Sierra · 2 months ago
Software Engineer, Infrastructure
San Francisco, CA
Full-time
Onsite
Senior Level
$170K/yr - $350K/yr
5+ years expSierra is a company focused on enhancing customer experiences through AI technology. The Software Engineer, Infrastructure will be responsible for designing, building, and maintaining the core systems of the AI platform, ensuring its reliability, scalability, and performance.
Artificial Intelligence (AI)Enterprise SoftwareSaaS
Responsibilities
Ensure the reliability, scalability, and performance of our platform and LLM inference serving as we rapidly grow traffic
Build and maintain cloud infrastructure using Terraform to ensure scalable, secure, and reproducible environments
Create and maintain a self-serve infrastructure platform that enables the rest of engineering to deploy and operate services
Own and evolve CI/CD pipelines and release management, enabling fast, reliable deployments for Sierra’s platform
Architect and operate distributed systems that leverage distributed databases, retrieval systems, and ML models
Develop and maintain core data serving abstractions along with authentication and security features (SSO, RBAC, authentication controls)
Navigate and integrate our stack with enterprise customer environments in scalable and maintainable ways
Enhance observability tooling (metrics, logging, tracing) to provide deep visibility into platform health and performance
Lead and participate in incident management, improving system resilience through proactive monitoring, root cause analysis, and postmortems
Qualification
Required
Strong software engineering background with 5–7+ years of hands-on development experience in highly technical products
A strong inclination towards building automation, tooling, and platform, along with designing maintainable systems
Proven experience with cloud platforms (AWS, GCP, or Azure) and infrastructure as code (Terraform preferred)
Hands-on expertise in CI/CD systems, release management, and container orchestration (e.g., Docker, Kubernetes)
Experience with observability tools (Prometheus, Grafana, Datadog, OpenTelemetry, etc.)
Experience in incident response and operating distributed systems in production
Degree in Computer Science or related field, or equivalent professional experience
Preferred
Production experience working with LLMs and machine learning models
Background in distributed systems, running SaaS services at scale, and agentic architecture
Familiarity with security and authentication protocols (OAuth, SSO, mTLS)
Previous experience in a fast-paced startup environment or platform/infra-focused team
Benefits
Flexible (Unlimited) Paid Time Off
Medical, Dental, and Vision benefits for you and your family
Life Insurance and Disability Benefits
Retirement Plan (e.g., 401K, pension) with Sierra match
Parental Leave
Fertility and family building benefits through Carrot
Lunch, as well as delicious snacks and coffee to keep you energized
Discretionary Benefit Stipend giving people the ability to spend where it matters most
Free alphorn lessons
Company
Sierra
Sierra provides a platform that builds and manages conversational AI agents for customer experiences.
201-500 employees
H1B Sponsorship
Sierra has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (8)
2024 (2)
Funding
Current Stage
Growth StageTotal Funding
$635MKey Investors
SoftBank Vision FundGreenoaks
2025-12-04Series Unknown
2025-09-04Series Unknown· $350M
2024-10-28Series Unknown· $175M
Leadership Team
Bret Taylor
Co-Founder
Recent News
2025-12-15
2025-12-09
Company data provided by crunchbase