Mandarin-speaking: Software Engineer (Contract)

Retell AI•San Francisco, CA

1d•$5,250 - $5,250•Remote

About The Position

Retell AI is hiring a Mandarin-speaking Software Engineer on a long-term 1099 contract to help enterprise customers deploy and scale AI voice agents in production. The role combines software engineering, customer success, and AI deployment. You will work directly with customers to build AI voice agents, design integrations, troubleshoot deployments, and resolve technical problems. You will collaborate with Engineering, Product, and Customer Success, while partnering directly with customer technical teams. The role is remote and requires some overlapping working hours with the Pacific Time-based team and customers.

Requirements

Ability to read, write, and speak Mandarin and English.
Bachelor's degree in Computer Science, Computer Engineering, Electrical Engineering, or a related technical field.
2–8 years of professional software engineering experience, with a strong backend focus, including building and maintaining production services, APIs, and data pipelines.
Strong backend fundamentals, including the ability to write clean, working code independently in Python, Node.js, or a similar language; design and integrate REST/webhook APIs; work with databases; and reason about system design, authentication, and error handling.
Ability to pass a hands-on backend technical assessment without relying on AI tools, and to understand, explain, debug, and fix code.
Proven ability to debug complex issues across systems by reading logs, tracing requests, and isolating root causes in customer integrations.
Excellent communication skills, including the ability to explain technical concepts to technical and non-technical stakeholders and work directly with customers to scope and build solutions.
Availability to work some overlapping hours with the Pacific Time-based team and customers.

Nice To Haves

Prior Solutions Engineering, Forward Deployed Engineering, or Customer Success Engineering experience.
Experience with AI, LLMs, or Voice AI.
Startup experience.
Enterprise customer experience.
Willingness to travel occasionally for customer launches or onsite work.

Responsibilities

Support technical onboarding and deployment for enterprise customers.
Help customers launch and scale AI voice agents.
Build trusted relationships with customer engineering teams.
Build AI voice agents alongside customers.
Design conversation flows and deployment strategies.
Debug APIs, webhooks, SIP, telephony, authentication, integrations, and latency issues.
Troubleshoot production deployments and technical issues.
Work directly in customer codebases when needed.
Identify product gaps through customer feedback and translate customer needs into actionable product improvements.
Work closely with Product and Engineering teams.
Help customers launch new AI use cases and identify opportunities to expand product adoption.
Become a trusted technical partner to enterprise customers.