Muhammad Mansoor Satti
Muhammad Mansoor Satti

Muhammad Mansoor Satti

Frontend • Middle • 26 years • Rawalpindi, Pakistan • UTC+05:00 • In office, Partially remote, Fully remote • Work permits: Pakistan • Citizenship: Pakistan • English: B2 • Available in 2 weeks • from $30k per year
Flutter Developer
Dart
JavaScript
Responsive & Cross-browser: 6/10
Accessibility & Semantics: 6/10
UX & Visual Polish: 6/10
Active 3 days ago
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Overview
Technical skills
Timeline
Roles

Overview

Cross-platform Flutter engineer (middle level) focusing on clean architecture and offline-capable mobile features. The strongest proven skill is offline-first app design with persistent caching and connectivity-aware flows demonstrated by the Hive-backed data sources, connectivity service and unit tests (Satti201/repo-scout features and tests). There is limited public evidence of advanced platform lifecycle recovery, measured performance tuning, release automation or complete permission denial flows.
Phone

Technical skills

Languages
2
Dart
JavaScript
Dart
5
Dio
Riverpod
GetX
Go_router
Json_serializable
Mobile
3
Flutter
Firebase
Crashlytics
DevOps
3
Rest API
GitHub
Git
Other
14
Firestore
Socket.IO
Vertex AI
Postman
Freezed
RevenueCat
Google Play Billing
Frontend
Clean Architecture
State Management
WebSockets
Repository Pattern
Offline-First
Material Design

