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Hong Kong · full time

AI / ML Engineer — Speech & Delivery Scoring

Improve AceSpeak’s scoring models for gestures, facial expression, pace, intonation and pauses, then turn the results into useful coaching.

EmployerWistkey Technologies Limited
LocationRemote / hybrid within Hong Kong
SalaryHK$40,000–HK$60,000 / month
EmploymentFull time

About the role

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

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.

Working details: This is a full-time role. Remote / hybrid within Hong Kong. Standard full-time hours apply, with the exact schedule agreed during hiring. There is no fixed degree requirement; equivalent practical experience is welcome.

Apply for this role

Email hello@acespeak.uk with your CV and a brief summary of an ML project you shipped. Please include “AI / ML Engineer — Speech & Delivery Scoring — Hong Kong” in the subject line.

Apply via email