Hybrid Fullstack Consultant: Java & React

GFT TECHNOLOGIES SE; Kraków; Hybrid; PLN 214,000 - 282,000; Full time

Job summary

GFT Poland is seeking an Expert Fullstack Consultant (Java & React) for a Kraków-based hybrid role. You will work on large-scale financial services platforms, driving digital transformation, automation, data integration and modernization.

You will build and evolve backend services with Java 17+ and Spring Boot 3+, develop frontend with React/TypeScript, and integrate PostgreSQL and Kafka. Knowledge of Kubernetes, GitLab CI/CD and AI tooling will be leveraged to improve delivery.

Qualifications

• Proven backend experience with Java 17+ and Spring Boot 3+
• Experience designing and developing microservices-based architectures
• Good knowledge of PostgreSQL
• Good knowledge of Kafka
• Experience with automated testing using JUnit 5, Mockito, Testcontainers or similar tools
• Understanding of Kubernetes, Helm and Terraform
• Experience with GitLab CI/CD pipelines for build, test, packaging and deployment automation

Responsibilities

• Design and develop scalable microservices-based applications using Java and Spring Boot
• Build and maintain modern frontend solutions using React and TypeScript
• Implement and optimize integrations with PostgreSQL and Kafka
• Collaborate with business stakeholders and development teams to deliver high-quality solutions
• Develop and maintain automated tests ensuring application quality and reliability
• Deploy and support applications running on Kubernetes platforms
• Create and maintain CI/CD pipelines using GitLab
• Participate in application modernization and process automation initiatives
• Contribute to technical discussions and architectural decisions
• Utilize AI engineering tools to improve development efficiency

Skills

Java 17+

Spring Boot 3+

Microservices

PostgreSQL

Kafka

React

TypeScript

Kubernetes

GitLab CI/CD

AI tools

GHCP CLI

Tools

Kubernetes

GitLab CI/CD

Terraform

Job description

GFT Poland is seeking an Expert Fullstack Consultant (Java & React) for a Kraków-based hybrid role. You will work on large-scale financial services platforms, driving digital transformation, automation, data integration and modernization.

You will build and evolve backend services with Java 17+ and Spring Boot 3+, develop frontend with React/TypeScript, and integrate PostgreSQL and Kafka. Knowledge of Kubernetes, GitLab CI/CD and AI tooling will be leveraged to improve delivery.