Rubén Brito

About

Software Engineer with over 10 years of experience across banking, telecom and consulting, based in Madrid. Currently at Santander UK, working on credit risk and scoring systems and leading a small development team. Delivered one of Santander's earliest Machine Learning proofs of concept in risk decisioning in 2017-2018; since 2024, deep into modern AI-assisted engineering — daily use of Claude Code, GitHub Copilot and other AI tools, plus building custom LLM agents for engineering workflows.

Work Experience

Santander UK Software Engineer Nov 2019 - Present · United Kingdom (Remote)

Own credit risk and scoring models; drive improvements to risk processes and controls across retail and corporate banking.
Progressed from Software Developer to leading a small development team and advising technical architects on integration and security architecture decisions.
Built an AI-assisted internal dashboard for live case monitoring, replacing manual SQL queries with real-time visibility.
Use GitHub Copilot, Claude Code, OpenAI Codex, Google Antigravity and Devin daily for development and custom CI/CD workflows on OpenShift.
Stack: Java, Python, Spring, Node.js, Kafka, Docker, OpenShift.

UST Global Spain Software Developer Jan 2019 - Nov 2019 · Madrid

Backend and API development for Inditex's Center of Excellence, including a Kafka + Apache Flink real-time monitoring dashboard providing alerting and traceability across internal and external APIs.

Gfi Spain Software Developer Oct 2015 - Jan 2019 · Madrid area

Architecture department. Delivered software engineering services on external client engagements, including the Santander Global Tech and Telefónica placements below.

Santander Global Tech Software Developer (external, via Gfi Spain) Sep 2017 - Dec 2018 · Madrid area

Risk Department - delivered one of Santander's earliest Machine Learning proofs of concept, integrating predictive models into the risk decisioning workflow years before enterprise AI adoption became mainstream.
Developed an API exposing risk prediction functionality for sales and financial products.
Requirements analysis, architecture design and development, using Agile methodology.
Stack: PMML, R, Python, Spring Boot, TIBCO BW 6, IBM API Connect, AngularJS.

Telefónica Software Developer (external, via Gfi Spain) Jan 2016 - Dec 2016 · Madrid area

Telco 3.0 project - implemented REST architecture in the customer retention system.
Requirements analysis and technical documentation, using Agile methodology.
Stack: Oracle BPM, Java Spring, AngularJS.

Skills

Languages

Java
Python
JavaScript / Node.js
R

Cloud & Platforms

AWS (S3, Lambda, Athena, CloudWatch)
Terraform
Docker
OpenShift

Data & Streaming

Kafka (MSK & on-premise)
Redis
Oracle
MongoDB
SQL
NoSQL

Integration & Middleware

TIBCO BusinessWorks
Oracle SOA Suite
API Gateways (IBM API Connect/DataPower, CA)
OAuth2 / JWT

Observability

Kibana
Dynatrace
Zipkin
Grafana

Testing & Quality

Cucumber
Postman
Bruno
JMeter
Chaos Monkey

AI Coding Tools

Claude Code
GitHub Copilot
OpenAI Codex
Google Antigravity
Devin

AI & Automation

Custom LLM agents (MCP: GitHub, Jira, Confluence, SonarQube, Elasticsearch)
LLM-based predictive modeling
prompt/plan engineering

Practices

Microservices architecture
REST APIs
Agile methodology
ETL & data modeling
CI/CD (GitHub Actions, Jenkins, GitLab CI)

Education

Enrique Tierno Galván 2013 - 2014

Higher Education in Multiplatform Application Development

Spanish higher vocational qualification (Ciclo Formativo de Grado Superior). One-year program: first-year credits transferred from the Web Application Development qualification below.

Domenico Scarlatti 2011 - 2013

Higher Education in Web Application Development

Spanish higher vocational qualification (Ciclo Formativo de Grado Superior).

Get in Touch

Open to conversations about software engineering and applied AI — feel free to reach out.

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Curriculum Vitae

Download my complete CV in PDF format.

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Public Projects

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