runna - Senior Full Stack Engineer I (Growth)
Requirements
• Strong TypeScript/JavaScript experience. • Experience building user facing product surfaces where conversion and UX really matter (onboarding, paywalls, landing pages, growth loops, etc). • Comfortable working in a fast‑paced, iterative environment with lots of experimentation and learning from data. • 2+ years experience in your main expertise area (frontend, backend or full‑stack). • Skilled at delivering features end‑to‑end: from architecture and implementation through to rollout, measurement and iteration. • You enjoy learning from experiments, and are as interested in what did not work as in the wins. • Enthusiasm for our ways of working: • Iterative development, continuous deployment and test automation. • Knowledge sharing, pair programming and collaborative design. • Shared ownership of code and outcomes across cross‑functional teams. • Experience working full‑stack, or a strong interest in stretching across the stack. • Experience with Swift or Kotlin for mobile, or Next.js for web experiences. • Experience working on growth, experimentation, or funnel optimisation teams. • Experience with analytics and experimentation tooling to support A/B tests. • React Native (iOS and Android) • GraphQL (Apollo Client) • SwiftUI (Apple Watch) • Maestro E2E tests • Serverless (AWS) • Lambdas (NodeJS & Python) • DynamoDB, S3, SQS, SNS, EventBridge, SageMaker • All the other good stuff: • GitHub Actions • Intercom, Mixpanel • App Store Connect / Play Store • Google Tag Manager
Responsibilities
• 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 the instrumentation, tracking and tooling needed so we can understand behaviour, spot issues quickly and measure impact with confidence. • Own features end‑to‑end: from early discovery and technical design through implementation, rollout, monitoring and iterative improvements. • Contribute to our developer experience by improving CI/CD, testing and release workflows, enabling the team to ship and learn quickly.
Benefits
• We’re offering a salary of £70,00-£78,000 per year, depending on experience, plus participation in Strava's long-term incentive (stock) programs. Overview of our benefits is below:We’re also committed to continually evolving our benefits to support you as we grow. • Here is a brief overview what we currently offer in the UK 🇬🇧 • 🏢 Flexible working – we typically spend 3 days a week together in our Vauxhall office • 🏝️ 25 days holiday, plus bank holidays • 📱Free Runna & Strava subscriptions for you and 3 of your friends (get ready to be your friends fave person or save them for holiday presents!) • 🧡 Strava membership! • 🧘 Headspace membership https://www.headspace.com/?gad_source=1&gad_campaignid=917256451&gbraid=0AAAAADLlnJ13ARNhVsl4YugLQIySZ0scx&gclid=CjwKCAjwr5_CBhBlEiwAzfwYuKoHVVF5c9aFVO5mwW4rSr5oRsg1NGAq69m-JAJ88TR56x_k1dBSHRoC3A8QAvD_BwE • 💸 Money every year to spend on gear, events and the gym! • 🤑 We’ll give you a voucher to spend on our website so you can buy yourself new Runna kit (and will renew this every year on your work anniversary) • 🏥 Private health insurance with Bupa and workplace pension scheme • 💖 Modern Health https://www.modernhealth.com/ ia a mental wellness platform and app that combines technology with professional support to improve mental well-being and reduce stress • 🥕 Carrot fertility support https://www.get-carrot.com/ - this benefits provider can provide inclusive fertility, hormonal health, and family-forming benefits to our global employee population and takes the burden off what we know can be a stressful process. • Please see more info on our amazing benefits here: Benefits at Runna https://www.notion.so/Benefits-at-Runna-197bbd1a44858056a068d897bce297f3?pvs=21 • OUR INTERVIEW PROCESS: • Our aim is to keep the interview process as straightforward and enjoyable as possible, and will consist of the following stages: • 1. Screening call with Talent team (30 minute video call) • 2. Getting to Know You + Live Coding (45-minute video call, first 25 mins will be an introductory chat followed by two live coding exercises from https://leetcode.com/) • 3. Take home technical task (max 1-2 hours to complete, or if you have something interesting you recently built and would like to showcase then that's perfectly OK) • 4. 1.5-hour technical interview (the first half of the call will be used to discuss the take-home technical task from the previous stage and the second half will consist of system design and some general architecture/tech questions) • 5. Meet the team (in-person chat with founder(s) and rest of the team) • Please let us know if there’s anything we can do to better accommodate you throughout the interview process - this can be from scheduling interviews around childcare commitments to accessibility requirements. We want you to show your best self in the process, so please speak to your Talent Partner
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