Senior Software 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 at Applitools, 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 microservice 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
• 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)

About Applitools

Applitools is an AI native test automation company and the pioneer in applying AI to scale test automation. Applitools is revolutionizing how development teams test and monitor their applications with AI-powered visual testing and monitoring solutions. Our platform helps the world's leading brands, including half the Fortune 100, ship better software faster by catching visual and functional bugs while significantly reducing maintenance overhead. We're backed by top-tier investors and growing rapidly as engineering teams worldwide adopt modern testing practices.