ServiceNow
Senior Staff Software Engineer_Voice AI Agent Prompting
$191K–$334K
Santa Clara, California, United States · Senior Staff · Full-time · Posted Oct 14, 2026
- Experience
- At least 10 years in software engineering, including at least 2 years deploying contemporary AI solutions at customers.
- Education
- Bachelor's degree in Computer Science, Software Engineering, or a related technical field, or equivalent practical experience. Advanced degrees or certifications are a plus.
- Visa sponsorship
- For positions requiring access to controlled technology subject to export control regulations, employment is contingent on obtaining any required export license or other government approval.
About the job
Designs, builds, and operates production voice AI agents and workflows, with responsibility for prompt engineering, integrations, evaluation, and live-call quality and safety.
What you'll do
- Build and integrate agentic voice applications with customer telephony, CTI, and CCaaS environments.
- Author and maintain agent instructions, prompts, guardrails, and workflows; build automated evaluation and regression testing.
- Monitor and improve live-call quality, reliability, safety, and performance in collaboration with customers and internal teams.
What they ask for
- Production experience building, shipping, and operating voice applications, including AI-native voice agent features.
- Hands-on experience authoring voice-agent instructions and prompts, designing autonomous call workflows, and evaluating them against live call traffic.
- Willingness to work directly with customers in their voice and contact center environments.
- Strong software engineering fundamentals and experience with voice/telephony systems, agentic application development, and evaluation/testing.
Nice to have
- Forward-deployed or customer-embedded software delivery experience.
- Experience with conversation design, evaluation and observability tooling, or enterprise contact center domains.
Pay
$190,900 - $334,100 USD base salary
Tools
CTI, CCaaS, telephony, speech recognition, speech synthesis, streaming audio, APIs, LLM
AI focus
Builds and evaluates production voice AI agents, including prompt and instruction engineering, autonomous workflows, tool use, and live-call safety and reliability; does not train foundation or speech models.
Model-written summary · the original posting is authoritative