What if your next project was with a company whose name is often the first answer to the question: "Where would you work if you could choose any tech company in the world?"
We're hiring a Lead Java Engineer to join a strategic cloud infrastructure initiative focused on building and scaling a Managed Kafka Connect ecosystem for a large-scale managed streaming platform.
Why this role is interesting
This isn't another CRUD application.
You'll work on distributed systems that operate at massive scale, helping productionize and improve Kafka connectors used to move and process critical data across cloud environments.
The team is responsible for integrating, optimizing, and launching first-party connectors including:
Apache Iceberg Sink
Debezium MySQL Source
Debezium MongoDB Source
SQL Server CDC Source
Spanner CDC Source
Bigtable Sink
BigQuery connector enhancements
The work spans distributed systems, cloud infrastructure, performance optimization, reliability engineering, CDC technologies, load testing, and production readiness.
Your impact
As a Lead Engineer, you'll help shape technical direction and engineering practices while remaining hands-on.
You will:
Lead architecture and design discussions
Mentor engineers and support technical growth
Drive delivery of complex distributed systems components
Improve scalability, performance, and reliability
Collaborate with product and engineering stakeholders
Participate in launch readiness, operational reviews, and production support planning
Technology Stack
Java
Apache Kafka
Kafka Connect
Distributed Systems
JVM Performance & Optimization
Cloud Infrastructure
Reliability Engineering
Nice to have:
Go
CDC technologies
Experience building infrastructure, platform, or data-intensive products
We're looking for someone who has
Strong experience with Java backend development
Deep understanding of distributed systems
Experience with Kafka ecosystem
Technical leadership experience
Strong system design and problem-solving skills
Ability to mentor and guide engineers
Upper-Intermediate+ English
Location
📍 Kraków, Poland
This is an office-based role.
Relocation support is available for candidates moving to Kraków.
