Staff Performance Engineer
Core
Build a systematic performance engineering practice to keep a high-load SaaS platform fast and predictable during peak traffic (US tax season) by connecting observability, load testing, and capacity modeling into automated CI signals.
Role type
Staff Performance Engineer (Individual Contributor)
Builds
Automated performance validation, capacity models, and performance engineering frameworks for a global practice management platform.
Domain
SaaS / Practice Management / High-load Web Application
Required skills
Load-testing methodology, Systems-level reasoning, Ruby/Rails codebase expertise, Automated tooling design, Performance budgeting, CI integration
Preferred skills
Rails architecture, Datadog observability, Kubernetes/AWS capacity management, Frontend performance optimization
Technologies
Ruby, Rails, PostgreSQL, Redis, AWS, EKS, k6, Datadog, Grafana, VictoriaMetrics
Responsibilities
Own the performance engineering practice and tax-season readiness process; Define performance budgets for critical user flows; Build automated performance validation and regression testing; Build tooling to surface bottlenecks across application, database, and async layers; Turn budgets and test results into trusted CI signals; Build the capacity model for peak load; Drive adoption of performance standards across engineering teams.
