Jason R.
Rosemead, United States
100%
Job Success
Top Rated Plus
AI Developer & Full Stack Engineer | LLM & Prompt Engineering Expert
$88.00/hr
🚀💡 AI Systems Innovator and Full Stack Developer
I specialize in advanced prompt engineering, AI chatbots, LLM fine-tuning, generative AI, and enterprise-grade AI applications. My expertise spans implementing production systems with large language models (LLMs), retrieval-augmented generation (RAG), and vector embeddings (Pinecone, Chroma), using cutting-edge models like GPT-4, Claude, Gemini, and Deepseek.
I bring hands-on experience in AI application architecture, ML ops, and building robust full-stack systems that solve real business problems.
💡 Core Competencies:
AI & Machine Learning:
- Advanced prompt engineering and LLM optimization
- Custom AI chatbot development and deployment
- Enterprise RAG architectures and vector search
- Natural Language Processing (NLP) and deep learning
- Generative AI applications and MLOps
Full-Stack Development:
- Modern web frameworks and architectures
- Data pipeline development and optimization
- System integration and API development
- Performance optimization and scaling
Additional Skills:
- Blockchain technology and smart contracts
- Cryptocurrency trading systems
- Data analysis and visualization (Tableau, Python)
- Mathematical modeling and optimization
🔧 Tech Stack:
- Languages: Python, JavaScript
- AI/ML: OpenAI/GPT, Anthropic/Claude, Gemini, Deepseek, PyTorch, TensorFlow, Hugging Face
- Vector DBs: Pinecone, Chroma
- Web: Next.js, React, Node.js, Express
- Data: PostgreSQL, MongoDB, Firestore, SQL
- Cloud: Google Cloud, AWS
I'm passionate about building intelligent systems that combine the latest in AI/ML with robust engineering practices. Currently focused on developing production-ready AI applications that solve real-world problems.
Looking to collaborate on challenging projects involving LLMs, RAG systems, and innovative AI applications. Let's connect and build something amazing! 🤝
Work history
Work history
Artificial Intelligence Advisor - AI Generalist
May 11, 2024
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May 10, 2025
"Jason did an outstanding job with several AI Python scripts for matching various kinds of information. I would highly recommend him for doing AI related work. Thank you, Jason!"
Private earnings
AI Script Development for Product Identification and Pricing Analysis
Apr 15, 2025
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May 7, 2025
Private earnings
AI Tutor
Apr 27, 2024
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May 4, 2025
No feedback given
Private earnings
Python script to build inventory forecast from SQL data
Nov 3, 2023
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May 4, 2025
Private earnings
GPT Article Generation Using Python and Prompt Engineering
Feb 28, 2024
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May 4, 2025
No feedback given
Private earnings
Full Stack Development Of App
Feb 22, 2025
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Apr 16, 2025
Private earnings
Ecom Saas Solution Research
Feb 5, 2025
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Feb 19, 2025
"Great expertise with back end knowledge in terms of what platforms and apps to use."
Private earnings
Legal Transcript Categorization Project
Jul 20, 2023
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Feb 15, 2025
No feedback given
Private earnings
Python developers needed for a variety of projects
Dec 7, 2023
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Feb 9, 2025
"Jason is easily one of the hardest working, smart capable developers out there. Highly recommended!"
Private earnings
Automatically create website blogs by searching YouTube videos
May 10, 2024
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Nov 22, 2024
Private earnings
Medical PDF Triage Tool - Prompt Optimization
May 13, 2025
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Present
Job in progress
Private earnings
AI Content Engineer & Educational Resource Developer (Education Focus)
May 6, 2025
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Present
Job in progress
Private earnings
Youtube Optimization Software Development
Mar 11, 2025
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Present
Job in progress
Private earnings
API integration & UI swap
Mar 4, 2025
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Present
Job in progress
Private earnings
Python developers needed for a variety of projects
Feb 9, 2025
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Present
Job in progress
Private earnings
Shopify - AI Inventory CSV Updates Every Hour
May 31, 2024
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Present
Job in progress
Private earnings
AI Developer LLM Expert - 1000 Word Story Generation
Aug 3, 2023
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Present
Job in progress
Private earnings
Tennis Score Web App
Jul 27, 2023
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Present
Job in progress
Private earnings
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Skills
Skills
- Python
- Machine Learning
- Natural Language Processing
- Deep Learning
- Artificial Intelligence
- JavaScript
- Prompt Engineering
- Web Development
- ChatGPT
- Data Analysis
- Generative AI
- LLM Prompt Engineering
- LLM Prompt
- AI Chatbot
- AI Consulting