Senior Java Developer

Quick Facts

• Location: Kraków or Wrocław (hybrid; 3 days/week in the client office)

• Contract: B2B

• Industry: banking

• Rate: 160–180 PLN/h + VAT

Description

Senior Java Developer role focused on designing and building microservices-based distributed applications using Java and Spring Boot. You will optimize and query databases with Oracle and PostgreSQL, integrate backend systems via REST, and implement event-driven communication using Kafka. The role also includes containerization and deployment with Docker.

Responsibilities

• Design and develop distributed applications based on microservices architecture with Java and Spring Boot

• Create and optimize database queries using Oracle and PostgreSQL

• Integrate backend systems using REST interfaces and Kafka-based messaging

• Containerize and deploy applications using Docker

Requirements

• Minimum 10 years of experience building software in Java

• Very good knowledge of Spring and Spring Boot

• Experience designing and developing microservices architecture

• Knowledge of relational databases (Oracle, PostgreSQL) and SQL

• Experience creating and integrating REST interfaces

• Practical knowledge of messaging systems using Kafka

• Experience working with Docker

• English proficiency at least B2+

Benefits

• Transparent collaboration terms with a stable employer and opportunity for growth

• Benefits support: Enel-med medical package and Multisport, plus a basic accounting package (free for up to three invoices per month)