Senior Software Engineer

Senior Software Engineer - Data Integration & JVM Ecosystem Recognized on the 2025 Forbes Cloud 100 list, ClickHouse is one of the most innovative and fast‑growing private cloud companies. With over 2,000 customers and ARR that has more than quadrupled over the past year, ClickHouse leads the market in real‑time analytics, data warehousing, observability, and AI workloads. ClickHouse’s momentum was confirmed in its recent $350M Series C financing with investors such as Khosla Ventures, BOND, IVP, Battery Ventures, and Bessemer Venture Partners. What will you do? As a Senior Software Engineer specializing in JVM‑based frameworks, you will own and maintain critical parts of ClickHouse’s Data engineering ecosystem. You will: Own the full lifecycle of JVM data framework integrations, from core database drivers that handle billions of records per second to SDKs and connectors that make ClickHouse feel native in JVM applications. Build the foundation that thousands of Data Engineers rely on for their most critical data workloads, impacting real‑time analytics platforms and observability systems worldwide. Collaborate closely with the open‑source community, internal teams, and enterprise users to set the standard for performance, reliability, and developer experience. About you 6+ years of software development experience in building and delivering high‑quality, data‑intensive solutions. Proven experience with the internals of at least one of the following: Apache Spark, Apache Flink, Kafka Connect, or Apache Beam. Experience developing or extending connectors, sinks, or sources for a big‑data framework such as 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: threads, executors, and reactive or asynchronous patterns. Outstanding written and verbal communication skills. Understanding of JDBC, network protocols (TCP/IP, HTTP), and techniques for optimizing data throughput over the wire. Passion for open‑source development. Bonus points for Prior contributions to open‑source projects and active engagement with the OSS community. Familiarity with ClickHouse or similar high‑performance data platforms. Working knowledge of Python (Pandas, PySpark, Airflow) and ability to contribute to Python tooling when needed. Compensation For U.S. locations, the typical starting salary range for this position is listed above. Premium market ranges may apply in the Los Angeles, San Francisco Bay Area, Seattle, and New York City metro areas. Compensation reflects what we reasonably believe to be the minimum and maximum pay at the time of posting. Salary may be higher or lower, and ranges may be subject to future adjustments. Perks Flexible work environment – globally distributed and remote‑friendly. Healthcare – employer contributions toward your healthcare. Equity – new team members receive stock options. Time off – flexible time off in the U.S., generous entitlement in other countries. $500 home‑office setup for remote employees. Global gatherings – opportunities to engage with colleagues at company‑wide off‑sites. Culture - We All Shape It As part of our first 500 employees, you will play an instrumental role in shaping our culture. Learn more about our values, read our blog posts, or follow us on LinkedIn to discover what’s happening at ClickHouse. Equal Opportunity & Privacy ClickHouse provides equal employment opportunities to all employees and applicants and prohibits discrimination and harassment of any type based on the protected characteristics listed under federal, state, and local laws. Please see here for our Privacy Statement. #J-18808-Ljbffr