01 · Idea to launch
MVP development, from scratch
"I have an idea, but no product yet."
Only the features that prove the idea, built and launched properly.
Done before: DrayToDock · launched on time.
Hi, I'm Papan. You'll work with me directly. Papan Sarkar · Full-stack Python/Django & AI engineer You bring the problem.
I build the software that solves it.
New products, AI features, and fixes for stalled projects. 6+ years, 80+ products shipped.
80+products shipped
45+five-star reviews
10+industries
Top Ratedon Upwork
Clients in the US, Singapore, Europe and India
How I can help
What I build, and how
02 · AI that works in production
AI & LLM integration
"Our AI feature works in the demo, not with real users."
Accurate, repeatable answers, grounded in your data.
Done before: GyanBeej · 500+ students, 95% success.
03 · Codebase rescue
Codebase rescue & performance
"Nothing ships anymore, and our developer left."
A plain-English audit, then I fix what blocks your releases.
Done before: Pitchline.ai · author of drf-prefetch-hint.
04 · Automate the busywork
Workflow automation & internal tools
"We run the business on spreadsheets and reminders."
Repetitive checks run themselves. People only step in when needed.
Done before: FleetDrive 360 · Iron Fort.
How we'd work
You always know what's done and what's next.
- 1A short conversation
You explain, I ask questions.
discovery - 2A written plan
Scope, cuts, timeline.
scope · architecture · estimate - 3Build in small steps
Real progress you can click.
iterations · staging previews - 4Launch and hand over
Live, documented, yours.
deploy · docs · tests
Selected work
What was broken, and what I built to fix it
Logistics · Lead architect
FleetDrive 360
DOT compliance tracked by hand.
Driver records & documentsCompliance rules check them dailyAlerts + live fleet dashboard
Django · React · PostgreSQL · AWS EdTech · AI backend
GyanBeej
Needed textbook-accurate AI answers.
Student asks a questionMatching NCERT chapter is pulled inAI answers from that chapter
500+students
95%success rate
Healthcare · Django
Iron Fort
HIPAA compliance ran on spreadsheets.
Encryption, MFA, access controlsMonitored 24/7, AI scores the riskOne-click audit package
Django · React · AI risk scoring 20+more client projects → What clients say
"Very, very, very talented developer! I recommend Papan for anything that comes to Django. He goes above and beyond expectations."
"Papan is an extraordinary developer. His dedication and skills helped us launch our logistics platform on time."
"Papan did an excellent job on a highly technical task. Finished all work right away and without complications."
Who you'll be talking to
A real person, not a sales team.
The engineer you message is the one who builds it.
Papan SarkarKolkata · IST (UTC+5:30)
Example chatHi Papan, we need an app built.
Happy to help. Who's it for?
From the blog
Latest writing
The AI Productivity Paradox: More Starts, Fewer Finishes Claude Code vs Codex: How I Use Both on One Repo Django's Built-In CSP: What 6.0 Shipped and 6.1 Fixed
Also: a free AI course, other courses, and open source like drf-prefetch-hint.
What do you need built?
A few lines is enough.
