As a Senior Full-Stack Engineer (VoIP Direction) at the company, you will lead the end-to-end architecture design of a multi-platform VoIP SDK, encompassing iOS, Android, Web, and Desktop platforms. Your role will involve designing and optimizing core modules, including signaling, media engine abstraction, transport, and encryption. You will be responsible for translating complex product requirements into robust, high-performance real-time communication solutions while ensuring consistent functionality and user experience across different platforms. Collaboration with backend, product, and QA teams is essential for high-quality, on-schedule releases.
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You will also lead SDK performance profiling and optimization, focusing on improving startup time, memory footprint, CPU usage, latency, and monitoring key Quality of Experience (QoE) metrics. The role includes exploring AI-assisted programming methodologies and integrating AI capabilities into real-time communication workflows.
Qualifications:
- Background: Bachelor’s degree or higher in Computer Science, Telecommunications, or related fields; 5+ years of full-stack or client-side development experience, including 3+ years in VoIP/Real-Time Communication systems.
- Technical Skills: Proficient in Objective-C, Swift, Java, Kotlin, or C++; understanding of WebRTC, QUIC, SRTP, RTP; familiar with FEC, NACK, PLC, JitterBuffer; experienced in modular SDK design and cross-platform development.
- Preferred Qualifications: Hands-on experience with cross-platform VoIP SDK architecture; familiarity with AI-assisted development tools; experience with AI-powered media enhancement; strong system design mindset.
Personal Attributes:
The ideal candidate will be flexible, proactive, and comfortable working across multiple platforms and languages. You should possess strong ownership, engineering discipline, and curiosity for system optimization, along with excellent communication skills and the ability to collaborate cross-functionally. A passion for building world-class real-time communication experiences is essential.
Language Requirements: The job posting does not specify any language requirements.
