Welcome to my GitHub profile! I'm Burak Karahan, a software developer in Turkey focused on direct Flutter framework contributions, mobile/desktop tooling, backend systems, and open-source work.

• Location: Turkey 🌍
• Focus: Direct flutter/flutter contributions, desktop tooling, Apple platform integrations, Go backend services, and secure update flows
• Interests: Software development, open source, machine learning, mobile and web development
• Languages: Dart, Swift, Go, Python, Java, JavaScript/TypeScript, C/C++
• Hobbies: Opera-ballet, music concerts, electric guitar, camping

• Frontend & Mobile: Flutter, SwiftUI/UIKit, React, Vue.js, Angular, HTML, CSS, JavaScript/TypeScript
• Backend: Go, Java Spring, Django, Flask, Node.js, Express, AWS AppSync/Amplify
• Databases: MySQL/MariaDB, PostgreSQL, MongoDB, DynamoDB, Oracle, MsSQL
• DevOps & Cloud: Docker, Kubernetes, OpenShift, GitHub Actions, AWS, Linux/GNU
• Tools: Git, GitHub, VS Code

• Email: burak.karahan@mail.ru
• LinkedIn: MarlonJD

• Flutter framework: My primary open-source focus is direct work in flutter/flutter, with 30+ authored PRs across the Material/Cupertino package split, widget/rendering test ownership, semantics testing, and Material behavior fixes. Flutter PRs
• Flutter/Dart ecosystem: Beyond the framework, I work across retrofit.dart, mobx.dart, flutter_zxing, packages.dart, and dart-cryptography, plus owned Flutter packages and tools.
• AWS Amplify: Feature proposals, issue reports, and repro projects around Amplify Flutter/Gen 2, AppSync, DynamoDB secondary indexes, OpenSearch Serverless, and backend runtimes. Amplify Flutter issues
• Other ecosystems: GraphQL release tooling, Swift native libraries, Django/Python package helpers, Vue components, Go services, and desktop updater tooling.

• LiveKit WebRTC Native Swift: An unofficial Swift-native LiveKit/WebRTC client for iOS and macOS, focused on Apple-native media primitives, RTP/SRTP, ICE/STUN, VideoToolbox, AudioToolbox, CI release gates, and explicit production-readiness tracking. Currently a developer preview under production hardening. GitHub Repository
• SwiftGraphQLClient: A SwiftPM GraphQL runtime and codegen stack with typed operations, normalized cache and SQLite persistence, uploads, subscriptions, AppSync realtime, incremental delivery, APQ/persisted operation manifests, and a SwiftPM codegen plugin. GitHub Repository
• GraphGate: A CLI-first GraphQL contract gate for schema and operation validation, deterministic persisted-operation manifests, schema diff checks, fixture-based contract tests, stable CI exit codes, reports, and a local browser UI. GitHub Repository
• Flutter Desktop Updater: A Flutter desktop updater plugin for Windows, macOS, and Linux with staged installs, release manifests, and GitHub, GitLab, local filesystem, and S3 support. GitHub Repository
• Security & Apple APIs: App Store Server Library Go, MLKEM Native Swift, MLKEM Native Android
• Flutter UI & Tooling: BabylonJS Viewer, Stories Editor, Flutter Provider Starter Template
• Native Updater Helpers: macOS Updater Swift, Windows Updater .NET
• Python/Django & Vue: parasut-python, django-bootstrap-pagination, django-googledrive-storage, vue3-heatmap, vue-simple-search-dropdown

Feel free to explore my repositories and reach out if you have any questions or collaboration ideas!

Thanks for visiting! 😊