Background
Experience
Professional, freelance and academic background. Anything confidential is described only at a high level.
Background
Mar 2026 – Sep 2026 · Internship
Ebury
Data Analyst / Analytics Engineering · Financial Crime team
Analytics engineering at a fintech, on customer-risk and financial-crime data.
- Development and maintenance of SQL and dbt pipelines on BigQuery.
- End-to-end pipeline to normalise transaction-monitoring source data for one region and prepare it for analysis and review.
- Consolidated analytical structure combining data from several regions.
- Maintenance and improvement of data models used in customer-risk analysis; reusable core models over standardised records.
- Reporting models in Looker and Sigma.
- Python pipelines incorporating large language models (LLMs).
- Optimised the daily rebuild of a model (Airflow-related process): from about 20 to about 2 minutes, ≈ 90 % faster.
- Took part in data validation, documentation, reconciliation and code review.
2025 · Internship
Caja Rural de Granada
Cash Operations internship
Banking and treasury operations.
- Banking and treasury operations and reconciliation.
- SEPA and foreign exchange.
- KYC, AML and fraud-prevention activities.
2020 – present
Freelance
Python, data and machine learning developer
Analytics, machine learning and automation projects for international clients. 11 contracts completed on Upwork with several 5-star reviews.
- Image segmentation for machine learning and computer-vision systems.
- Playing-card recognition.
- Marketing analytics and predictive modelling.
- Improvements to analytical Python code for a Swiss investment fund.
Confidentiality note: no client data, proprietary code, internal architectures or private datasets are published.
Education
2025 – ongoing
Universidad de Málaga
MSc in Economic and Business Analysis
Ongoing programme.
Completed 2025
Universidad de Málaga
Bachelor's Degree in Economics
Economic analysis, statistics, quantitative reasoning and financial analysis.
Certifications
NVIDIA Deep Learning — Certificate of Competency
February 2025
Languages
Spanish
Native
English
Certified B2
Technologies and level of evidence
I distinguish how I have used each technology. Not everything on this list has been used in production with clients.
- Professional work
- Freelance / clients
- Personal project
- Studies / learning
Data engineering
Pipelines, modelling and data quality.
- Python(Professional work, Freelance / clients)
- SQL(Professional work)
- BigQuery(Professional work)
- dbt(Professional work, Personal project)
- Apache Airflow(Professional work, Personal project)
- DuckDB(Personal project)
- ELT / ETL(Professional work)
- Data modeling(Professional work, Personal project)
- Data quality(Professional work, Personal project)
- Data validation(Professional work)
- Git / GitHub(Professional work, Personal project)
- CI/CD(Personal project)
AI and machine learning
Models, LLMs, retrieval and vision.
- PyTorch(Studies / learning, Freelance / clients)
- scikit-learn(Freelance / clients)
- LLM(Professional work, Personal project)
- OpenAI API(Personal project)
- Anthropic API(Personal project)
- Embeddings(Personal project)
- Retrieval systems(Personal project)
- Computer vision(Freelance / clients, Personal project)
- YOLO(Personal project)
- OCR(Personal project)
- Predictive modeling(Freelance / clients, Personal project)
- NLP(Personal project)
Analytics and BI
Analysis, statistics and reporting.
- pandas(Freelance / clients)
- NumPy(Freelance / clients)
- Looker(Professional work)
- Sigma(Professional work)
- Power BI(Studies / learning)
- Statistical analysis(Freelance / clients, Studies / learning)
- Time series(Personal project)
- Marketing analytics(Freelance / clients)
- Financial analytics(Studies / learning, Professional work)
- R(Studies / learning)
- Stata(Studies / learning)
Engineering and infrastructure
Environments, integration and cloud.
- Linux(Personal project, Freelance / clients)
- Bash(Personal project)
- Docker(Personal project)
- API integrations(Freelance / clients, Personal project)
- Google Cloud(Professional work)
- AWS(Personal project)
Shall we talk about what you want to improve?
Tell me about your case. I'll reply personally and tell you honestly whether I can help and how I would approach it.