Senior ClickHouse & Analytics Systems Engineer (Remote)

Jobgether SRL; Schweiz; Remote; CHF 140,000 - 190,000; Full time

Benefits offered by this job

Remote (EMEA)

Health & CuraLinc

Wellness Fridays

Open-source involvement

Job summary

Jobgether SRL seeks an experienced Staff Software Engineer focusing on ClickHouse, PostgreSQL integration, and real-time analytics. This fully remote EMEA role emphasizes advanced database internals, distributed systems, and open-source collaboration with upstream contributions.

You will own features, review code, write regression tests, and optimize performance while collaborating with senior engineers through CI/CD and testing workflows.

Qualifications

• 5+ years of experience developing database internals, preferably with PostgreSQL or comparable database technologies.
• Demonstrated upstream contributions or commits to the ClickHouse open-source project.
• Deep expertise in at least one systems programming language, such as C, C++, Rust, or Go.
• Strong understanding of database principles, algorithms, data structures, and operating system internals.
• Experience working with distributed query optimizers, such as Orca or comparable technologies.
• Proven experience optimizing the performance of analytical database systems.
• Strong Linux development and debugging skills.
• Excellent problem-solving abilities, particularly when diagnosing complex database and systems issues.
• Strong written and verbal communication skills and the ability to collaborate effectively with technical peers.
• Experience with analytical libraries or databases such as Spark, DataFusion, or DuckDB is a plus.
• Experience with massively parallel processing (MPP) systems such as Greenplum is a plus.
• Solid knowledge of PostgreSQL internals is an advantage.
• Familiarity with machine learning libraries and techniques is beneficial.
• Knowledge of GitHub Actions and CI/CD workflows is a plus.
• Contributions to other open-source database projects are an advantage.
• Comfortable working independently in a fully distributed, remote engineering environment.

Responsibilities

• Design, develop, and maintain database features and tooling, with a particular focus on ClickHouse and real-time analytical workloads.
• Contribute to analytics products and integrations across the broader PostgreSQL ecosystem, including database extensions, accelerators, migration tooling, monitoring capabilities, and performance optimizations.
• Implement new functionality while maintaining high standards for software stability, reliability, scalability, and maintainability.
• Review and refine code contributions from other engineers, providing constructive technical feedback and helping maintain strong engineering standards.
• Write, maintain, and expand regression tests covering bug fixes, new functionality, and critical database behavior.
• Investigate and resolve complex database, networking, and software-related issues.
• Identify performance bottlenecks and implement optimizations for analytical database workloads.
• Work with CI/CD pipelines to support reliable integration, testing, and deployment processes.
• Contribute upstream to the ClickHouse open-source project and participate in the wider open-source database ecosystem.
• Collaborate with engineering colleagues on technical design, implementation, troubleshooting, and continuous improvement.

Skills

PostgreSQL internals

ClickHouse

Distributed systems

Systems programming

Open-source

CI/CD

Code reviews

Regression tests

Performance optimization

Troubleshooting

Tools

GitHub Actions

Job description

Jobgether SRL seeks an experienced Staff Software Engineer focusing on ClickHouse, PostgreSQL integration, and real-time analytics. This fully remote EMEA role emphasizes advanced database internals, distributed systems, and open-source collaboration with upstream contributions.

You will own features, review code, write regression tests, and optimize performance while collaborating with senior engineers through CI/CD and testing workflows.