> Markdown version of [/jobs/ext/2209387-application-development](https://www.wearedevelopers.com/jobs/ext/2209387-application-development). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Application Development

- **Company:** MALTHUS DARWIN
- **Location:** Spain
- **Salary:** €42,000.0 - €54,000.0
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Databases, Computer Engineering, Extract Transform Load (ETL), Data Transformation, PostgreSQL, Liquibase, MySQL, Pentaho Data Integration, Spring-boot
- **Published:** August 24, 2026
- **Apply:** https://www.jobleads.com/es/job/e8897a99f1610b5d16d02d184dbb6b510

## About the Role

* Ingeniería Informática o titulación relacionada
 * 2+ años de experiencia en diseño y modelado de BBDD
 * Experiencia con PostgreSQL y/o MySQL
 * Experiencia en procesos ETL
 * Conocimientos de Pentaho / Pentaho Data Integration / Hop
 * Capacidad de análisis de datos
 * Diseño de modelos de datos conceptuales, lógicos y físicos.
 * Definición de entidades, atributos, relaciones y reglas de integridad.
 * Adaptación de modelos de datos a los requisitos del proyecto., * Conocimientos de Java + Spring Boot
 * Conocimientos de Liquibase

## Description

* Diseño y optimización de BBDD para mejorar rendimiento, consultas y escalabilidad.
 * Definición de claves, índices y estrategias de particionado.
 * Desarrollo de procesos de carga y transformación de datos mediante ETL.
 * Elaboración de documentación técnica y diccionarios de datos.


## Related Videos

- [Hibernate: How to keep calm](https://www.wearedevelopers.com/videos/534-hibernate-how-to-keep-calm)
- [MySQL Protocol Features You Should Be Aware Of](https://www.wearedevelopers.com/videos/100267-mysql-protocol-features-you-should-be-aware-of)
- [Kubernetes and Microservices with Multi-Model Databases](https://www.wearedevelopers.com/videos/382-kubernetes-and-microservices-with-multi-model-databases)
- [Branch your database like your code:  How schema changes and pull requests go hand in hand](https://www.wearedevelopers.com/videos/350-branch-your-database-like-your-code-how-schema-changes-and-pull-requests-go-hand-in-hand)
- [Enjoying SQL data pipelines with dbt](https://www.wearedevelopers.com/videos/823-enjoying-sql-data-pipelines-with-dbt)
- [Coding for Good: Achieving social change with an app](https://www.wearedevelopers.com/videos/1645-coding-for-good-achieving-social-change-with-an-app)

## Related Articles

- [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)
- [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries)
- [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers)
- [Best Coding Boot Camps in Germany](https://www.wearedevelopers.com/magazine/237-best-coding-boot-camps-in-germany)
- [Top Big Data Technologies That You Need to Know](https://www.wearedevelopers.com/magazine/108-top-big-data-technologies-that-you-need-to-know)
- [MLops – Deploying, Maintaining And Evolving Machine Learning Models in Production](https://www.wearedevelopers.com/magazine/115-mlops-deploying-maintaining-and-evolving-machine-learning-models-in-production)