Java Backend Developer

SUMMARY

💰 115 - 145 PLN/h on B2B

💰 13 800- 17 400 PLN gross on UoP

📍 Remote

💼 Senior

PROJECT

We are seeking a Senior Java Backend Developer with proficiency in German and solid experience in enterprise-level systems to join a long-term international project in the transportation industry.

This role requires in-depth backend knowledge, cloud expertise (specifically AWS), and strong communication skills for working in multilingual, cross-functional teams. We're seeking experienced professionals with expertise in Java, cloud infrastructure, and large-scale backend environments.

YOU WILL

• Develop, maintain, and optimize enterprise-level backend applications in Java / JEE (7–12).
• Work with JBOSS, Tomcat, and PostgreSQL in a production-grade environment.
• Design and implement backend systems that are integrated with Kafka, REST APIs, and a microservice architecture.
• Manage applications deployed in AWS using CloudFormation.
• Collaborate with architects, DevOps, and business teams to design scalable, secure, and efficient systems.
• Participate in Agile processes (e.g., Scrum, SAFe) and engage in Agile rituals.
• Contribute to communication strategies and act as a technical point of contact when needed.

MUST HAVE

• Solid experience with Java / JEE (7–12), JBOSS, and Tomcat.
• Proficiency in managing applications in AWS using CloudFormation.
• Hands-on experience with PostgreSQL.
• Experience working with Kafka in production environments.
• Background in the transport sector (aviation or railway preferred).
• Familiarity with Agile methodologies (e.g. Scrum, SAFe).
• Understanding of microservice architectures.
• Practical knowledge of Java REST-API development.
• Strong communication skills, ideally in client-facing or consulting roles.
• Proficiency in German and English (min. C1 level).

OUR OFFER

• Relocation package (4500 PLN total value), paid in three installments (1500 PLN per month) in case your permanent presence in the office is mandatory, and you need to relocate from another city.
• Benefits: Extended medical care (over 2000 medical facilities in Poland, 80 in Kraków) for you and your family; Multisport card; Life insurance