About Me
6+ years of experience building production web applications, REST APIs, and business platforms. Based in Salem, Tamil Nadu, India.
The Journey
I'm Mahavishnu, a Senior Full Stack Engineer based in Salem, Tamil Nadu, India. I completed my B.Tech in Information Technology at Paavai Engineering College (2017–2021) and have been building production web applications since 2020.
At Byrut Business Solutions LLP, I delivered 20+ production applications across tourism, booking, e-commerce, and business automation — including a platform supporting 25,000+ users across hotel, ferry, cab, and boat services.
Since July 2024 at Hectadata India Technology Consulting Pvt Ltd, I've been building AI-assisted legal analysis systems, vehicle monitoring and overload detection platforms, and logistics data extraction workflows using OCR, LLM APIs, LangChain, and Qdrant.
Professional Experience
PHP Developer
Built production applications using PHP, Laravel, React.js, FastAPI, and PostgreSQL with asynchronous processing across multiple business domains. Developed an AI-assisted legal analysis system using FastAPI, LangChain, and Qdrant with RAG-based retrieval and multi-agent workflows. Built vehicle monitoring and overload detection systems using Laravel, React.js, Inertia.js, RabbitMQ, and Redis, processing millions of records daily. Developed logistics extraction workflows for scanned images, PDFs, text, and XLSX using OCR, LLM APIs, and structured data processing. Designed and deployed applications across cloud and on-premises environments using Nginx, load balancing, Bash, and performance optimization.
Web Developer
Delivered 20+ production applications across tourism, booking, e-commerce, management, and business automation — driving end-to-end development, API integrations, performance improvements, and deployments. Built Laravel/PHP REST APIs, booking engines, admin systems, pricing workflows, and business platforms. Scaled a tourism booking platform supporting 25,000+ users across hotel, ferry, cab, and boat services. Built React.js/Next.js applications, integrated payment gateways and third-party services, and managed deployments using Nginx, Laravel Forge, and DigitalOcean.
Education
B.Tech in Information Technology
Paavai Engineering College, Namakkal
CGPA: 7.75/10
Class XII Mathematical Biology
Maruthi Higher Secondary School, Salem
State Board · Percentage: 81.75%
Class X
Maruthi Higher Secondary School, Salem
State Board · Percentage: 84.8%
Awards & Certifications
Conference paper published on blockchain-based invoice factoring & secure credit-based training
2nd Place — National Level Technical Symposium Paper Presentation on Artificial Intelligence
Certificate of Participation — Smart India Hackathon 2020