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Juan BernáldezJB
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Juan Bernáldez

@juanbernldez

Full-stack developer building Java/Spring Boot and Python/FastAPI systems, including a data integration engine with nine routes.

Spain
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At Soincon, I completed professional placements in development and security. In development, I worked on a Spring Batch pipeline that moved data between CSV files, REST APIs, and databases, with the entity set through external configuration.

I built BatchProcessor, a generic data integration engine with nine routes between CSV, REST APIs, and databases. It includes custom parameterized ItemReader and ItemWriter components, dynamic entity resolution, and 20 tests running in CI.

I built RadioStack, an online radio application using Java and Spring Boot, with one JWT identity source for HTTP and STOMP. Its 166 tests exposed three real issues.

My projects also include full-stack task managers in React, Angular, and FastAPI, a Rust search engine, and Python agent frameworks and pipelines. Across these projects, I work with automated testing and CI, using tools such as JUnit 5, pytest, and GitHub Actions.

Experience

Work history, roles, and key accomplishments

SO

Prácticas DAM — Desarrollador

Soincon

Jan 2024 - Dec 2024 (11 months)

Developed a batch pipeline with Spring Batch to move data between CSV, REST APIs, and databases, with entity parameterization via external configuration. Worked in a professional environment using Git and Linux.

SO

Prácticas Seguridad — Becario

Soincon

Jan 2021 - Dec 2021 (11 months)

Performed vulnerability analysis and obtained the SEPE Level 3 Computer Security certification (80 hours).

Education

Degrees, certifications, and relevant coursework

IL

IES Augusto G. de Linares

Grado Superior DAM, Desarrollo de Aplicaciones Multiplataforma

2022 - 2024

Completed a Grado Superior DAM (Desarrollo de Aplicaciones Multiplataforma) from IES Augusto G. de Linares in Santander from 2022 to 2024.

SO

Soincon

Seguridad Informática Nivel 3 SEPE, Seguridad Informática

2021 - 2021

Completed a Seguridad Informática Nivel 3 certification from SEPE, delivered by Soincon in 2021.

IL

IES Augusto G. de Linares

Grado Medio SMR, Sistemas Microinformáticos y Redes

2018 - 2021

Completed a Grado Medio SMR (Sistemas Microinformáticos y Redes) from IES Augusto G. de Linares in Santander from 2018 to 2021.

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