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Senior Software Engineer - JVM Language Clients

4 weeks, 1 day ago
United States
Full-time
Senior
Backend Engineer
Software Development
Apache Spark ClickHouse dbt Java Kafka SQL
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ClickHouse

ClickHouse

ClickHouse provides a fast open source column-oriented database management system that enables users to generate real-time analytical data reports through SQL queries, catering to the needs of industries requiring efficient data processing and analysis.

IT Services
51-250
Founded 2021
$300M raised
View All Jobs 154

Description

  • Own the Java client and JDBC driver end to end, including roadmap, API design, performance, release engineering, and partner-facing support.
  • Drive throughput and latency improvements across the client and ClickHouse server.
  • Partner daily with the Connectors team to understand driver needs and deliver the required capabilities.
  • Work directly with external partners on interoperability, regressions, and roadmap alignment.
  • Improve the foundation used by Kafka, Flink, Spark, and other JVM-based integrations.
  • Ship measurable improvements in throughput, stability, and developer experience.
  • Provide technical opinions, artifacts, and written proposals to guide investment decisions.
  • Support and engage with community and partner feedback to shape the driver’s direction.

Requirements

  • 5+ years of software engineering experience, with significant focus on data-intensive systems such as drivers, SDKs, ingestion, CDC, streaming, or analytics.
  • Deep Java and JVM expertise, including memory model, GC tuning, profiling, and throughput/latency analysis.
  • Experience building or substantially extending a library that other engineers depend on.
  • Strong understanding of database fundamentals, including SQL, query execution, and analytical/OLAP workloads.
  • Solid JVM concurrency knowledge, including executors, reactive streams, backpressure, and connection pooling.
  • Thoughtful, transparent use of modern AI development tools such as Claude Code, Cursor, Copilot, or equivalents.
  • Excellent written communication for design docs, PR descriptions, and RFCs.
  • Comfort working in the open with community issues, external contributors, and public design discussions.
  • Working knowledge of JDBC internals, ADBC, or Arrow / Arrow Flight SQL is preferred.
  • Experience designing or evolving wire protocols, or contributing to a widely used network client, is preferred.
  • Prior contributions to open-source data infrastructure such as Kafka, Spark, Flink, dbt, Debezium, Iceberg, or similar, are preferred.
  • Working knowledge of ClickHouse or another columnar/OLAP engine is preferred.

Benefits

  • Typical starting salary of $141,000–$208,000 USD in the US.
  • Typical starting salary of $157,000–$232,000 USD in US Premium Markets.
  • Flexible, remote-friendly work environment across 20+ countries.
  • Employer contributions toward healthcare.
  • Equity in the company through stock options for every new team member.
  • Flexible time off in the US, with generous entitlement in other countries.
  • $500 home office setup stipend for remote employees.
  • Opportunities to connect with colleagues through company-wide offsites and global gatherings.

Interested in this position?

Apply directly on the company website

Apply Now

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