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Senior Full-Stack Developer (SWE-3) - Careers at Leidos

Leidos

Senior Full-Stack Developer (SWE-3) - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Join Leidos' National Security Sector as a Senior Full-Stack Developer

Leidos has an exciting opportunity for a Senior Full-Stack Developer (SWE-3) in our National Security Sector's Cyber & Analytics Business Area (CABA). Our team leads in Security Engineering, Computer Network Operations, Mission Software, Analytical Methods, SIGINT, and Cryptographic Key Management. Make a real impact on national security while enjoying competitive benefits like Paid Time Off, 11 paid holidays, 401K with 6% match, flexible schedules, and more.

Mission-Driven Development on the LOE Program

Support the LOE program delivering rapid prototyping, new development, and advanced technology research. Push boundaries with leading-edge visualizations, analytic development, and innovative tradecraft to answer critical intelligence questions. Work in a collaborative, fast-paced environment focused on the Corporate Discovery Services mission.

Key Responsibilities

  • Collaborate with customers to build software capturing analytic dependencies, performance, and governance.
  • Federate and aggregate data across disparate sources compliantly.
  • Develop APIs and BI analytics to uncover insights on user activities and technology discovery.
  • Deploy solutions to customer tools for automated data and metadata analysis.

Required Qualifications

  • Bachelor’s in Computer Science or related field + 8+ years experience.
  • Expertise in Python, Java, Jupyter Notebooks, GHOSTMACHINE, Query Time Analytics.
  • Active TS/SCI with Polygraph clearance.

Desirable Skills

Experience with Tableau, Atlassian, and customer corporate tools/data repositories.

At Leidos, we outthink, outbuild, and outpace the status quo. If you're ready to disrupt and drive mission success at Fort George G. Meade, apply today!

Locations

  • Fort George G. Meade, Maryland, United States

Salary

107,900 - 195,050 USD / yearly

Estimated Salary Rangehigh confidence

107,900 - 195,050 USD / yearly

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • Pythonintermediate
  • Javaintermediate
  • Jupyter Notebooksintermediate
  • GHOSTMACHINEintermediate
  • Query Time Analyticsintermediate
  • API Developmentintermediate
  • Tableauintermediate
  • Atlassianintermediate
  • Business Intelligence Analyticsintermediate

Required Qualifications

  • Bachelor’s degree in computer science or related technical field (experience)
  • Minimum of 8+ years of relevant experience or equivalent (experience)
  • Proficiency with object-oriented languages (Python and Java) (experience)
  • Active TS/SCI with Polygraph security clearance (experience)

Responsibilities

  • Collaborate with mission stakeholders to capture requirements and deliver software solutions
  • Develop solutions to capture analytic dependencies, performance, and governance status
  • Federate, join, and aggregate information across disparate data sources in a policy-compliant manner
  • Create APIs and business intelligence analytics to fill knowledge gaps in user activities and technology discovery
  • Leverage disparate data for innovative analytics and deploy to customer-supported tools

Benefits

  • general: Paid Time Off
  • general: 11 paid Holidays
  • general: 401K with 6% company match and immediate vesting
  • general: Flexible Schedules
  • general: Discounted Stock Purchase Plans
  • general: Technical Upskilling
  • general: Education and Training Support
  • general: Parental Paid Leave

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Leidos logo

Senior Full-Stack Developer (SWE-3) - Careers at Leidos

Leidos

Senior Full-Stack Developer (SWE-3) - Careers at Leidos

full-timePosted: Feb 3, 2026

Job Description

Join Leidos' National Security Sector as a Senior Full-Stack Developer

Leidos has an exciting opportunity for a Senior Full-Stack Developer (SWE-3) in our National Security Sector's Cyber & Analytics Business Area (CABA). Our team leads in Security Engineering, Computer Network Operations, Mission Software, Analytical Methods, SIGINT, and Cryptographic Key Management. Make a real impact on national security while enjoying competitive benefits like Paid Time Off, 11 paid holidays, 401K with 6% match, flexible schedules, and more.

