Available for new projects

Senior Full
Stack
Developer.

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 bring

Core expertise

A full-stack toolkit honed across SaaS, compliance, AI, and e-commerce products for clients worldwide.

🐍
Backend Engineering
Python, Django, DRF, FastAPI, Node.js — scalable APIs and microservices
⚛️
Frontend Development
React, Vue.js, HTML/CSS — responsive, accessible, performant UIs
☁️
Cloud & DevOps
AWS, Docker, GitHub Actions — CI/CD pipelines and cloud deployments
🤖
AI Integration
LLM APIs, context-aware pipelines, AI-powered SaaS products
🗄️
Databases
PostgreSQL, MongoDB, Redis — multi-tenant schemas and async queues
👥
Team Leadership
Sprints, code review, mentoring — led a 5-member team at Yestoideas

Selected work

Projects I've built

Production-grade applications across EdTech, FinTech, logistics, fleet management, and more.

Live · EdTech
GyanBeej
AI learning assistant for NCERT/CBSE students. Built the entire backend from scratch — Django + MongoDB — with context-aware LLM pipelines that support thousands of concurrent student queries with sub-second latency.
DjangoMongoDBLLM APIsReactAWS
gyanbeej
AI-Powered Learning Platform
500+ Students
95% Success Rate
24/7 AI Support
FinTech
FinAI
Finance is Intelligent
FinAI Platform
Crypto finance platform with tokenomics, roadmap, and smart trading integration. Dark-themed, high-impact landing with full funnel.
ReactWeb3Django
Logistics
DrayToDock
Freight management platform
DrayToDock
Warehouse & freight matching platform with OTP auth, service-type filtering, file uploads, and real-time quote requests.
DjangoReactPostgreSQLTwilio
SaaS · VoIP
ePhone
VoIP calling app
ePhone VoIP App
Web-based phone application with dialpad UI, call credits, country code selection, and real-time billing dashboard.
ReactTwilioDjangoStripe
Fleet · Compliance
FleetDrive 360
FMCSA/DOT Compliance SaaS
FleetDrive 360
Fleet compliance SaaS platform for US trucking companies — driver qualification files, DOT compliance tracking, and automated alerts.
DjangoReactAWSPostgreSQL

Career

Experience

From freelancing on Fiverr to leading engineering teams — a track record of shipping at every level.

Oct 2024 – Present
Gyanbeej
Backend Engineer · Django, AI · Remote
Built the entire backend from scratch using Django + MongoDB, enabling scalable AI-driven question-answering for students. Developed context-aware API workflows and optimized data pipelines for high-performance AI interactions.
DjangoMongoDBLLMFastAPI
Feb 2022 – Present
Yestoideas
Co-Founder & Development Manager · Kolkata
Co-founded and scaled a web development agency delivering 30+ production-grade applications across SaaS, compliance, and analytics. Led a 5-member team with 95% client satisfaction. Architected multi-tenant backend systems with Django, PostgreSQL, Redis, and Celery.
DjangoPostgreSQLRedisCeleryTeam Lead
Sep 2025 – Dec 2025
Pitchline
Technical Consultant · Full Stack, AI Voice Agent · Remote
Provided technical guidance and architectural direction across backend, frontend, and infrastructure. Resolved blockers related to APIs, database structuring, deployments, and performance — aligned technical decisions with product goals.
DjangoReactSystem DesignAI Voice
Jun 2023 – Apr 2024
Total Recall (USA)
Development Manager · Remote
Directed full lifecycle of a mass-messaging SaaS platform for global emergency communication. Architected backend with Django REST + Celery supporting 100K+ concurrent messages under 1-second latency. Managed sprint delivery and deployment pipelines with AWS, Docker, and GitHub Actions.
Django RESTCeleryAWSDocker
Feb 2019 – Jan 2024
Fiverr (Freelance)
Full Stack Developer · Level-2 Seller
Delivered 60+ projects with 5-star ratings across SaaS, e-commerce, dashboards, and automation tools. Specialized in Django/React systems with REST API integrations and responsive design.
DjangoReactREST APIs60+ Projects
Jun 2021 – Oct 2021
Preflet (Portugal)
Frontend Developer · Remote
Collaborated with international teams to implement React-based frontends for SaaS dashboards. Optimized component rendering and API integration for improved UI performance and scalability.
ReactSaaSAPI Integration
Jan 2021 – Apr 2021
Pikkal (Singapore)
Full Stack Developer · Remote
Enhanced the company's marketing platform using Django and Vue.js. Focused on brand consistency, campaign automation, and data visualization modules.
DjangoVue.jsMarketing Tech

Client feedback

What clients say

Real reviews from clients I've partnered with across SaaS, logistics, e-commerce, and more.

"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

"Working with Papan has been a game-changer. He built our financial services app from the ground up with incredible speed and quality."

Pijush Sarkar
Finncoin

"Papan delivered the project ahead of schedule and the quality exceeded my expectations. Great communication throughout — highly recommend."

Matthew
Igo Social

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 Instagram WhatsApp papan@yestoideas.com Kolkata, West Bengal, India