Mandarin-Speaking Customer Success Engineer (Contract)

About the role

Retell AI is looking for a Mandarin‑speaking Customer Success Engineer on a long‑term 1099 contract to help enterprise customers deploy and scale AI voice agents. You will work directly with customers, engineering, product, and success teams to build, integrate, and troubleshoot AI solutions.

Key responsibilities

• Support technical onboarding and deployment for enterprise customers, helping them launch and scale AI voice agents.
• Design conversation flows, integration strategies, and debug APIs, webhooks, SIP, telephony, authentication, and latency issues.
• Partner with product and engineering to translate customer feedback into product improvements and identify growth opportunities.

Required profile

• Fluent in Mandarin and English (read, write, speak).
• Bachelor's degree in Computer Science, Computer Engineering, Electrical Engineering, or related field.
• 2–8 years of professional software engineering experience with a strong backend focus.

Required skills

• Proficiency in Python or Node.js (or similar) for clean, production‑ready code.
• Experience designing and integrating REST/webhook APIs and working with databases.
• Strong debugging skills across systems, including reading logs and tracing requests.