Senior Mobile Engineer.
Flutter expertise.
iOS & Android delivery.

heymotiv.com (creator app) · collabswith.com (user app)

• Two Flutter apps for the same fitness platform, one for creators and one for their users, both on iOS and Android.
• Owns the architecture of both apps, built on Clean Architecture and Bloc in one monorepo of shared packages.
• Built the data layer over REST and Supabase, with real-time updates shared by both apps.
• Handles the hard platform parts, from IAP and subscriptions to push and deep linking.
• Owns CI/CD on GitHub Actions, where tests and review gate merges and flags gate features.
• Set up a test pyramid for the monorepo, with unit tests at the base, widget and golden tests for the UI, and a thin layer of integration tests on top.
• Traces jank, memory leaks and slow startup in Flutter DevTools and fixes them at the source, so the UI stays smooth under heavy work.
• Set up agentic development with Claude Code: project rules, custom skills, subagents and MCP servers, with ADRs, code review and tests gating every merge.
• Agrees scope and priorities with the product team, and API changes with the backend team.

Online+ is a decentralized social app with posts, chat and a crypto wallet.

• Developed Online+ for iOS and Android, an app with a large active user base, as part of its Flutter team.
• Built the Web3 features: tokenized communities and the crypto wallet.
• Cut unnecessary widget rebuilds in the heavy feed and list screens after digging into how the widget, element and render trees work.
• Network, media and crypto work runs on Streams and isolates, so the UI thread stays free.
• Implemented offline-first data access with Drift (SQLite) to reduce dependence on the network.
• Real-time data over WebSockets, and native SDKs wired in through platform channels.
• Sentry for crash monitoring, feature flags for risky changes, GitHub Actions for CI, and a regular release cadence to the App Store and Google Play.

• Embedded Flutter into the client's existing native iOS and Android apps (add-to-app).
• Built the Bluetooth Low Energy (BLE) connection between the app and the Barsys cocktail machine.
• Brought a feature-first architecture and Codemagic CI/CD to the project.
• Made the same Flutter codebase run on web and mobile with adaptive layouts.

Senior Mobile Developer (2017 – 2021), UI Team Leader (2022 – 2024)

• Led the UI team of 4–6 engineers from 2022: architecture and technical decisions, code review, mentoring, task assignment and sprint planning.
• Released five cross-platform apps on the App Store and Google Play (Eatwithava, Nutria, Gogo, Optijourney, Phenology), first in React Native and then in Flutter from 2021.
• Lead developer of Phenology, a women's health app with a BLE saliva-tracking device: device pairing, real-time data sync and firmware updates.
• Integrated REST APIs, live data over WebSockets, deep linking and Firebase (push notifications, analytics, remote config).
• Introduced unit and integration testing across the apps, improving release stability.
• Built the Centrum web app in React and an internal admin panel in AngularJS.

• Built internal admin and back-office tools for one of the largest e-commerce platforms in Turkey, from ASP.NET services to AngularJS front ends.
• Developed REST APIs with ASP.NET Web API and C#, working in a microservices setup with message queues between services.
• Database tables and queries lived on SQL Server, accessed through Entity Framework.

• Built internal tools for the pharma industry as N-tier .NET applications with C#, ASP.NET and WCF services.
• Developed a barcode scanner app for Windows handheld devices, integrated with barcode and RFID scanners and label printers.