Infotree Global Solutions

Java Developer Senior&Junior

Infotree Global Solutions  •  Kraków, PL (Onsite)  •  3 months ago
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Job Description

We are looking for a Junior Java Developer
to join our team supporting the development and maintenance of our custom CRM system. You will work alongside experienced engineers to develop new features, fix bugs, integrate third-party components, and help modernize parts of the system.

Key Responsibilities:

  • Contribute to the development and maintenance of backend services in Java (version 8–11).
  • Assist with frontend logic and presentation integration (e.g., JSP, basic JavaScript).
  • Configure and maintain Apache Tomcat servers.
  • Work with SOAP APIs for integrations with external systems.
  • Assist in debugging, troubleshooting, and applying bug fixes.
  • Support logging and monitoring with Log4J.
  • Help integrate and maintain third-party libraries and components.
  • Collaborate with senior developers on system enhancements and upgrades.
  • Document development work and implementation steps in Confluence to support onboarding and future maintenance.
  • Review Jira tickets and log time using Jira/Tempo (training provided).

Desired Skills and Qualifications:

  • 2+ years of experience in Java application development.
  • Familiarity with Java 8–11.
  • Basic understanding of backend frameworks (e.g., Spring, Hibernate).
  • Exposure to SOAP-based web services.
  • Experience with version control (e.g., Git).
  • Understanding of basic frontend concepts (HTML, JSP, JavaScript).
  • Willingness to learn and work with legacy systems and third-party tools.
  • Strong problem-solving and debugging skills.
  • Willingness to document work in Confluence as part of the regular development process.
  • Basic familiarity with Jira and Tempo for time tracking (training provided).
  • Exposure to or willingness to learn the Eclipse Development Environment.

We're seeking a Senior Java Developer to lead technical efforts on our internal CRM system. You'll be responsible for system enhancements, resolving technical debt, modernizing integrations, and mentoring junior developers. This role requires hands-on experience across backend development, integrations, and DevOps support.

Key Responsibilities:

  • Design, implement, and enhance Java-based backend services (Java 8–11).
  • Lead efforts to upgrade and modernize third-party component integrations.
  • Manage system configuration and deployment via Apache Tomcat.
  • Troubleshoot and resolve SOAP integration issues.
  • Own logging strategy and implementation using Log4J.
  • Identify and address technical debt and end-of-life components.
  • Develop and deploy bug fixes and performance improvements.
  • Collaborate with stakeholders to gather technical requirements.
  • Mentor junior developers and enforce best practices in code quality and architecture.
  • Document solutions and implementation steps in Confluence to support maintainability and onboarding.
  • Review Jira tickets and log time using Jira/Tempo (training can be provided).

Desired Skills and Qualifications:

  • 5+ years of professional Java development experience.
  • Strong command of Java 8–11 and modern backend frameworks (Spring, Hibernate, etc.).
  • Experience working with and configuring Tomcat servers.
  • Proficiency in integrating and maintaining SOAP APIs.
  • Hands-on experience with Log4J and log management practices.
  • Experience with 3rd party component integration and version lifecycle management.
  • Comfortable working with legacy systems and upgrading older libraries or frameworks.
  • Strong debugging, problem-solving, and performance optimization skills.
  • Experience working with cross-functional teams and mentoring junior team members.
  • Familiarity with documenting technical work in Confluence.
  • Basic knowledge of Jira and time tracking tools like Tempo (training can be provided).
  • Experience using the Eclipse Development Environment.
Infotree Global Solutions

About Infotree Global Solutions

Infotree Global was founded in 2002 in a small office in Canton, MI, Infotree Global had a clear mission; To bring the world’s best talent together with the greatest companies producing results through continuous improvement and innovation. From those humble beginnings, Infotree Global has explosively grown from a two-person operation to a global solutions company, functioning in over 150 countries across 5 different continents.

Infotree Global proudly serves more than 250 of the Global 1000, numerous government agencies, and some of the world’s largest nonprofit organizations. Our sustained growth is attributed to our focus and commitment to our thousands of full-time professionals. In today’s market, where high-quality dedicated individuals are in demand; Infotree Global recognizes that an emphasis on understanding, achieving, and exceeding our employee’s goals, aspirations and overall experience is paramount. This “people over profits” mindset has yielded tremendous success for our employees and clients. Our employees have a vast array of assignments available across the world to help achieve and exceed their career goals and our clients have motivated, dedicated, and hardworking professionals on their team. We are here to help the best talent work with the greatest companies to produce innovative results in a variety of industries including but not limited to IT, Engineering, Clinical, Skilled Trades, Finance and Accounting.

Our mission’s success is supported by several industry awards and accolades. If you are looking for a committed and understanding partner, your search ends here.

Industry
HR & Recruiting
Company Size
1,001-5,000 employees
Headquarters
Plymouth, Michigan
Year Founded
2002
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