Top 1% Mobile App Developer on Upwork | Flutter, iOS & Android | AI-Powered Apps | 100% Job Success
𝗧𝗶𝗿𝗲𝗱 𝗼𝗳 𝗺𝗼𝗯𝗶𝗹𝗲 𝗮𝗽𝗽𝘀 𝘁𝗵𝗮𝘁 𝗰𝗿𝗮𝘀𝗵 𝘂𝗻𝗱𝗲𝗿 𝗿𝗲𝗮𝗹 𝘂𝘀𝗲𝗿𝘀, 𝗼𝗿 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿𝘀 𝘄𝗵𝗼 𝗱𝗶𝘀𝗮𝗽𝗽𝗲𝗮𝗿 𝗺𝗶𝗱-𝗽𝗿𝗼𝗷𝗲𝗰𝘁?
I have solved that exact problem for 60+ founders and businesses. My clients launch apps that hold up on Day One, clean Flutter/native code, App Store & Google Play ready, and AI features that actually work. 100% Job Success, Top Rated, 9+ years of experience, 30+ apps live in the market.
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🎯 𝗪𝗛𝗔𝗧 𝗜 𝗕𝗨𝗜𝗟𝗗
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▸ FULL-CYCLE MOBILE APP DEVELOPMENT
From idea to App Store/Play Store launch. Flutter, Android, and iOS apps built for real users from day one.
▸ CROSS-PLATFORM APPS (FLUTTER + REACT NATIVE)
One codebase, native performance on both iOS and Android. Faster delivery without sacrificing quality.
▸ NATIVE ANDROID & iOS DEVELOPMENT
Platform-specific builds when performance or deep OS integration matters most.
▸ AI-POWERED MOBILE APPS
OpenAI API integration for smart features chat, recommendations, automation implemented cleanly, no over-engineering.
▸ ON-DEMAND & MARKETPLACE APPS
Ride booking, food delivery, real estate listing, e-commerce Uber/Airbnb-style apps built end-to-end.
▸ BACKEND & API DEVELOPMENT
Node.js, Python (FastAPI/Flask/Django), REST & GraphQL APIs, connected to Firebase, MySQL, MongoDB, or your stack of choice.
▸ CODE AUDIT & APP STABILIZATION
Inherited a buggy app? I audit performance, crashes, and architecture, then deliver a fix plan fast.
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💬 𝗖𝗟𝗜𝗘𝗡𝗧 𝗙𝗘𝗘𝗗𝗕𝗔𝗖𝗞
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Review 1:
Great experience working with Murtaza Moiz on our mobile app project. He's skilled in Flutter, Dart, Node.js, and API Integration, and delivered clean, functional code on time. Communication was smooth, and he was open to feedback. Highly recommended for Mobile App Development.
Review 2:
Murtaza Moiz is professional and responsive, with strong skills in Cross Platform and iOS/Android App Development using Flutter. He delivered a well-designed app with smooth UI and RESTful API integration, even adding some AI features.
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🏆 𝗖𝗥𝗘𝗗𝗘𝗡𝗧𝗜𝗔𝗟𝗦
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- Top 1% Talent on Upwork Mobile App Development
- 100% Job Success, 60+ Projects Delivered
- 30+ Apps Live on App Store & Google Play
- 9+ Years of Experience
- AI Mobile App Development (OpenAI Integration)
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🚀 𝗛𝗢𝗪 𝗪𝗘 𝗦𝗧𝗔𝗥𝗧
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✉️ MESSAGE ME ON UPWORK
Have a mobile app idea, or an existing app that needs fixing? Message me for a free consultation and a clear plan to launch faster.
How I Work
Full-cycle mobile apps in Flutter, Android, iOS, with clean backend and API integration. Figma designs turned into pixel-perfect UI, progress tracked in Jira/Trello, communication through clear updates, and delivery with long-term support after launch.
