AI Engineer - Remote

Overview

Zing Coach is the world’s first AI Fitness Personal Trainer, revolutionising the way people approach health and wellness. Four years ago, we set out to replace traditional PT sessions with smart, personalised, motivating guidance powered by AI. We’re not just another app – we’re a movement, on a mission to help everyone reach their full physical and mental potential.

Zing Coach is looking for an AI Engineer who will design and build intelligent AI coaching systems that plan, adapt, and personalize workouts in real time. You will develop AI agents and recommendation engines that combine structured user data, health signals, and fitness science principles to deliver safe, effective, and highly personalized training experiences. This includes building multi-step reasoning pipelines, retrieval systems, evaluation frameworks, monitoring, and guardrails, ensuring our AI coach performs reliably in production and continuously improves over time.

In Short

• Building AI agents that plan workouts, adapt in real time, and coach users.
• Building and improving recommendation systems using structured user data.
• Integrating health and recovery signals into the coach's decision-making process.
• Working with the Fitness Science team to define evaluation standards.
• Analyzing agent failures and addressing critical issues.
• Designing monitoring and guardrails for production performance.

Requirements

• Strong Python skills.
• Solid software engineering fundamentals.
• Experience building AI agents and recommendation systems.
• Strong analytical instincts.
• Experience with retrieval systems and structured data.
• Willingness to learn about exercise physiology and training principles.

Benefits

• Be part of the fastest-growing fitness and lifestyle startup.
• Help shape the internal engine of an exciting AI consumer product.
• Excellent work environment.
• Remote-friendly environment with in-person collaboration options.