Ali Kargar

React Native Remote Developer at Avid Workouts

Developed core features with a focus on performance and user experience. Launched a video call feature using WebRTC to enable real-time communication within the app. Enhanced app stability and performance, improving user experience and retention. Supported build and deployment processes for iOS and Android platforms.

React Native Remote Developer at Avid Workouts

Developed core features with a focus on performance and user experience. Launched a video call feature using WebRTC for real-time communication. Enhanced app stability and performance, improving user experience and retention. Supported build and deployment processes for iOS and Android platforms.

Full-Stack Developer at Astound Digital (Zermatt)

Developed and maintained the official Matterhorn app for iOS and Android for 25,000+ users in the Zermatt region. Maintained an admin panel built with React. Upgraded React Native from 0.62 to 0.78 for improved performance and maintainability. Built real-time bus tracking using background geolocation and Socket.IO. Implemented SwissPass NFC integration and PeakTrack social features with leaderboards. Designed CI/CD pipelines with CircleCI and Fastlane and deployed backend services on AWS. Used AI-assisted development workflows to accelerate implementation, debugging, documentation, and refactoring while keeping production code quality.

Full-Stack Remote Developer at Astound Digital

Delivered E-Bus Live Tracking by building a driver app with background geolocation that streams live bus positions via Socket.IO to the backend, enabling real-time tracking in the Matterhorn app. Launched PeakTrack social activity feature with NFC-based SwissPass scanning; enabled ski-card registration, photo sharing, activity logging, and leaderboards. Migrated the Matterhorn app from RN 0.62 to 0.78 to improve stability and maintainability. Developed and maintained the Matterhorn App (iOS/Android) with 25k+ installs. Implemented CI/CD with CircleCI and automated deployments with Fastlane; deployed backend services on AWS (Lambda, EC2, S3) for high availability and scalability.

Full-Stack Remote Developer at Astound Digital (Zermatt)

Delivered E-Bus Live Tracking by building a driver app with background geolocation and Socket.IO to stream live bus positions to the backend, enabling real-time tracking in the Matterhorn app. Launched PeakTrack social activity feature with NFC-based SwissPass scanning for ski card registration, activity recording, photo sharing, and leaderboards. Upgraded the Matterhorn app from RN 0.62 to 0.78 to improve stability and maintainability. Developed and maintained the Matterhorn App (iOS/Android) with 25,000+ installs. Implemented CI/CD pipelines with CircleCI and automated deployments with Fastlane; deployed backend services on AWS (Lambda, EC2, S3) for high availability and scalability.

React Native Remote Developer at Avid Workouts

Developed core features prioritizing performance and UX; launched WebRTC-based video call feature for real-time communication; improved app stability and performance; supported iOS and Android build/deploy processes.

React Native Remote Developer at Apsy

Developed a media uploader feature with background video compression and parallel uploads, improving usability and efficiency. Collaborated on AI-driven app development solutions to enable faster and more affordable product delivery. Integrated new features and optimized app performance across multiple devices.

React Native Remote Developer at Apsy

Developed media uploader feature with background video compression and parallel uploads; collaborated on AI-driven app development solutions; integrated new features and optimized app performance across multiple devices.