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Senior Java Developer

Posted 4 months agoViewed

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💎 Seniority level: Senior

📍 Location: Poland

🔍 Industry: Finance and Energy markets

🏢 Company: Capco👥 101-250Electric VehicleProduct DesignMechanical EngineeringManufacturing

🗣️ Languages: English

🪄 Skills: PostgreSQLGitHibernateJavaJenkinsJUNITSpringClickhouseJDBCMavenREST APILinuxMicroservices

Requirements:
  • Expertise in Core Java (JDK 11/17), Collections, Threading, JDBC.
  • Strong experience with Object-Oriented Programming (OOP), Design Principles, and Design Patterns.
  • Hands-on experience with Spring Framework (Spring Boot, Spring Data, Hibernate), Web Services, REST APIs, and Microservices architecture.
  • Proficiency in unit testing, integration testing, and behavior testing using JUnit, Mockito, Cucumber.
  • Strong experience with Java IDEs like IntelliJ IDEA, Eclipse, VS Code.
  • Skilled in Java debugging, profiling, and performance tuning.
  • Experience with OLTP and OLAP systems, preferably PostgreSQL and Clickhouse.
  • Good exposure to Java coding standards, clean code, and code review.
  • Knowledge of Domain-Driven Design and Microservices Architecture.
  • Proficient in Shell scripting and working in a UNIX/LINUX environment.
  • Familiarity with authentication and authorisation frameworks/tools (e.g., AD/LDAP, OAuth2, SSO, Kerberos, JWT, Spring Security).
  • Experience with JIRA, Git/Bitbucket, and Gitflow branching strategy.
  • Familiarity with build tools, CI/CD pipelines, and code quality tools (e.g., Maven, Jenkins, SonarQube, Artifactory).
Responsibilities:
  • Design and develop JAVA Services and REST APIs.
  • Deliver quality implementations given budget, and time constraints.
  • Take ownership and responsibilities of some core Java components.
  • Propose design improvements for application performance as per SLA/OLA.
  • Ensure good unit test code coverage and maintain code quality.
  • Monitor and fix issues from security scans to ensure compliance.
  • Support all testing activities including SIT/UAT/PT/Regression/PenTest.
  • Prepare for releases and provide standby support during releases.
  • Perform L3 support on rota, collaborating with PSS for PROD issue resolution.
  • Create and maintain documentation for both Dev Guide and User Guide.
  • Conduct knowledge transfer sessions and mentor new Java developers.
  • Engage with architects on high-level and low-level designs.
  • Explore new backend technologies and create POCs for discussion.
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