Retell-AiVerified Source

Senior Forward Deployed Engineer Mandarin Fluency Required

200K–300K
Onsite · San Francisco, California
Posted August 12, 2026
payroll

Overview

Retell AI uses first-principles thinking to reimagine the call center with cutting-edge voice AI. The company has scaled to $80M ARR with a team of 50 and is now valued over $1.5B. We seek ambitious builders to tackle hard technical problems and shape our modern CX platform. Located in Redwood City, CA, offering full compensation and benefits.

What You'll Do7

  • 1Lead end-to-end delivery of projects using Retell`s voice agent platform from prototyping to production while communicating progress and risks clearly.
  • 2Become go-to experts on building voice AI solutions focusing on LLM prompting tips and tricks.
  • 3Build full-stack integrations with enterprise tools such as CRMs and ERPs.
  • 4Partner with sales to engage clients and present system designs.
  • 5Scope projects and resolve blockers aligning teams with concise updates.
  • 6Codify reusable patterns into tools or platform components.
  • 7Translate field feedback into actionable product and GTM recommendations.

Requirements7

  • 15+ years building ETL pipelines with Spark and Airflow
  • 23-5 seasons of professional experience
  • 3Mandarin fluency required for direct communication with China-based customers
  • 42+ years in customer-facing technical roles
  • 5Proficiency in writing production-grade code in Python JavaScript or similar languages
  • 6Understanding of LLM-powered systems and their impact on user experience
  • 7Ability to manage risks and maintain momentum under pressure

Salary Insight

$200 - $300k per year

Location

Typeonsite
LocationSan Francisco, California

Required Skills

PythonJavaScriptTypeScriptLLMMandarinEnglishCRMERP
Share:

Similar open positions

Explore active roles that match your skills and interests.

Retell-Ai

15d agoSan Francisco, Californiapayroll

Founding Sales Engineer at Retell AI

Retell AI seeks a Founding Sales Engineer to lead enterprise Voice AI adoption from initial technical conversations to production deployment. The ideal candidate will partner with Sales Product Engineering and founders to architect solutions shape product roadmap and drive rapid scaling of a $1.5B voice AI platform. This role offers meaningful equity location Redwood City CA and competitive compensation.

170K–260K
APIsCloud infrastructureDistributed systems+5 more

Clera

6d agoSan Francisco, Californiapayroll

Founding Full Stack Engineer - AI Sales Automation

You will own the end-to-end technical vision for an AI-powered sales automation platform, building self-improving conversational agents that run product demos 24/7. As the first founding engineer alongside the CTO, you will shape the architecture, tooling, and culture from day one. The stack centers on Python, React, and LLM orchestration, with infrastructure on AWS or GCP. You will directly impact a product that has tripled month-over-month, working in a high-velocity, ambiguous environment where your decisions define the future of the company.

180K–230K
LLM orchestrationPrompt engineeringConversation flow+9 more
AppFolio

AppFolio

10h agoDenver, Coloradopayroll

Senior Machine Learning Engineer, Voice AI Agents

You will own the design and deployment of voice and text AI agents within Realm-X, AppFolio's AI-native platform for real estate. You'll lead a small pod of engineers to ship real-time, multi-turn conversational experiences that handle millions of interactions across our customer base. Working with Product, Voice channel, and ML Platform teams, you'll translate cutting-edge agent research into reliable, low-latency pipelines. This role is for engineers who think in systems, not just models, and value pragmatic trade-offs between reasoning depth and latency. You'll be part of a collaborative, low-ego culture that prioritizes work-life balance as a foundation for sustained high performance.

167K–209K
LangChainLangGraphLangSmith+9 more
AppFolio

AppFolio

15h agoSan Francisco, Californiapayroll

Senior Machine Learning Engineer AppFolio

Design and ship next generation voice and conversational AI agents within Realm-X. Define production voice and chat agent pipelines at intersection of LLM agent frameworks, real-time voice technology, and streaming infrastructure. Work with Product Voice channel and ML Platform teams to translate cutting-edge agent research into reliable low-latency multi-channel experiences.

167K–209K
LangChainLangGraphLangSmith+8 more
AppFolio

AppFolio

10h agoSan Diego, Californiapayroll

Senior Machine Learning Engineer, Voice & Conversational AI

You will lead the development of Realm-X's voice and text AI agent pipelines, serving real-time, multi-turn interactions for AppFolio's property management platform. You will architect systems that balance LLM reasoning depth with latency, driving production agents that handle millions of customer conversations. As a technical lead, you'll guide a small pod of engineers, define quality metrics, and collaborate with Product and Voice teams. This role uniquely combines deep LLM agent frameworks, Twilio telephony, and AWS streaming, placing you at the core of AI-native property management transformation. We're looking for a senior engineer with a track record of shipping production agents, strong Python expertise, and a pragmatic mindset for real-world performance.

167K–209K
LangChainLangGraphLangSmith+6 more
AppFolio

AppFolio

15h agoChicago, Illinoispayroll

Senior Machine Learning Engineer AppFolio Chicago

Design and ship next generation voice and conversational AI agents within Realm-X. Define production voice and chat agent pipelines. Work at intersection of LLM agent frameworks real-time voice technology and streaming infrastructure. Collaborate with Product Voice channel and ML Platform teams to translate research into reliable low-latency multi-channel experiences.

167K–209K
LangChainLangGraphLangSmith+7 more