Machine Learning Engineer – Roleplay Sessions
synthesia · London
Job description
About the role
Synthesia’s Roleplay Sessions is a training tool that lets learners practice real conversations with AI avatars, receiving instant feedback on performance. As a Machine Learning Engineer you will build the AI engine that powers this coaching, creating models that listen, score, generate feedback, and drive avatar responses in real time.
Key responsibilities
- Design, develop, and maintain ML models that process learner speech, evaluate performance, and generate real‑time feedback.
- Integrate models into the Roleplay Sessions product pipeline ensuring low‑latency inference.
- Collaborate with product and engineering teams to iterate quickly and deliver new features.
- Monitor model performance, conduct A/B testing, and continuously improve based on data.
Required profile
- Ability to apply machine learning knowledge to solve real product problems.
- At least seven years of software engineering experience, with a minimum of two years at a senior level.
- Experience working in high‑performing engineering teams operating at scale.
- Strong commercial orientation and bias towards action.
- Comfort with fast iteration and pragmatic problem‑solving.
What we offer
- Competitive base salary of £120,000 per year plus RSU equity.
- 25 days of annual leave plus local holidays.
- Opportunity to work on cutting‑edge generative AI technology in a fast‑growing company.
- Collaborative culture focused on building, not endless meetings.
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Published 14 hours ago
Expires 1 month from now
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synthesia
London
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