maintained backlog-free shipping with zero auth crashes and stable RevenueCat integration.

Flutter Developer at Unteleported

January 1, 2020 - January 1, 2023

Led Flutter development across fintech, edtech, logistics, and AI with 6 production apps and 100k+ total installs. Owned end-to-end delivery from architecture to release for 4 products. Migrated codebase to Clean Architecture + BLoC; onboarding reduced from 2 weeks to 3 days and post-release regressions down by ~60%. Delivered Gomanda offline-first edtech with Hive, 3 languages, and 0 crashes in first 6 months. Implemented golden tests to eliminate visual regressions in App Store review (FunID). Built WebSocket-based real-time logistics tracking with reconnect buffering, ensuring zero data loss on unstable 3G networks.

Game / Real-time Systems Developer at Unity3D / C#

January 1, 2018 - January 1, 2020

Realtime physics, state machines, and frame-perfect animation — foundational work for Flutter animation architecture and stream-based state design.