Web Development
Custom modern web applications built with Next.js, React, and Remix. Fast, responsive, and SEO-ready with seamless user experience.
- Next.js
- React.js
- Remix
- JavaScript
- TypeScript
- Tailwind / CSS
Available for web, backend & Meta Ads work
Full Stack Developer & Facebook Ads Specialist
I build production web platforms — Django and FastAPI backends, React and Next.js front-ends — and run the Meta Ads campaigns that bring them customers. 9,000+ hours delivered for enterprise clients on Upwork.
- Upwork Hours
- 9,000+
- Top-Rated Badge
- Years Experience
- 8+
- Web, Backend & Ads
- Job Success
- 100%
- Client Rating
- Countries Served
- 20+
- Global Clients
01Services
One engineer for the whole build
From database schema and APIs to the interface your customers actually touch — and the paid campaigns that fill the funnel.
Backend Development
High-performance server architecture, secure REST & GraphQL APIs, WebSockets, background tasks, and microservices.
- Python
- Django
- Django REST
- FastAPI
- Celery
- Channels
Facebook & Meta Ads
High-ROAS Meta advertising campaigns, full-funnel strategy, Meta Pixel & Conversions API (CAPI) server tracking, custom audience retargeting, and creative A/B testing.
- Facebook Ads Manager
- Meta Pixel & CAPI
- Audience Retargeting
- Ad Creatives & Copy
- ROAS Optimization
- A/B Testing
Databases & Cloud
Scalable database schema design, indexing, Redis caching for instant speeds, and production AWS cloud deployments.
- PostgreSQL
- MySQL
- MongoDB
- Redis
- AWS EC2/S3
- Docker
Chatbot Development
Custom AI chatbots, intelligent conversational agents, LLM integrations (OpenAI, Claude), and automated bots for Telegram and WhatsApp.
- Python
- FastAPI
- OpenAI / LLMs
- LangChain
- Telegram Bot API
- WebSockets
02Selected work
Production systems, not demos
Three platforms I architected and shipped end-to-end — database, API, front-end and deployment.
Full System Developed by Me
Kacha Bazar
Online Grocery E-Commerce Platform
Full-featured online grocery shopping platform modeled after Bangladesh's premier delivery services. Built with dynamic category navigation, live search, instant slide-out cart drawer, automated CSV importer with real-time SSE progress metrics, and 1-hour express delivery logistics.
- Python Django
- Vanilla JS
- SSE Live Stream
- PostgreSQL
- Full-Stack
Full System Developed by Me
Chotomoni.com
Full Stack E-Commerce Platform
High-speed production e-commerce website with responsive store UI, dynamic product catalog, cart, and payment integration.
- Python Django
- Django REST
- React / Next.js
- PostgreSQL
- Redis
- AWS
Full System Developed by Me
OrderNotify Redhok
Real-Time SaaS & Webhook Dispatch Platform
Real-time order notification and event-driven automation platform connecting store webhooks to instant alerts.
- FastAPI
- Django
- WebSockets
- Redis Pub/Sub
- Celery
- AWS EC2
03Track record
Where I've done the work
-
2017 - Present Freelance
Full Stack & Backend Developer (Top-Rated)
Upwork
- Completed 9,000+ hours with Top-Rated badge delivering full stack web applications and backend systems.
- Built custom APIs, database architectures, and web platforms for global clients and large enterprises.
- Maintained 100% client satisfaction and long-term retainer partnerships.
-
May 2025 - July 2026 Full-time
Python Developer
Rayobyte · Lincoln, Nebraska, USA
- Built scalable data collection frameworks and scrapers for dynamic JavaScript-rendered websites.
- Handled anti-bot protection (Cloudflare, Akamai), proxy rotation, and automated data pipelines.
-
May 2023 - Oct 2023 Full-time (Remote)
Python Developer / Web Scraper
Wiser Solutions, Inc.
- Maintained and developed enterprise scrapers and data ingestion pipelines.
- Fixed production bugs and ensured 99.9% data reliability for competitor price tracking.
04Recommendation
Verified
Client recommendation
“Farhan was outstanding from beginning to end. He communicated clearly, met every deadline without fail, and delivered top-notch work with precision and consistency—like clockwork. Extremely reliable and professional. I would be happy to work with him again in the future.”
05Toolkit
The stack I reach for
Boring, proven tools where reliability matters — picked for how they behave in production, not how they look on a slide.