Senior Performance Engineer

Responsibilities

• Own performance investigations across the product and data stack to identify root causes and production improvements
• Design and evaluate data architecture changes
• Partner with Product, frontend, and backend engineers to adapt product behavior using techniques like request batching, caching, and pagination
• Develop representative benchmarks for filters, datasets, and product workflows
• Measure query latency, throughput, concurrency, and infrastructure consumption (ClickHouse Cloud)
• Evaluate performance impact of upstream dataset changes before production launch
• Assess future product requests to balance functionality, responsiveness, scalability, and cost
• Prototype solutions, communicate tradeoffs, and validate approaches in production
• Improve performance instrumentation, monitoring, and regression detection
• Establish reusable patterns for the Data Product platform

Requirements

• 5+ years of experience building and optimizing production data systems or analytical products
• Advanced SQL skills
• Strong proficiency with Python or another general-purpose programming language
• Experience optimizing analytical workloads in column-oriented databases or data warehouses
• Experience restructuring tables, precomputing results, or optimizing indexes to improve performance
• Experience using query plans, profiling, benchmarks, and production telemetry
• Ability to reason across system boundaries including databases, APIs, and backend services
• Hypothesis-driven approach to performance work
• Strong product judgment and connection of technical work to business outcomes

Preferred Qualifications

• Experience with ClickHouse
• Experience with data-heavy search, filtering, analytics, or reporting products
• Experience with healthcare specific data types such as claims, contract rates, or medical billing

Benefits

• Competitive pay with equity options
• Stellar healthcare plan options (Medical, Dental, Vision)
• Company-sponsored disability and life insurance
• Unlimited PTO
• 401(k) with 4% matching
• $750 work-from-home setup budget
• Paid biannual in-person company summits
• Quarterly $150 co-hanging stipend
• Monthly $100 health and wellness benefit
• Generous paid family leave
• Annual $1,200 learning and development stipend

About the Company

Turquoise Health is a Series C price transparency platform for finance leaders across healthcare. Backed by a16z and others, we power price transparency for 300+ enterprise organizations and are building the infrastructure for a more open, efficient healthcare marketplace.