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.Versátil compensation with health insurance, meal vouchers, childcare, and transportation.
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📌 Java Developer + Data Analysis (Madrid)
🏢 Plexus Tech
📍 Madrid