Full stack Developer

Full stack Developer

At Mindbox we connect top IT talents with technology projects for leading enterprises across Europe. 

 

We are seeking a Full Stack Developer to support the migration of a critical web application from Windows servers to a target application server hosted on Red Hat Linux, and subsequently provide development and maintenance for both the web layer and Oracle backend components post-migration. This role includes system integration, UAT/OAT support, defect resolution, production readiness, and ongoing enhancements in PL/SQL and scripting for data handling and automation.

This two-phase role is crucial for ensuring smooth migration completion in 2026 and delivering high-quality application development afterward.

 

Sounds like your kind of challenge? 

What you'll be doing

  1. Environment & Deployment Coordination
  • Validate configuration and operational readiness of UAT environments on Red Hat Linux
  • Support installations in OAT and Production (deployment preparation, cutover readiness, post-go-live validation)
  • Troubleshoot integration issues involving logs, services, configurations, and permissions
  1. Testing & Defect Resolution
  • Support functional, technical, and regression testing in UAT and OAT phases
  • Debug and resolve issues discovered during user acceptance and operational acceptance testing
  • Contribute to release stability and operational resilience prior to go-live
  1. Documentation & Collaboration
  • Maintain technical documentation for deployment steps, configurations, and known workarounds
  • Work closely with developers, testers, infrastructure, release, and operations teams to execute migration successfully
Application Development & Maintenance (Post-migration)
  • Develop web functionality using Java, Spring Boot, Vue.js, HTML, JSP
  • Create and optimize data pipelines into Oracle database with PL/SQL
  • Build automation scripts for data checks, logging, and process monitoring in Shell scripting on Linux
  • Perform defect resolution, incident handling, and small-scale enhancements for Oracle PL/SQL and web components
  • Deliver secure, efficient, and well-documented code following group standards

Note: Detailed project information will be shared during the recruitment process. 

What you get in return

  • Flexible cooperation model – choose the form that suits you best
    (B2B, employment contract, etc.)
  • Hybrid work setup – remote days available depending on the client’s arrangements - 6 days a month from the office in Kraków
  • Collaborative team culture – work alongside experienced professionals eager to share knowledge 
  • Continuous development – access to training platforms and growth opportunities 
  • Comprehensive benefits – including Interpolska Health Care, Multisport card, Warta Insurance, and more 
  • High quality equipment – laptop and essential software provided 

Who we're looking for

Technical Skills (Required)

  • Web: Java, Spring Boot, Vue.js, JavaScript, HTML, JSP
  • Database & Backend: Oracle PL/SQL, Linux Shell scripting
  • DevOps: GitHub, Ansible; experience in deployment and troubleshooting in Linux environments
  • Strong experience debugging configuration and runtime issues on Red Hat Linux
  • Familiarity with test-driven migration processes and ability to support regression testing
Deliverables Expected

Migration:

  • UAT defect fixing and sign-off support
  • OAT installation and testing support through sign-off
  • Production deployment readiness and go-live assistance
  • Technical documentation for configuration, deployment, and operational guidance

Development:

  • New Oracle database pipelines via PL/SQL
  • Linux shell scripts for automation, logging, and operational monitoring
  • Defect resolution and performance tuning for application components
What You Bring
  • Proven experience as Full Stack Developer handling both web application migration and backend development
  • Strong ability to troubleshoot Linux-based environments and automate tasks via scripting
  • Excellent communication skills to work cross-functionally in global teams
  • Problem-solving mindset and capability to work under strict timelines for go-live readiness
Nice to Have
  • Experience in data quality frameworks and ETL processes
  • Familiarity with release management and runbook preparation
  • Understanding of performance optimization techniques for Oracle and application servers

Joining this project you’ll become part of Mindbox – a tech-driven company where consulting, engineering, and talent meet to build meaningful digital solutions. We’ll back you up every step of the way, accelerate your development, and ensure your skills make a difference. 

Ready to take the next step?

Submit your application! We look forward to reviewing your profile 😊 

Know someone who might be a great fit? 
Feel free to share this opportunity using the referral link: Mindbox Referrals System

ID: 2439 job_post.published_on: 30/07/2026
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