You will get I'll integrate AI into your existing web app
Project details
You will get AI features integrated directly into your
existing web app — not a separate tool, not a demo, but
real AI working inside your product. I specialize in
Claude Sonnet and OpenAI API integrations using React and
FastAPI. I built AuditAI, which processes financial PDFs
and Excel files automatically using Claude AI, reducing
manual work from days to minutes. I can add the same kind
of intelligence to your app.
existing web app — not a separate tool, not a demo, but
real AI working inside your product. I specialize in
Claude Sonnet and OpenAI API integrations using React and
FastAPI. I built AuditAI, which processes financial PDFs
and Excel files automatically using Claude AI, reducing
manual work from days to minutes. I can add the same kind
of intelligence to your app.
AI Algorithms
Large Language Model, Transformer ModelAI Applications
Conversational AI, Natural Language UnderstandingAI Development Language
PythonAI Tools
GitHub Copilot, Hugging FaceAI Models
ChatGPT, GPT-3, GPT-4What's included
| Service Tiers |
Starter
$400
|
Standard
$500
|
Advanced
$600
|
|---|---|---|---|
| Delivery Time | 7 days | 10 days | 14 days |
Number of Revisions | 1 | 2 | 3 |
AI Model Integration | |||
Batch Normalization | - | - | - |
Database Integration | - | - | - |
Detailed Code Comments | - | - | - |
Image Upscaling | - | - | - |
MLOps | - | - | - |
Model Deployment | - | - | - |
Model Documentation | - | - | - |
Model Monitoring | - | - | - |
Model Testing & Optimization | - | - | - |
Model Tuning | - | - | - |
Natural Language Processing | - | - | - |
NLP Tokenization | - | - | - |
Pre-Training | - | - | - |
Prompt Engineering | |||
Setup File | - | - | - |
Source Code |
Optional add-ons
You can add these on the next page.
Additional Revision
+$50Frequently asked questions
About David
AI-Powered MVP Developer | Full-Stack Engineer | React | FastAPI
Cali, Colombia - 7:51 pm local time
not months.
With 10+ years of business and finance experience combined with
full-stack development and AI integration, I build solutions that
actually solve real business problems — not just demos that look
good in a video call.
What I specialize in:
→ AI-powered web apps using Claude Sonnet, OpenAI and custom LLM
integrations
→ Full-stack MVPs with React, Node.js, FastAPI and Python
→ Document processing and automation (PDFs, Excel, scanned files)
→ SaaS platforms with auth, dashboards and payment integration
Recent projects I've shipped:
→ ThoraxAI — detects 18 pulmonary pathologies from chest X-rays
using deep learning (FastAPI + React + HuggingFace)
→ AuditAI — processes financial PDFs and Excel reports with Claude
AI to flag compliance issues automatically
→ Spark — full-stack dating app MVP with real-time features and
Supabase, delivered in under 2 weeks
I work directly with founders, startups and product teams. No
middlemen, no big agency overhead — just clean code, fast delivery
and clear communication.
If you have an idea and need it live, let's talk.
→ Portfolio: davidsaenz.dev
Steps for completing your project
After purchasing the project, send requirements so David can start the project.
Delivery time starts when David receives requirements from you.
David works on your project following the steps below.
Revisions may occur after the delivery date.
Codebase review & integration plan
I review your existing app, identify the best integration points and define exactly what AI will do inside your product
AI development & integration
I build the AI feature, connect it to your backend and frontend, and test everything end to end