r
roge26

Rogelio A

@roge26

AI Engineer, LLMs, RAG and Agentic Systems

Spain
English, Spanish, Catalan
About me
I'm a freelance AI Engineer. I build AI systems that plug into your company's data and work on their own: RAG assistants over your documents, agents, and predictive models (LTV, churn, attribution, lead scoring). Stack: Python, SQL, LLMs, LangChain, APIs, Databricks. 8+ years in data science and growth, so every system is measured against a business number: revenue, ROAS, LTV or retention. I start with a small, scoped prototype that already delivers value, then we decide the roadmap together.... Read more

Skills

r
roge26
Rogelio A
Offline • 

See my services

AI Implementation & Deployment
I will build a rag ai assistant for your business documents
From$1,500 / projectMore details
Machine Learning
I will analyse your customer data and build an ltv or churn model
From$375 / projectMore details

Portfolio

Work experience

Algoryme

Founder & AI Engineer

Algoryme

Sep 2024 - Present • 2 yrs 1 mo

Freelance AI and data consultancy. I build LLM, RAG and agent systems connected to company databases, and predictive models for LTV, churn and attribution, measured against business metrics such as revenue, ROAS and retention.

Mable

Senior Data Analyst

Mable • Full-time

Aug 2023 - Aug 2024 • 1 yr

Led B2B analytics for the CGO and Head of Partnerships, building lead scoring, churn, attribution and conversion-likelihood models. Built an LLM-based model to identify support workers in stressful client interactions and enable tailored counselling interventions. Delivered monthly C-level reporting and decision support using SQL and Tableau, communicating findings to senior and cross-functional stakeholders.