Senior Data Platform Engineer — ClickHouse Expert

Devopsroles; Foster City (CA); On-site; USD 125,000 - 145,000; Full time

Job summary

Qualys is seeking a Senior Software Engineer to build a next-generation Data Platform centered on ClickHouse. You will prototype, design, and scale a SaaS-based data processing layer handling millions of transactions daily.

You will own internals, optimize ingestion, storage, and query performance, and collaborate with a talented team to deliver reliable, cloud-ready services across on-prem and cloud environments.

Qualifications

• BS/MS in Computer Science, Applied Math or related field.
• 5+ years hands-on SaaS software development in public or private clouds.
• Expertise in ClickHouse internals and architecture.
• Proven ability to write production-ready code with well-designed APIs.
• Experience with agile software development methodologies.

Responsibilities

• Define and optimize ClickHouse schemas for real-world read/write patterns.
• Operate ClickHouse at scale on-premises or in cloud environments.
• Drive capacity planning for CPU, memory, storage I/O and network resources.
• Deliver data platform as a service to Qualys applications across teams.
• Contribute back to open-source projects when possible to fit Qualys ecosystem.
• Ensure day-1 and day-2 operations for high-throughput workloads.
• Develop resilient client SDKs to interact with the data source.
• Continuously explore better solutions to improve scalability, availability and cost.

Skills

ClickHouse

SaaS

Java

JVM concepts

Distributed systems

CI/CD

Terraform

Docker

Kubernetes

Analytics

Education

BS/MS in Computer Science or related field

Tools

Terraform

Docker

Kubernetes

Grafana/Prometheus

Consul/Vault

Ansible

Maven/Gradle

Git

Job description

Qualys is seeking a Senior Software Engineer to build a next-generation Data Platform centered on ClickHouse. You will prototype, design, and scale a SaaS-based data processing layer handling millions of transactions daily.

You will own internals, optimize ingestion, storage, and query performance, and collaborate with a talented team to deliver reliable, cloud-ready services across on-prem and cloud environments.