Freelancer profile translated to English.
Back to original languageAbout César
Full Stack Developer with 2+ years of experience building enterprise applications using Java, Spring, Angular and PostgreSQL
for large-scale clients such as Correos (Spanish national post) and the healthcare sector. Specialized in systems integration,
test automation and database management, with strong command of collaborative environments (Git, Jira, Docker) and
Agile methodologies. A fast learner, results-driven, with advanced English and full availability to travel.
Spanish
Native or bilingual
English
Fluent
Can work on-site
Madrid (up to 50km)
Experience
- Algoritmos, Procesos y Diseños S.A. (APD)Developer / Integrations EngineerMarch 2026 - June 2026 (3 months)Madrid, Spain• ▪ Built interoperability channels in Mirth Connect (Java Rhino / JavaScript) to integrate clinical data across hospital systems, streamlining real-time information exchange.• ▪ Ensured data integrity by validating and transforming HL7, JSON and XML messages, reducing processing errors across integrations.• ▪ Standardized processes and produced technical documentation that optimized the development lifecycle and accelerated onboarding of new team members.• ▪ Managed workflow and version control with Git and Jira within an Agile environment.
- NTT DATAFull Stack DeveloperJune 2021 - June 2022 (1 year)Murcia, Spain• ▪ Developed and maintained Scriptum, the document-printing platform for Correos, modifying Java code and deploying new versions to production.• ▪ Designed templates with Adobe AEM Designer and generated their associated XML and XSD structures for automated document processing.• ▪ Administered the PostgreSQL database: created tables, inserted and modified fields, and developed functions to support new templates.• ▪ Automated test cases with Selenium (Dedalow), increasing test coverage and release reliability.
- everis (NTT DATA)Full Stack Developer (Intern)April 2021 - June 2021 (2 months)Murcia, Spain• ▪ Contributed to Scriptum development by creating templates with Adobe AEM Designer and modifying Java code under Git version control.• ▪ Supported database management through insertion and modification of fields across system tables.
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Education
- Bachelor's Degree in ComputerUCAM2026Bachelor's Degree in Computer
- Higher Technician in Web Application Development (DAW)EFA El Campico2021Higher Technician in Web Application Development (DAW)