AI Research Scientist — Multimodal Speech & Behaviour

About the role

AceSpeak is hiring an AI Research Scientist to explore and validate new methods for understanding speaking delivery across voice, facial expression and body language. You will turn promising research into practical experiments and product improvements.

Responsibilities

• Research multimodal approaches for speech, audio, video and behavioural analysis
• Design experiments, evaluation methods and calibration studies
• Prototype new scoring and coaching techniques
• Work with engineering teams to move successful ideas toward production
• Document findings and communicate trade-offs clearly

What we’re looking for

• 5+ years in applied AI research, machine learning or data science
• Strong Python and experience with modern ML research tools
• Experience in at least one of computer vision, speech/audio analysis or multimodal learning
• Sound experimental design, statistics and model-evaluation skills
• Ability to balance research quality with practical product needs

Nice to have

• Advanced degree or equivalent applied research experience
• Published research, patents or evidence of shipped AI work
• Experience with responsible AI, bias evaluation or privacy-sensitive data

AceSpeak candidate exercise

All applicants are required to complete a short AceSpeak practice exercise and achieve a total AceSpeak score above 3,000 before submitting an application.

1. Download AceSpeak on iOS or Android using the links below.
2. DM @acespeak.uk on Instagram with the role title to request a complimentary analysis token. The token is issued privately; do not purchase a subscription or share it.
3. Record a 90-second to 2-minute response to: “Describe a product or project you helped improve and what you learned.”
4. Practise and re-record until your total AceSpeak score is above 3,000.
5. Send us a screenshot showing your score and display name. Please do not send the recording.

The score is one part of a human-reviewed application process and is not used as the sole hiring criterion. If you cannot use Instagram, the app or the scoring format, need another token, or need a reasonable adjustment, email hello@acespeak.uk and we will arrange complimentary access or an equivalent alternative exercise.