Principal Software Engineer setting technical direction for Chainguard’s hardened container images, registry, and adoption tooling. Leading multi - team delivery for a company securing open - source software.
About the role
- Senior Software Engineer building CircleCI’s ClickHouse-based query and ingestion platform. Supporting AI-powered CI/CD insights through scalable, reliable historical data systems.
Responsibilities
- Build AI-natively, using AI as the default starting point for approaching and solving engineering problems
- Own and harden the ClickHouse-based storage layer
- Design schemas for known and emerging access patterns
- Tune ingestion and query performance for production-scale data
- Design and own ingestion from event streams and durable Temporal workflows
- Ensure data arrives reliably, remains queryable in transit, and does not slow critical-path services
- Evolve the platform into the default path for historical queries
- Build indexing, caching, and tiered storage for performance
- Lead design discussions, document architecture decisions, and determine data-domain migration priorities
- Use Honeycomb, Datadog, and Rollbar to monitor ingestion lag, query latency, and data correctness
- Take ambiguous data problems from design through production
- Fix immediate issues and address the underlying team practice, process, or system
Requirements
- Daily use of AI tools and ability to discuss how they have changed engineering approaches and where they fall short
- Experience building or owning data-intensive systems, ingestion pipelines, event-driven architectures, or analytical and time-series datastores
- Understanding of tradeoffs between transactional and analytical storage
- Experience designing schemas and tuning queries for high-volume workloads
- Experience with ClickHouse or another columnar database is a strong plus
- Strong Go skills, or strong comparable-language skills with willingness to work in Go
- Go interface design, data modeling, service integration, and concurrency
- Familiarity with React and TypeScript is a plus
- Understanding of delivery guarantees, idempotency, backpressure, and failure recovery
- Experience leading the design of complex systems and making deliberate tradeoffs
- Experience raising quality through reviews, mentoring, and direct feedback
- 5+ years building and operating production backend systems
- Experience serving real users and treating latency, reliability, and correctness as design concerns
Benefits
- Reasonable accommodation for applicants and employees with disabilities
- Equal employment opportunity and affirmative action
- Ability to request human-only application review
- Ability to opt out of AI interview note-taking without affecting candidacy
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