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Voistra
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Status: Submitted
Last saved: December 11 at 10:40 PM JST
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Akira Endo Team Lead RSVP Approved
CEO at Langdemy Inc.
Akira Endo — Team Lead / Agent Architect
Designed full system architecture combining ElevenLabs + OpenAI + multi-tool orchestration.
Implemented Realtime speech interface using ElevenLabs Realtime API.
Built agent reasoning pipeline using OpenAI GPT-5 and tool-routing logic.
Integrated Clerk Auth, Browser Agent automation, and Firestore session logging.
Managed team direction, technical decisions, and presentation.
Kanta Matsuyama — Voice & Realtime Engineer
Implemented WebRTC/WebSocket layer for ElevenLabs Realtime API.
Tuned latency and connection stability.
Designed streaming event protocol between client and agent.
Akira Endo is the CEO of Langdemy, a company he co-founded. He is also a Product Owner and Full Stack Engineer, with over 10 years of experience. Akira holds degrees from Nihon University, Shanghai University, and Stanford University.
Kanta Matsuyama RSVP Approved
Frontend Engineer at Asahi Shimbun
AI voice agent engineer
Newspaper digitalization project
ALOFA - PdM
ALOFA - Frontend Lead