PHP Tech Lead Backend AI Integrations

PUNEET GEHLOT

Technical Lead Backend Engineer AI Integrations

Jaipur, Rajasthan +91-953******* *************@*****.*** linkedin.com/in/puneet-gehlot-003698160 PROFESSIONAL SUMMARY

Technical Lead with 6+ years of experience in backend development, specializing in Laravel, scalable SaaS applications, and AI integrations. Proven expertise in delivering high-performance systems, reducing development time through reusable architectures, and leading cross-functional teams of 7–8 developers to build production-ready applications. Strong background in real-time systems, AWS cloud deployment, and AI-powered solutions using OpenAI and vector databases. Experienced in building AI-enabled systems and integrating modern LLM-based solutions into real-world applications. CORE TECHNICAL SKILLS

Backend & APIs Node.js, TypeScript, Express, Laravel, REST API Development, MVC Architecture Database MySQL, Database Optimization, Query Performance Tuning Web Technologies JavaScript, Typescript, jQuery, AJAX, Web Sockets Cloud & DevOps AWS (EC2, S3, Rekognition), Git, CI/CD Pipelines, Cloud Deployment, System Design AI & Tools

OpenAI API, Pinecone Vector DB, AI Chatbots, Vector Similarity, Prompt Engineering, ChatGPT, Claude, Cursor, ElevenLabs (Voice AI)

Integrations

Stripe (Payment, Subscriptions, Proration, Quantity-Based Billing), PayPal Partner Program, Yelp API, Agora

Methodology Agile/Scrum, Team Leadership, Project Management, Mentoring, Zoho Projects PROFESSIONAL EXPERIENCE

Technical Lead

The NineHertz Pvt. Ltd. Jaipur, Rajasthan March 2022 – April 2026

Led a team of 7–8 developers, delivering 20+ scalable SaaS applications and contributing to 60+ projects across diverse domains

Designed and implemented scalable backend architectures for SaaS applications across e-commerce, dating, service marketplaces, and real-time systems

Built reusable core modules (user onboarding, notifications, subscriptions, payments) that significantly reduced development time by ~30–40% across multiple projects

Engineered backend optimizations that enhanced API efficiency, reducing average response times and improving database query performance across multiple applications

Developed a live streaming platform using Agora with real-time chat, digital gifting, and AWS S3-backed cloud storage for recordings

Integrated audio and voice calling features with CallKit support using Agora, enabling seamless native calling experience on mobile platforms

Developed and integrated an AI-powered chatbot using OpenAI APIs and Pinecone vector database for intelligent document-based search and automated responses

Developed and integrated a voice AI chatbot using OpenAI (response generation) and ElevenLabs (voice synthesis using user voice)

Integrated AI-based face recognition APIs into backend workflows to enable fraud detection and user identity validation

Built symbol recognition system using AWS Rekognition with custom-trained models and S3-based image storage

Integrated third-party services including Stripe (subscription billing), PayPal Partner Program, and Yelp APIs into production systems

Managed project workflows using Zoho Projects including milestone planning, task assignment, time tracking, and team monitoring

Managed Agile/Scrum workflows, sprint planning, task allocation, and ensured on-time delivery across concurrent projects

Software Developer

Next Big Technology Jaipur, Rajasthan January 2020 – February 2022

Developed scalable web applications using PHP and MVC architecture for education platforms, campaign systems, and e-commerce marketplaces

Trained and mentored 20-30 junior developers in backend best practices, code quality, and system design

Recognized for strong technical performance and consistent contributions to product quality and team delivery KEY PROJECTS

Live Streaming Platform Laravel + Agora + AWS S3

Engineered a real-time streaming platform with live chat, digital gifting, and cloud-based recording storage, ensuring scalable performance and seamless user experience for end users AI Document Chatbot OpenAI + Pinecone Vector DB

Developed and integrated a document-based chatbot using OpenAI APIs and vector similarity (Pinecone) for semantic search and automated responses

AI-Based Face Recognition & Fraud Prevention System Vector DB (Qdrant)

Integrated vector-based identity validation APIs into backend workflows for fraud detection and user verification Symbol Recognition System AWS Rekognition + S3

Built a symbol recognition system using AWS Rekognition with custom-trained models, enabling identification and metadata retrieval via database mapping

Voice AI Chat System OpenAI + ElevenLabs

AI chatbot that generates responses using synthesized voice cloned from user-recorded samples ACHIEVEMENTS & RECOGNITION

Awarded "Leader to Watch - 2025" for outstanding technical leadership and team performance

Recognized with performance awards in 2024 and 2025 for consistent delivery excellence

Delivered multiple production-grade applications across diverse domains (e-commerce, dating, streaming, AI)

Improved team productivity and reduced development time through reusable modular architecture EDUCATION

Master of Computer Applications (MCA) 2018 – 2020

Bachelor of Computer Applications (BCA) 2015 – 2018

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