At a Glance
- Tasks: Join us to build an amazing training platform for runners and enhance user experiences.
- Company: Fast-growing tech company recently acquired by Strava, focused on innovation.
- Benefits: Competitive salary, flexible working, health insurance, and free subscriptions for you and friends.
- Other info: Exciting growth opportunities and a collaborative, dynamic work environment.
- Why this job: Be part of a passionate team making a real impact in the running community.
- Qualifications: Strong TypeScript/JavaScript skills and experience in user-focused product development.
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! 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 the 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, 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 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.
What you’ll bring to the team:
- 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.
Bonus points if you have:
- 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.
Our Tech Stack:
- Frontend: React Native (iOS and Android), Typescript, GraphQL (Apollo Client), Fastlane, SwiftUI (Apple Watch), Maestro E2E tests.
- Backend: Serverless (AWS), Lambdas (NodeJS & Python), AWS AppSync, DynamoDB, S3, SQS, SNS, EventBridge, SageMaker, Snowflake.
- All the other good stuff: Sentry, GitHub Actions, Intercom, Mixpanel, RevenueCat, App Store Connect / Play Store, Google Tag Manager.
Salary and Benefits:
We’re offering a salary of £70,000-£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 of 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.
- Strava membership!
- Money every year to spend on gear, events and the gym!
- Voucher to spend on our website for new Runna kit (renewed every year on your work anniversary).
- Private health insurance with Bupa and workplace pension scheme.
- Modern Health is a mental wellness platform and app that combines technology with professional support to improve mental well-being and reduce stress.
- Carrot fertility support - this benefits provider can provide inclusive fertility, hormonal health, and family-forming benefits to our global employee population.
Our Interview Process:
Our aim is to keep the interview process as straightforward and enjoyable as possible, and will consist of the following stages:
- Screening call with Talent team (30 minute video call).
- Getting to Know You + Live Coding (45-minute video call, first 25 mins will be an introductory chat followed by two live coding exercises).
- 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).
- 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).
- 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.
Senior Full Stack Software Engineer - AWS in London employer: Runna
Join a dynamic team as a Senior Product Manager where your expertise will shape the community experience for runners. We pride ourselves on fostering a collaborative work culture that values innovation and personal growth, offering competitive salaries and opportunities for professional development. Located in a vibrant area, our company provides unique advantages such as flexible working arrangements and a strong commitment to employee well-being.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Full Stack Software Engineer - AWS in London
✨Join Local Tech Meetups
Get out there and mingle with fellow developers by joining local tech meetups. It’s a fantastic way to meet people who might be working at Runna or know someone who does. Plus, you can pick up some trendy tech skills and trends while you're at it!
✨Contribute to Open Source Projects
Show off your coding chops by jumping into open-source projects. Not only does this give you practical experience, but it also gets you noticed in the dev community. You'll create a killer portfolio that speaks volumes about your skills to Runna.
✨Tap into Online Developer Communities
Don’t underestimate the power of online developer communities like GitHub, Stack Overflow, and even Reddit. Participate in discussions, share your projects, and build your visibility. We can often find opportunities through these channels that can lead to a full-time gig at companies like Runna.
✨Explore Job Boards Specifically for Tech Roles
Keep your eyes peeled on job boards that focus on tech roles. Sites like TechCareers or Stack Overflow Jobs can often have listings for companies like Runna that might not show up on broader job sites. Make it a habit to check these regularly, and don’t hesitate to apply directly through our website!
We think you need these skills to ace Senior Full Stack Software Engineer - AWS in London
Some tips for your application 🫡
Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.
Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at Runna.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Runna and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!
Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!
How to prepare for a job interview at Runna
✨Brush Up on Your Coding Skills
For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.
✨Know Your Tools and Frameworks
Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If Runna uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.
✨Showcase Your Projects
Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.
✨Prepare for Behavioural Questions
While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.
