AI / ML Engineer — Speech & Delivery Scoring

AceSpeak; Greater London; Hybrid; GBP 65,000 - 85,000; Full time

Job summary

AceSpeak is seeking an AI/ML Engineer to refine models scoring gestures, facial expression, pace, intonation and pauses. You will develop and improve scoring models for body language and voice, analyse clip data, and integrate outputs into the app experience. A pragmatic, product-focused mindset and strong English writing and teamwork are essential.

Location: Remote / hybrid within the UK (London preferred). Salary: £65,000–£85,000 per year.

Qualifications

• 5+ years in AI/ML, especially with audio, video or multimodal systems
• Strong Python and experience with PyTorch or TensorFlow
• Familiarity with signal processing, computer vision, or speech analytics
• A pragmatic, product-driven approach
• Good written English and teamwork skills

Responsibilities

• Develop and improve scoring models for body language and voice
• Analyse clip data and improve automation quality
• Integrate model outputs into the app experience
• Track performance and iterate from real user feedback
• Help define measurement and product signals for coaching

Skills

Python

AI/ML

Multimodal systems

Speech analytics

Signal processing

Computer vision

Written English

Teamwork

Tools

PyTorch

TensorFlow

Job description

Join AceSpeak as an AI / ML Engineer and help improve the app’s speech and delivery scoring. You will refine the models that score gestures, facial expression, pace, intonation and pauses.

Responsibilities

• Develop and improve scoring models for body language and voice
• Analyse clip data and improve automation quality
• Integrate model outputs into the app experience
• Track performance and iterate from real user feedback
• Help define measurement and product signals for coaching

What we’re looking for

• 5+ years in AI/ML, especially with audio, video or multimodal systems
• Strong Python and experience with PyTorch or TensorFlow
• Familiarity with signal processing, computer vision, or speech analytics
• A pragmatic, product-driven approach
• Good written English and teamwork skills

Nice to have

• App-based AI or on-device inference experience
• Coaching, education technology, or speech analytics background
• Privacy-sensitive data handling experience

Employment: Full time. Location: Remote / hybrid within the UK; London preferred. Salary: £65,000–£85,000 / year.