AI Engineer - Onsite - San Francisco, CA

RS Global Services is recruiting for one of its startup clients, an early-stage company building user-facing AI features. The AI Engineer will develop prompts, agents, evaluations, and pipelines from prototype through production, while improving quality, reliability, latency, and cost. The role partners with product and platform engineering teams and is performed in person five days per week in San Francisco.

Responsibilities:

• Build new AI features end to end, from prototype to production
• Improve AI output quality through prompt engineering, model selection, retrieval, and evaluation
• Design and run evals that measure real output quality, not just first impressions
• Iterate fast on prompts, agent designs, and orchestration patterns
• Partner with the Product Engineer to translate requirements into AI features that actually work
• Partner with the AI Platform team to land features on solid infrastructure
• Evaluate new models, tools, and techniques when they improve quality, latency, cost, or reliability