Freelance React Native Developers in IslamabadFreelance React Native Developers in Islamabad
Full-Stack Developer | React, React Native, Node.js, AI
$1k+
Earned
5.0
Rating
21
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Full-Stack Developer | React, React Native, Node.js, AI
End-to-End IoT, AI & Web3 Solutions | REPLA Tech
5.0
Rating
24
Followers
End-to-End IoT, AI & Web3 Solutions | REPLA Tech
AI SaaS Dev | LLMs, Agents, Voice & Automation | Web, Mobile
New to Contra
AI SaaS Dev | LLMs, Agents, Voice & Automation | Web, Mobile
Cover image for GYMYG β€” Virtual Fitness Platform
California,
GYMYG β€” Virtual Fitness Platform California, USA Β· 12 Months Β· 7-Person Team The Problem The home fitness market exploded but the tech never caught up. Existing solutions were either pre-recorded content with no real interaction, or basic video calls with no fitness intelligence built in. GYMYG needed something that didn't exist yet β€” a platform where certified trainers and clients could train together in real time, with the intelligence to match them, program for them, and keep them accountable long after the first session. What We Built A complete virtual fitness ecosystem β€” two separate applications for trainers and clients, coordinated through a single backend, with an admin layer running everything underneath. Sessions run over WebRTC with adaptive bitrate streaming, so video quality adjusts automatically based on connection strength without dropping the call. TURN/STUN resilience means sessions stay live even on difficult networks. In 50,000+ sessions delivered, the failure rate never crossed 1%. The AI layer does the work that makes GYMYG more than just a video call. Programming is calibrated to each user's goals and adherence patterns β€” if someone keeps skipping leg day, the system knows. Biometric and session telemetry track safe progression and flag recovery needs before they become injuries. Trainer-client matching uses availability, specialty, and historical satisfaction signals β€” not just whoever's online. Community features β€” live group classes, asynchronous content, and moderated chat β€” were built in from day one because retention data is clear: people who train alone quit. People who train in community don't. Technical Architecture Real-time sessions: WebRTC with adaptive bitrate streaming + TURN/STUN resilience Backend: Node.js services layer handling real-time state, scheduling, and payments Database: MongoDB with rigorously designed schemas and TTL-based event retention Infrastructure: AWS with autoscaling, managed queues, and full-stack observability β€” metrics, logs, traces Security: Tokenized access, scoped permissions, encrypted media signaling throughout Stack: React Native Β· Node.js Β· WebRTC Β· MongoDB Β· AWS Results 50,000+ live sessions delivered 95% customer satisfaction across rolling quarters Sub-1% session failure rate Improved 90-day retention driven by social features and AI-personalised programming First live fitness app to offer real-time trainer-client interaction at this scale Successfully launched into the US fitness market in 12 months What This Proves Real-time platforms at scale aren't just a backend problem. They're an architecture problem. The decisions made in month one β€” how sessions are handled, how data is structured, how the AI layer sits inside the product β€” are what determine whether you hit 50,000 sessions or fall apart at 500. GYMYG was built to handle the former from day one.
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163
AI Architect | SaaS, Voice AI & Automation
7
Followers
AI Architect | SaaS, Voice AI & Automation
SaaS| Browser Extension Developer| Save Time with automation
New to Contra
SaaS| Browser Extension Developer| Save Time with automation
Cover image for Description
Pro Productivity is a Chrome
Description Pro Productivity is a Chrome extension designed to help users understand and improve their online habits. The extension automatically tracks the time spent on each website, providing detailed insights into daily browsing behavior. Users can create tasks, set focus timers, and receive reminders to stay productive throughout the day. The extension features real-time website activity tracking, task management, focus alarms, and productivity analytics in a clean and intuitive interface. By visualizing browsing patterns and tracking task progress, users can identify distractions, manage their time more effectively, and build better productivity habits. Key Features βœ… Website Time Tracking Automatically tracks time spent on every website. Displays real-time browsing activity. βœ… Task Management Create and manage productivity tasks. Monitor active and completed tasks. βœ… Focus Timers & Alarms Set custom focus sessions. Receive alerts when task timers expire. βœ… Activity Dashboard View browsing history and usage statistics. Analyze productivity trends over time. βœ… Clean User Interface Modern dark-themed design. Easy-to-use and distraction-free experience. Technologies Used React WXT Framework JavaScript Chrome Extension APIs Local Storage HTML5 CSS3 Problem Solved Many users underestimate how much time they spend online. Pro Productivity provides clear visibility into browsing habits while helping users stay focused on important tasks through time tracking and smart reminders. Results The extension enables users to: Track online activity accurately. Reduce distractions. Improve time management. Increase productivity through focused work sessions. Gain valuable insights into their daily digital behavior. Role: Full-Stack Chrome Extension Developer Project Type: Productivity & Time Management Tool Platform: Google Chrome Extension
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I Build and Fix React Native Apps for Android & iOS
New to Contra
I Build and Fix React Native Apps for Android & iOS
Turning ideas into beautiful apps!
Turning ideas into beautiful apps!