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# Java Developer + Data Analysis

- **Company:** Plexus Tech
- **Location:** Madrid, Spain
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Agile Methodology, Data Analysis, Databases, Extract Transform Load (ETL), Github, Gradle, Hibernate (Java), Java Platform Standard Edition (J2SE), Java Persistence API, Junit, PostgreSQL, Apache Maven, Oracle (Applications), Pentaho Data Integration, Scrum Methodology, Mockito, Swagger, SQL Databases, Web Services, Openapi, Sql Optimization, Gitlab, Information Technology, Apache Nifi, Restful APIs, Database Tools and Utilities
- **Published:** August 26, 2026
- **Apply:** https://www.buscojobs.com.es/java-developer-data-analysis-en-madrid-ID-368955464

## About the Role

Join Plexus Tech.
We are looking for a programmer with 3 years of experience in Java development and familiarity with data analysis.
Responsibilities
SQL query optimization
Requirements
General Requirements
Vocational training in Computer Science or higher
Minimum 3 years experience in a similar position
Ability to work in a team, with a willingness to learn.
Intermediate English (Highly desirable).
Programming Language

## Description

OverviewJoin Plexus Tech.We are looking for a programmer with 3 years of experience in Java development and familiarity with data analysis.ResponsibilitiesSQL query optimizationRequirementsGeneral RequirementsVocational training in Computer Science or higherMinimum 3 years experience in a similar positionAbility to work in a team, with a willingness to learn.Intermediate English (Highly desirable).Programming LanguageJava (Java SE and EE)Framework KnowledgeSpring / Spring BootHibernate / JPAMaven / GradleDatabasesRelational: PostgreSQL, OracleSchema design and normalizationSQL query optimizationAdvanced SQL (joins, subqueries, CTEs, window functions)Basic knowledge of statisticsToolsDBeaverData Analysis & ETLExtract, Transform, Load (ETL) knowledgeBI ToolsPentahoApache NiFiComplementary TechnologiesGit / GitHub / GitLabRESTful APIs and web servicesTesting: JUnit, MockitoTechnical documentation (Swagger, OpenAPI)Agile methodologies (Scrum, Kanban)BenefitsHybrid model: work from any of our 24 work centers in Spain, from home, or a combination.Collaborative environment within the company.Work with leading professionals.Access to ongoing training.Professional development opportunities.Flexible compensation with health insurance, meal vouchers, childcare, and transportation.#J-*****-Ljbffr


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