Hi, I'm Milton Figueroa
Data Engineer& Data Analyst
Data, ETL and backend for production systems, and now generative AI and agents.
Over seven years at Orange designing Oracle databases, ETL and APIs for systems with more than 15,000 users. Master's in Data Science and AI (2026).
Milton Figueroa
Data Engineer & Data Analyst
Projects
Production systems at Orange and applied practice in data and AI.
Customer, incident and chat platforms
Orange•2018 – 2024
Full Oracle database architecture, Node.js backend and REST APIs for three production systems.
15,000+ users · up to 1,200 concurrent sessions
- Oracle
Node.js
- REST
React
MySQL
MongoDB
Anthropic
LangChain
PySpark
BigQuery
Databricks
Google Tag Manager
Angular
.NET
CI/CD
GitHub
GitLabExperience
- I collaborate on AI-assisted programming tasks.
- I take part in the design and administration of the company's databases, alongside the Master's in Data Science and AI.
Education
- Computer Application DevelopmentHigher Vocational Diploma · IES Brianda de Mendoza
- Foundations: Data, Data, EverywhereGoogle / Coursera
- Ask Questions to Make Data-Driven DecisionsGoogle / Coursera
- Crash Course on PythonGoogle / Coursera
Skills
AI / LLM
- RAG
- Chroma
- OpenAI and Anthropic APIs
- LangChain / LangGraph
- Prompt engineering
Data engineering
- ETL pipelines
- PySpark
- Parquet
- Data quality and validation
- Apache Airflow
BI and analytics
- Power BI (DAX)
- Tableau
- A/B testing
- Funnel and cohort/LTV analysis
Cloud
- BigQuery
- Azure Data Factory
- Databricks
Databases
- Oracle
- SQL (windows, CTEs)
- PL/SQL
- MySQL
- MongoDB
- PostgreSQL
- SQL Server
Development
- Node.js
- Angular
- React
- C#/.NET
- REST APIs
- Git
- CI/CD
Security
- RBAC
- SQL injection defence
- Encryption
- GDPR
Business
- Requirements gathering
- KPI definition
- UAT-style validation
- Team leadership
Languages
- Spanish (native)
- English (professional)
Let's talk
Open to opportunities as a Data Engineer and Data Analyst. Madrid area, remote or hybrid.
