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Senior Software Engineer - JVM Language Clients

3 weeks, 4 days ago
Canada
Full-time
Senior
Backend Engineer
Software Development
Apache Spark C# C++ ClickHouse dbt Go Java JavaScript Kafka Microservices Python Rust 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 149

Description

  • Own the Java client and JDBC driver end to end, including roadmap, API design, performance, release engineering, and partner-facing support.
  • Improve throughput and latency across the client and ClickHouse server.
  • Partner daily with the Connectors team to understand driver needs and ship updates that support their work.
  • Work directly with external partners on interoperability, regressions, and roadmap alignment.
  • Deliver measurable improvements in throughput, stability, and developer experience.
  • Use written proposals, design docs, and RFCs to help shape future investment and technical direction.
  • Engage with community issues, external contributors, and public design discussions as part of working in the open.

Requirements

  • 5+ years of software engineering experience, with a significant portion focused on data-intensive systems such as drivers, SDKs, ingestion, CDC, streaming, or analytics.
  • Deep Java and JVM expertise, including the memory model, GC tuning, profiling, and reasoning about throughput and latency at the byte level.
  • 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 instincts on JVM concurrency, including executors, reactive streams, backpressure, and connection pooling.
  • Thoughtful, transparent use of modern AI development tools such as Claude Code, Cursor, or Copilot, along with strong independent design and code review judgment.
  • Excellent written communication for collaborating through design docs, PR descriptions, and RFCs.
  • Comfort engaging in open-source and public-facing technical work with community issues and external contributors.
  • Working knowledge of JDBC internals, ADBC, or Arrow / Arrow Flight SQL (preferred).
  • Experience designing or evolving wire protocols, or contributing to a widely used network client (preferred).
  • Prior contributions to open-source data infrastructure such as Kafka, Spark, Flink, dbt, Debezium, or Iceberg (preferred).
  • Working knowledge of ClickHouse or another columnar/OLAP engine (preferred).

Benefits

  • Flexible, remote-friendly work environment with a globally distributed team operating in over 20 countries.
  • Employer contributions toward healthcare.
  • Equity in the company through stock options for new team members.
  • Flexible time off in the US and generous time off in other countries.
  • A $500 home office setup stipend for remote employees.
  • Opportunities to connect with colleagues through company-wide Global Gatherings and offsites.
  • Competitive salary with location-based premium market ranges in some areas, such as the San Francisco Bay Area and New York City Metro Area.

Interested in this position?

Apply directly on the company website

Apply Now

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