Full-Stack
AI Engineer

Mathematician × Developer × Builder
98.8% Latency Reduction
43hrs/mo Recruiter Time Saved
20x Faster Data Collection
Profile photo
Bachelor of Science

I'm a mathematician with a background in statistics, machine learning, and data science. During my studies, I conducted research in mathematics. Today, my work focuses on full-stack development and building AI products.


I develop systems end-to-end, from application interfaces to backend services, APIs, data pipelines, and model integration.


Projects include full-stack applications for multi-agent systems, RAG pipelines, speech-to-speech interfaces, coding agents, real-time vision segmentation.

Featured Projects

On-Demand Interviewer

On-Demand Interviewer mockup showing speech-to-speech AI interface with microphone and voice wave visualization
Speech-to-Speech | Real-time AI

Semi-automated interview system that conducts initial screenings via voice. Saves recruiters 43 hours per month.

43 HOURS SAVED/MO VOICE AI

On-Demand Interviewer

On-Demand Interviewer mockup showing speech-to-speech AI interface with microphone and voice wave visualization
Speech-to-Speech | Real-time AI

Semi-automated interview system that conducts initial screenings via voice. Saves recruiters 43 hours per month.

43 HOURS SAVED/MO VOICE AI

Multi-Agent SQL Pipeline

Multi-Agent SQL Pipeline mockup showing database agents and SQL query validation interface
Autogen-Python | Docker

Self-correcting agents that generate and validate SQL queries. 68% accuracy on BIRD dataset, 17.2% above competitors.

68% ACCURACY AUTO-CORRECT

Multi-Agent SQL Pipeline

Multi-Agent SQL Pipeline mockup showing database agents and SQL query validation interface
Autogen-Python | Docker

Self-correcting agents that generate and validate SQL queries. 68% accuracy on BIRD dataset, 17.2% above competitors.

68% ACCURACY AUTO-CORRECT

AI Store Platform

AI Store Platform mockup showing marketplace interface with model listings and pricing
Spring Boot | React | PostgreSQL

Full-stack marketplace for AI models and APIs. Handles authentication, billing, and enterprise deployment.

PRODUCTION SECURE

AI Store Platform

AI Store Platform mockup showing marketplace interface with model listings and pricing
Spring Boot | React | PostgreSQL

Full-stack marketplace for AI models and APIs. Handles authentication, billing, and enterprise deployment.

PRODUCTION SECURE

Document Comparison Engine

Document Comparison Engine mockup showing side-by-side document comparison with vector search
HuggingFace | Vector DB | WebUI

Vector embedding system for comparing resumes, cover letters, and technical documents with semantic search.

SEMANTIC SEARCH VERSIONING

Document Comparison Engine

Document Comparison Engine mockup showing side-by-side document comparison with vector search
HuggingFace | Vector DB | WebUI

Vector embedding system for comparing resumes, cover letters, and technical documents with semantic search.

SEMANTIC SEARCH VERSIONING

Invoice Transformer

Invoice Transformer mockup showing PDF to Excel conversion interface
FastAPI | HuggingFace | React

AI-powered tool that converts invoice images/PDFs into structured Excel data. Saves 10 hours per 100 invoices.

10 HOURS SAVED 99% ACCURACY

Invoice Transformer

Invoice Transformer mockup showing PDF to Excel conversion interface
FastAPI | HuggingFace | React

AI-powered tool that converts invoice images/PDFs into structured Excel data. Saves 10 hours per 100 invoices.

10 HOURS SAVED 99% ACCURACY

Secure Code Sandbox

Secure Code Sandbox mockup showing isolated code execution environment
Docker | gVisor | Selenium

Isolated environment for executing LLM-generated code with automated testing. Prevents injection attacks.

ISOLATED AUTO-TEST

Secure Code Sandbox

Secure Code Sandbox mockup showing isolated code execution environment
Docker | gVisor | Selenium

Isolated environment for executing LLM-generated code with automated testing. Prevents injection attacks.

