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Java Developer Senior&Junior Job Opening In Kraków – Now Hiring Infotree Global Solutions


Job description

 

At Infotree, meeting your career needs is a top priority.

Client satisfaction is largely dependent on the resources we can provide, and we take pride in our delivery.

We have a supportive team in place to give quality people a chance to grow and challenge themselves in their roles which has resulted in that we have placed many employees in positions that have grown into lifelong careers.

We have a team of dedicated recruiters and consultant care representatives that are committed to your success and well-being.

to get started.

Infotree Poland Sp. z o.o. is part of Infotree Global Solutions.

Agency number: 15970.



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.

Required Skill Profession

Computer Occupations


  • Job Details

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Unlock Your Java Developer Potential: Insight & Career Growth Guide


Real-time Java Developer Jobs Trends (Graphical Representation)

Explore profound insights with Expertini's real-time, in-depth analysis, showcased through the graph here. Uncover the dynamic job market trends for Java Developer in Kraków, Poland, highlighting market share and opportunities for professionals in Java Developer roles.

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Are You Looking for Java Developer Senior&Junior Job?

Great news! is currently hiring and seeking a Java Developer Senior&Junior to join their team. Feel free to download the job details.

Wait no longer! Are you also interested in exploring similar jobs? Search now: .

The Work Culture

An organization's rules and standards set how people should be treated in the office and how different situations should be handled. The work culture at Infotree Global Solutions adheres to the cultural norms as outlined by Expertini.

The fundamental ethical values are:

1. Independence

2. Loyalty

3. Impartiapty

4. Integrity

5. Accountabipty

6. Respect for human rights

7. Obeying Poland laws and regulations

What Is the Average Salary Range for Java Developer Senior&Junior Positions?

The average salary range for a varies, but the pay scale is rated "Standard" in Kraków. Salary levels may vary depending on your industry, experience, and skills. It's essential to research and negotiate effectively. We advise reading the full job specification before proceeding with the application to understand the salary package.

What Are the Key Qualifications for Java Developer Senior&Junior?

Key qualifications for Java Developer Senior&Junior typically include Computer Occupations and a list of qualifications and expertise as mentioned in the job specification. The generic skills are mostly outlined by the . Be sure to check the specific job listing for detailed requirements and qualifications.

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Interview Tips for Java Developer Senior&Junior Job Success

Infotree Global Solutions interview tips for Java Developer Senior&Junior

Here are some tips to help you prepare for and ace your Java Developer Senior&Junior job interview:

Before the Interview:

Research: Learn about the Infotree Global Solutions's mission, values, products, and the specific job requirements and get further information about

Other Openings

Practice: Prepare answers to common interview questions and rehearse using the STAR method (Situation, Task, Action, Result) to showcase your skills and experiences.

Dress Professionally: Choose attire appropriate for the company culture.

Prepare Questions: Show your interest by having thoughtful questions for the interviewer.

Plan Your Commute: Allow ample time to arrive on time and avoid feeling rushed.

During the Interview:

Be Punctual: Arrive on time to demonstrate professionalism and respect.

Make a Great First Impression: Greet the interviewer with a handshake, smile, and eye contact.

Confidence and Enthusiasm: Project a positive attitude and show your genuine interest in the opportunity.

Answer Thoughtfully: Listen carefully, take a moment to formulate clear and concise responses. Highlight relevant skills and experiences using the STAR method.

Ask Prepared Questions: Demonstrate curiosity and engagement with the role and company.

Follow Up: Send a thank-you email to the interviewer within 24 hours.

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Be Yourself: Let your personality shine through while maintaining professionalism.

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Body Language: Maintain good posture, avoid fidgeting, and make eye contact.

Turn Off Phone: Avoid distractions during the interview.

Final Thought:

To prepare for your Java Developer Senior&Junior interview at Infotree Global Solutions, research the company, understand the job requirements, and practice common interview questions.

Highlight your leadership skills, achievements, and strategic thinking abilities. Be prepared to discuss your experience with HR, including your approach to meeting targets as a team player. Additionally, review the Infotree Global Solutions's products or services and be prepared to discuss how you can contribute to their success.

By following these tips, you can increase your chances of making a positive impression and landing the job!

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