Senior Staff Software Engineer, JavaScript Runtime & Compilers

Company Description It all started when engineer Fred Luddy wrote code that automated a tedious task for his coworker, Phyllis. She cried tears of joy. That moment inspired Fred to build a company that could do that for everyone—freeing people from busywork so they could focus on meaningful work.

Today, ServiceNow is the AI control tower for business reinvention. Our ServiceNow AI platform brings together any AI, any data, and any workflow— helping 85% of the Fortune 500® work smarter, faster, and better. We're building an AI-native culture where technology and talent are unstoppable together.

And we're just getting started. Join us to put AI to work for people. Job Description We are the platform engineers handling app lifecycle at ServiceNow.

We develop and maintain the server-side JavaScript engine at the heart of the ServiceNow platform — the runtime that powers custom applications, workflows, and business logic. We ensure apps move smoothly and securely from development to production. This role requires deep expertise in compiler and runtime systems — you'll optimize execution engines, memory management, and performance at the systems level.

What you get to do in this role: Design and optimize execution engines, JIT/AOT compilation pipelines, and memory management systems to ensure customer applications run at scale Build high-quality, clean, scalable, and reusable code by enforcing best practices around software engineering architecture and processes (Code Reviews, Unit