Hassan Waqar

The Attributes

For The Attribute, we focus on unlocking the potential of individuals and teams through tailored workshops, tools, and assessments. I worked on designing and implementing content models using Sanity.io and integrated it with a Next.js app to create a modern, responsive website. My role involved setting up and configuring the Next.js app, ensuring seamless content management and delivering an engaging user experience.

Open Project

Market X

For MarketX, I contributed to the development of a web application that empowers users to invest their money. Using React and NestJS, I implemented dynamic and interactive user interfaces while ensuring robust backend functionality for secure financial transactions. I optimized AWS services for scalable and reliable deployment, enabling smooth user experiences under varying loads. Additionally, I utilized Webflow to design and maintain marketing pages, ensuring brand consistency and responsiveness. My tasks included debugging and resolving production issues, integrating third-party APIs for payment processing, and ensuring compliance with industry standards to enhance user trust and system reliability.

Open Project

helloBible

For HelloBible, an AI-powered Bible chatbot, I contributed to developing and enhancing the platform using AWS Lambda, Node.js, Webflow, and Vue.js. I built and optimized serverless functions on AWS Lambda to handle user queries efficiently, ensuring scalable and cost-effective performance. I integrated Node.js for backend logic to process natural language questions and deliver accurate Bible-based responses. On the frontend, I utilized Vue.js to create a responsive and interactive chat interface, seamlessly embedded into Webflow for a polished user experience. Additionally, I optimized API connections between the chatbot and the AI engine to improve response accuracy and reduced latency for real-time interactions.

Open Project

obenan

For Obenan, an all-in-one local SEO solution, I developed the front-end using React to create a user-friendly and interactive interface. I also integrated back-end services to handle data management and SEO functionalities. My work focused on building a responsive and efficient platform that simplifies local SEO tasks and enhances user experience.

Open Project

Tasks :

• Built and maintained backend services using Node.js.
• Integrated third-party APIs such as BirdEye and SoConnect to gather local SEO statistics for businesses.
• Developed modules for competitor analysis and business insights using AI-driven tools.
• Integrated backend APIs into the React frontend to display SEO stats and competitor analysis data.
• Ensured efficient and optimized API calls between the backend and frontend for seamless user interaction.

stuehrenberg

For Stührenberg, a web-based system for efficient management and real-time monitoring of street signals and cameras, I developed and optimized the platform using Next.js for the frontend and NestJS for the backend, ensuring seamless performance and a responsive user interface. I integrated Socket.io to enable real-time communication between devices and the control system, allowing instant updates and monitoring of street signals. Additionally, I implemented WebRTC for secure and low-latency live video streaming from street cameras, enhancing traffic surveillance capabilities. My work focused on creating scalable APIs, optimizing system performance, and ensuring real-time reliability for urban infrastructure management.

Open Project

core direction

For Core Direction, a wellness-focused platform, I developed the back-end with NestJS. I implemented microservices using a monorepo pattern, integrated NATS.io for real-time communication, and built features for activity scheduling, gamification, and corporate administration. I also Dockerized the project for scalable deployments.

Open Project

Tasks :

• Implemented microservices within a monorepo pattern using NestJS for streamlined development and deployment.
• Integrated NATS.io to enable real-time, efficient messaging between services.
• Developed the activity schedule and gamification module to boost user engagement.
• Worked on the corporate admin module to enhance administrative control and functionality.
• Dockerized the project to ensure consistent and scalable deployments.

Zonic

Zonic is a WhatsApp automation platform that helps businesses manage follow-ups, campaigns, and customer conversations at scale. As a Full-Stack Developer, I worked on backend systems, onboarding flows, webhook reliability, and Meta Business integrations to support production customers.

The platform is live, Meta App Review approved, and already serving paying customers. My work focused on building dependable WhatsApp automation flows and making multi-account onboarding and event handling stable in production.

Tasks :

• Built the follow-up automation engine using BullMQ processors with configurable rules stored in `follow_up_config`.
• Integrated Z-API webhooks for real-time WhatsApp message handling and resolved duplicate event issues across instances.
• Implemented Meta Embedded Signup flow for onboarding clients onto their own WhatsApp Business accounts.
• Managed webhook deduplication logic across production and development app environments.
• Configured and maintained multi-account Meta Business infrastructure across 9+ ad accounts under ZONIC - Nacional.