What if the software you developed directly enabled some of the nation's most critical missions? As a Senior Software Developer, you'll do more than write exceptional code, you'll help build innovative, secure, and scalable solutions that support Intelligence Community operations. If you're passionate about modern software engineering, enjoy collaborating in Agile teams, and thrive on solving complex technical challenges, Leidos wants to hear from you.
On the Maru Program, you’ll join a high-performing team where your ideas are valued, your technical expertise is trusted, and your work has a tangible impact. Working alongside software engineers, architects, DevSecOps engineers, cybersecurity professionals, and mission stakeholders, you'll develop next-generation applications that deliver mission-critical capabilities in a fast-paced Agile environment.
This is your opportunity to build cutting-edge software while contributing to work that truly matters.
What You'll Do
As a Senior Software Developer, you'll play a key role in designing, developing, testing, and deploying secure, scalable applications that support enterprise and mission operations.
Please note Gaithersburg, MD is the program’s primary work location.
Active Top Secret/SCI with the ability to successfully pass a Polygraph examination.
Primary Responsibilities:
Required Qualifications:
Preferred Qualifications:
#Maru
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.
August 6, 2026
For 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 $107,900.00 - $195,050.00
The 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.
Leidos is a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health. The company's global workforce of 48,000 collaborates to create smarter technology solutions for customers in heavily regulated industries. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $15.4 billion for the fiscal year ended December 29, 2023.
Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®.
Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos.
Your most important work is ahead, visit careers.leidos.com for our latest opportunities.
