Hassan Zafar

• Developed a real-time presentation coaching engine for Presentable using TensorFlow.js and MediaPipe. • Enhanced feedback accuracy by fixing false-positive detectors in gesture and pace detection. • Built an asynchronous task pipeline with Celery and Redis, improving app responsiveness. • Implemented Sentry error monitoring and structured logging for production environments.

On the Presentable (AI presentation coach) project, I engineered full-stack solutions for real-time, multimodal feedback.   • Built a Celery/Redis asynchronous task system for the Django backend, cutting video upload response time from 5+ minutes to under 2 seconds and enabling concurrent processing.   • Optimized frontend performance, reducing page load times by 65% (Time to Interactive 4.8s to <2s) via code-splitting, dynamic imports, and lazy loading (MediaPipe, ReactPlayer).   • Engineered an Advanced S

• Performed a comprehensive code architecture review and implemented significant improvements, leading to a 30% percent reduction in loading times for LinkedUnion’s core platform. This optimization enhanced user experience and platform responsiveness • Working collaboratively, our team played a key role in propelling the company to a $2.2M revenue milestone in 2024. Our platform also empowered contractors to create 500+ mobile and web applications

Successfully designed and implemented over 12 robust admin panels for various applications, showcasing efficiency in multitasking and rapid project delivery. Enhanced applications with features like RevenueCat integration, real-time chat using WebSockets, KPIs, load balancing, dynamic search, and content filtering. Demonstrated expertise in optimization, including media uploading, CRUD functionalities, nesting routing in Next.js, and successful deployment on cPanel and AWS for highly scalable dashboards.

Elevated the digital landscape at my previous company by crafting an immersive dashboard and the development of the dynamic immigration website, https://fanuun.com. I brought this platform to life through the creation of custom components, weaving in cutting-edge design techniques and injecting lively animations to captivate users. Not stopping there, I fortified the website's defenses against potential DDoS attacks with the integration of Google Captcha, ensuring a secure and uninterrupted experience for

Engaged in contract-based employment focused on the development of a startup web application. Leveraged Node.js and Express.js to architect and implement the server-side components, while employing React.js with Redux for efficient frontend development and state management. The role encompassed the integration of these technologies to deliver a cohesive and scalable web application that met the specified requirements.

• Distributed Consensus • Cryptography (Symmetric & Public Key) • Blockchain Fundamentals • Bitcoin and Ethereum Blockchains • Hyperledger Project Implementation • Permissionless Blockchain Applications

Spent some quality time as a React Native Developer intern at QBS Co. Basically, I was the creative brain behind making things look good and work smoothly. Learned the ropes of React Native, turning design ideas into a user-friendly mobile UI. It was a cool gig that gave me hands-on experience and a chance to add a bit of my own flair to the app's vibe.