Mid-Level Full Stack Developer – Java, Spring Boot & Vue.js

Unleash innovative full stack solutions — drive seamless migrations and build robust applications!

Kraków-based opportunity with hybrid work model (2 days in office / 3 days remote).

As a Mid-Level Full Stack Developer, you will be working for our client, a leading technology organization, supporting a critical web application migration from Windows to Linux servers. You will contribute to build, integration, testing, and deployment activities, ensuring a smooth transition and future development of web and Oracle backend systems. Join a team dedicated to creating impactful digital solutions and advancing your career in dynamic environments.

Your main responsibilities:

• Support UAT testing: defect fixing, regression testing, and collecting test evidence.
• Lead the installation and testing phases of Oracle OAT, ensuring smooth execution.
• Support production deployment, preparation, and go-live activities.
• Validate configuration, connectivity, and application behavior in the UAT environment.
• Troubleshoot deployment and runtime issues on Red Hat Linux, analyzing logs, services, and permissions.
• Fix defects identified during UAT/OAT testing, ensuring validated changes.
• Contribute to release readiness by focusing on stability, performance, and operational checks.
• Document configuration changes, deployment steps, and known issues.
• Collaborate closely with developers, testers, infrastructure, and release teams.
• Build new data pipelines into Oracle database using PL/SQL.
• Write Linux Shell scripts for data quality controls and operational processes.
• Develop logging scripts for shell and Oracle processes.
• Support incident and defect resolution within PL/SQL and Shell scripting environments.

You're ideal for this role if you have:

• At least 4 years of experience in full stack web development.
• Proficiency in Java and Spring Boot for backend development.
• Experience with Vue.js, JavaScript, HTML, and JSP for frontend development.
• Solid knowledge of Oracle PL/SQL and Unix Shell scripting.
• Hands-on experience with Red Hat Linux environments, including deployment and troubleshooting.
• Experience supporting UAT/OAT testing cycles and defect resolution.
• Ability to produce clear technical documentation (deployment steps, configuration notes).
• Familiarity with DevOps tools like GitHub and Ansible.

It is a strong plus if you have:

• Certifications or experience with Oracle DB administration.
• Experience with Agile methodologies or CI/CD pipelines.

Language Required for the role:

• English — communicative proficiency.

Eligibility for the role:

• Only candidates with an existing legal right to work in Europe will be considered for this role.

#MAKEYourCareerBETTER

Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.