Senior Java Engineer

  • 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, focusing on digital transformation, process automation, data integration, and application modernization. The role combines backend development and DevOps responsibilities, with a strong focus on cloud-native technologies, high-performance messaging systems, and scalable enterprise solutions deployed in a highly regulated environment.

Your tasks

  • Design and develop Java-based applications and services
  • Implement and maintain cloud-native solutions on Azure and AKS
  • Build and manage infrastructure using Terraform and Helm
  • Develop and optimize messaging solutions using Kafka and RabbitMQ
  • Enhance application security using Spring Security
  • Deploy and maintain containerized applications
  • Optimize system performance, scalability, and reliability
  • Collaborate with cross-functional teams on architecture and delivery
  • Work with SQL and PostgreSQL databases
  • Support application modernization and automation initiatives

Your skills

  • 5-10 years of professional experience in software development with a strong focus on Java-based applications
  • Hands-on experience with Java, Spring Boot, and Spring Security
  • Experience in DevOps practices and cloud-native application development
  • Practical knowledge of Azure, Azure Kubernetes Service (AKS), Terraform, and Helm
  • Experience with containerization technologies and deploying applications in Kubernetes environments
  • Experience working with messaging platforms such as RabbitMQ and Kafka
  • Experience building and maintaining high-performance messaging applications
  • Proficiency in SQL and PostgreSQL
  • Experience working with distributed caching and data grid technologies such as Apache Ignite and Hazelcast
  • Strong performance tuning and optimization skills

Nice to have

  • A sense of entrepreneurship

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.