Timeline

Flutter Developer • Middle
Nexar Solutions • Full-Time
Jun 2024 to Present 2 Years 4 Months Islamabad In office
Builds and ships production Flutter mobile and web apps across sports, edtech, AI content, marketplaces, and social products. Works independently on Firebase-backed features including authentication, Firestore, storage, notifications, testing, and release preparation. For API-driven apps, collaborates on API contracts and owns Flutter-side integration such as authentication flows, error handling, and file upload workflows.
Firebase
Firestore
Rest API
Flutter Intern • Junior
Alestra Solutions • Full-Time
Mar 2023 to Jun 2024 1 Year 3 Months Islamabad In office
Delivered client-facing Flutter mobile features and Flutter Web admin dashboards during an internship phase. Implemented requirements into app functionality, including backend communication, authentication, and responsive web interfaces. Coordinated with backend and product teams to integrate APIs and address production issues while preparing releases.
Rest API
PMAS-Arid Agriculture University
Bachelor's Degree • Computer Science
2018–2022 Rawalpindi, Pakistan
Middle Frontend Developer Confidence: High UI Engineer
Frontend UI engineer (middle) focusing on polished, responsive static sites and app-related legal/micro-copy pages with strong visual design and accessibility practices. The strongest proven skill is accessible, responsive static front-end implementation as demonstrated by the portfolio landing (satti201.github.io/index.html) paired with a focused CSS token system (css/style.css) and lightweight, performant UI scripting (js/main.js). There is little to no evidence of complex application state management, automated testing, or build/bundling strategies in the human-authored web files.
UI Component Architecture
2/10
How interface parts are built
Minimal component architecture; static HTML/CSS with sensible class structure and CSS variables but no component system or modular JS architecture.
Evidence
satti201.github.io/index.html: repeated section/article patterns and utility classes (project-card, expertise-card) showing layout choices
satti201.github.io/css/style.css: CSS variables and global styles (root variables) used as a light design token layer
Responsive & Cross-browser
6/10
Works on all screens and browsers
Thoughtful responsive design using grid/flex, clamp() for fluid typography, and breakpoints with mobile-first adjustments.
Evidence
satti201.github.io/css/style.css: media queries for 980px and 760px, clamp() usage in h1/h2 and responsive grid adjustments
splitease-legal/index.html: single-file responsive layout and fluid card stack for smaller viewports
Performance Optimization
5/10
Speed of the interface
Practical performance touches (font preconnect, deferred script placement, IntersectionObserver animations) but no measured optimization artifacts or bundle strategy.
Evidence
satti201.github.io/index.html: <link rel="preconnect" href="https://fonts.googleapis.com"> and script loaded at document end
satti201.github.io/js/main.js: IntersectionObserver used to lazy-reveal elements and unobserve after intersecting
Accessibility & Semantics
6/10
Usable for everyone
Concrete accessibility awareness: skip link, semantic landmarks, aria attributes and keyboard-friendly nav toggling; overall solid semantic markup for static content.
Evidence
satti201.github.io/index.html: <a class="skip-link" href="#main">Skip to content</a> and nav marked with aria-label
satti201.github.io/index.html + js/main.js: menu button uses aria-expanded and JS updates it when toggling nav
State Management & Data Flow
1/10
Managing data in the app
Minimal state management and data flow; only lightweight UI state (menu open/close) and reveal observer, no async state discipline, caching, or complex flows present in these human-authored files.
Evidence
satti201.github.io/js/main.js: simple event listeners for menu toggle and link clicks; no request cancellation or optimistic updates
UX & Visual Polish
6/10
Look and feel quality
High visual polish for static marketing and legal microsites with considered typography, spacing, transitions, and prefers-reduced-motion support.
Evidence
satti201.github.io/css/style.css: well-tuned layout, visual tokens, reveal transitions and prefers-reduced-motion handling
otakushelf-legal/privacy.html: themed, polished sections and card visual language reflecting production-quality styling
Verified artifacts
firstcontributions/first-contributions• ★ 56.1K nexarsolutions/museit• PR
Expertise
HTML & CSS• Middle
Industries
Financial Services• Middle
Media & Entertainment• Middle
Technologies
Frontend
Socket.IO
Recommendations
  • Build marketing and portfolio landing pages that require responsive, accessible UI and polished visual design.
  • Create app legal and support microsites or marketing microsites where static content, SEO and good accessibility are required.
  • Prototype and style component libraries or design tokens for teams, converting the current CSS variables into a small, documented component set.
  • Implement small, performance-conscious interactive widgets (e.g., accessible nav, reveal animations, analytics-friendly interactions) that integrate into static sites.
Repositories
The developer's experience in this domain has been verified based on AI analysis of the following repositories:
satti201.github.io splitease-legal otakushelf-legal
Middle Mobile Developer Confidence: Medium Cross-platform
Cross-platform Flutter engineer (middle level) focusing on clean architecture and offline-capable mobile features. The strongest proven skill is offline-first app design with persistent caching and connectivity-aware flows demonstrated by the Hive-backed data sources, connectivity service and unit tests (Satti201/repo-scout features and tests). There is limited public evidence of advanced platform lifecycle recovery, measured performance tuning, release automation or complete permission denial flows.
