Senior Java Developer (Microservices, Kafka)

EPAM Systems; Poland; On-site; PLN 200,000 - 320,000; Full time

Job summary

EPAM Systems in Poland is seeking a Senior Java Developer to join our team, bringing expertise in microservices, cloud-native architectures, and Kafka-based messaging to power enterprise solutions. You will lead backend development, mentor peers, and help design secure, scalable systems that integrate with distributed ledger technology, including Ethereum.

The role requires strong collaboration with stakeholders across technology and business functions and excellent English communication.

Qualifications

• 5+ years of Java development experience.
• Experience building cloud-native applications with RESTful services and Kafka.
• Hands-on Kubernetes and Helm experience.
• Strong security awareness and attention to detail.
• Familiarity with cloud computing and DevOps practices.

Responsibilities

• Lead backend implementation and mentor junior developers.
• Develop scalable cloud-based solutions.
• Design cloud-native apps for distributed systems.
• Collaborate with stakeholders across tech and business.
• Contribute to DLT projects including Ethereum.

Skills

Java development

Cloud-native architectures

RESTful services

Security awareness

English communication

Tools

Kubernetes

Helm

Job description

We are seeking a Senior Java Developer to join our team, bringing expertise in microservices architecture and Kafka-based enterprise messaging systems to power cloud-based, blockchain-driven financial solutions.

Responsibilities

• Lead the implementation of backend systems and mentor junior developers
• Develop reliable, cloud-based solutions that scale to meet business needs
• Design and build cloud-native applications for distributed systems
• Collaborate with diverse stakeholders across technology and business functions
• Bring creative and innovative thinking to system design and architecture
• Contribute to projects involving DLT technologies, including the Ethereum blockchain
• Maintain strong attention to detail and security across all development work
• Communicate effectively with colleagues from a wide range of backgrounds

Requirements

• At least 5 years of experience in Java development
• Expertise in developing cloud-native applications using RESTful web services and Kafka-based event-driven architectures
• Hands-on experience with Kubernetes and Helm
• Strong attention to detail and security awareness
• Familiarity with cloud computing, DevOps practices, and digital asset technologies
• Excellent communication skills in English, with the ability to interact effectively with a wide range of colleagues