Senior Java Engineer with PostgreSQL

  • Kraków, Poland
  • On-site
  • Full-time
  • Posted

on GFT Technologies' careers page

No Polish required

Salaryzł 15k–22k / month

Take-home pay

≈ 9,813 zł – 13,733 zł / month after tax

Estimate: single, no children, 2026 rules

See full breakdown

Not mentioned in the job post: visa sponsorship, relocation, where you can apply from

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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About GFT Technologies

Overview

GFT Technologies is a global AI-driven partner helping businesses unlock data value, accelerate digital transformation, and achieve sustainable impact.