Oho Group
Machine Learning Engineer
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Machine Learning Engineer / Applied Research / London
A stealth AI startup is looking for an exceptional Machine Learning Engineer to join its lean founding team and help build the intelligence layer behind a new class of AI systems.
This is a chance to get genuinely early. You'll work directly with a deeply technical founding team across machine learning, NLP, knowledge representation, graphs, and information retrieval — taking ideas from research → prototype → production while helping define the technology.
There is no established playbook here. You'll help create it.
What you'll do
- Build ML systems for understanding and connecting complex information
- Develop knowledge representations, ontologies, and graph-based systems
- Push retrieval across dense, sparse, and structured data
- Build NLP and information extraction systems
- Explore how knowledge can be connected, validated, and reasoned over
- Turn research into production technology
- Shape architecture and technical direction from day one
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What they're looking for
- Strong experience across ML, NLP, Information Retrieval, or Knowledge Representation
- Experience with knowledge graphs, graph databases, or Neo4j highly desirable
- Excellent ML fundamentals and strong software engineering ability
- Evidence of taking research or experimentation into working systems
- Exceptional academic or technical track record
- Curiosity around LLMs, reasoning, and semantic search
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Why join?
- Join a highly technical founding team at the beginning of the journey
- Work on foundational AI problems rather than another AI wrapper
- Own decisions across ML, research, and architecture
- Combine research depth with hands-on engineering
- Have outsized influence on a potentially category-defining product
- Flexible/hybrid London
If you want to join an AI company before the playbook exists, work on genuinely difficult problems, and help build the technology from the ground up, this is a rare opportunity - interviews have started!
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