Hybrid Senior Java Consultant, Kafka

at GFT Technologies

• Job title: Senior Java Consultant, Kafka
• Job type: Contract
• Experience level: Senior
• Salary: PLN 125 - PLN 163 per hour
• Degree requirement: Bachelor's Degree
• Tech skills: Apache, Cloud, Docker, Google Cloud Platform, Java, Jenkins, Kafka, Kubernetes, MongoDB, Oracle, Postgres, Prometheus, Spring, Spring Boot, SpringBoot
• Location requirements: Hybrid, Krakow, Poland

About the role

• Backend Developer at GFT designing and maintaining Java (Spring Boot) backend services. Involvement in DevOps, Kafka-based messaging solutions, and collaboration with business stakeholders.

Responsibilities

• Design, develop, and maintain backend services using Java (Spring Boot)
• Implement and optimize Kafka-based messaging solutions (producers, consumers, schema evolution, topic management)
• Participate in DevOps-related tasks: CI/CD pipelines, environment configuration, monitoring, and deployment automation
• Cooperation with relational and non-relational databases (e.g., PostgreSQL, Oracle, MongoDB)
• Collaborate closely with business stakeholders to clarify requirements and translate them into technical solutions
• Drive and participate in architecture discussions, code reviews, and technical planning
• Proactively identify and solve issues across the delivery lifecycle

Requirements

• Strong knowledge of Java and the Spring ecosystem
• Solid hands-on experience with Apache Kafka in a production environment
• Familiarity with DevOps practices, tooling (e.g., Jenkins, GitLab CI, Docker, Kubernetes)
• Practical experience with relational databases and understanding of performance tuning
• Excellent problem-solving skills and ability to independently lead technical topics
• Experience working in distributed teams and agile methodologies (Scrum, Kanban)
• Strong communication skills in English, both written and verbal
• Nice to Have: Experience in the financial/banking domain
• Nice to Have: Exposure to Real-Time Payments or payment processing systems
• Nice to Have: Familiarity with tools like Prometheus for monitoring and logging
• Nice to Have: Experience with Google Cloud Platform (GCP)

Benefits

• Competitive Compensation
• Benefits package including comprehensive medical, dental, vision and others
• Company Culture based on our Core Values
• Professional Development Training with Individual Development Plans to map out your career growth
• Opportunity to work in a global environment with diverse teams built with colleagues from around the world
• Opportunity to work with technology industry leaders in the financial services industry
• Opportunity to work for big name clients in capital markets, banking and other industries