F0
Operations
ONE LEDGER, NO REWRITESThe ground floor keeps the record: every engagement since 2017, what shipped, and what it was built with. One ledger, four chapters, zero rewrites.
2017FIRST ENTRY IN THE LEDGER
4CHAPTERS, ZERO REWRITES
~90ADAPTERS OPERATED TODAY
12+CLI TOOLS IN THE DAILY KIT
The shift log
2022—NOW
Telefónica Kernel · Open Gateway ON SHIFT
Backend Engineer — Microservices & Automation
- Design and evolution of REST microservice adapters for Open Gateway.
- Author of a 12+ tool Python CLI suite operating ~90 adapters across 4 countries.
- Automatic OpenAPI (Swagger v2/v3) code generation and CI-integrated docs & diagrams.
JavaSpring BootPythonKafkaCI/CD
2026
Axpe Consulting / Mapfre
Software Engineer — API Modernization
- Drove the tech-modernization analysis of 39 corporate APIs to Node.js 24.
- Homogenized the stack and reduced technical debt across the API estate.
- 39 APIs onto one Node.js 24 stack and one pattern — less drift for every team that owns one.
Node.js 24TypeScriptREST
2020—2022
Zitro Laboratory
Java Backend Engineer
- Maintenance and evolution of the Java server of the betting engine, Backoffice and online-casino integrations.
- Server-to-server sign-in, AWS Snowflake + Cassandra historicals, OneSignal integration.
- Kept the Java betting server live while historicals moved to Snowflake + Cassandra and sign-in went server-to-server.
JavaSpringAWSCassandraSnowflake
2017—2020
Attendre S.L.
Java Backend Developer
- Evolution of Attend® (tickets/inventory/projects) and License Manager (Spring Boot 2.3 + REST).
- Attend® is still the live product — the tickets/inventory core and the License Manager remain in service.
JavaSpring BootREST
Open Gateway footprint
Data Science roots
2019 · Data Science roots — Bible Text Analysis: scraping, NLTK, LDA topics and sentiment over a raw corpus. Provenance, not a headline.
Operations toolbelt
The rest of the toolbelt, kept where it was used: Kubernetes and AWS CDK/CloudFormation from platform and deployment work; Cassandra and Snowflake at Zitro’s betting platform; RabbitMQ in event pipelines; pandas from the 2019 Data Science years. Listed by engagement, not as résumé soup.