Senior Software Engineer II (Growth)

We're putting together a talented team to build the #1 training platform for Runners 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. We’re growing extremely fast! In November 2023 we closed a $6.5M funding round led by JamJar with participation from Eka Ventures, Venrex and Creator Ventures. In 2024, we were selected by Apple as one of three global finalists for the iPhone app of the year, reflecting the innovation and impact of what we’ve built & in 2025 we were acquired by Strava https://www.strava.com/about?hl=en-GB! Our ambition is huge: to become the go-to global leading training platform for millions of runners everywhere. We’re growing with purpose and looking for people who want to build something meaningful with lasting impact. With the recent acquisition by Strava accelerating our journey, now is a really magical time to join. 🚀 THE TEAM YOU’LL JOIN We’re looking for a talented, curious and experimentation minded Senior Full Stack Engineer to join Growth Engineering team. This team owns key parts of the user journey into Runna, working across web and app to create high quality experiences that turn first time visitors into longterm, engaged subscribers. You’ll collaborate closely with product, design and data partners, as well as our founders and CTO, to shape how new users first discover and experience Runna. WHAT YOU'LL BE DOING - Architect, build, test and ship high impact user journeys and subscription funnels, taking technical ownership across multiple workstreams and setting the standard for how the team approaches conversion engineering. - Lead the technical strategy for experimentation across web and app — defining how we run, instrument and learn from experiments at scale, not just executing individual tests. - Work closely with Product, Design and Data to shape the roadmap, proa