we are looking for a Senior Backend Engineer.
As a Senior Backend Engineer, you'll partner with a team of seasoned engineers to build the AI-powered foundations that are redefining test automation , helping engineering teams deliver flawless digital experiences faster and with greater confidence, by bringing visual AI and autonomous capabilities into every step of the testing lifecycle
You'll work on distributed, high-throughput microservices systems powering visual AI testing for some of the world's largest engineering teams.
Within this role, you will be responsible for:
Designing and evolving cloud-native microservices that power large-scale distributed rendering and browser orchestration pipelines
Leading the design and delivery of mobile device infrastructure (iOS and Android) in our Execution Cloud, becoming the team's domain expert on simulators, emulators, and mobile toolchains
Owning the full software delivery lifecycle from design and development through testing, deployment, and production operations, including the underlying infrastructure
Driving continuous improvement of system reliability, scalability, and performance
Collaborating closely with teammates across the stack to deliver well-designed, high-quality solutions
Exploring and integrating AI-driven capabilities to push the boundaries of what's possible in test automation
Requirements: 5+ years of experience building and operating large-scale distributed systems in a microservices architecture
Senior-level proficiency with Node.js and TypeScript
Strong hands-on experience with Kubernetes and container orchestration
Experience with cloud infrastructure providers (GCP preferred; Azure or AWS also valued)
A sense of ownership you take on large, ambiguous initiatives, see the bigger picture, and drive them to completion
Genuine excitement about AI and its potential to transform developer tooling
Proficient with AI-assisted development tools
Strong bonus - experience with mobile development infrastructure (iOS simulators, Xcode, Android emulators)
Bonus - experience with Redis and async messaging systems (e.g., Pub/Sub) for distributed state management and caching
Bonus - basic familiarity with browser technologies (HTML, CSS, DOM, DevTools Protocol)
This position is open to all candidates.