● Open to Work

Raushandubey

Android & iOS Developer (Flutter)
India

About Me

Android & iOS Developer specialising in cross-platform Flutter application development with production experience shipping apps across iOS, Android, Web, Linux, and Windows from a single Dart codebase. Built and deployed a 4-app hyperlocal marketplace ecosystem (Customer · Merchant · Delivery Partner · Super Admin Dashboard) with real-time Firestore synchronisation at <150ms latency, a cross-platform messaging application with Firebase Cloud Messaging (FCM) push notifications delivering to Android (APNs equivalent), iOS (APNs), and Web simultaneously, and a role-based internship platform with AI-powered resume optimisation. Proficient in Flutter 3.x, Dart 3.9, Riverpod 2 state management, GoRouter 14, Dio 5, firebase_secure_storage, flutter_local_notifications, CustomPainters, and Firebase (Firestore · Auth · Cloud Functions · FCM · Hosting). Experienced in REST API integration, JWT authentication, and CI/CD deployment via Docker and GitHub Actions. CGPA: 7.8/10. Available immediately.

Skills & Technologies

Flutter 3.xDart 3.9Riverpod 2GoRouter 14Dio 5firebase_secure_storageflutter_local_notificationsCustomPaintersFirebase FirestoreFirebase AuthFirebase Cloud FunctionsFCMAPNsFirebase HostingREST API IntegrationJWT AuthenticationNode.jsLaravelPHP 8.2MySQLRedisJWT-based stateless authenticationRBAC middlewareAndroid DevelopmentiOS DevelopmentFlutter WebFlutter DesktopMaterial Design 3Cupertino WidgetsStateNotifierProvidersetStateAsyncNotifierStreamProviderFutureProviderConsumer WidgetsDeep LinkingNamed RoutesRedirect GuardsTransaction Batch WritesBezier CurvesAnimationsResponsive LayoutsCustom WidgetsAndroid StudioXcodeCocoaPodsGradleFlutter DevToolsPostmanGitGitHubFirebase ConsoleFlutter Build APKApp BundleiOS ArchiveDockerGitHub Actions CI/CDTestFlightFigmaClaude CodeCursorOpenAI CodexWindsurfAiderGitHub CopilotChatGPTAgentic AI WorkflowsKiroAntigravityLocal LLM

Work Experience

Backend Engineer Intern (Mobile API)

Trapigo
Jun 2025Sep 2025

Designed and shipped over 15 production REST API endpoints consumed by Flutter clients, achieving 30% reduction in API response latency via eager loading and N+1 query elimination, improving app responsiveness. Implemented JWT-based stateless authentication and RBAC middleware powering secure token flow integrated with flutter_secure_storage token persistence and role-based screen routing patterns. Designed MySQL schemas and Redis caching strategies to support low-latency mobile API responses with minimal payload JSON to improve cold-start data load times.

Frontend Engineer Intern

Ceeras
Feb 2025Jun 2025

Built responsive, component-driven UIs across more than 6 feature modules, applying UI architecture skills transferable to Flutter widget composition and mobile-first responsive layouts. Integrated REST API services with client-side state management, applying lazy loading and code splitting strategies to improve Lighthouse scores, analogous to Flutter lazy list rendering and image caching.

Software Development Intern

BlueStock Fintech
Feb 2025Mar 2025

Contributed to UI/UX prototyping in Figma for fintech mobile interfaces and conducted A/B tests across 3 user conversion flows, supporting mobile UX iteration, user journey optimization, and app store conversion rate improvements.

Projects

LocalKart — Multi-Tenant Hyperlocal Marketplace (4 Flutter Apps)

Engineered 4 independent Flutter applications (Customer · Merchant/Store · Delivery Partner · Super Admin Dashboard) sharing a single Firestore backend, achieving real-time cross-app state synchronization at under 150ms latency across all roles simultaneously. Built custom phone + password Firebase Auth eliminating SMS OTP costs and third-party SDKs, improving build size and startup time. Architected a 3-stage delivery partner KYC onboarding using Firestore batch writes and a Riverpod 2 StreamProvider state machine ensuring zero data corruption. Developed real-time order invitation modal with live countdown and custom Bezier-path delivery route visualization delivering high-fidelity UI on iOS and Android.

Flutter 3.xDartRiverpod 2GoRouter 14+6

Pulse — Cross-Platform Messaging App (iOS · Android · Web · Linux · Windows)

Shipped a real-time messaging app across 5 platforms from a single Flutter codebase with sub-100ms message delivery using Firestore real-time streams and secure multi-device sign-in via Firebase Auth. Authored Node.js Firebase Cloud Function to resolve recipient FCM tokens for platform-optimized push notifications with deep-link payloads. Implemented three-state notification system handling foreground, background, and terminated states with native UI overlays. Shipped MockNotificationService as offline fallback for full demo without live Firebase project.

Flutter 3.xDartFirebase FirestoreFirebase Auth+4

Student Internship Hub — Cross-Platform Mobile App (iOS & Android)

Built a full Flutter mobile app consuming a Laravel REST API backend with JWT authentication, using Dio 5 HTTP client with token interceptors and 401 auto-logout and flutter_secure_storage for token persistence. Implemented role-based routing using GoRouter 14 with auth redirect guards for student and recruiter roles, delivering adaptive navigation UI. Integrated AI-powered resume optimizer using OpenAI / Anthropic / OpenRouter APIs with Flutter UI rendering actionable career-fit scores in under 2 seconds per request with error handling and retry logic.

Flutter 3.xDart 3.9Riverpod 2GoRouter 14+4

Education

B.Tech

Computer Science Engineering

Gopal Narayan Singh University, Bihar, India2022 - 2026
Raushandubey - Android & iOS Developer (Flutter) | HiringAnt