You will get Scalable FastAPI & NestJS Backend API Development
Project details
Build a high-performance, secure, and scalable backend with FastAPI and NestJS designed for modern web applications, SaaS platforms, AI solutions, and enterprise software. I develop production-ready REST APIs, GraphQL services, microservices, authentication systems, and database architectures that deliver speed, reliability, and seamless integrations.
✅ Custom FastAPI & NestJS Development
✅ REST API & GraphQL API Development
✅ Microservices Architecture & Backend Systems
✅ JWT, OAuth & Role-Based Authentication
✅ Database Design & Query Optimization
✅ Third-Party API Integration & Webhooks
✅ Cloud-Ready, Secure & Scalable Architecture
✅ API Documentation, Testing & Deployment
📈 Business Impact:
✔ Improve API response speed by up to 50%
✔ Support 5x higher traffic with scalable architecture
✔ Reduce backend processing time by 40%+
✔ Achieve 99.9% API reliability for production systems
✅ Custom FastAPI & NestJS Development
✅ REST API & GraphQL API Development
✅ Microservices Architecture & Backend Systems
✅ JWT, OAuth & Role-Based Authentication
✅ Database Design & Query Optimization
✅ Third-Party API Integration & Webhooks
✅ Cloud-Ready, Secure & Scalable Architecture
✅ API Documentation, Testing & Deployment
📈 Business Impact:
✔ Improve API response speed by up to 50%
✔ Support 5x higher traffic with scalable architecture
✔ Reduce backend processing time by 40%+
✔ Achieve 99.9% API reliability for production systems
Programming Languages
HTML & CSS, JavaScript, TypeScriptCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, SecurityWhat's included $169
These options are included with the project scope.
$169
- Delivery Time 3 days
- Number of Revisions 3
About Muhammad Abubakar
AI Engineer | RAG | LangChain | OpenAI | Python | FastAPI | NestJS
Faisalabad, Pakistan - 3:22 am local time
I help startups, SaaS companies, and enterprises build AI-powered applications, intelligent agents, workflow automation platforms, and scalable full-stack software that reduce manual work, improve efficiency, and accelerate business growth.
I specialize in transforming ideas into production-ready AI products by combining LLMs, RAG, AI Agents, LangChain, OpenAI APIs, FastAPI, NestJS, React, and modern cloud technologies. Whether it's building AI assistants, enterprise automation, semantic search systems, or SaaS platforms, my focus is always on delivering scalable, secure, and business-driven solutions.
✔ Delivered 20+ AI and Full Stack Applications
✔ Reduced operational workload by 70% through AI automation
✔ Built production-ready RAG & AI Agent solutions
✔ Experience across Healthcare, SaaS, Finance, Real Estate, Education & E-Commerce
✔ Strong background in AI Engineering, Backend Architecture, and Modern Web Development
━━━━━━━━━━━━━━━━━━━━
▸ 𝗪𝗛𝗔𝗧 𝗜 𝗕𝗨𝗜𝗟𝗗
━━━━━━━━━━━━━━━━━━━━
◆ AI Agents & Agentic AI Systems
◆ LLM Applications
◆ AI Chatbots & AI Assistants
◆ Retrieval-Augmented Generation (RAG)
◆ Semantic Search & Vector Search
◆ LangChain & LangGraph Solutions
◆ OpenAI & Custom AI Integrations
◆ AI Workflow Automation
◆ Document Intelligence Platforms
◆ Knowledge Base Systems
◆ Enterprise AI Solutions
◆ Full Stack SaaS Platforms
◆ REST APIs & GraphQL APIs
◆ Microservices Architecture
◆ CRM & ERP Platforms
◆ Secure Authentication Systems
━━━━━━━━━━━━━━━━━━━━
▸ 𝗖𝗢𝗥𝗘 𝗧𝗘𝗖𝗛 𝗦𝗧𝗔𝗖𝗞
━━━━━━━━━━━━━━━━━━━━
→ Languages
Python
TypeScript
JavaScript
C#
→ AI Engineering
OpenAI APIs
