You will get Full Stack Developer | React.js | React Native | Web & Mobile App
Project details
Build a high-performance web or mobile application with React.js and modern full-stack technologies. I develop responsive, scalable, and user-friendly applications with clean code, fast performance, seamless API integration, and intuitive UI/UX. Whether you need a business platform, SaaS application, dashboard, or custom solution, I deliver secure, production-ready apps built for growth.
Programming Languages
HTML & CSS, JavaScript, TypeScriptWhat's included
| Service Tiers |
Starter
$2,500
|
Standard
$5,000
|
Advanced
$10,000
|
|---|---|---|---|
| Delivery Time | 7 days | 15 days | 30 days |
Number of Revisions | 1 | 3 | 5 |
Number of Pages | 5 | ||
Design Customization | |||
Content Upload | - | - | - |
Responsive Design | |||
Source Code |
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KK
Kenny K.
Mar 30, 2022
Mobile Site Optimization
JG
Jeff G.
May 5, 2014
Buyer rebate calculator and all fixes.
Great work on a very complicated job!
JG
Jeff G.
Apr 12, 2014
WordPress Calculator with various if/then scenarios
Rohail Malhi exceeded my expectations and the deadline for the project. He not only did the work, but offered my some valuable advice to make the project better.
CM
C A M.
Apr 8, 2014
gift card phone numbers
fast and high quality as usual
CH
Colin H.
Jan 24, 2014
CSS for Drop Down
Excellent CSS work.
About Rohail
Full Stack Dev: FastAPI | Multi-Agent | RAG | LLM | Prod-Ready Systems
Lahore, Pakistan - 5:05 pm local time
With 11+ years of backend engineering experience, I specialize in AI/LLM applications, multi-agent workflows, Retrieval-Augmented Generation (RAG), FastAPI, PostgreSQL, and AWS. I focus on building reliable, secure, scalable systems not prototypes that break under real-world usage.
What I Build
• AI SaaS products and AI MVPs
• Agentic AI and multi-agent systems
• AI agents, copilots, and intelligent automation
• Enterprise RAG and knowledge-base systems
• FastAPI backends, REST APIs, GraphQL, and microservices
• Multi-tenant SaaS platforms
• Real-time AI applications and streaming workflows
• AI integrations with existing products and business systems
AI & LLM Expertise
I work with OpenAI, Claude, Gemini, LangGraph, LangChain, and LlamaIndex to build practical AI systems using:
• RAG, semantic search, hybrid search, and vector databases
• Embeddings and document processing pipelines
• Tool/function calling and structured outputs
• LLM orchestration and agent workflows
• Prompt engineering and evaluation
• Semantic caching, model routing, and AI cost optimization
• Human-in-the-loop and deterministic workflows
Selected Experience
Real-Time AI Meeting Intelligence Built asynchronous FastAPI pipelines combining transcription, streaming RAG, and multi-agent workflows to deliver AI insights within seconds.
Enterprise AI Decision Platform Developed AWS-based multi-agent systems for operational analytics, forecasting, and automated decision workflows.
Automotive & IoT AI Platform Built an AWS data and ML platform integrating enterprise and IoT data for predictive maintenance, battery analytics, and real-time insights.
Healthcare AI Infrastructure Automated AWS infrastructure with Terraform, reducing provisioning from hours to 10–15 minutes and cloud costs by approximately 40%, while supporting 99.9% uptime.
Backend, Cloud & Data
Python, FastAPI, Async Python, PostgreSQL, MongoDB, REST APIs, GraphQL, Microservices, Event-Driven Architecture, AWS, Docker, Kubernetes, Terraform, EKS, SageMaker, Elasticsearch, Pinecone, Milvus, Vector Databases.
I can work across the complete AI stack from architecture and LLM orchestration to backend APIs, databases, cloud infrastructure, deployment, monitoring, and optimization.
If you're building an AI SaaS, AI agent, RAG application, FastAPI backend, enterprise AI platform, or scalable cloud system, send me your requirements, repository, or architecture.
I will give you a clear technical direction and the most practical path from idea to working product.
Let's build and ship something users can actually use.
Steps for completing your project
After purchasing the project, send requirements so Rohail can start the project.
Delivery time starts when Rohail receives requirements from you.
Rohail works on your project following the steps below.
Revisions may occur after the delivery date.
We'll review your project requirements
define the scope, and finalize the development plan.