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EY

Senior Java Developer, German

EY

. Contribute to implementation and R&D initiatives across multiple project streams.

Posted 4/21/2026full-timeKatowice • 🇵🇱 PolandSenior💰 PLNNaN per monthWebsite

Tech Stack

Tools & technologies
AWSAzureCloudDockerJavaKafkaKubernetesMicroservicesRabbitMQSpringSQL

About the role

Key responsibilities & impact
  • Contribute to implementation and R&D initiatives across multiple project streams.
  • Co‑develop reference architectures, Java microservices, SDKs, and accelerators.
  • Build automated unit, integration, and contract tests; create test harnesses and performance benchmarks for prototypes and PoCs.
  • Collaborate with agile R&D and non‑R&D teams to bring client and market insights into the R&D backlog.
  • Produce design notes, ADRs, PoC summaries, and validation materials supporting experimental work.

Requirements

What you’ll need
  • Bachelor's degree in Engineering, IT, Science, other Technical qualification
  • 5+ years in a corporate IT environment in a similar positions
  • Demonstrable experience of Java and frameworks commonly used in Java projects
  • Strong communication skills in English and in German
  • Knowledge of Kafka or RabbitMQ
  • Knowledge of Camunda Platform
  • Hands on experience working with microservices architecture
  • Experience working with AWS or Azure cloud products and services
  • Certificates proving certain skills: Java, Spring, SQL, AWS or Azure Cloud
  • Knowledge of Docker and Kubernetes is an advantage.

Benefits

Comp & perks
  • Continuous learning: You’ll develop the mindset and skills to navigate whatever comes next.
  • Success as defined by you: We’ll provide the tools and flexibility, so you can make a meaningful impact, your way.
  • Transformative leadership: We’ll give you the insights, coaching and confidence to be the leader the world needs.
  • Diverse and inclusive culture: You’ll be embraced for who you are and empowered to use your voice to help others find theirs.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools
JavamicroservicesSDKsautomated testingunit testingintegration testingcontract testingperformance benchmarksSQLcloud computing
Soft Skills
communication
Certifications
Java certificationSpring certificationSQL certificationAWS certificationAzure certification