LangChain
LangGraph
Retrieval-Augmented Generation (RAG)
LLMs
Generative AI
AI Agents
Agentic AI
Prompt Engineering
Semantic Search
Vector Search
Vector Databases
AI Workflow Automation
Function Calling
Tool Calling
AI API Development
→ Backend
FastAPI
NestJS
ASP.NET
REST APIs
GraphQL
JWT Authentication
OAuth
Microservices
API Integrations
→ Frontend
React
Next.js
TypeScript
Material UI
Responsive UI Development
→ Databases
PostgreSQL
MongoDB
SQL Server
Supabase
Qdrant
Vector Databases
→ Architecture
Scalable Backend Systems
Enterprise APIs
Cloud-Ready Applications
Third-Party API Integration
AI Infrastructure
System Design
━━━━━━━━━━━━━━━━━━━━
▸ 𝗜𝗡𝗗𝗨𝗦𝗧𝗥𝗜𝗘𝗦 𝗦𝗘𝗥𝗩𝗘𝗗
━━━━━━━━━━━━━━━━━━━━
◆ SaaS
◆ Healthcare
◆ Finance & FinTech
◆ Real Estate
◆ Education
◆ E-Commerce
◆ Logistics
◆ Customer Support
◆ Business Automation
◆ Enterprise Software
━━━━━━━━━━━━━━━━━━━━
▸ 𝗪𝗛𝗬 𝗖𝗟𝗜𝗘𝗡𝗧𝗦 𝗖𝗛𝗢𝗢𝗦𝗘 𝗠𝗘
━━━━━━━━━━━━━━━━━━━━
✔ AI-first development approach
✔ Business-focused solutions with measurable ROI
✔ Clean, scalable, and maintainable architecture
✔ Production-ready AI applications
✔ Strong communication and transparent progress updates
✔ Fast delivery without compromising quality
✔ Secure authentication and enterprise-grade APIs
✔ Long-term support and collaboration
✔ Modern development standards and best practices
━━━━━━━━━━━━━━━━━━━━
▸ 𝗥𝗘𝗖𝗘𝗡𝗧 𝗪𝗜𝗡𝗦
━━━━━━━━━━━━━━━━━━━━
◆ Built AI assistants capable of answering thousands of knowledge base queries using RAG and vector search.
◆ Developed AI workflow automation systems that reduced repetitive business processes by 70%.
◆ Designed scalable REST and GraphQL APIs supporting enterprise-level applications.
◆ Implemented semantic search using vector databases to improve document retrieval accuracy.
◆ Built production-ready AI SaaS applications with secure authentication, role-based access control, and modern React frontends.
◆ Delivered scalable backend systems using FastAPI, NestJS, PostgreSQL, MongoDB, and Supabase.
If you're looking for an AI Engineer who understands both Artificial Intelligence and Full Stack Software Development, I can help you build reliable, scalable, and production-ready solutions that solve real business problems.
Whether you need an AI Agent, RAG application, chatbot, workflow automation, or a complete SaaS platform, I'm ready to help bring your idea to life.
Let's build intelligent software that automates work, improves productivity, and delivers measurable business results.
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➤ 𝗞𝗘𝗬𝗪𝗢𝗥𝗗𝗦
━━━━━━━━━━━━━━━━━━━━
AI Engineer, Full Stack AI Developer, Generative AI, LLM Applications, AI Agents, Agentic AI, OpenAI API, ChatGPT API, LangChain, LangGraph, RAG, Retrieval-Augmented Generation, AI Chatbot Developer, AI Assistant, Prompt Engineering, Semantic Search, Vector Search, Vector Database, Qdrant, FastAPI, NestJS, ASP.NET, Python Developer, React Developer, Next.js, TypeScript, GraphQL, REST API, JWT, OAuth, PostgreSQL, MongoDB, SQL Server, Supabase, Enterprise AI, AI Workflow Automation, AI Integration, SaaS Development, Full Stack Development, Microservices, API Development
Steps for completing your project
After purchasing the project, send requirements so Muhammad Abubakar can start the project.
Delivery time starts when Muhammad Abubakar receives requirements from you.
Muhammad Abubakar works on your project following the steps below.
Revisions may occur after the delivery date.
Client purchases the project and sends requirements.