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🛠️ 𝗧𝗢𝗢𝗟𝗦 & 𝗧𝗘𝗖𝗛𝗡𝗢𝗟𝗢𝗚𝗬
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Mobile Development
Flutter, Dart, React Native, Android (Kotlin/Java), iOS (Swift)
Backend & Databases
Node.js, Python (FastAPI, Flask, Django), Firebase, Firestore, MySQL, MongoDB, SQLite
APIs & Integrations
REST API, GraphQL, OpenAI API, Firebase Cloud Functions
Cloud & Deployment
AWS, Google Cloud, Firebase
Design & Collaboration
Figma, Adobe XD, Material Design, Cupertino Widgets, Git, GitHub, GitLab, Bitbucket, Jira, Trello
Solutions Delivered
Ride/Booking Apps, Real Estate Apps, Social Media Apps, Sports Apps, Food Delivery Apps, E-commerce Apps, Learning Management Apps, Appointment Booking Apps, CRMs, On-demand Apps
Mobile App Developer, Flutter Developer, iOS Developer, Android Developer, AI Mobile App Development, Cross-Platform App Development
𝐊𝐞𝐲𝐰𝐨𝐫𝐝𝐬:
Flutter, Dart, OpenAI API, Full Stack Developer, Back End Developer, API Integration, Node.js, SQL, Mobile App Development, Mobile App Developer, Android App Development, Android App Developer, AI Mobile App Development, AI Mobile App Developer, Mobile App Design, Mobile App UI Design, Responsive Design, UI/UX Designer, Prototyping, Mobile App API Integration, iOS App Developer, iOS App Development, Hybrid App Development, Cross Platform App Development, Express.js, RESTful API, Machine Learning App Integration, Senior Mobile App Developer, Software Designer
#Flutter #Dart #OpenAIAPI #FullStackDeveloper #BackEndDeveloper #APIIntegration #Nodejs #SQL #MobileAppDevelopment #MobileAppDeveloper #AndroidAppDevelopment #AndroidAppDeveloper #AIMobileAppDevelopment #AIMobileAppDeveloper #MobileAppDesign #MobileAppUIDesign #ResponsiveDesign #UIUXDesigner #Prototyping #MobileAppAPIIntegration #iOSAppDeveloper #iOSAppDevelopment #HybridAppDevelopment #CrossPlatformAppDevelopment #Expressjs #RESTfulAPI #MachineLearningAppIntegration #SeniorMobileAppDeveloper #SoftwareDesigner
Mobile App Development
AI Mobile App Development
Android App Development
iOS Development
Hybrid App Development
Website to Mobile App Conversion
Mobile App Design
Mobile App Redesign
Mobile UI Design
Mobile App Bug Fix
Mobile App Testing
Back-End Development
Flutter
Node.js
ExpressJS
Dart
Firebase
Supabase
API Integration
REST API
Muhammad Shahid A.
Frisco, Texas
$75/hr
5.0
16 jobs
I am a certified Salesforce Architect and Copado Developer with over five years of experience delivering enterprise-grade Salesforce and Odoo ERP solutions. Beyond traditional CRM and ERP development, I specialize in Agentic AI, intelligent automation, and data-driven systems that elevate business operations and decision-making.
I help organizations streamline processes, enhance efficiency, and scale confidently by integrating AI directly into their Salesforce and Odoo platforms and workflows. My approach is always practical and results-focused—I don’t just experiment with AI; I build solutions that deliver measurable business impact.
What I Do:
Agentic AI & Intelligent Automation: Design and implement AI-driven assistants, workflow orchestrators, and decision-support systems that operate autonomously and improve business outcomes.
Salesforce & Odoo Development: Salesforce Architecture & Development using Lightning Web Components, Apex, Flows, Visualforce, Triggers, and Custom Settings. Odoo ERP customization, module development, workflow automation, and business process optimization. Salesforce Clouds: Sales Cloud & Service Cloud with complex approvals and asynchronous processes.
Copado & Release Management: CI/CD pipelines, Git integration, Jira workflow management, and automated deployments.
Data Science & Analytics: Predictive modeling, insights generation, and intelligent reporting to support enterprise decisions.
API Integrations: REST/SOAP integrations with Twilio, Shopify, Stripe, WooCommerce, Odoo, and other enterprise platforms.
Why Work With Me:
• End-to-end expertise: From solution design to deployment, automation, AI integration, and Odoo ERP implementation/customization.
• Enterprise-ready AI solutions that enhance existing systems without disrupting operations.
• Certified in Copado and Salesforce Sharing & Security, ensuring scalable and secure architectures.
• Proven ability to combine Salesforce, Odoo ERP, and AI strategies to improve accuracy, efficiency, and business decision-making.
If you are looking for a Salesforce and Odoo ERP expert who can bring practical, enterprise-ready Agentic AI and automation to your platform, I can help you unlock the full potential of your systems.
