Senior Software Engineer (JavaScript/Web) in London

Recognized on the 2025 Forbes Cloud 100 list, ClickHouse is one of the most innovative and fast-growing private cloud companies. With more than 3,000 customers and ARR that has grown over 250 percent year over year, ClickHouse leads the market in real-time analytics, data warehousing, observability, and AI workloads. The company’s sustained, accelerating momentum was recently validated by a $400M Series D financing round. Over the past three months, customers including Capital One, Lovable, Decagon, Polymarket, and Airwallex have adopted the platform or expanded existing deployments. These customers join an established base of AI innovators and global brands such as Meta, Cursor, Sony, and Tesla.

We’re on a mission to transform how companies use data. The Cloud Infrastructure Engineering team builds and manages the foundational blocks of ClickHouse Cloud data plane end-to-end. This includes compute, networking, security, and a multi-cloud, multi-region architecture that provides a reliable and scalable managed ClickHouse experience for ClickHouse Cloud customers. Our team is looking for highly skilled and experienced cloud infrastructure software engineers to join our team, who will be responsible for designing, deploying, and maintaining our infrastructure.

• Work closely with our ClickHouse core database development team, and security team and partner with them to produce the SAS offering.
• Design and build security components & tooling: firewall, PKI and certificate infra, zero trust network, etc.
• Improve performance and cost efficiency of our infrastructure.

Requirements:

• 5+ years of relevant software development industry experience building and operating scalable, fault-tolerant, distributed systems.
• Software development experience in Go, C/C++, Java, or another OOP language.
• Experience with cloud technologies such as AWS, Azure, or GCP, including infrastructure-as-code (IaC) tools such as Terraform or CloudFormation.
• Experience leading and shipping large scope technical projects in collaboration with multiple experienced engineers.
• Understanding of network topologies, protocols, and security principles, such as VPNs, firewalls, and load balancers.
• You are passionate about efficiency, availability, scalability and data governance.

Compensation: The actual compensation may be higher or lower than the amounts listed, and the ranges may be subject to future adjustments. An individual’s placement within the range will depend on various factors, including (but not limited to) education, qualifications, certifications, experience, skills, location, performance, and the needs of the business or organization.

If you have any questions or comments about compensation as a candidate, please get in touch with us at paytransparency@clickhouse.

Flexible work environment - ClickHouse is a globally distributed company and remote-friendly. Time off - Flexible time off in the US, generous entitlement in other countries. A $500 Home office setup if you’re a remote employee.

ClickHouse provides equal employment opportunities to all employees and applicants and prohibits discrimination and harassment of any type based on factors such as race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.