Hemant Kumar

Developed and optimized full-stack web applications using Laravel 10,React, NodeJS, Vue.js, Inertia.js, and Vite, ensuring efficient frontend-backend communication and performance improvements. Integrated third-party APIs (Microsoft Graph API, QuickBooks, Moodle Webhooks, Razorpay, AWS S3) to enable secure data synchronization, payment handling, and cloud storage management. Implemented real-time features using Socket. IO and WebSockets for interactive student and admin portals. Designed and deployed AI-powered solutions, including: Building a Generative AI chatbot (T5 fine-tuned model, ChromaDB, SentenceTransformers, Ollama) for university portals to answer FAQs, guide workflows, and reduce support requests. Developed a document-based AI Q&A system to ingest PDF/DOCX files and provide context-aware answers. Built an OCR audit tool leveraging AI models to extract and compare structured data from images. Configured and managed email delivery systems (Exim, Postal, Gmail SMTP) for secure, scalable transactional and notification emails. Migrated and modernized codebases by replacing legacy Webpack builds with Vite and addressing Vue runtime compilation issues. Automated workflows by integrating Moodle webhooks for real-time grade synchronization and QuickBooks webhooks for vendor updates. Enhanced system security and reliability by implementing middleware for route protection, authentication guards, CAPTCHA for WordPress, and safe email handling in contact forms. Optimized database queries and backend logic in Laravel applications, including action menus, reporting, and time comparison functions. Set up local and cloud development environments (MAMP, Nginx, Python backends) and configured deployment for testing and production.

Advanced from Senior Web Developer to Team Leader, and ultimately to Project Manager, overseeing custom software development projects and leading cross-functional teams. Led custom website development using Laravel, Node JS, Vue.js, Inertia.js, Angular, React, and WordPress plugin development, ensuring high-quality, scalable solutions. Managed website deployments on cloud servers including AWS and DigitalOcean, optimizing for performance, security, and reliability. Designed software architectures, created sprints, and allocated tasks to development teams, facilitating agile project management. Designed, built, and maintained multiple FastAPI-based microservices for AI experimentation, chatbot training, and data ingestion pipelines. Collaborated with ML engineers and data teams to expose APIs for model training, evaluation, and benchmarkingusing frameworks like PyTorch and SentenceTransformers. Developed asynchronous REST APIs for managing conversational workflows, retrieval-augmented generation (RAG), and document embedding pipelines. Implemented scalable, production-grade Python code with emphasis on modularity, maintainability, and performance optimization. Integrated CI/CD pipelines with GitHub Actions and Docker for seamless deployment and version control. Troubleshot and optimized model-serving performance, including inference latency, caching, and parallel request handling. Utilized NumPy, Pandas, and ChromaDB for efficient data processing, embedding storage, and analytics. Experimented with Reinforcement Learning (OpenAI Gym, Stable Baselines) for adaptive AI training environments. Deployed services on Nginx-backed environments with Gunicorn + Uvicorn for high-performance API serving.

Developed and maintained online dating websites using custom developed software in PHP , implementing features like user profiles, matchmaking algorithms, and secure data handling to enhance user engagement. Optimise website for google search and made necessary changes as per SEO team. Implemented real-time chat functionality using WebSockets, ensuring scalable and responsive communication for users across platforms. Performed image manipulation and optimization with tools like GD Library and ImageMagick, improving website load times and user experience. Optimized backend processes for high-traffic environments, enhancing site performance, scalability, and reliability. Implemented and integrated payment gateways such as Stripe, Authorize.net, and PayPal, handling processes via webhooks, sockets, and database transactions for seamless financial operations. Directed site upgrades across various PHP, Laravel, Angular, and React versions, minimizing downtime and enhancing functionality. Developed microservices architecture to interconnect modules within ERP systems, improving modularity and system efficiency. Coordinated cross-team tasks among mobile development, web development, and QA teams to ensure timely delivery and quality assurance. Actively collaborated with clients to gather requirements, set deadlines, and conduct demos, fostering strong relationships and project success.

Advanced from Intern to Junior PHP Developer, contributing to the development and maintenance of Litroom, an in-house ERP solution for college and university management. Developed custom features for various Litroom modules, including Marksheets, Schedules, and Transportation, using PHP to enhance functionality and user experience. Collaborated with senior developers to implement scalable and efficient solutions, ensuring seamless integration across ERP modules. Optimized backend processes to improve performance and reliability of the ERP system for educational institutions. Participated in testing and debugging to ensure high-quality deliverables and adherence to project requirements.