Freelancer profile translated to English.
Back to original languageAbout Guillermo
I am a software engineer and I focus on one thing: building solid backends, integrating Generative AI into real products, creating applications that solve specific everyday problems, and even video games!!
Right now, I work as a backend developer atEbury**, a fintech company, where I maintain and optimize a critical **pricingservice: the one that calculates rates and generates transaction quotes, both via API and for the internal trader tool.
It's an environment where a bug costs real money, so I live by testing, reliability, and clean code.
What sets me apart is that I come from a backend background but have been fully immersed in Generative AI for a while. I am pursuing amaster's degreein the subject and I build RAG systems, LLM integrations, and intelligent agents.
My latest project is **VAR-AI**, a multimodal RAG that analyzes controversial football plays with LangChain, ChromaDB, and Gemini.
Before that, I built anNBA match predictionplatform with XGBoost models (Flask · React) and several full-stack apps (React PWA, Flutter).
If you need someone who understands both backend engineering and AI, and knows how to bridge the two to take something from idea to production, write to me and let's talk :)
Spanish
Native or bilingual
English
Fluent
Remote only
Primarily works remotely
Experience
- EburySoftware Engineer (Backend)BANKING AND INSURANCEMarch 2026 - Today (4 months)Málaga, SpainBackend development in a fintech company, maintaining and optimizing the pricing service, a critical middleware component within the company's quote generation flow. I implement new features, research and resolve complex bugs, and manage environment configurations to ensure system stability.I design robust testing strategies that ensure the reliability of the pricing flow services.I work in an agile environment focused on code quality and reliable deliveries.
- Minsait (Indra)Java Backend DeveloperMarch 2025 - March 2026 (1 year)Málaga, SpainDeveloped and maintained critical Intranet software for commercial operations, implementing robust backend refactoring to reduce bugs and improve code quality (SonarQube). Designed and implemented automated test suites using a TDD approach for microservices, achieving over 80% code coverage.
Recommendations
Be the first to recommend Guillermo
Help this freelancer shine by sharing your experience working together.
These freelancer profiles also match your criteria
Agatha Frydrych
Backend Java Software Engineer
4.7
(3)
2
Baptiste Duhen
Fullstack developer
4.6
(4)
5
Amed Hamou
Senior Lead Developer
4
(2)
7
Audrey Champion
Web developer
4.3
(3)
4
Education
- Bachelor's Degree inUniversity of Malaga2025Bachelor's Degree in
- Master's in Engineering and Development of Generative AI SolutionsEBIS Business Techschool2026Master's in Engineering and Development of Generative AI Solutions