Java (Spring Boot) Engineer at KINZ Global Consult

Responsibilities:

Build Java-based ETL and ELT pipelines to extract, transform, and load source systems.

• Extracting data from source systems 
• Cleaning and transforming the data for analytics ○ Loading it efficiently into a ClickHouse data warehouse 
• Structure data pipelines using ELT principles 
• Develop efficient, well-tested, and reusable Java (Spring Boot) backend services along with other development team members to query, organize, and expose processed data through Spring Boot APIs
• Collaborate with frontend and analytics teams to ensure the data layer supports dashboard visualizations and alerts 
• Integration of user-facing elements developed by front-end and mobile app engineers. Collaborate with other team members in brainstorming sessions to define, design, test, and ship application features 
• Identify, correct bottlenecks, and fix bugs on new and existing applications

Requirements:

• 5 - 7 years’ experience in a similar role 
• Strong experience with Java, especially in Spring Boot for service development 
• Strong experience building ETL/ELT pipelines and working with data integration 
• Solid understanding of SQL, data modeling, and analytical querying 
• Familiarity with APIs, JSON, and integrating external systems 
• Comfortable with version control (Git) and collaborative development practices 

Nice-to-Have/Big Advantage

• Nice-to-Have / Bonus Skills 
• Exposure to predictive modeling with Python is a big advantage 
• Familiarity with ClickHouse or other columnar databases 
• AWS/cloud deployment experience