Rohan Phulkar | Python Backend & FastAPI Developer

About Me

Full Stack Developer with 3+ years of experience building scalable backend systems, AI-powered platforms, and production-ready web applications using Python, FastAPI, Django, React, and cloud infrastructure.

I am a performance-driven Full Stack Developer specializing in backend architecture, API design, and AI-integrated systems. I have built and deployed scalable social platforms, healthcare CRMs, AI-powered RAG systems, and distributed media processing systems. My strength lies in designing production-grade backend systems with clean architecture, database optimization, and cloud deployment strategies. I combine strong frontend capability with backend depth, enabling me to ship complete products end-to-end.

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What I do

My Services

Backend API Development

Scalable, secure REST APIs with Django or FastAPI — auth, caching, and clean architecture for production.

Full Stack Web Development

End-to-end apps with React/Next.js and robust backends — responsive, SEO-friendly, and production-ready.

AI & RAG Integration

LLM-powered systems and RAG pipelines using LangChain and OpenAI for intelligent automation.

Cloud Deployment & Dockerization

Containerized deployments with Docker on AWS, GCP, and VPS with CI-ready infrastructure.

System Design & Architecture Consulting

Scalable architectures — microservices, event-driven systems, and backend planning for growth.

Database Optimization & Performance Engineering

Schema design, query tuning, and indexing for PostgreSQL, MySQL, and MongoDB at scale.

Experience

My Professional Journey

Full Stack Developer

Mycareersarthi · Sep 2025 - Present

Leading the end-to-end development of an AI-powered career mentoring and profile evaluation platform. Architected scalable backend services, integrated LLM-driven RAG pipelines, and deployed production-ready infrastructure using containerized environments.

Built high-performance REST APIs using FastAPI, improving response times by ~35% through query optimization
Implemented RAG pipelines using LangChain + OpenAI, reducing manual profile review effort by ~60%
Designed PostgreSQL schema with optimized indexing, supporting 5x projected user growth
Containerized services with Docker and deployed on VPS with Prometheus + Grafana monitoring

Python FastAPI Next.js PostgreSQL LangChain OpenAI API Docker Prometheus Grafana

Full Stack Developer & Backend Lead

Epikdoc · Sep 2024 - July 2025

Led backend architecture and system design for a healthcare CRM and AI-based dental X-ray analysis platform. Focused on scalable API design, secure medical data handling, and AI-assisted diagnostics integration.

Architected backend services using FastAPI, improving clinical workflow efficiency by ~30%
Integrated AI-powered X-ray analysis system, reducing diagnostic turnaround time by ~25%
Optimized relational database schema and queries, reducing load time by ~40%
Built frontend interfaces using React/Next.js and deployed on GCP and DigitalOcean

Python FastAPI React Next.js MySQL GCP DigitalOcean

Backend & MERN Stack Developer

Hysus · July 2023 - Jan 2024

Worked on multiple backend services and full-stack applications, contributing to scalable API development and frontend feature delivery using both Python and MERN stack technologies.

Developed RESTful APIs using Django and FastAPI for production applications
Built and maintained MERN stack applications with authentication and authorization
Reduced backend bugs by ~20% through improved validation and error handling
Improved database performance via indexing and schema optimization on MongoDB and MySQL

Python Django FastAPI Node.js Express MongoDB MySQL React

Backend Developer

Srijcon · Jun 2022 - Jun 2023

Contributed to backend architecture and frontend integration for a scalable social media platform. Focused on API performance, database design, and deployment workflows.