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I architect
software
that scales.

5+ years building scalable SaaS platforms, AI-driven products, and compliance systems. From Django backends to React frontends — I ship production-ready software that drives real ROI.

View case studies → Let's talk
60+
Projects shipped
5+
Years experience
45+
Fiverr & Upwork 5★ reviews

What I do

Build. Write. Teach.

⚡
Build

Full-stack consulting & freelance development. SaaS, AI products, compliance systems — shipped for clients across US, Europe & Asia.

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✍️
Write

Deep dives on Django, AI engineering, and lessons from building production systems. Honest, practical writing from the trenches.

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🧠
Teach

A free interactive AI course — 18 bite-sized lessons, quizzes, and progress tracking. From complete beginner to expert concepts.

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Selected work

Projects I've built

A snapshot of key products. Click any card to see the full portfolio.

Live · EdTech
GyanBeej
AI learning assistant for NCERT/CBSE students. Built the backend with Django + MongoDB and context-aware AI workflows for scalable student support.
DjangoMongoDBLLM APIsReactAWS
gyanbeej
AI-Powered Learning Platform
500+ Students
95% Success Rate
24/7 AI Support
 Fleet · Compliance
FleetDrive 360
FMCSA/DOT Compliance SaaS
FleetDrive 360
Fleet compliance SaaS with DOT tracking, driver qualification workflows, and operational alerting.
DjangoReactAWSPostgreSQL
AI Voice · Consulting
Pitchline.ai
Technical Consultant
Pitchline.ai
Worked as Technical Consultant across backend, frontend, and architecture to unblock delivery and align engineering decisions with product goals.
Technical ConsultantSystem DesignDjangoReact
View full portfolio →

From the blog

Latest writing

All posts
SaaS Development · 8 minutes
The SaaS Backend Checklist Every Startup Founder Needs

A comprehensive SaaS backend checklist startup founders must follow to avoid technical debt and build a scalable product. Papan Sarkar guides you through architecture, security, and deployment best practices.
Engineering · 8 min read
Django REST Framework vs FastAPI: Which Should You Choose?

A strategic guide for CTOs comparing Django REST Framework vs FastAPI for high-performance SaaS applications and microservices.
automation · 10 min read
How to Automate Blog Publishing with Make.com, Gemini AI, and GitHub Pull Requests

A step-by-step guide to automating blog post publishing on Astro sites using Make.com, Google Gemini AI (free), and GitHub PRs — zero cost, full control.
Free · Interactive · 18 lessons

Learn AI.
At your own pace.

A free interactive course covering AI from scratch — what it is, how to use it, and how it works under the hood. Three levels, quizzes, and progress tracking. No signup required.

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3
Levels
Beginner → Expert
18
Lessons
Bite-sized, focused
72
Quiz questions
Test your knowledge

Client feedback

What clients say

Real reviews from clients I've partnered with across SaaS, logistics, and AI.

"Very, very, very talented developer! I recommend Papan for anything that comes to Django. He goes above and beyond expectations."

Sam Mcnaull
Ironfort

"Papan did an excellent job on a highly technical task. Finished all work right away and without complications. I highly recommend working with him."

Ben
EarthQube

"Papan is an extraordinary developer. His dedication and skills helped us launch our logistics platform on time. Outstanding results every single time."

Bikramjit Singh
DrayToDock

Let's work together

Have a project
in mind?

I'm open to full-stack contracts, consulting, and technical leadership roles globally. Let's turn your idea into a production-ready product.

Send me a message → See full portfolio
LinkedIn GitHub papan@yestoideas.com Kolkata, West Bengal, India