Mission-Driven Development on the LOE Program

Support the LOE program delivering rapid prototyping, new development, and advanced technology research. Push boundaries with leading-edge visualizations, analytic development, and innovative tradecraft to answer critical intelligence questions. Work in a collaborative, fast-paced environment focused on the Corporate Discovery Services mission.

Key Responsibilities

  • Collaborate with customers to build software capturing analytic dependencies, performance, and governance.
  • Federate and aggregate data across disparate sources compliantly.
  • Develop APIs and BI analytics to uncover insights on user activities and technology discovery.
  • Deploy solutions to customer tools for automated data and metadata analysis.

Required Qualifications

  • Bachelor’s in Computer Science or related field + 8+ years experience.
  • Expertise in Python, Java, Jupyter Notebooks, GHOSTMACHINE, Query Time Analytics.
  • Active TS/SCI with Polygraph clearance.

Desirable Skills

Experience with Tableau, Atlassian, and customer corporate tools/data repositories.

At Leidos, we outthink, outbuild, and outpace the status quo. If you're ready to disrupt and drive mission success at Fort George G. Meade, apply today!

Locations

  • Fort George G. Meade, Maryland, United States

Salary

107,900 - 195,050 USD / yearly

Estimated Salary Rangehigh confidence

107,900 - 195,050 USD / yearly

* This is an estimated range based on market data and may vary based on experience and qualifications.

Skills Required

  • Pythonintermediate
  • Javaintermediate
  • Jupyter Notebooksintermediate
  • GHOSTMACHINEintermediate
  • Query Time Analyticsintermediate
  • API Developmentintermediate
  • Tableauintermediate
  • Atlassianintermediate
  • Business Intelligence Analyticsintermediate

Required Qualifications

  • Bachelor’s degree in computer science or related technical field (experience)
  • Minimum of 8+ years of relevant experience or equivalent (experience)
  • Proficiency with object-oriented languages (Python and Java) (experience)
  • Active TS/SCI with Polygraph security clearance (experience)

Responsibilities

  • Collaborate with mission stakeholders to capture requirements and deliver software solutions
  • Develop solutions to capture analytic dependencies, performance, and governance status
  • Federate, join, and aggregate information across disparate data sources in a policy-compliant manner
  • Create APIs and business intelligence analytics to fill knowledge gaps in user activities and technology discovery
  • Leverage disparate data for innovative analytics and deploy to customer-supported tools

Benefits

  • general: Paid Time Off
  • general: 11 paid Holidays
  • general: 401K with 6% company match and immediate vesting
  • general: Flexible Schedules
  • general: Discounted Stock Purchase Plans
  • general: Technical Upskilling
  • general: Education and Training Support
  • general: Parental Paid Leave

Target Your Resume for "Senior Full-Stack Developer (SWE-3) - Careers at Leidos" , Leidos

Get personalized recommendations to optimize your resume specifically for Senior Full-Stack Developer (SWE-3) - Careers at Leidos. Takes only 15 seconds!

AI-powered keyword optimization
Skills matching & gap analysis
Experience alignment suggestions

Check Your ATS Score for "Senior Full-Stack Developer (SWE-3) - Careers at Leidos" , Leidos

Find out how well your resume matches this job's requirements. Get comprehensive analysis including ATS compatibility, keyword matching, skill gaps, and personalized recommendations.

ATS compatibility check
Keyword optimization analysis
Skill matching & gap identification
Format & readability score

Tags & Categories

Jobs in Fort George G. Meade MDLeidos CareersHiring in MarylandDefense IT jobsCyber Analytics rolesEngineeringInformation TechnologySecurity

Answer 10 quick questions to check your fit for Senior Full-Stack Developer (SWE-3) - Careers at Leidos @ Leidos.

Quiz Challenge
10 Questions
~2 Minutes
Instant Score

Related Books and Jobs

No related jobs found at the moment.