Osaf Ali Sayed

@osafalisayed

Full Stack AI Developer Python, Django, Flask, FastAPI

India
Urdu, Hindi, English
About me
With 1.5 years of experience, I help startups and businesses turn complex tech challenges into smooth, production-ready solutions. Don’t just take my word for it - explore my profile to see the results I’ve delivered. - I’ve worked as a software engineer at Zenduty, where I have created 10+ DRF endpoints, Improved API speeds by 75%, reduced test runtimes by 60%, and built reusable frontend components using ShadCN. Now I help people push off their business or build their application from scratch in python.... Read more

Skills

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osafalisayed
Osaf Ali Sayed
Offline • 

See my services

Automations & Agents
I will be your n8n automation specialist
From$75 / projectMore details
Full Stack Web Applications
I will build a full stack web app using supabase and react
From$80 / projectMore details

Portfolio

Work experience

Full Stack Developer | Team Lead

Ecomlytix • Freelance

Aug 2025 - Present • 9 mos

- Built the entire application from scratch using Next.js and Nest.js, ensuring a modular, scalable, and maintainable architecture - Designed and implemented RESTful APIs with Nest.js, integrating PostgreSQL databases for reliable data flow and performance. - Configured and deployed infrastructure on DigitalOcean Droplets, managing Nginx, SSL (Certbot), and environment setup for production and staging environments. - Set up CI/CD pipelines using GitHub Actions to automate testing, building, and deployment of both frontend and backend services. - Implemented secure environment variable management and CORS policies to streamline communication between microservices. - Designed and optimized database schemas for performance and scalability using PostgreSQL. Automated daily scheduler jobs using BullMQ for backend data synchronization and updates. - Managed Domain, DNS, and HTTPS configuration for seamless frontend–backend integration.

Software Engineer

Zenduty • Full-time

Dec 2024 - Jul 2025 • 7 mos

- Built serializers, viewsets and endpoints in Django and Django REST Framework powering 10+ interactive dashboard features. - Minimized database hits through query optimization, improving API response times by 75%. - Developed reusable Ant Design components to display key data for sales and technical teams. - Created a custom scheduler to run tests sequentially, and parallelly, reducing the overall runtime by 60%. - Enhanced Zenduty website reliability by developing a comprehensive PyTest and Cypress suite. Used daily by 8+ developers and QA engineers for code validation.

Python Developer

Algo Financials • Full-time

Jul 2022 - Dec 2022 • 5 mos

- Launched an asynchronous API utilizing FastAPI and MongoDB, accelerating data processing speeds by 90% compared to previous synchronous systems, reducing server latency by 30 milliseconds. - Established seamless connectivity between FastAPI and MongoDB using Pydantic and Beanie. - Implemented 15 new API endpoints, controller and services for enhanced data querying capabilities. - Orchestrated the refactoring of order history storage using Redis, accelerating query response times by 75% and enabling faster retrieval of customer purchase information for support teams.