Founding Engineer ($160k-$200k + Equity) at TransVoix
Jack & Jill · Phoenix, AZ · Yesterday
On-siteEngineering$160k–$200k/yrFull-time
Job Title: Founding Engineer
About the role
TransVoix is a high-growth voice infrastructure platform building real-time multilingual translation that preserves vocal identity. After generating massive interest at CCW Vegas 2026 from industry leaders like Sinch and Five9, TransVoix is scaling its carrier-grade audio pipeline and launching a public SDK for global enterprise developers.
Responsibilities
- Architect and scale a real-time audio pipeline serving enterprise contact centers and AI voice agents.
- Own the transition to AWS, harden multi-tenant security, and design the versioned SDK that global developers will depend on for years.
- Design and maintain the core voice pipeline ensuring sub-second latency and high-fidelity vocal cloning across 15+ languages using STT, translation, and TTS.
- Architect the public-facing developer SDK and sandbox environment, establishing the permanent API contracts that enterprise customers will use to integrate TransVoix capabilities.
- Lead the infrastructure migration to AWS using Terraform while implementing C2PA cryptographic provenance and SOC 2-ready multi-tenant security patterns across the platform.
Requirements
- Deep production experience building carrier-grade voice pipelines, specifically handling WebRTC, WebSocket audio framing, and low-latency jitter management at an infrastructure-grade scale.
- Mastery of asynchronous Python (FastAPI/asyncio) and React/TypeScript, with a history of shipping stable, versioned APIs or SDKs for external developer consumption.
- Architectural mindset focused on multi-tenant security and Infrastructure as Code, capable of leading build-vs-buy decisions for self-hosted model inference and GPU infrastructure.
Qualifications
- Experience with major industry players like Sinch and Five9.
- Strong understanding of real-time audio components and STT, translation, and TTS technologies.
- Knowledge of AWS and other cloud platforms.
- Experience with C2PA cryptographic provenance and SOC 2 compliance.
Skills
- Python (FastAPI/asyncio)
- React/TypeScript
- WebRTC
- WebSocket
- Cloud platforms (AWS, etc.)
- Cryptography
- Multi-tenant security
Benefits
- Competitive salary range of $160k-$200k plus equity
- Opportunity to lead the development of a groundbreaking technology
- Challenging and rewarding work in a fast-growing startup environment
Pay
- $160k - $200k
Schedule
- Full-time