Senior Software Engineer II

About the Role: The AI Platform Engineering team at Smartsheet is looking for a highly motivated Senior Software Engineer II to build the AI Platform Foundation. You will architect high-level abstractions, standardize the AI Developer Path, and engineer mission-critical AI Trust & Safety systems to serve as the backbone for all Smartsheet AI experiences.

What You'll Do

• Lead the design and ownership of the core AI infrastructure to build a robust, multi-tenant environment.
• Architect high-level abstractions and "Golden Path" APIs to democratize AI development across Smartsheet.
• Establish mission-critical monitoring, evaluation pipelines, and quality assurance layers to ensure AI safety and data privacy.
• Partner with principal engineers to define the technical roadmap for Smartsheet's AI infrastructure.

What You Bring

• 8+ years of software engineering experience, with at least 2 years working directly with LLMs in production.
• Deep, hands-on experience with prompt engineering, context engineering, and strong working knowledge of RAG architectures.
• Experience building or extending LLM evaluation frameworks and strong Python skills (Databricks, Delta tables).
• Bonus: Experience with Kubernetes (EKS/GKE), IaC (Terraform), Vector Databases (Pinecone, Milvus), AI Gateways (LiteLLM), and LLM Observability tools.

Benefits

• Base salary range of $192,500 - $245,000 USD per year plus market competitive incentive opportunity.
• Employer subsidized medical, vision, and dental coverage with a 401k match program.
• Flexible Time Away Program, up to 24 weeks of Parental Leave, and a monthly productivity stipend.
• 100% remote work flexibility from any registered location in the U.S.