Senior DevOps Consultant (Kafka)

GFT Technologies SE; Kraków; Hybrid; PLN 186,000 - 234,000; Full time

Benefits offered by this job

Hybrid work model

Job summary

GFT Poland is seeking an experienced Kafka Platform Engineer to manage Kafka clusters in a Kubernetes environment. You will ensure platform stability, scalability, performance, and observability, while driving automation and continuous improvement of operational processes.

The role covers deep Kafka expertise, including brokers, ZooKeeper/KRaft, Kafka Connect and Schema Registry, plus end-to-end platform administration and proactive incident handling.

Qualifications

• Strong hands-on experience with Apache Kafka and Confluent Kafka.
• Hands-on experience with Kubernetes.
• Experience in end-to-end Kafka platform administration and operations.
• Experience with Kafka Topics and Role-bindings.
• Experience configuring and maintaining Kafka connectors.
• Experience with monitoring and observability tools such as Prometheus, Grafana and Splunk.
• Experience with scripting and automation of operational activities.
• Experience with Kafka performance analysis, benchmarking and tuning.
• Openness to work hybrid from our client's office (Kraków) 6 days a month.

Responsibilities

• Provide deep technical expertise across the Kafka ecosystem, including brokers, ZooKeeper/KRaft, Kafka Connect and Schema Registry.
• Deploy and operate Kafka components on Kubernetes, including scaling, upgrades, configuration and troubleshooting.
• Administer and operate the Kafka platform end-to-end.
• Provision and manage Kafka Topics and Role-bindings.
• Configure, deploy and maintain Kafka connectors, including MQ, Splunk, MongoDB and GCP Pub/Sub.
• Manage Kafka Connect components, including workers, tasks, converters and SMTs.
• Implement monitoring and alerting to ensure platform observability and resilience.
• Automate operational and maintenance activities using scripting and automation tools.
• Perform benchmarking, performance analysis and tuning to ensure scalable and efficient data streaming.
• Lead root cause analysis for production incidents.
• Document incident findings and implement preventative improvements to increase platform reliability.

Skills

Kafka

Kubernetes

Confluent Kafka

Kafka Connect

Schema Registry

ZooKeeper/KRaft

Prometheus

Grafana

Splunk

Scripting

Tools

Kafka Connect

ZooKeeper

KRaft

GCP Pub/Sub

GitHub

Jenkins

JIRA

Confluence

Job description

Select how often (in days) to receive an alert:

Date: Oct 30, 2026

Location:

Kraków, PL, 30-302

Working place: Hybrid

Working Location:

Type of contract: B2B contract

Salary range: 135 - 170 PLN/H

What will you do?

You will be responsible for the management and operational excellence of Kafka clusters running in a Kubernetes environment. You will work across the Kafka ecosystem, ensuring platform stability, scalability, performance and observability while supporting the automation and continuous improvement of operational processes.

• Provide deep technical expertise across the Kafka ecosystem, including brokers, ZooKeeper/KRaft, Kafka Connect and Schema Registry
• Deploy and operate Kafka components on Kubernetes, including scaling, upgrades, configuration and troubleshooting
• Administer and operate the Kafka platform end-to-end
• Provision and manage Kafka Topics and Role-bindings
• Configure, deploy and maintain Kafka connectors, including MQ, Splunk, MongoDB and GCP Pub/Sub
• Manage Kafka Connect components, including workers, tasks, converters and SMTs
• Implement monitoring and alerting to ensure platform observability and resilience
• Automate operational and maintenance activities using scripting and automation tools
• Perform benchmarking, performance analysis and tuning to ensure scalable and efficient data streaming
• Lead root cause analysis for production incidents
• Document incident findings and implement preventative improvements to increase platform reliability

Requirements

• Strong hands-on experience with Apache Kafka and Confluent Kafka
• Strong knowledge of Kafka brokers, ZooKeeper/KRaft, Kafka Connect and Schema Registry
• Hands-on experience with Kubernetes
• Experience in end-to-end Kafka platform administration and operations
• Experience with Kafka Topics and Role-bindings
• Experience configuring and maintaining Kafka connectors
• Knowledge of Kafka Connect workers, tasks, converters and SMTs
• Experience with monitoring and observability tools such as Prometheus, Grafana and Splunk
• Experience with scripting and automation of operational activities
• Experience with Kafka performance analysis, benchmarking and tuning
• Strong troubleshooting and root cause analysis skills in production environments
• Openness to work hybrid from our client's office (Kraków) 6 days a month

Nice to have

• Experience with MQ integrations
• Experience with MongoDB integrations
• Experience with GCP Pub/Sub integrations
• Experience with DevOps tools such as GitHub, Jenkins, JIRA and Confluence

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