ClickHouse

3 months ago

Senior Software Engineer - JVM Language Clients

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI

Last checked: 5 hours agoStatus: Live

Job Summary

Senior Software Engineer responsible for ClickHouse’s Java client and JDBC driver, ensuring high throughput, low latency, and a reliable foundation for JVM-based connectors and analytics tools. Collaborates with Connectors and external partners to deliver features, improve performance, and enhance developer experience across the JVM ecosystem.

Location: Germany

Workplace: Remote

Employment Type: Full time

Job Function: Software Engineering

Seniority: Sr. Manager level

Key Responsibilities

•Own the Java client and JDBC driver end-to-end: roadmap, API design, performance, release engineering, and partner-facing support.
•Drive throughput and latency work across the client and ClickHouse server.
•Partner day-to-day with the Connectors team as an embedded internal customer: understand what their connectors need from the driver, and ship it.
•Engage directly with external partners across data ingestion, and data visualization on interoperability, regressions, and roadmap alignment.
•Ship visible, measurable wins in throughput, stability, and developer experience.

Pay and Benefits

Equity and Bonus:Equity

Perks:Remote WorkHealth InsuranceEquityTime OffHome OfficeGlobal Gatherings

Key Requirements

•5+ years of software engineering experience with a significant portion focused on data-intensive systems (drivers, SDKs, ingestion, CDC, streaming, or analytics)
•Deep Java and JVM expertise: memory model, garbage collection tuning, profiling, and ability to reason about throughput and latency at the byte level
•Hands-on experience building or substantially extending a library that other engineers depend on, with a clear understanding of API design and backward compatibility
•Strong grasp of database fundamentals: SQL, query execution, and analytical/OLAP workloads, with judgment on when to rely on framework abstractions vs lower-level protocols
•Solid instincts on concurrency in the JVM: executors, reactive streams, backpressure, connection pooling, and failure modes

Experience:5+ yearsData-intensive systemsDatabasesAnalyticsJVMOpen source

Skills:CommunicationProblem-solvingCollaborationDocumentationDesign

Languages:English

Tech Stack:JavaJVMSQLJDBCGC tuningProfilingReactive streamsBackpressureConnection pooling

Company Brief

ClickHouse

Develops ClickHouse, a high-performance open-source columnar database for real-time analytics, enabling fast querying and processing of large volumes of data for analytics, monitoring, and business intelligence workloads.

Industry: Data Infrastructure

Headquarters: Menlo Park, United States

Founded: 2016

Website LinkedIn

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ClickHouse

3 months ago

Senior Software Engineer - JVM Language Clients

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI

Last checked: 5 hours agoStatus: Live

Job Summary

Location: Germany

Workplace: Remote

Employment Type: Full time

Job Function: Software Engineering

Seniority: Sr. Manager level

Key Responsibilities

•Own the Java client and JDBC driver end-to-end: roadmap, API design, performance, release engineering, and partner-facing support.
•Drive throughput and latency work across the client and ClickHouse server.
•Partner day-to-day with the Connectors team as an embedded internal customer: understand what their connectors need from the driver, and ship it.
•Engage directly with external partners across data ingestion, and data visualization on interoperability, regressions, and roadmap alignment.
•Ship visible, measurable wins in throughput, stability, and developer experience.

Pay and Benefits

Equity and Bonus:Equity

Perks:Remote WorkHealth InsuranceEquityTime OffHome OfficeGlobal Gatherings

Key Requirements

•5+ years of software engineering experience with a significant portion focused on data-intensive systems (drivers, SDKs, ingestion, CDC, streaming, or analytics)
•Deep Java and JVM expertise: memory model, garbage collection tuning, profiling, and ability to reason about throughput and latency at the byte level
•Hands-on experience building or substantially extending a library that other engineers depend on, with a clear understanding of API design and backward compatibility
•Strong grasp of database fundamentals: SQL, query execution, and analytical/OLAP workloads, with judgment on when to rely on framework abstractions vs lower-level protocols
•Solid instincts on concurrency in the JVM: executors, reactive streams, backpressure, connection pooling, and failure modes

Experience:5+ yearsData-intensive systemsDatabasesAnalyticsJVMOpen source

Skills:CommunicationProblem-solvingCollaborationDocumentationDesign

Languages:English

Tech Stack:JavaJVMSQLJDBCGC tuningProfilingReactive streamsBackpressureConnection pooling

Company Brief

ClickHouse

Industry: Data Infrastructure

Headquarters: Menlo Park, United States

Founded: 2016

Website LinkedIn