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: Postgre SQL, OracleSchema design and normalizationSQL query optimizationAdvanced SQL (joins, subqueries, CTEs, window functions)Basic knowledge of statisticsToolsDBeaverData Analysis & ETLExtract, Transform, Load (ETL)



knowledgeBI ToolsPentahoApache Ni FiComplementary TechnologiesGit / Git Hub / Git LabRESTful APIs and web servicesTesting: JUnit, MockitoTechnical documentation (Swagger, Open API)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.Adaptable compensation with health insurance, meal vouchers, childcare, and transportation.

📌 Java Developer + Data Analysis (Madrid)
🏢 Plexus Tech
📍 Madrid