Platform Native Mastery
4/10
Knowing the mobile platform
Basic platform lifecycle awareness is present (initState/dispose, stream/subscription disposal, controller disposal) but there is no evidence of advanced process-death handling, state restoration, or structured concurrency patterns tied to screen lifecycle.
Evidence
Satti201/repo-scout/lib/features/github/presentation/screens/github_user_profile_screen.dart: initState adds listeners and dispose disposes ScrollController nexarsolutions/museit/lib/pages/music_player/music_player_screen.dart: cancels MusicKit subscription and disposes AudioPlayer and waveform controller in dispose Satti201/repo-scout/test/features/github/presentation/providers/user_profile_notifier_test.dart: tests simulate connectivity transitions to exercise notifier lifecycle
Mobile UI/UX & Responsiveness
5/10
Smooth mobile experience
UI code uses common mobile patterns (infinite scroll, refresh indicators, responsive waveform layout and gesture seeking) and avoids blatant jank patterns, but lacks evidence of adaptive layouts for multiple device classes, RTL/dynamic type handling, or extensive accessibility tailoring.
Evidence
Satti201/repo-scout/lib/features/github/presentation/screens/github_user_search_screen.dart: ListView.builder with scroll listener and RefreshIndicator Satti201/repo-scout/lib/features/github/presentation/screens/github_user_profile_screen.dart: RefreshIndicator, pagination trigger on scroll and cached-data banner nexarsolutions/museit/lib/pages/music_player/music_player_screen.dart: LayoutBuilder-based waveform with tap-to-seek and gesture handling
Performance & Battery
3/10
Speed and battery use
Some performance-aware choices exist (streaming to local temp files before playback, waveform extraction, cautious try/catch), but there are no measurement baselines, profiling data, or doze/background battery-aware work.
Evidence
nexarsolutions/museit/lib/pages/music_player/music_player_screen.dart: _downloadFile downloads network audio to temp file and uses consolidateHttpClientResponseBytes nexarsolutions/museit/lib/pages/music_player/music_player_screen.dart: prepares waveform with PlayerController.preparePlayer to reduce realtime processing nexarsolutions/museit/lib/pages/sender_side/sender_send_song/add_songs/controller/add_songs_controller.dart: uses debounced searchQuery and loading flags to reduce work
Offline & Data Sync
7/10
Working offline and syncing
Clear offline-first design with local persistence, connectivity checks, cache fallback flags and tests that validate preservation of cached state and friendly offline errors.
Evidence
Satti201/repo-scout/lib/core/network/connectivity_service.dart: connectivity wrapper used by notifiers Satti201/repo-scout/lib/features/github/presentation/providers/github_dependencies.dart: wiring of remote/local data sources and Hive boxes Satti201/repo-scout/test/features/github/presentation/providers/user_profile_notifier_test.dart: tests asserting cached-profile/repositories usage and offline error messages
Device Integration
6/10
Using device features
Multiple device and platform integrations are implemented (Apple Music via MusicKit, external URL launching, Google Sign-In usage, audio playback), showing practical native integration experience though full permission denial flows and settings redirects are only partially covered.
Evidence
nexarsolutions/museit/lib/services/apple_music_service.dart: MusicKit integration, authorization handling and user token flow nexarsolutions/museit/lib/pages/music_player/music_player_screen.dart: switches between local playback and Apple Music playback and listens to MusicKit playback state nexarsolutions/museit/lib/pages/sender_side/sender_send_song/add_songs/controller/add_songs_controller.dart: uses Google Sign-In and web/URL flows for YouTube and payment redirect handling
Release & App Lifecycle
3/10
Building and publishing apps
Basic CI/test and packaging signals exist (pubspec, unit tests, Podfile hooks) but there is no evidence of release automation, signing pipelines, staged rollouts or integrated crash reporting and triage.
Evidence
Satti201/repo-scout/pubspec.yaml: dependencies and dev_dependencies with testing and codegen packages nexarsolutions/museit/ios/Podfile: post_install build settings and permission defines Satti201/repo-scout/test/widget_test.dart and other test files: presence of unit tests and mocked data sources
Expertise
Flutter• Middle
Mobile QA & Automated Testing• Middle
Industries
Commerce• Middle
Media & Entertainment• Middle
Technologies
JavaScript
Dart• since 2025 • Middle
Flutter• since 2024
Firebase• since 2024
Clean Architecture
Riverpod
Dio
GetX
Freezed
Json_serializable
Go_router
RevenueCat
Google Play Billing
Repository Pattern
State Management
Offline-First
Material Design
Crashlytics
Mobile• mentioned only
Riverpod• mentioned only
Recommendations
  • Build cross-platform consumer apps that require offline-first data sync, caching and pagination (implement the repository + usecase + datasource pattern and write unit tests around connectivity fallbacks).
  • Develop media playback features and integrations with platform SDKs (Apple Music, YouTube, streaming-to-temp-file flows and waveform UI), where careful device integration and testing are required.
  • Own feature development that needs clean architecture and Riverpod-style state management including unit and integration tests for offline and error scenarios.
  • Implement platform integration work where cross-platform code calls native capabilities and needs defensive permission and error handling (e.g., MusicKit, URL intents, file pickers, audio recording)
Repositories
The developer's experience in this domain has been verified based on AI analysis of the following repositories:
repo-scout museit