AI / ML Engineer — Core Product AI

About AceSpeak

AceSpeak is an AI-powered interview and public-speaking coach for iOS and Android. It helps users practise interviews and presentations through structured feedback. AceSpeak is a product operated by Wistkey UK Limited.

The role

Join AceSpeak as an AI / ML Engineer and help build dependable AI capabilities and evaluation systems for a better-structured product. You will work across speech, audio, video and multimodal signals, turning experiments into measurable product improvements.

Responsibilities

• Develop and improve AI/ML models and evaluation pipelines
• Analyse clip data and improve automation quality
• Integrate model outputs into the app experience
• Track model and product performance using clear metrics
• Help establish reliable engineering and experimentation practices

What we're looking for

• 5+ years in AI/ML, ideally 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 strong collaboration skills

Nice to have

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

Apply

Email [email protected] with your CV and a brief summary of an ML project you shipped. Full role details and application page: https://acespeak.uk/careers/ai-ml-engineer-uk/