Microsoft Power BI Data Visualization
Microsoft PowerApps
Salesforce Service Cloud
C#
Microsoft Power BI
Microsoft SharePoint Development
Microsoft Azure
Microsoft Dynamics ERP
Microsoft Dynamics 365
Salesforce Marketing Cloud
Microsoft Dynamics CRM
Salesforce Sales Cloud
Salesforce App Development
CRM Software
Salesforce CRM
Commerce Cloud
Salesforce Lightning
Microsoft SharePoint
Odoo Development
ERP Software
Gulraiz A.
Irving, Texas
$22/hr
4.2
171 jobs
✔️ Automation Testing ✔️ Playwright ✔️ AI-Assisted testing ✔️ Functional QA ✔️ Website testing ✔️ Manual QA ✔️ Bug report✔️ Usability testing & App reviews✔️ iOS and Android app testing ✔️ Regression Testing✔️ Selenium WebDriver ✔️ Cypress ✔️ End-to-end testing ✔️ UI & UX testing ✔️ ChatGPT ✔️ Gemini ✔️ Copilot ✔️ Claud
Are you looking to launch a flawless web or mobile app, scale your release velocity, or get deep, critical insights into why your users might be dropping off?
As a Senior QA Automation & Manual Testing Engineer with over 11 years of experience across US-based enterprise platforms and high-growth startups, I don't just find bug. I protect your product’s reputation and user experience.
I bridge the gap between heavy-duty engineering (building scalable automation pipelines) and high-empathy user advocacy (usability reviews, deep exploratory sessions, and UX feedback).
🚀 High-Demand QA Services I Offer:
1. Premium US-Based Web & Mobile App Reviews & Feedback
Real-Device USA Reviews: Testing on actual, physical iOS and Android devices to replicate authentic US user environments, carrier networks, and localized workflows. UX & Usability Audits: Deep-dive reviews looking at user friction points, layout inconsistencies, navigation logic, and accessibility (WCAG). You receive a structured video walk-through or a comprehensive report. Exploratory & Ad-Hoc Testing: Going off-script to mimic unpredictable real-world user behavior, finding edge-case crashes before your customers do.
2. Enterprise-Grade Test Automation Frameworks:
Web Automation: Architecting lightning-fast, zero-flakiness End-to-End (E2E) automation frameworks from scratch using Playwright (TypeScript/JavaScript), Cypress, and Selenium (Java).Mobile Automation: Native and cross-platform app test frameworks using Appium.CI/CD Integration: Sharding and parallelizing tests inside GitHub Actions or Jenkins so your dev team gets quality feedback in under 5 minutes on every commit.
3. Functional, Manual, & API Testing Comprehensive test plan/test case design in Jira, TestRail, or Azure DevOps. Robust REST API testing and automation utilizing Postman. Regression and Smoke testing cycles to protect critical business logic during fast-paced sprints.
🛠️ Core Technical & QA Stack:
Languages: TypeScript, JavaScript, Java, Python, SQLAutomation: Playwright, Selenium WebDriver, Cypress, AppiumMobile Testing: Physical iOS (iPhones) & Android devices, BrowserStack, Firebase Test LabAPI & Backend: Postman, REST Assured
Management & CI/CD: Jira, TestRail, GitHub Actions, Jenkins, Docker
💼 What You Get in Every Deliverable:
Clear, Reproducible Bug Reports: Ticket-ready bug descriptions with steps to reproduce, clear environmental context, and attached screen recordings/logs.
Actionable UX Feedback: Strategic product reviews detailing why a feature feels clunky and how to optimize it for higher conversion rates.
Clean, Maintainable Code: Automation repositories built using the Page Object Model (POM), fully commented and ready for your developers to maintain. Whether you need a quick, meticulous usability review before a major app store launch, or a strategic partner to build an automation testing pipeline from scratch let's chat.
Click the "Invite" button on the top right, and let’s discuss how we can secure your app's quality.
Usability Testing
End-to-End Testing
Bug Tracking & Reports
Mobile App Testing
Manual Testing
Web Testing
Functional Testing
Regression Testing
QA Testing
Product Testing
Cypress
Software Testing
Selenium WebDriver
Automated Testing
AI Model Training Prompt
MD R.
Houston, Texas
$15/hr
5.0
90 jobs
I'm Rahman – Your Trusted Full Stack Web Developer!
With over 10 years of professional experience, I specialize in building stunning, functional, and secure websites across multiple platforms. Whether it's WordPress, WooCommerce, Squarespace, Joomla, Webflow, or Laravel, I deliver tailored solutions that help businesses thrive.
