Java Developer @ j-labs software specialist

• Minimum 3–4 years of commercial experience in creating backend applications.
• Very good knowledge of Java and Spring Boot.
• Experience working with relational databases and SQL.
• Knowledge of Docker.
• PRACTICAL knowledge of Apache Kafka.
• Skill in applying good programming practices.
• Very good knowledge of the Polish language and English at least B2 level.

Mileage

• Knowledge of Spring Batch and Spring Cloud Stream.
• Experience in high-throughput processing systems.
• Experience with Apache Spark.
• Knowledge of the Parquet format and Apache Iceberg.
• Knowledge of Python (Pandas).

• A highly configurable, digital software for financial management, created for leading financial institutions around the world.
• The system supports users in making informed financial decisions by aggregating data from multiple sources and enriching it with advanced features such as forecasting or budgeting.
• The team works in Krakow, implementing a project in cooperation with an international partner having teams in Barcelona, Asia, and South America.
• Location: Krakow, 100% remote work.

,[Designing and developing backend components of the financial system., Implementation of solutions based on Java 21 and Spring Boot., Work with high-throughput data processing systems., Integration with multiple data sources and external systems., Creating efficient and scalable solutions using Kafka., Taking care of code quality: tests, readability, modularity., Cooperation with an international project team.]