Sr Staff Software Engineer

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.  Position Overview:ServiceNow is seeking a highly motivated and experienced Senior Staff Software Engineer to help lead a team with a broad portfolio across the application lifecycle. The team owns key parts of a platform that lets customers author, build, and run custom applications at scale; works on a broader initiative modernizing how applications are distributed, licensed, and installed platform-wide; and helps maintain established backend systems that the broader platform depends on. This is a polyglot environment — strong Java proficiency is essential alongside modern JavaScript/TypeScript web application and backend service technologies.This role requires both technical depth and leadership: setting direction across multiple concurrent initiatives while staying deeply hands-on, and negotiating technical boundaries with partner engineering teams on larger, cross-organizational efforts.Key Responsibilities:- Provide technical leadership across the team's portfolio of projects while staying deeply hands-on — setting direction and reviewing design, and also directly building, debugging, and shipping critical pieces yourself - Diagnose and resolve complex, customer-impacting problems across established backend systems - Champion engineering best practices and security standards across a varied technology footprint - Bring sound judgment on where and how AI fits into the team's development workflow, and set guardrails for AI-assisted development - Mentor engineers across the team's different technology areas, and foster a culture of innovation and continuous improvement Qualifications:Experience leveraging or critically thinking about how to integrate AI into engineering work — whether using AI-powered coding and operational tooling, automating workflows, or reasoning about how AI changes the way software and infrastructure are built.- 12+ years of hands-on software engineering experience, with a strong track record delivering high-scale, cloud-based systems - Deep proficiency in Java — hands-on experience designing, building, and maintaining production Java services, plus the ability to confidently read, debug, and modify complex, unfamiliar Java codebases - Working proficiency in TypeScript/Node.js or similar modern web/backend stacks - Strong understanding of concurrency and resource management f...