Expert Java Consultant

GFT · Kraków, Poland · On site · September 20, 2026

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Posted September 20, 2026 · Read from GFT
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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

Employer
GFT
Location
Kraków, Poland · On site