What I Can Do for You:
* Custom Website Development: Unique, responsive, and tailored to your brand across WordPress, Webflow, Squarespace, and Joomla.
* E-commerce Solutions: Build and optimize WooCommerce stores for seamless user experiences.
* Full Stack Development: Custom Laravel applications and backend integrations.
* Theme & Plugin Development: From scratch or fine-tuning existing themes and plugins.
* Website Maintenance & Support: Keeping your site updated, secure, and running smoothly.
* Performance Optimization: Faster loading times and better SEO rankings.
Why Choose Me?
* Multi-Platform Expertise: Deep understanding of WordPress, Laravel, Squarespace, Joomla, and Webflow.
* Clean Code: SEO-friendly, W3C-compliant, and easy to maintain.
* On-Time Delivery: I value your time and always meet deadlines.
* Effective Communication: Clear, responsive, and professional.
* Client Satisfaction: Committed to exceeding expectations and building long-term partnerships.
Tools & Technologies I Use:
* CMS Platforms: WordPress (Core, WooCommerce), Squarespace, Joomla, Webflow
* Backend: PHP, Laravel, MySQL, APIs, and third-party integrations
* Frontend: HTML5, CSS3, JavaScript, jQuery, Bootstrap, React
* Page Builders: Elementor, Divi, WPBakery, CrocoBuilder
* Tools: Git, Trello, Jira
Let's Work Together! Whether you're launching a new website, revamping an existing one, or need ongoing support, I'm here to help. Let's collaborate and create a web solution that elevates your business and sets you apart.
WordPress
WooCommerce
PHP
Laravel
Webflow
Squarespace
Joomla
HTML5
CSS 3
JavaScript
jQuery
React
MySQL
Git
GitHub
API Integration
Docker
WordPress Security
WordPress Optimization
Divi
WordPress Theme
Twitter/X Bootstrap
PSD to WordPress
PSD to Mailchimp
Ahmed B.
Katy, Texas
$15/hr
5.0
1 jobs
I help businesses catch critical bugs before release, reduce production issues, and ship stable, user-friendly products. I’m a Senior QA Engineer with over 6 years of experience testing web applications, APIs, and mobile platforms across different industries. My core strengths include QA testing, automation testing, manual testing, API testing, and performance testing for web and mobile applications.
I have worked with both fast-moving startups and established companies, supporting everything from quick regression cycles to full automation framework builds.
My approach is simple and results-driven: test what matters, report issues clearly, and protect your release.
What I Can Do for You:
Automation Testing
• Playwright with TypeScript
• End-to-end test automation
• CI/CD integration (GitHub Actions, Concourse)
• Automation framework design
Manual Testing
• Functional and regression testing
• Exploratory and UI/UX testing
• User acceptance testing (UAT)
API Testing
• Postman collections
• Request/response validation
• Edge-case and error-handling tests
Accessibility Testing
• WCAG compliance checks
• Screen reader and keyboard navigation
• Axe DevTools scans
Performance Testing
• Load testing with JMeter and k6
• Bottleneck and stability analysis
Cross-Browser & Device Testing
• Real device testing with BrowserStack
• Desktop and mobile environments
Tools & Technologies
• Playwright
• TypeScript
• Postman
• JMeter
• k6
• Git
• GitHub Actions
• Docker
• AWS
• Jira
• BrowserStack
• Selenium
• SQL
• Linux/Unix
• Axe DevTools
What You Get Working With Me:
• Clear, reproducible bug reports with videos and screenshots
• Well-structured, reusable test cases
• Fast communication and reliable turnaround
• A QA engineer focused on real user impact
Let’s Work Together:
If you need a reliable QA engineer who can quickly understand your product, catch critical issues, and support stable releases, send me a message. I’m ready to start testing your project.
QA Testing
Test Automation
Manual Testing
TypeScript
API Testing
Web Testing
Software Testing
End-to-End Testing
Mobile App Testing
Functional Testing
Regression Testing
Postman
BrowserStack
CI/CD
Database Testing
Francis O.
Temple, Texas
$60/hr
4.8
62 jobs
Need a developer who can ship fast, clean, production-ready apps—and also automate the boring work with AI?
I’m Francis, a Top Rated developer and project lead with 8+ years (going on 9) of experience and 1,100+ Upwork hours, having delivered 50+ projects (including Fortune 500 collaborations) with a 100% on‑time track record.
