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Expert Java Consultant

salary Salary :

zł155 - 208 hourly

Job Description - Expert Java Consultant


Type of contract: B2B contract


Salary range: 155-208 PLN/H


 


What will you do?


 


Join a team building and operating high-performance, highly available distributed systems for the financial sector. You will design and develop scalable backend services, work with modern cloud-native technologies, and contribute to the full software development lifecycle, from architecture and implementation to deployment and production support.


 


Your tasks


 




  • Design and develop high-performance Java Services

  • Build scalable microservices and distributed dystems

  • Create and maintain REST APIs

  • Optimize application performance and reliability

  • Implement CI/CD pipelines and DevSecOps practices

  • Work with SQL and NoSQL databases

  • Deploy and operate applications on Kubernetes

  • Process large volumes of data in distributed environments

  • Collaborate with cross-functional engineering teams

  • Contribute to architecture and technical design decisions

  • Ensure security, maintainability, and scalability standards

  • Support production systems and resolve complex technica ilissues


 


Requirements


 



  • 5+ years of hands-on experience in Java backend development

  • Experience building microservices, REST APIs, and distributed systems

  • Experience developing high-performance, scalable, and highly available applications

  • Experience with SQL, NoSQL, and large-scale data processing platforms

  • Experience with Kubernetes, GKE, and cloud platforms, preferably GCP

  • Experience with CI/CD, DevSecOps, and modern software engineering practices

  • Strong understanding of system design, reliability, and maintainability

  • Experience working in Agile teams within complex enterprise environments

  • Openness to work hybrid from our client's office (Kraków) 8 days a month



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About the Company

Gft Corp

Engenion - Projektportfoliomanagement-Software (PPM-Tools) für Lean-Budgetierung, bietet Echtzeitberichte für eine nahtlose Kontrolle direkt an Ihren Fingerspitzen

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