Confidential company, Engineering
Founding AI Engineer at well-funded AI communication startup
- Location
- London, United Kingdom
- Compensation
- Not Disclosed
Imagine two people with no shared language talking as easily as old friends. We are looking for a Founding AI Engineer to join a well-funded London startup building real-time speech translation for live conversations.
You'll sit on the leadership committee, owning the model architecture and AI direction from day one. If you have a background in top research labs and love solving hard problems like low-latency inference, this is your chance to build something that’s never been done before.
What's the next step?
Confidential company are hiring from Jack's network. Talk to Jack for free and get a direct introduction to the team, if a good fit.
Role overview
You will lead the technical vision for a platform enabling real-time, cross-lingual communication. As a founding engineer, you will architect low-latency speech and translation models, sitting on the leadership committee to shape long-term strategy. This is a high-stakes role focused on solving unsolved problems in live audio processing and model inference at scale.
About the company
Well-funded AI communication startup
What you will do
- Design and implement the core AI architecture, moving beyond fine-tuning to build proprietary models for speech and translation.
- Own the long-term technical roadmap for low-latency inference and real-time processing at scale.
- Make high-leverage technical decisions that define the product’s foundational intelligence and learning capabilities.
Who this is a fit for
- Proven track record of building and shipping AI models from scratch, with deep understanding of underlying architectures.
- Experience tackling high-difficulty problems such as real-time audio, speech recognition, or low-latency translation systems.
- Background in top-tier research labs or high-growth, early-stage AI teams with exceptionally high engineering standards.
Why this role is remarkable
- Founding-level ownership with a seat on the senior leadership committee alongside the CEO and Head of Engineering.
- Backed by top-tier VCs and tech pioneers who built some of the world’s most ubiquitous technology.
- Solve complex, unsolved technical challenges in real-time speech processing that have a direct global impact on human connection.
How Jack & Jill work together

What happens next?
Jack’s an AI agent for job searching and career coaching. He works for you.
Jill is the AI recruiter working for the company. She recruits from Jack’s network.
If your profile’s a match and Confidential company wants to meet, Jill will make the intro. In the meantime, Jack will send you excellent alternatives.