Senior Software Developer
At a glance
Senior Software Engineering role at Leidos. Chantilly · full-time · $107,900–$195,050 base.
techroles summary, based on the employer's posting.
What you'll do
- Build enterprise applications in ServiceNow, covering onboarding, dashboards and links to enterprise and security services
- Write scripts that automate the continuous integration and delivery workflow with commercial tools and cloud services
- Use user needs to shape general or specialized software, and design databases for applications when needed
- Create and maintain websites, then test web applications and assess their quality
What you bring
- At least eight years building full-stack software, with JavaScript and web services experience
- You hold an active TS/SCI clearance with polygraph and a DoD 8570 IAT II certification
- A bachelor's degree is required, or you can substitute four additional years of experience
Who this fits
This senior individual contributor role suits a full-stack developer who can build web applications and automate delivery workflows. You need the stated active clearance and certification; the degree requirement can be met with additional experience.
From the employer
Are you a Senior Software Developer with an interest in advancing the art of the possible for critical applications? Does the prospect of tackling dynamic challenges excite you? Then you just might have the right opportunity here at Leidos. This is an exciting opportunity to apply your extensive Software Development background to drive the next generation of solutions for our customer.
As a Senior Software Developer, you will design and develop enterprise web applications using a commercial platform-as-a-service environment- ServiceNow. Development will include onboarding workflows, dashboards, and web services to other enterprise tools and security services. In addition, the candidate will develop automation scripts for the continuous integration/continuous deployment pipeline using commercial technologies and cloud services.
In this role, you will also develop, create, and modify general computer applications software or specialized utility programs. As well, analyzes user needs and develop software solutions. You may also analyze and design databases within an application area, working individually or coordinating database development as part of a team. You may also manage websites including design, develop, deploy and maintain activities as well as performs testing and quality assurance of web sites and web applications.
Must Have Requirements:
- 8+ years of full-stack software development experience; to include JavaScript and Web Services
- To be considered, you must have a current and active TS/SCI w/ Poly security clearance
- IA Certification: DoD 8570 IAT II
- BS degree, in lieu of a degree 4 additional years of experience may be substituted
Preferred Skills:
- Experience with Splunk
- Experience with HTML, AJAX, and GUI design
- Experience developing in a platform-as-a-service environment (preferably ServiceNow)
- Experience with developing web applications deployed to the cloud (preferably AWS)
- Experience scripting with OO programming languages (Python, java)
- RESTful API development experience
- Experience in an Agile development methodology including best practices such as automated tests, continuous integration, shared ownership, pull requests, and code reviews
- Experience developing and/or supporting CI/CD pipelines (Ansible, Jenkins, Puppet)
If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.
Original Posting:
September 24, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Pay Range:
Pay Range $107,900.00 - $195,050.00The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
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