Senior Java Developer
Senior Java Developer
SKILLS: Java 17+ | SpringBoot | AWS | Apache Kafka | PostgreSQL | REST | SOAP | WebSocket
B2B: PLN 120 - 150 / Hour 💰
LOCATION: REMOTE (POLAND)
START DATE: ASAP
Key Services and Requirements: A Roadmap to Your Professional Success
Scope of services:
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.
Here’s a set of skills we require:
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.
Creating and maintaining APIs using REST and SOAP.
Implementing real-time communication using WebSocket.
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.
Nice to have experience with:
OpenStreetMap maps.
Routing libraries such as pgRouting, GraphHopper, or others.
Integration with Pekao Connect.
Integration with TPay.
Integration with Comarch ERP.

Espeo Software
Espeo Software is a Poland-based product engineering and consulting partner focused on fintech, payments, digital banking, and blockchain. We support regulated organisations with strategic advisory, solution architecture...Senior Java Developer
Senior Java Developer
Code and Pepper
Remote
Remote