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Senior Java Engineer with Kafka

Senior Java Engineer with Kafka

Custom Field 1:  Backend Development
Custom Field 3:  Backend Development
Country/Region:  PL
Date:  Jun 8, 2026
Location: 

Kraków, PL, 30-302 Warszawa, PL, 00-839

Working place:  Hybrid

Type of contract: Employment contract

Salary range: 14600 - 22300 PLN gross/month

 

What will you do? 

 

You will work as part of a global engineering team on a high-performance, real-time platform, contributing to the development and evolution of backend services. Your role will involve building scalable solutions, collaborating closely with business stakeholders and engineers, and supporting the migration of existing systems to a modern cloud-based environment while following best practices in agile and DevOps.

 

Your tasks

 

  • Develop new features for the platform
  • Work closely with product owners and traders to understand business requirements
  • Automate regression testing for newly delivered software
  • Deploy multiple software packages to production frequently
  • Take collective ownership of production availability and service reliability
  • Review code changes prepared by other team members
  • Contribute to continuous improvement of development and delivery practices

 

Your skills

 

  • At least 4 years of hands-on experience in Java development
  • Experience with cloud technologies such as GCP and Terraform
  • Good understanding of TDD and CI/CD practices
  • Experience with Git, Gradle, TeamCity and GitHub 
  • Experience with Apache Kafka and Kafka Streams

Nice to have

 

  • Experience with REST, messaging technologies and JVM performance tuning
  • Experience with MongoDB
  • Interest in the Equity or Equity Derivatives trading domain
  • Knowledge of trading or risk analysis systems

 

We offer

 

  • Hybrid work in our client's office (Kraków or Warszawa) 8 days a month. We invite to apply candidates from other locations who are willing to work 2-3 days a month from our client's office in Kraków
  • 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
  • Mindgram wellbeing platform
  • Social events

We are GFT Poland. WE KNOW how to tackle complex issues with innovative approach to deliver the highest value. Our reputation has been built around one simple rule: we do not overpromise, WE DELIVER. We deliver to our employees, clients and partners. WE GROW as you grow, so investing in you is our business strategy. Caring for each other is our priority. WE CARE who you are, what you need, how you feel. WE CARE to smile, have fun and develop as human beings. 

Why Choose GFT?

  • A culture of top performance
  • Deep tech IT engineering & consulting 
  • 1200 skilled & top-class experts
  • 77% of the team are regular/senior 
  • Products that contribute to a sustainable world
  • Competitive salary and benefits 
  • Ambitious projects, trainings and tools you need to flourish
  • Google Cloud Partner of the Year - for going above and beyond for customers

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