Senior Full Stack Engineer – Growth Engineering

We help everyday runners become outstanding by building an incredible app providing world‑class training, coaching and community for everyone, whether you’re improving your 5k time or training for your first marathon.

What you’ll be doing

• Architect, build, test and ship high impact user journeys and subscription funnels, focusing on turning curious visitors into active, engaged subscribers.
• Design and run experiments across web and app (such as onboarding flows, paywalls, and plan discovery experiences) to improve conversion at each step of the journey.
• Work closely with Product, Design and Data to prioritise opportunities, define clear success metrics and make decisions grounded in experiment results.
• Collaborate with other teams to ensure users have a smooth, consistent experience as they move between different products and platforms.
• Implement and maintain ...