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Full-Stack Developer (SWE-3)
full-timeUnited States$107k - $195k

Summary

Location

United States

Salary

$107k - $195k

Type

full-time

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About this role

Leidos has a new and exciting opportunity for a Senior Full-Stack Developer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA).  Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more.  Join us and make a difference in National Security!  

Job Summary:

Our LOE program provides our customer's Operations organization with the best possible solutions for their mission needs. We achieve this through rapid prototyping, new development, and advanced technology research. From leading-edge visualizations to analytic development, we're always pushing the boundaries to find new and better data sources and tradecraft to answer intelligence questions. With a focus on collaboration and a fast-paced environment, our prototype development program is the ideal place to grow your skills and make a real impact. Click here to learn more about how this program “Delivers Mission Success!”

Seeking a motivated Senior Full-Stack Developer to support the exciting Corporate Discovery Services mission.  Developers will work closely with mission stakeholders to capture requirements and create innovative analytics and deploy solutions to customer supported tools to automate and enable data and metadata analysis.

Job Responsibilities/Qualifications:

  • Mission Focus: Collaborate closely with customers to deliver a software solution to capture holistic information about analytic dependencies, performance and governance status; and develop a software solution that will provide means to federate, join, and aggregate information across disparate data sources in a policy compliant manner. 
  • Technical Proficiency: Creatively leverage disparate data to fill knowledge gaps in user activities, collection efforts, and technology discovery to include creating API’s and business intelligence analytics.
  • Qualifications: Bachelor’s degree in computer science or related technical field plus a minimum of eight (8) plus years of relevant experience or equivalent. Proficiency with object-oriented language (Python and Java) and experience with Jupyter Notebooks, GHOSTMACHINE, and Query Time Analytics.
  • Security Clearance Requirement: Candidates must possess an active TS/SCI with Polygraph to be considered for this role.
  • Desirable Skills: Knowledge of Tableau, Atlassian, and customer corporate tools and data repositories.

At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you – apply today!

Careers.leidos.com

conmd

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:

January 20, 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:

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.

Other facts

Tech stack
Full-Stack Development,Software Solutions,Data Analysis,API Development,Business Intelligence,Python,Java,Jupyter Notebooks,GHOSTMACHINE,Query Time Analytics,Tableau,Atlassian,Data Repositories,Collaboration,Prototyping,Analytic Development

About Leidos

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.

Team size: 10,001+ employees
LinkedIn: Visit
Industry: Defense and Space Manufacturing
Founding Year: 1969

What you'll do

  • Developers will work closely with mission stakeholders to capture requirements and create innovative analytics. They will deploy solutions to customer-supported tools to automate and enable data and metadata analysis.

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Frequently Asked Questions

What does Leidos pay for a Full-Stack Developer (SWE-3)?

Leidos offers a competitive compensation package for the Full-Stack Developer (SWE-3) role. The salary range is USD 108k - 195k per year. Apply through Clera to learn more about the full compensation details.

What does a Full-Stack Developer (SWE-3) do at Leidos?

As a Full-Stack Developer (SWE-3) at Leidos, you will: developers will work closely with mission stakeholders to capture requirements and create innovative analytics. They will deploy solutions to customer-supported tools to automate and enable data and metadata analysis..

Why join Leidos as a Full-Stack Developer (SWE-3)?

Leidos is a leading Defense and Space Manufacturing company. The Full-Stack Developer (SWE-3) role offers competitive compensation.

Is the Full-Stack Developer (SWE-3) position at Leidos remote?

The Full-Stack Developer (SWE-3) position at Leidos is based in United States, United States. Contact the company through Clera for specific work arrangement details.

How do I apply for the Full-Stack Developer (SWE-3) position at Leidos?

You can apply for the Full-Stack Developer (SWE-3) position at Leidos directly through Clera. Click the "Apply Now" button above to start your application. Clera's AI-powered platform will help match your profile with this opportunity and guide you through the application process. You can also learn more about Leidos on their website.