Java Developer + Data Analysis
Details
Join Plexus Tech.
We are looking for a programmer with 3 years of experience in Java development and familiarity with data analysis.
Requirements:
1. 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).
2. Programming Language
- Java (Java SE and EE)
- Framework knowledge:
- Spring / Spring Boot
- Hibernate / JPA
- Maven / Gradle
3. Databases (DB)
- Relational: PostgreSQL, Oracle
- Schema design and normalization
- SQL query optimization
- Use of tools such as:
- DBeaver
4. Data Analysis
- Advanced SQL (joins, subqueries, CTEs, window functions)
- Basic knowledge of statistics
- Extract, Transform, Load (ETL) knowledge
- Familiarity with BI tools such as:
- Pentaho




- Apache NiFi
5. Complementary Tools and Technologies
- Git / GitHub / GitLab
- RESTful APIs and web services
- Testing: JUnit, Mockito
- Technical documentation (Swagger, OpenAPI)
- Agile methodologies (Scrum, Kanban) years
With our hybrid model, Flexology allows you to work from wherever your talent flows best: from any of our 24 work centers in Spain, from your home, or a combination of both.
The Plexus Tech work ecosystem allows for a collaborative environment within the company.
Work with leading professionals
Access to ongoing training.
Professional development
Adaptable compensation with health insurance, meal vouchers, childcare, and transportation
Java, PostgreSQL,

📌 Java Developer + Data Analysis, Madrid
🏢 Plexus
📍 Madrid