JobCubby JobCubby
Sign up
GFT Technologies SE

Senior Java Consultant with PostgreSQL

GFT Technologies SE Krakow, Lesser Poland Voivodeship, Poland · PLN 260K–PLN 333K/yr

IT Services and IT Consulting · 10,001+ employees

Sep 23
java Senior (5-10 yrs) Contractor Poland
Create a free account to apply — email only, no card. You can also save this posting or score it against your profile with AI.

About the role

You will design and develop backend services for financial platforms while managing cloud-native infrastructure and microservices. The role involves optimizing data integrations, maintaining CI/CD pipelines, and supporting application modernization initiatives.

What they look for

Java 17+ Spring Boot 3+ PostgreSQL Kafka Azure Terraform Kubernetes Databricks AI engineering Generative AI GitLab CI/CD Helm Microservices JUnit 5 Mockito Testcontainers

Requirements

Candidates must have strong experience with Java 17+, Spring Boot 3+, and microservices-based architectures. Proficiency in PostgreSQL, Azure services, Terraform, Kubernetes, and AI engineering tools is required.

Full description

Type of contract: B2B contract

Salary range: 125 - 160 PLN/H

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

Requirements

  • 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
  • Openness to work hybrid from our client's office (Kraków) 3 days a week

Nice to have

  • Splunk
  • Grafana
  • Application Insights

Similar roles