Shahzaman Haider

At Qlu.ai, an AI-powered recruitment platform, I implemented key technical improvements and optimizations contributing to closing a $5 million business deal. Built a chat-based company generation module integrating an LLM trained on a database of over 10 million companies, enabling users to generate and filter relevant companies dynamically. Developed robust REST APIs using Node.js, TypeScript, PostgreSQL, Python, FastAPI, and Elasticsearch to power chat-based company generation including history tracking, selection saving, normalization, and real-time streaming. Created advanced prospect/profile search with complex multi-attribute filtering including timeline-based filters. Led MVP development of Yoto.ai, an AI-driven platform with real-time chat UI for LinkedIn profile retrieval and analysis, managing a developer team from concept to deployment. Refactored critical modules reducing over 8000 lines of code. Built a custom UI library using atomic design principles documented with Story

At Watermelon, I revamped and stabilized a poorly implemented marketplace v2 application to provide a seamless and reliable user experience. I integrated Zoho CRM with the platform and leveraged Zapier for automating inquiries and updates. I designed automated workflows for scenario-based invoices and bills, integrating Zoho CRM, Books, and the application. Contributed to the development of version 3 using NextJS and MedusaJS framework with focus on SSR, server actions, security, and best practices. Built an advanced product search system featuring multi-filter support, file upload input, and AI-driven result ranking powered by Algolia click analytics and automatic query categorization. Played a key role in the development and successful release of a POS system now in use across hundreds of restaurants in Dubai. Enabled POS integration with the Watermelon marketplace by designing a dynamic user-mapping system for securely retrieving and applying user-specific API credentials.

Developed and deployed no-code and low-code solutions exposing functionality through REST APIs. Managed user and team activities on IBM BPM. Contributed to the development of trading financing web platform using AngularJS. Contributed backend development using Java and Spring Boot, handling secure authentication and authorization with Spring Security.