I help clients with:
Modern Web Apps (Full Stack)
React / Next.js, Vue, or vanilla JS frontends
Node.js / PHP (Laravel / WordPress) / Python backends
REST APIs, authentication, dashboards, admin tools
High-Performing WordPress & E‑Commerce
Custom themes & plugins, Gutenberg blocks, performance optimization
WooCommerce & Shopify builds, migrations, and conversion‑focused UX
Fixing complex bugs, refactors, speed & Core Web Vitals work
Mobile & Cross‑Platform Apps
React Native / Expo or hybrid stacks for iOS and Android
API-driven mobile apps connected to your existing backend or CRM
MVPs, prototypes, and production-grade releases
AI & Automation (LLMs, Workflows, Integrations)
ChatGPT / Claude / ChatLLM–powered chatbots, assistants, and internal tools
AI knowledge bases, RAG‑style search over your docs, AI summaries & insights
Business process automation: CRM, email, billing, forms, and data sync
AI‑assisted coding, automated reports, and internal dev tooling
HOW I TYPICALLY WORK
1. Discovery & Strategy
We clarify your goals, scope, budget, and timeline so we know exactly what “success” looks like.
2. Design & Architecture
I propose a clear tech approach (stack, integrations, data model, AI usage when relevant) that balances speed, reliability, and cost.
3. Build & Iterate
Short, focused milestones with visible progress: working features, not endless documents.
4. Launch, Test & Optimize
Automated and manual testing, performance tuning, and post‑launch support so your app runs smoothly under real traffic.
RECENT TYPES OF PROJECTS
Full Stack Web & AI
AI knowledge‑base chatbot for a research organization (LLM + RAG over reports and briefs).
State Bill Grading Tool using LLMs to analyze legislation and output structured scores.
AI news summarization pipeline with a live ticker UI pulling from multiple feeds.
WordPress / E‑Commerce / SaaS
Custom WordPress builds and rebuilds for SaaS, agencies, and content sites.
WooCommerce and Shopify stores optimized for conversions and speed.
Multi‑site WordPress ecosystems with custom dashboards and integrations.
Mobile & Internal Tools
Mobile MVPs for service businesses (booking, user accounts, push notifications).
Internal dashboards and admin panels for operations, analytics, and content management.
WHY CLIENTS HIRE ME (AND KEEP COMING BACK)
Top Rated on Upwork – proven delivery and client satisfaction.
Strong communicator – clear updates, no surprises, I ask the right questions.
Business‑minded – I care about outcomes (revenue, engagement, efficiency), not just code.
Versatile – web, full stack, mobile, and AI automation, so you’re not juggling 4 different freelancers.
Reliable – I respect deadlines, document my work, and make maintenance easier for you or your team.
CORE TECH & TOOLS
Frontend & Mobile
React, Next.js, React Native / Expo
JavaScript (ES6+), TypeScript (if needed)
HTML5, CSS3/SCSS, Tailwind, Bootstrap
Backend & APIs
Node.js (Express), PHP (Laravel, WordPress), Python
REST APIs, webhooks, third‑party integrations (CRMs, payment gateways, marketing tools)
CMS & E‑Commerce
WordPress (custom themes/plugins, Gutenberg)
WooCommerce, Shopify
Webflow, Squarespace, Wix (for marketing sites & quick launches)
AI & Automation
ChatGPT, Claude, ChatLLM Desktop, GitHub Copilot
AI chatbots, RAG search, summarization & grading, internal AI tools
Workflow automation with CRMs, email tools, and internal systems
DevOps & Workflow
Git, GitHub, GitLab, Bitbucket
AWS, WPEngine, SiteGround, GoDaddy
Docker (where appropriate), CI/CD concepts
Jira, Trello, Asana, ClickUp for project tracking
WHAT TO DO NEXT
If you’re looking for a reliable, senior developer who can handle:
A new web or mobile app from idea to launch
A complex WordPress / Shopify / WooCommerce project
Or AI & automation work integrated into your existing stack
Send me a message with:
A short description of your project
Your ideal timeline
Any examples or references you like
I typically respond within a few hours and can often start with a short paid discovery or audit so you get value quickly before committing to a larger engagement.
Let’s build something great.
Web Design
PHP
JavaScript
Front-End Development
WordPress
CSS
HTML
Blog
Theme Customization
SEO Writing
Adobe Photoshop
Theme Development
Project Management
Shopify
Webflow
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