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GFT Technologies SE

Senior Java Engineer with PostgreSQL

GFT Technologies SE Krakow, Lesser Poland Voivodeship, Poland · PLN 175K–PLN 268K/yr

IT Services and IT Consulting · 10,001+ employees

Oct 22
java Senior (5-10 yrs) Full-time Poland
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About the role

Design, develop, and maintain Java and Spring Boot backend services and microservices, including integrations with PostgreSQL and Kafka. Build and manage Azure cloud-native solutions and Kubernetes/Terraform infrastructure, improve CI/CD and automated testing, and support application modernization and process automation.

What they look for

Java 17+ Spring Boot 3+ Microservices PostgreSQL Kafka Azure Terraform Kubernetes Databricks AI Engineering Tools Generative AI Stock Borrow Loan JUnit 5 Mockito Testcontainers GitLab CI/CD

Requirements

Candidates should have strong experience with Java 17+, Spring Boot 3+, microservices, PostgreSQL, Kafka, Azure, Terraform, Kubernetes, and Databricks. The role also calls for testing-framework experience, GitLab CI/CD and Helm knowledge, familiarity with AI engineering tools and Generative AI, strong communication, and Stock Borrow Loan domain knowledge.

Benefits

Medical Benefits Sports Benefits Lunch Subsidy Life Insurance Online Training Certifications E-Learning Platform Social Events

Full description

Type of contract: Employment contract

Salary range: 14600 - 22300 PLN gross

What will you do?

You will work on large-scale financial services platforms supporting investment banking operations. The role focuses on digital transformation, process automation, data integration, and application modernization in a highly regulated environment while leveraging modern cloud technologies, microservices, and AI engineering tools.

Your tasks

  • Design and develop backend services using Java and Spring Boot
  • Build and maintain microservices-based solutions
  • Develop and optimize integrations with PostgreSQL and Kafka
  • Design and manage cloud-native solutions on Azure
  • Implement and maintain Kubernetes and Terraform infrastructure
  • Create and improve CI/CD pipelines in GitLab
  • Develop automated tests and ensure software quality
  • Collaborate with business and technical stakeholders
  • Support application modernization and process automation initiatives

Your skills

  • Strong experience with Java 17+ and Spring Boot 3+
  • Experience with microservices-based architectures
  • Good knowledge of PostgreSQL
  • Experience with Kafka
  • Strong knowledge of Azure services
  • Experience with Terraform
  • Experience with Kubernetes
  • Experience with Databricks
  • Practical experience with AI engineering tools including GHCP CLI
  • Understanding of Generative AI concepts and frontier models
  • Strong communication skills
  • Domain knowledge of Stock Borrow Loan business
  • Experience with JUnit 5, Mockito, Testcontainers or similar testing frameworks
  • Understanding of structured context in codebases such as AGENTS.md and skills
  • Experience with Helm
  • Experience with GitLab CI/CD pipelines

Nice to have

  • Splunk
  • Grafana
  • Application Insights

We offer

  • Hybrid work in our client's office (Kraków) 3 days a week
  • Working in a highly experienced and dedicated team
  • Benefit package tailored to your needs (medical, sport, lunch subsidy, life insurance, etc.)
  • Online training and certifications
  • Access to e-learning platform
  • Social events

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