With a proven track record in software engineering and AI/ML development, I deliver innovative technical solutions that drive business value and enhance operational efficiency.
🔹 My Services:
🤖 AI/ML Solutions Development:
- Custom AI agent development using cutting-edge frameworks including LangChain, LlamaIndex, and Transformers
- Machine learning model implementation, fine-tuning, and optimization
- Generative AI applications and advanced NLP solutions
- End-to-end ML pipelines from data processing to production deployment
- Expertise with latest LLM technologies (GPT-4o, Claude 3.5 Sonnet, Llama 3, Mistral) and efficient deployment strategies
- RAG implementations with vector databases for enhanced retrieval capabilities
- Agentic frameworks including LangGraph, AutoGen, and function calling
💻 Full-Stack Development:
- Robust backend systems using Python, Django, and Node.js
- Responsive frontend interfaces with React, Next.js, and modern JavaScript frameworks
- RESTful API design and implementation
- Database architecture and optimization (SQL and NoSQL)
🏢 Enterprise Software Solutions:
- Scalable architecture design for high-performance applications
- Legacy system modernization and integration
- Cloud-based infrastructure implementation (AWS, Azure, GCP)
- DevOps and continuous integration/deployment pipelines
🔹 Notable Projects:
🏥 Healthcare AI Assistant
Developed an AI-powered clinical documentation assistant that reduced physician documentation time by 45%. Built using LangChain with GPT-4, integrated with FHIR APIs, and deployed on AWS with strict HIPAA compliance. Implemented robust memory and retrieval mechanisms to maintain context throughout patient interactions.
📊 Sentiment Analysis NLP Engine
Created a sophisticated sentiment analysis system for a major e-commerce platform that processed 50,000+ customer reviews daily with 92% accuracy. Utilized fine-tuned BERT models and implemented a custom classification pipeline that identified product improvement opportunities, directly contributing to a 15% increase in customer satisfaction metrics.
⚙️ Predictive Maintenance ML System
Engineered a machine learning solution for industrial equipment that predicted failures 72 hours in advance with 88% accuracy. Designed and implemented data pipelines, feature engineering, and model deployment on Azure. The system reduced downtime by 35% and maintenance costs by $2.3M annually.
🎓 E-Learning Platform
Built a comprehensive online learning management system using Django, React, and PostgreSQL. Implemented real-time video conferencing, interactive assessment tools, and analytics dashboards. The platform scaled to 20,000+ users with 99.9% uptime and reduced course creation time by 60%.
💰 Financial Dashboard Application
Developed a real-time financial analytics dashboard for investment professionals using Node.js, Express, and Angular. Integrated with multiple financial data APIs and implemented complex data visualization components. The application processed 5M+ data points daily while maintaining sub-second response times.
🔹 Technical Expertise:
⭐ AI/ML: LLMs, Generative AI, Machine Learning, NLP, Python ML frameworks (TensorFlow, PyTorch)
⭐ Backend: Python, Django, Node.js, Java, REST APIs
⭐ Frontend: React, Angular, JavaScript/TypeScript, HTML/CSS
⭐ Database: SQL, NoSQL, data modeling, performance optimization
⭐ Cloud: AWS, Azure, GCP, containerization, microservices
⭐ DevOps: CI/CD, Docker, Kubernetes, infrastructure as code
I combine technical excellence with business understanding to deliver solutions that not only meet specifications but exceed expectations. Whether you need a sophisticated AI implementation, a robust full-stack application, or strategic technical consultation, I'm committed to bringing your vision to reality with quality, efficiency, and innovation.
Full-Stack Development
Back-End Development
TypeScript
Node.js
React
Next.js
Amazon Web Services
Cloud Development
Database
PostgreSQL
AI Agent Development
Machine Learning
Large Language Model
Generative AI
OpenAI API
LangChain
Retrieval Augmented Generation
Golang
Ruby on Rails
Python
Rehan Ahmed M.
Riverside, California
$30/hr
5.0
8 jobs
I like building websites that feel smooth, clean and honestly just enjoyable to use. WordPress, Webflow and Shopify are where I spend most of my time. You can hand me a messy idea or a half ready design and I will turn it into something fast, organized and simple for you to manage. I keep the whole thing relaxed so you never feel confused or stressed while the work is happening.
My skill set is pretty broad. Front end development, CMS setups, custom themes, responsive layouts, UI to development translation, performance improvements, plugin and app integrations, SEO basics and full site rebuilds. If something needs to look better, load quicker or become easier to control on your end, that is exactly the type of problem I enjoy solving.
I like keeping communication easy and the workflow smooth. Everything I build is structured in a way that makes sense so you can edit it later without calling me every two minutes. If you want someone who understands design, knows development and keeps the vibe easy from start to finish, that is where I fit
And honestly, if you are still reading at this point, you probably already like me a little so go ahead and hit that invite button before Upwork charges you for breathing.
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