Zing AI Coach is the world’s first AI Fitness Personal Trainer revolutionising the way you approach health and wellness. Four years ago, we embarked on a mission to redefine the fitness by replacing the need for a personal trainer with smart, personalised and motivating guidance powered by AI. We are not just another app - we are a movement. Our mission is to help people reach their full potential, physically and mentally, through transformative health journeys.

You’ll be joining the AI Coach vertical - the team behind Zing’s most innovative features. We build and ship the core logic powering real-time feedback, computer vision, recommendation systems, and AI-generated coaching. That includes working with LLMs, local models, and a custom fitness knowledge graph to deliver an intelligent, hyper personalised experience.

This is not just about building APIs - it’s about solving complex, user-facing problems with machine learning, backend engineering, and a tight feedback loop between product, data, and code.

How we work

• Work in fast-growing company (growth of user base during 2023 more than 10X times)
• Fast time to market (usually one release per week)
• Test coverage for codebase 87%
• Cloud infrastructure in AWS
• Production monitoring and alert systems
• Code review process
• Performance tests
• CI-CD
  

Responsibilities

• Design, build, and maintain backend services for AI-driven features — including workout recommendations, health tracking, and real-time coaching logic
• Collaborate with ML engineers and product teams to integrate LLMs, computer vision models, and other AI systems into production
• Own features end-to-end: from concept and design through implementation, testing, and deployment
• Ensure our systems are observable, reliable, and fast, with proper monitoring, alerts, and performance tuning
• Participate in code reviews, contribute to technical discussions, and help shape how we build software
  

We expect that you have

• 4+ years of professional work experience in software engineering with Python
• Working experience in working with popular Python frameworks (Django, FastAPI)
• Working experience with PostgreSQL (or other RDBMS)
• Experience with a message broker like RabbitMQ
• Experience with CI/CD, Monitoring
• Ownership of projects from concept to release
• Experience with payment libraries and services
• Fluent English level
  

Beneficial skills

• Understanding of cloud technologies, proficiency in AWS
• Preferably, a degree in Information Technology, Software Engineering, or a related field
• Highly interested in a fast-paced software development environment
• Enthusiasm for learning and continuous improvement
• Passion for Health & Fitness
  

Why working at Zing is awesome

• Be part of the fastest-growing fitness and lifestyle startup
• Help shape the internal engine of one of the most exciting AI consumer products
• Excellent work environment: the company is small enough to be person-oriented
• Remote-friendly environment with the option to collaborate in-person

Come be a part of something extraordinary at Zing AI Coach – where innovation meets inspiration, and every day brings new opportunities for growth and impact. Join us and help us create an exceptional user experience for Zing Coach!