Senior Platform Engineer II

Job Overview

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 2024 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 are looking for a talented, creative, and positive team player to join our highly skilled platform engineering team and play a key role in shaping and evolving our infrastructure and internal tooling. The platform engineering team at Runna is responsible for designing and maintaining scalable, secure infrastructure and building the internal tooling that empowers Runna engineers to move quickly and efficiently. You’ll work closely with engineering and product teams to ensure our platform is robust, efficient, and easy to work with; enabling a seamless developer experience.

Key Responsibilities

• Architect, build, and maintain a scalable, secure, and reliable cloud platform to support the needs of our rapidly growing company.


• Build and maintain internal tooling to improve developer experience and enable engineering teams to operate efficiently.


• Design and implement infrastructure as code (IaC) to manage our cloud resources efficiently.


• Develop and maintain CI/CD pipelines to ensure smooth and automated deployments for both infrastructure and applications.


• Guide and collaborate with our product engineering teams, helping them design secure, scalable solutions that meet the needs of our fast-growing user base.


• Collaborate with product engineering to ensure platform capabilities meet the evolving needs of Runna’s applications and services.


• Improve observability by implementing monitoring, logging, and alerting solutions to enhance system reliability and reduce potential downtime.


• Drive best practices in incident response, fault tolerance, and disaster recovery to ensure platform resilience.


• Automate and streamline operational processes to improve developer productivity and system reliability.


• Continuously evaluate and adopt new technologies and tools to enhance the platform’s capabilities and performance.

Required Qualifications

Your key experience:

• 4+ years in a Platform Engineering, SRE, or DevOps role


• 4+ years working with AWS in production environments


• Experience with scalable cloud infrastructure and modern deployment strategies

Your key skills:

• Strong experience designing and implementing cloud-based infrastructure within AWS.


• Applied experience with Serverless architecture and designing event-driven systems, including working with services like EventBridge, SNS, SQS, and Kafka.


• Solid understanding of networking, security best practices, and identity management within AWS.


• Proficiency with infrastructure as code (IaC) tools such as Terraform, CDK or CloudFormation.


• Strong working knowledge of Docker and containerisation for building, running, and shipping containerised applications.


• Experience with CI/CD pipelines (e.g. GitHub Actions, CircleCI, or similar)


• Strong understanding of observability, monitoring, tracing, and alerting (e.g. CloudWatch, DataDog, Prometheus).


• Ability to design and implement reliable and scalable deployment strategies for both infrastructure and applications


• Experience with building internal tooling to improve developer experience and efficiency


• A pragmatic mindset, with excellent communication and collaboration skills


• Able to work within a highly-skilled engineering team in a fast-paced, iterative environment


• Enthusiasm for our ways of working, which include: Iterative development, continuous deployment, and automation-first approaches


• Knowledge sharing, collaborative design, and men...