Real-Time Audio Backend Engineer (AI)

Wati; Hong Kong; On-site; HKD 420,000 - 780,000; Full time

Benefits offered by this job

Onsite work environment

Mentorship by senior engineers

Growth opportunities

Collaborative team culture

Job summary

Wati, the world's leading WhatsApp-first conversational growth platform, seeks a Backend Software Engineer with a strong background in AI and real-time audio to join our engineering team in China. You will build and optimize communication features that power high-quality, low-latency conversations for our global customers.

Design and implement real-time audio/video streaming services, work with WebRTC, SIP, RTP, and collaborate with frontend, mobile, and product teams to deliver seamless

Qualifications

• Bachelor's or Master's degree in Computer Science or related field.
• 2-4 years of backend development experience, ideally in real-time communications (RTC).
• Proficiency in Go or Python.
• Experience with audio/video codecs, streaming protocols, and media servers.
• Familiarity with cloud platforms (AWS, GCP) and distributed systems.
• Strong problem-solving and debugging skills.

Responsibilities

• Design, develop, and optimize real-time audio/video streaming services.
• Work with protocols such as WebRTC, SIP, RTP, or related technologies.
• Ensure high performance, low latency, and fault-tolerant communication pipelines.
• Collaborate with frontend, mobile, and product teams to deliver seamless user experiences.
• Write clean, scalable, and maintainable backend code; troubleshoot production issues.

Skills

RTC experience

Go

Python

WebRTC

Distributed systems

Education

Bachelor's or Master's in CS

Tools

AWS

GCP

Media servers

Job description

Wati, the world's leading WhatsApp-first conversational growth platform, seeks a Backend Software Engineer with a strong background in AI and real-time audio to join our engineering team in China. You will build and optimize communication features that power high-quality, low-latency conversations for our global customers.

Design and implement real-time audio/video streaming services, work with WebRTC, SIP, RTP, and collaborate with frontend, mobile, and product teams to deliver seamless