Senior Software Engineer

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.  Own code from design, implementation, test automation, and delivery across the scripting engine and the broader platform surfaces it touches Work with platform teams and internal stakeholders to understand requirements and drive the full development lifecycle Build software that is simple to use, allowing customers to extend and customize functionality to meet their specific needs Contribute to the design and implementation of new capabilities while maintaining and enhancing existing functionality Mentor colleagues and promote knowledge-sharing across teams Apply advanced knowledge of data structures, algorithms, object-oriented design, design patterns, and performance/scale considerations Architect modular, reusable systems for scalability and extensibility Experience in leveraging or critically thinking about how to integrate AI into work processes, decision-making, or problem-solving (may include using AI-powered tools, automating workflows, analyzing AI-driven insights, or exploring AI's potential impact on the industry) 3+ years of experience with Java or similar OO language (C++, C#, Go equivalent acceptable) Passion for JavaScript as a language — its semantics, execution model, and evolution — as well as the Web as a platform Experience with backend or systems-level programming; exposure to language internals (parsing, compilation, interpretation) is a plus but not required Advanced knowledge of data structures, algorithms, object-oriented design, design patterns, and performance/scale considerations Familiarity with distributed systems concepts — resource isolation, concurrency, and scaling execution across shared infrastructure Demonstrated capability to manage multiple projects with material technical risk across teams and processes Track record serving as functional lead or technical owner Exposure to multiple technology stacks (JVM/backend systems, platform infrastructure, security and sandboxing, service-oriented architecture) is a strong plus For positions in this location, we offer a base pay of $128,900 - $219,100 , plus equity (when applicable), variable/incentive compensation and benefits. Sales positions generally offer a competitive On Target Earnings (OTE) incentive compensation structure. Please note that the base pay shown is a guideline, and individual total compensation will vary based on factors such as qualifications, skill level, competencies, and work location. We also offer health plans, including flexible spending accounts, a 401(k) Plan with company match, ESPP, matching donations, a flexible time away plan and family leave programs. Compensation is based on the geographic location in which the role is located and is subject to change based on work location. Work Personas We approach our distributed world of work with flexibility and trust. Work personas (flexible, remote, or required in office) are categories that are assigned to ServiceNow employees depending on the nature of their work and their assigned work location. Learn more here . To determine eligibility for a work persona, ServiceNow may confirm the distance between your primary residence and the closest ServiceNow office using a third-party service. Equal Opportunity Employer ServiceNow is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, national origin, age, disability, gender identity,  veteran status, or any other category protected by law. In addition, all qualified applicants with arrest or conviction records will be considered for employment in accordance with legal requirements.   Accommodations We strive to create an accessible and inclusive experience for all candidates. If you require a reasonable accommodation to complete any part of the application process, or are unable to use this online application and need an alternative method to apply, please contact globaltalentss@servicenow.com for assistance.  Export Control Regulations For positions requiring access to controlled technology subject to export control regulations, including the U.S. Export Administration Regulations (EAR), ServiceNow may be required to obtain export control approval from government authorities for certain individuals. All employment is contingent upon ServiceNow obtaining any export license or other approval that may be required by relevant export control authorities.  From Fortune. ©2026 Fortune Media IP Limited. All rights reserved. Used under license.