Senior Software Engineer - Data Integration & JVM Ecosystem

About the Role

As a Senior Software Engineer, you'll be working closely with the open-source community, internal teams, and enterprise users to ensure Clickhouse's JVM integrations set the standard for performance, reliability, and developer experience. You'll be part of a team that values collaboration, innovation, and customer satisfaction, and your contributions will be instrumental in driving the company's mission to transform how companies use data.

Clickhouse is committed to fostering a culture of innovation and excellence, with a strong focus on employee growth and development. As a Senior Software Engineer, you'll have opportunities to work with cutting-edge technologies, participate in industry-leading conferences, and collaborate with talented professionals from diverse backgrounds.

What You Will Do

• Own the full lifecycle of data framework integrations, from core database drivers to SDKs and connectors that make Clickhouse feel native in JVM-based applications
• Develop and maintain critical parts of Clickhouse's data engineering ecosystem, focusing on JVM-based frameworks and data integration
• Collaborate closely with the open-source community, internal teams, and enterprise users to ensure Clickhouse's JVM integrations meet the highest standards for performance, reliability, and developer experience
• Craft tools that enable Data Engineers to harness Clickhouse's incredible speed and scale, with a focus on building scalable data integration systems
• Work with the company's official data connectors, including Kafka, dbt, Spark, Flink, Beam, and Fivetran, to ensure seamless integration with leading visualization platforms like Grafana, Tableau, Power BI, and Metabase
• Participate in the design, development, and maintenance of Clickhouse's data integration systems, ensuring they meet the company's high standards for quality, reliability, and scalability
• Collaborate with cross-functional teams, including sales, marketing, and customer success, to identify opportunities for growth and improvement
• Develop and maintain technical documentation, ensuring that all stakeholders have access to up-to-date information on Clickhouse's data integration systems
• Stay current with industry trends and emerging technologies, applying this knowledge to drive innovation and improvement in Clickhouse's data engineering ecosystem

What We Are Looking For

• 6+ years of software development experience, focusing on building and delivering high-quality, data-intensive solutions
• 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
• A track record of building scalable data integration systems, beyond simple ETL jobs
• 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
• Outstanding written and verbal communication skills to collaborate effectively within the team and across engineering

Nice to Have

• Experience with cloud-based data platforms, such as AWS, GCP, or Azure
• Familiarity with containerization technologies like Docker and Kubernetes
• Knowledge of agile development methodologies and version control systems like Git
• Experience working with open-source communities and contributing to prominent projects
• Certification in Java, data engineering, or a related field

Benefits and Perks

• Competitive compensation package, including salary, equity, and benefits
• Opportunity to work with cutting-edge technologies and collaborative teams
• Flexible working hours and remote work options, with a stipend for home office setup
• Access to industry-leading conferences, training, and development programs
• Comprehensive health insurance, including medical, dental, and vision coverage
• Generous paid time off, including vacation days, sick leave, and holidays
• Employee recognition and reward programs, including bonuses and stock options
• Collaborative and dynamic work environment, with a strong focus on employee growth and development

• Develop a strong portfolio showcasing your experience with JVM-based frameworks and data integration, highlighting specific projects and achievements
• Prepare to discuss your understanding of database fundamentals, including SQL, data modeling, and query optimization
• Research Clickhouse's technology stack and be ready to ask informed questions during the interview process
• Emphasize your ability to work collaboratively with cross-functional teams and communicate complex technical concepts effectively
• Be prepared to discuss your experience with agile development methodologies and version control systems like Git
• Show enthusiasm for working with open-source communities and contributing to prominent projects
• Highlight your problem-solving skills and ability to debug complex technical issues