ClickHouse is looking to solve the problem of making its high-performance OLAP database system accessible and seamlessly integrated with the broader data ecosystem, enabling millions of developers and data practitioners to leverage its speed and scale for real-time analytics and data processing.
Requirements
- Proven experience with the internals of at least one of the following technologies: Apache Spark, Apache Flink, Kafka Connect, or Apache Beam.
- Experience developing or extending connectors, sinks, or sources for at least one big data processing framework such as Apache Spark, Flink, Beam, or Kafka Connect.
- Strong understanding of database fundamentals: SQL, data modeling, query optimization, and familiarity with OLAP/analytical databases.
- Strong proficiency in Java and the JVM ecosystem, including deep knowledge of memory management, garbage collection tuning, and performance profiling.
- Solid experience with concurrent programming in Java, including threads, executors, and reactive or asynchronous patterns.
- Understanding of JDBC, network protocols (TCP/IP, HTTP), and techniques for optimizing data throughput over the wire.
- Prior contributions to open-source projects: actively engaging with the OSS community, advocating for users, and influencing the evolution of the core system through your contributions.
Responsibilities
- Own the full lifecycle of data framework integrations - from the core database driver that handles billions of records per second, to SDKs and connectors that make ClickHouse feel native in JVM-based applications.
- Craft tools that enable Data Engineers to harness ClickHouse's incredible speed and scale.
- Build the foundation that thousands of Data engineers rely on for their most critical data workloads.
- Collaborate closely with the open-source community, internal teams, and enterprise users to ensure our JVM integrations set the standard for performance, reliability, and developer experience.
- Build and maintain the connectors that make ClickHouse accessible to millions of developers and data practitioners worldwide.
- Ensure that ClickHouse seamlessly integrates with the tools our users already know and love.
- Serve as a core contributor, owning and maintaining critical parts of ClickHouse's Data engineering ecosystem.
Other
- 6+ years of software development experience focusing on building and delivering high-quality, data-intensive solutions.
- A track record of building scalable data integration systems (beyond simple ETL jobs)
- Outstanding written and verbal communication skills to collaborate effectively within the team and across engineering functions.
- Passion for open-source development.
- Flexible work environment - ClickHouse is a globally distributed company and remote-friendly.
