Java Developer + Data Analysis

Plexus Tech; Madrid; Híbrido; EUR 30.000 - 50.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Hybrid working model

Health insurance

Meal vouchers

Childcare

Transportation

Descripción de la vacante

Plexus Tech is seeking a Java Programmer with at least 3 years of experience in Java development and data analysis. Responsibilities include optimizing SQL queries and working collaboratively in a team. Preferred qualifications include vocational training in Computer Science, intermediate English skills, and knowledge of ETL processes. The role offers a hybrid working model across 24 centers in Spain, along with benefits such as health insurance, meal vouchers, and professional development opportunities.

Formación

• Minimum 3 years experience in a similar position.
• Ability to work in a team with a willingness to learn.
• Knowledge of Extract, Transform, Load (ETL) processes.

Responsabilidades

• Optimize SQL queries.
• Collaborate with team members on projects.

Conocimientos

Java

SQL

Teamwork

Data Analysis

Intermediate English

Educación

Vocational training in Computer Science or higher

Herramientas

DBeaver

Git

Pentaho

Apache NiFi

Descripción del empleo

Overview

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

• Java (Java SE and EE)

Framework Knowledge

• Spring / Spring Boot
• Hibernate / JPA
• Maven / Gradle

Databases

• Relational: PostgreSQL, Oracle
• Schema design and normalization
• SQL query optimization
• Advanced SQL (joins, subqueries, CTEs, window functions)
• Basic knowledge of statistics

Tools

• DBeaver

Data Analysis & ETL

• Extract, Transform, Load (ETL) knowledge

BI Tools

• Pentaho
• Apache NiFi

Complementary Technologies

• Git / GitHub / GitLab
• RESTful APIs and web services
• Testing: JUnit, Mockito
• Technical documentation (Swagger, OpenAPI)
• Agile methodologies (Scrum, Kanban)

Benefits

• Hybrid 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.