Abu Sayed
👋

I'm Abu Sayed. I'm a Senior Full Stack Python Developer with 5+ years of experience in Django, Flask, FastAPI & Node.js, React/Next.js, andSaaS & AI. I design and deliver scalable web and desktop applications, automation workflows, scraping solutions, and production-ready systems from backend architecture and REST APIs to frontend interfaces and deployment.

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About me

Full Stack Python Developer with 5+ years of experience designing and delivering scalable SaaS platforms and web applications. Specialized in Django, FastAPI, REST APIs, PostgreSQL, Node.js, React, and Next.js. Experienced in production-ready systems, AI integration, and backend architecture for high-performance applications.

Strong track record of end-to-end delivery from design through deployment and maintenance. Scaled 45+ SaaS platforms for 70+ international clients with 1M+ monthly API volume; maintained 99.9% uptime on production systems. Focus on Agile delivery, code quality, and technical documentation.

Project Showcase

Pidoca — AI Document Chat Platform

Developed an AI-powered SaaS platform that allows users to chat with documents such as PDF, DOCX, XLSX, and TXT. Implemented document parsing and vector search pipelines enabling contextual AI responses across 10K+ processed documents. Integrated OpenAI APIs for intelligent question answering with under-2s average response time. Designed 8+ scalable backend APIs for document ingestion, embedding generation, and query processing. Optimized retrieval and response pipeline improving query performance by 35%. Tech stack: Django for backend development, OpenAI API for AI responses, vector database for semantic search, PostgreSQL for structured data, Docker for containerization, and Nginx for production deployment.

  • Python
  • Django
  • OpenAI
  • Vector Search
  • PostgreSQL
  • Docker
  • Nginx
  • AI/LLM
  • SaaS
  • Document AI
  • REST APIs

Risebot — AI Automation Platform

Piloted a platform enabling 100+ automated AI bots and 500+ workflow runs/month. Defined backend services for 3 core entities (tasks, triggers, pipelines) and 5+ integration types. Set up 12+ API endpoints for bot orchestration and third-party integrations. Tuned performance to under-500ms for real-time task execution. Tech stack: Django for the backend, React.js for the frontend, FastAPI for high-performance APIs, PostgreSQL for database management, Celery for background tasks, Docker for containerization, and Nginx for production deployments.

  • Python
  • Django
  • React.js
  • FastAPI
  • PostgreSQL
  • Celery
  • Docker
  • Nginx
  • AI/LLM
  • Automation
  • REST APIs

Brainytica — AI Multi-Tools Platform

Developed an AI-powered multi-tool platform providing chatbot, image generation, music generation, video generation, and code generation capabilities. Integrated multiple AI APIs to support real-time content generation for diverse use cases. Designed scalable backend architecture supporting thousands of AI requests and multi-tool workflows. Implemented secure API services and optimized response pipelines for fast AI interactions. Tech stack: Django for backend services, React.js for frontend interface, OpenAI APIs for AI capabilities, PostgreSQL for data management, Docker for containerized deployments, and Nginx for production infrastructure.

  • Python
  • Django
  • React.js
  • OpenAI
  • PostgreSQL
  • Docker
  • Nginx
  • AI/LLM
  • SaaS
  • AI Tools
  • REST APIs

E-commerce Website with Django & React.js

I built a feature-rich e-commerce website utilizing Django for the backend and React.js for the frontend. The application includes user authentication, comprehensive product management, shopping cart functionality, secure payment integration, and an intuitive admin dashboard. Designed with scalability in mind, it supports order tracking, user reviews, and dynamic category browsing.

  • Django
  • React.js
  • E-commerce
  • Web Development

Crypto Trading Bot with Python & Kivy

I built a crypto trading bot using Python and Kivy for the UI. The bot automates crypto trades, integrates with exchange APIs, and features a real-time dashboard for monitoring trades easily from a cross-platform desktop app.

  • Python
  • Kivy
  • Crypto
  • Trading Bot
  • Automation

My skills

My experience

Client Testimonials

"Working with Abu was a game-changer for our project. His technical expertise and ability to solve complex problems efficiently saved us countless hours. The solutions he implemented were not only effective but also scalable for our future growth."

Sarah Johnson

CTO at TechStart Inc.

Contact me

Please contact me directly at [email protected], at +880 1735 593444, or through this form. Dinajpur, Bangladesh.