Brightcrew Ltd
Founding Full-Stack Engineer - San Francisco - onsite
Brightcrew Ltd, San Francisco, California, United States, 94199
Overview
Founding Full-Stack Engineer San Francisco | US Citizens Only | Onsite Our client is building the end-to-end testing platform for voice + text AI. Backed by Y Combinator, Floodgate, and top angels, they are already working with Fortune 500s and the hottest voice AI startups in Silicon Valley. With $4M in funding and a small but world-class team, they are growing fast and looking for their first
Founding Engineer
to help shape the future of conversational AI.
What You'll Do
As a founding engineer, you'll be a full-stack builder and problem-solver: Architect and scale systems
that simulate, analyze, and evaluate conversational AI agents (voice + multimodal). Design resilient AWS infrastructure
(Lambda, EC2, Websockets, SIP) to handle thousands of real-time conversations. Develop algorithms and pipelines
that surface insights, detect failure modes, and keep AI safe, reliable, and aligned with human intent. Work directly with customers
to deploy, test, and refine the product in real-world settings. Own features end-to-end
from conception to deployment ensuring clean, maintainable code and scalable systems.
Tech Stack
Python, React, TypeScript, Next.js, FastAPI, Tailwind, PostgreSQL, Redis, Supabase, AWS, Websockets, CI/CD Voice AI tools: LiveKit, Deepgram, Cartesia, ElevenLabs, Gemini, Pydantic AI, OpenAI
What We're Looking For
1+ years of experience as a full-stack or founding engineer at an early-stage startup. Strong experience with
Python, React, PostgreSQL, and AWS . Bonus: exposure to
voice AI technologies
(LiveKit, Deepgram, ElevenLabs, Cartesia, Gemini). Previous role at a high-bar engineering company (e.g., Meta, Google, Microsoft) or a fast-growth startup (YC, top VCs). CS degree or equivalent practical experience. Excited to work
onsite in San Francisco
with a small, close-knit team. Creative hobbies (e.g., YouTube, design, art) are a plus we love builders with imagination.
Why Join
You'll learn more in a month than years at Big Tech. As a founding engineer, you'll: Have real decision-making power
over architecture, product, and direction. Work directly with
Fortune 500 clients
and fast-growing startups. Build with
cutting-edge AI tools
and ship fast. Join an incredibly close-knit team at our HQ,
The Nest .
About our client
Founded by ex-Microsoft and AWS engineers, they graduated from
YC X25
and grew to $100K ARR in just two weeks. Trusted by some of the worlds largest enterprises they are quickly becoming the gold standard for testing conversational AI. Apply now to get in with this exciting career opportunity, or DM to find out more: https://www.linkedin.com/in/perrybarrow/
#J-18808-Ljbffr
Founding Full-Stack Engineer San Francisco | US Citizens Only | Onsite Our client is building the end-to-end testing platform for voice + text AI. Backed by Y Combinator, Floodgate, and top angels, they are already working with Fortune 500s and the hottest voice AI startups in Silicon Valley. With $4M in funding and a small but world-class team, they are growing fast and looking for their first
Founding Engineer
to help shape the future of conversational AI.
What You'll Do
As a founding engineer, you'll be a full-stack builder and problem-solver: Architect and scale systems
that simulate, analyze, and evaluate conversational AI agents (voice + multimodal). Design resilient AWS infrastructure
(Lambda, EC2, Websockets, SIP) to handle thousands of real-time conversations. Develop algorithms and pipelines
that surface insights, detect failure modes, and keep AI safe, reliable, and aligned with human intent. Work directly with customers
to deploy, test, and refine the product in real-world settings. Own features end-to-end
from conception to deployment ensuring clean, maintainable code and scalable systems.
Tech Stack
Python, React, TypeScript, Next.js, FastAPI, Tailwind, PostgreSQL, Redis, Supabase, AWS, Websockets, CI/CD Voice AI tools: LiveKit, Deepgram, Cartesia, ElevenLabs, Gemini, Pydantic AI, OpenAI
What We're Looking For
1+ years of experience as a full-stack or founding engineer at an early-stage startup. Strong experience with
Python, React, PostgreSQL, and AWS . Bonus: exposure to
voice AI technologies
(LiveKit, Deepgram, ElevenLabs, Cartesia, Gemini). Previous role at a high-bar engineering company (e.g., Meta, Google, Microsoft) or a fast-growth startup (YC, top VCs). CS degree or equivalent practical experience. Excited to work
onsite in San Francisco
with a small, close-knit team. Creative hobbies (e.g., YouTube, design, art) are a plus we love builders with imagination.
Why Join
You'll learn more in a month than years at Big Tech. As a founding engineer, you'll: Have real decision-making power
over architecture, product, and direction. Work directly with
Fortune 500 clients
and fast-growing startups. Build with
cutting-edge AI tools
and ship fast. Join an incredibly close-knit team at our HQ,
The Nest .
About our client
Founded by ex-Microsoft and AWS engineers, they graduated from
YC X25
and grew to $100K ARR in just two weeks. Trusted by some of the worlds largest enterprises they are quickly becoming the gold standard for testing conversational AI. Apply now to get in with this exciting career opportunity, or DM to find out more: https://www.linkedin.com/in/perrybarrow/
#J-18808-Ljbffr