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