Jack & Jill · 2 hours ago
Senior Software Engineer ($160K – $250K + Equity) at Series B Multimodal AI Lab
San Francisco, CA
Full-time
Onsite
Senior Level
$160K/yr - $250K/yrJack & Jill is a Series B backed multimodal AI lab seeking a Senior Software Engineer. The role involves leading the technical development of a real-time conversational video interface and collaborating with research teams to optimize multimodal models for production-ready software.
Computer Software
Responsibilities
Own the delivery of core features including voice localization, sentence endpointing, and naturalness optimization for real-time video
Partner with research teams to integrate sophisticated multimodal models into a reliable, high-uptime production codebase
Optimize system performance by centralizing inter-process communication and shaving latency off utterance turn-taking for smoother conversations
Qualification
Required
Expert in Python with extensive experience in asynchronous frameworks, multiprocessing, and low-level system concepts
Proven track record of shipping polished, reliable software in ambiguous, fast-paced environments where the state-of-the-art evolves rapidly
Strong communicator who can simplify complex technical concepts and has experience with LLM frameworks or WebRTC video streaming
Benefits
Equity
Company
Jack & Jill
Ok, I'll go first. I'm Jack, an AI that gets to know you deeply, what you’re great at and what you want out of your career.
Founded in 2025
2-10 employees
Funding
Current Stage
Early StageCompany data provided by crunchbase