ISOLATED AUTO-TEST

Prompt Optimization Agent

Prompt Optimization Agent mockup showing meta-agent optimization interface
n8n | LangChain

Meta-agent that continuously improves prompts for downstream systems. 18% effectiveness boost.

+18% EFFECTIVENESS AUTO-OPTIMIZE

Prompt Optimization Agent

Prompt Optimization Agent mockup showing meta-agent optimization interface
n8n | LangChain

Meta-agent that continuously improves prompts for downstream systems. 18% effectiveness boost.

+18% EFFECTIVENESS AUTO-OPTIMIZE

Structured Note Taking App

Structured Note Taking App mockup showing organized notes interface
Python | WebUI | React

Lightweight application for structured note taking with custom organization system and smart tagging.

PRODUCTIVITY LOCAL-FIRST

Structured Note Taking App

Structured Note Taking App mockup showing organized notes interface
Python | WebUI | React

Lightweight application for structured note taking with custom organization system and smart tagging.

PRODUCTIVITY LOCAL-FIRST

Tool-Call Calendar Model

Tool-Call Calendar Model mockup showing AI calendar management interface
Unsloth | Fine-tuning

Small model trained for reliable tool-call in custom calendar management with optimized performance.

FINE-TUNED EFFICIENT

Tool-Call Calendar Model

Tool-Call Calendar Model mockup showing AI calendar management interface
Unsloth | Fine-tuning

Small model trained for reliable tool-call in custom calendar management with optimized performance.

FINE-TUNED EFFICIENT

Job Screening and Automation

Job Screening Automation mockup showing automated recruitment interface
JavaScript | Cloud LLMs

Made a tool to autmatically screen job descriptions to match experience and desired profile. Added auto-application for great fits.

AUTOMATION DATA PROCESSING

Job Screening and Automation

Job Screening Automation mockup showing automated recruitment interface
JavaScript | Cloud LLMs

Made a tool to autmatically screen job descriptions to match experience and desired profile. Added auto-application for great fits.

AUTOMATION DATA PROCESSING

Intelligent Network Video Recorder

Intelligent Network Video Recorder mockup showing real-time monitoring interface
C | NeutralinoJS | React | TypeScript

Network video recorder with automated detection and event tracking. Operator-focused interface for real-time situational awareness in field operations.

REAL-TIME AUTOMATED

Intelligent Network Video Recorder

Intelligent Network Video Recorder mockup showing real-time monitoring interface
C | NeutralinoJS | React | TypeScript

Network video recorder with automated detection and event tracking. Operator-focused interface for real-time situational awareness in field operations.

REAL-TIME AUTOMATED

Retrieval & Multimodal RAG Systems

Retrieval & Multimodal RAG Systems mockup showing advanced AI retrieval interface
LangChain | Python | LanceDB

Retrieval pipelines compressing input context by 10×. Multimodal RAG systems for rapid component search and UI standardization.

10× COMPRESSION SEMANTIC SEARCH

Retrieval & Multimodal RAG Systems

Retrieval & Multimodal RAG Systems mockup showing advanced AI retrieval interface
LangChain | Python | LanceDB

Retrieval pipelines compressing input context by 10×. Multimodal RAG systems for rapid component search and UI standardization.

10× COMPRESSION SEMANTIC SEARCH

Skills

Languages
Python
SQL
TypeScript
Java
JavaScript
C++
C
MATLAB
ML & Data Science
Scikit-learn
SciPy
Optimization
Docker
Docker SDK
gVisor
Generative AI
RAG
Transformers
VLLM
LangChain
Langfuse
Autogen
Amazon Bedrock
Amazon Titan
LanceDB
Back-End Development
FastAPI
Spring Boot
PostgreSQL
MongoDB
MySQL
Front-End Development
NodeJS
Tailwind
HTML
CSS
React
WebUI
NeutralinoJS
Additional
Selenium
HTML Tidy
n8n
GitHub

Let's Build Something

Got a complex problem? Need a full-stack AI engineer? Let's talk.

Email LinkedIn GitHub

© 2026 Santiago Martinez