Hiren Lalani

Backend Developer and Machine Learning Engineer with 2+ years of experience designing and implementing scalable backend systems and AI-driven solutions. Expertise in Node.js, TypeScript, Python, MongoDB, Redis, and event-driven architectures. Proven track record of delivering production-ready features that improve efficiency and reduce manual effort by up to 60%. Strong focus on system performance, reliability, and clean architecture.

Software Developer - Ordex Technology Solutions - Ahmedabad, India

(2024-01 - 2026-05)

• Architected and deployed LLM-based Loan Document Analyzer using GPT-4, Ollama, LangChain, and LlamaIndex, enabling intelligent question-answering over legal documents and reducing manual review effort by 60%
• Engineered event-driven Employee Payout Tracker with real-time session monitoring using Docker, MongoDB, and Redis, ensuring high scalability and fault tolerance for distributed systems
• Developed multi-device task management platform (SetInc) with JWT-based authentication, Redis session management, and Firebase Cloud Messaging, supporting 500+ concurrent users with per-device notification capabilities
• Integrated Zoom OAuth and Google Calendar APIs to automate meeting scheduling with attendee management, background job processing, and cron-based execution workflows
• Implemented vehicle repair tracking system using Sequelize ORM with ACID-compliant transactions, conditional workflows, and comprehensive cost tracking, improving operational visibility by 40%
• Optimized database queries and implemented caching strategies with Redis, reducing API response times by 35%

Bachelor of Technology - Computer Science Engineering - Government Engineering College, Patan (2020-11 - 2024-03)