Senior Java Developer

Summary

Join our technology company, established in 2008, as a Senior Java Developer! We're a team of fintech solution innovators, assisting companies in developing cutting-edge services. This remote (Poland) position offers a competitive hourly rate (PLN 125-165). You will design and develop backend services using Java 17+ and Spring Boot, build and maintain scalable systems using Apache Kafka, and integrate applications with PostgreSQL databases. The role requires strong Java and Spring Boot experience, along with expertise in distributed systems and cloud deployment (AWS).

Requirements

• Solid hands-on experience with Java 17+ and the Spring Boot framework
• Good understanding of Apache Kafka and its use in distributed systems
• Experience working with PostgreSQL or other relational databases
• Familiarity with AWS and deploying applications in a cloud environment
• Ability to debug and troubleshoot complex issues in distributed systems
• Understanding of and experience with TDD practices
• Strong problem-solving skills and the ability to work independently
• Good communication skills and a proactive approach to teamwork

Responsibilities

• Designing and developing backend services using Java 17+ and Spring Boot
• Building and maintaining scalable, distributed systems based on Apache Kafka
• Integrating applications with PostgreSQL databases
• Ensuring cloud-readiness and deploying services in AWS
• Troubleshooting and debugging issues in distributed environments
• Writing clean, testable code using TDD principles
• Collaborating with cross-functional teams to define, design, and deliver new features

Preferred Qualifications

• OpenStreetMap maps
• Routing libraries such as pgRouting, GraphHopper, or others
• Integration with Pekao Connect
• Integration with TPay
• Integration with Comarch ERP