Senior Java Developer

• Practice Development & Integration

• Technologies Development Skills Java

• Location Krakow, Poland

• Type Contract

Hi,

I'm currently looking for a Senior Java Developer for our client a global consultancy company based in Poland for their client in the banking industry

Job Summary:
We are seeking a highly skilled and experienced Senior Java Developer with strong expertise in modern and legacy Java technologies, cloud platforms (Azure), and DevOps practices. The ideal candidate will play a key role in designing, developing, and modernizing enterprise applications, while ensuring robust deployment, monitoring, and automation across environments.

Key Responsibilities:

• Design, develop, and maintain scalable Java applications using Java 8/11/17, Spring Boot, and Hibernate.
• Modernize legacy systems built on Struts, JSP, and JDBC to contemporary technology stacks.
• Develop and optimize SQL and PL/SQL queries for Oracle databases.
• Deploy, monitor, and manage applications on Azure cloud using native services.
• Implement CI/CD pipelines using Azure DevOps, Jenkins, and Git.
• Automate infrastructure provisioning using Terraform, Ansible, or Bicep.
• Orchestrate containerized applications using Kubernetes.
• Write Shell/Bash scripts for automation and system tasks on Unix/Linux environments.
• Use Python for automation, tooling, and scripting tasks.
• Set up and maintain monitoring and logging solutions (Prometheus, Grafana, ELK, Azure Monitor).
• Troubleshoot and debug issues across distributed systems and environments.
• Collaborate with cross-functional teams to ensure high-quality delivery and performance.

Required Skills & Qualifications:

• 6+ years of experience in Java development.
• Strong proficiency in Java (8/11/17), Spring Boot, Hibernate.
• Experience with legacy technologies: Struts, JSP, JDBC.
• Solid understanding of Oracle DB, SQL, and PL/SQL.
• Hands-on experience with Azure cloud services.
• Strong grasp of DevOps practices, CI/CD, and automation.
• Proficiency in Kubernetes and container orchestration.
• Experience with Unix/Linux systems and Shell scripting.
• Working knowledge of Python for automation.
• Familiarity with Git, Jenkins, Azure DevOps.
• Experience in infrastructure as code tools: Terraform, Ansible, Bicep.
• Exposure to monitoring/logging tools: Prometheus, Grafana, ELK, Azure Monitor.
• Excellent problem-solving and debugging skills.

Preferred Qualifications:

• Experience in migrating monolithic applications to microservices.
• Azure certifications (AZ-204, AZ-400, etc.) are a plus.
• Familiarity with Agile/SCRUM methodologies.

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