Site Reliability Engineer, Platform API

Austin, Texas, USA

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Babylon Health

We are a team on a mission, to put accessible and affordable healthcare in the hands of every person on earth. Our mission is bold and ambitious, and it’s one that’s shared by our team who shares our values, to dream big, build fast and be brilliant.
To achieve this, we’ve brought together one of the largest teams of scientists, clinicians, mathematicians and engineers to focus on combining the ever-growing computing power of machines, with the best medical expertise of humans, to create a comprehensive, immediate and personalized health service and make it universally available.
At Babylon our people aren’t just part of a team, they’re part of something bigger. We’re a vibrant community of creative thinkers and doers, forging the way for a new generation of healthcare. We’re only as good as our people. So, finding the best people is everything to us.
We serve millions, but we choose our people one at a time…
Are you passionate about managing teams that build, own, and operate massively scalable systems? Do you have experience in building new teams and managing existing teams? 
The $10 trillion Global Healthcare sector has been unable to balance the needs of accessibility, quality, and affordability. Babylon has created a scalable, digital-first, value-based care model - delivering best in class accessibility, quality, and affordability results. We are creating a data-centric, predictive digital platform that will allow most patients to self-manage their everyday needs. The opportunities at Babylon Health are huge, and the impact is massive. If you consider yourself a strong, passionate technologist - this opportunity is tailored for you. 
Our mission is bold and ambitious, and it’s supported by our values to dream big, build fast, and be brilliant. 
In Platform, our mission is to provide Babylon Engineers with a global platform that has an unrivalled developer experience. These are exciting times - we provide tools and APIs to build the next generation of digital healthcare products at a pace that’s unprecedented in the healthcare industry.  
We are building a world class enterprise API platform for use by its developer community using a mix of best of breed solutions and custom development as required. Internal users will rely on the API platform to take a “Design First”, self service approach to creating API contracts using the latest API technologies such as GraphQL, OAS3 and JSON Schema which will then drive the rest of the process and toolchain to accelerate and automate the creation of mocking, testing, and documentation services for Babylon’s API estate.  The goal is for developers to be able to rely on the Babylon API “platform aaS” to help them achieve their deliverables with minimum toil.  
In addition, Babylon’s API “platform aaS” will deliver a collaborative governance framework for allowing all of the cross cutting teams to ensure that the APIs are consistent, secure, compliant, and performant throughout the API lifecycle.   
We’re looking for a Site Reliability Engineer with expertise, ambition, and passion for rapidly building and releasing global software products. As an SRE, you will  help make our platform easier to build, test, deploy and more performant and reliable. We are launching Babylon across the globe and need to deal with the challenges of multiple regions and scale. 
You will help our team develop and evolve scalable, well tested, and maintainable APIs, applications / microservices. Our microservices are written in Java with some parts of the system in Ruby. We are evolving a GraphQL API layer written in Typescript and implementing Apollo federation. You are well versed with DDD, BDD and TDD and must be able to translate requirements into design and specs and create maintainable applications that are easily accessible to other engineers. You bring with you experience of working with and building well designed APIs. You naturally work in an agile way to produce high quality software that solves real problems simply and elegantly.  
You embrace platform thinking, continuous integration, and test driven development. You will uphold or set the standard for engineering excellence partnering with architects, and a team of highly skilled software engineers who are creating and evolving the platform that will let us rapidly engineer at scale. You are extremely ambitious about applying devops principles to your work across the full technology stack. 
You understand how to continuously deliver and iterate on foundational platform software and APIs, as well as incrementally migrate existing services and API features to a new API gateway. You will be comfortable making technical tradeoffs, and fast decisions whilst learning and adapting.


  • You love the challenge of building a global platform that helps application teams deliver applications at speed.
  • You will work closely with product teams from across Babylon and the platform engineering team to improve our API and service performance.
  • You will Identify opportunities for improvement and metrics to monitor success
  • Improve test, deployment and monitoring / alerting systems
  • Improve resilience, cost and performance 
  • Participate in design and security reviews
  • Participate in on-call rotation
  • Work on standards and templates
  • Define and evangelize SRE best practices to improve reliability and performance
  • Automate everything!


  • You bring experience in deploying and managing globally distributed systems
  • Good level of Java, Node, Ruby or similar
  • Good knowledge of containers, kubernetes and AWS 
  • Passionate about building tools and automation to improve the quality of infrastructure
  • Must be able to identify problems before they happen, dig deep for root causes, and implement solutions that prevent future occurrences
  • Focused on delivery with a passion for quality and innovation
  • Respect what came before and appreciate the value of a working system - and contribute in a transparent, collaborative, and inclusive way willing to appropriately challenge and drive alignment
  • You are an excellent verbal and written communicator 


  • Culture of trust, empowerment and constructive feedback, open source commitment
  • Investment in learning and career development, mentoring and personal development opportunities, internal tech academy to broaden skills and knowledge sharing
  • Competitive salary, flexible working times and remote working available, medical/dental/vision health coverage, and retirement planning
  • Individual ownership - every Babylonian has the opportunity to become shareholder
We believe that difference inspires a better, healthier world. That’s why it’s at the heart of everything we do. From our people to our products, difference enriches every part of our business and creates a culture based on equality of opportunity, and in which all Babylonians can progress their careers. We’re committed to creating an environment of mutual respect where equal employment opportunities are available to all applicants without regard to race, colour, religion, sex, pregnancy status, national origin, age, physical and mental disability, marital status, sexual orientation, gender identity, gender expression, genetic information, and any other characteristic protected by applicable law.
At Babylon, we have Power of Diversity groups (PODs) to drive positive engagements that create and foster a diverse and inclusive environment and we seek to recruit, develop and retain the most talented people from a diverse pool of candidates.
Our mission is to put an accessible and affordable health service in the hands of every person on earth. Diversity and inclusion play a key role in helping us bring this mission to life and create a true sense of belonging for all.
Job region(s): North America
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