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Senior Developer
full-timeChantilly$107k - $195k

Summary

Location

Chantilly

Salary

$107k - $195k

Type

full-time

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About this role

Leidos is seeking a Software Developer for a 200+ FTE technical development program supporting the Sponsor’s Entitlement Programs as well as IdAM /ICAM, Authentication, Authorization, Entitlements and Digital Policy Management.  The Software Developer will work with a large team of developers and cloud engineers.

Primary Responsibilities:

The Developer will be part of a team of developers and cloud engineers that create new features for legacy applications as sponsor’s mission continues to expand and evolve.  Our team also builds new applications as new mission needs arise.  Our work rhythm revolves around the Scrum agile framework to deliver incremental enhancements on a 3-week cycle.  Developers actively participate in planning deliverables and grooming the Jira backlog.  We rely on team collaboration to continually fine tune performance and ensure clear communication.  Developers also participate in a team rotation of O&M responsibilities.  They are required to be on-call for after-hours support approximately one week every three months.

Required Qualifications

  • Active TS/SCI with Polygraph
  • BS degree 8+ years of relevant experience. Additional experience in lieu of degree. 
  • Experience creating applications with Java, Springboot, and Amazon Web Services
  • Experience writing custom scripts to install and configure code in EC2 instances
  • Experience using Git, Jenkins, and Rundeck
  • Experience using CloudFormation scripts
  • Experience creating RESTful API
  • Experience working on a team that used the Scrum agile framework
  • Experience manipulating data using XML, JSON and YAML formats

Desired Qualifications

  • Certification - Amazon Web Services (AWS)
  • Experience delivering containerized applications with services similar to Docker and Kubernetes
  • Experience creating applications/services using Python
  • Experience with Elasticsearch and/or Kibana
  • Experience creating applications that rely on tokenization
  • Experience writing custom scripts to install and configure code in EC2 instances
  • Understanding of Identity Access Management (IAM) and Zero Trust concepts
  • Understanding of Artificial Intelligence (AI) concepts such as prompt engineering and large language models (LLM)
  • Experience building microservices
  • Experience with automated testing frameworks such as Katalon Studio or Selenium
  • Experience building solutions designed to continue operation even if one AWS region is unavailable

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:

November 3, 2025

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
Java,Springboot,Amazon Web Services,Git,Jenkins,Rundeck,CloudFormation,RESTful API,Scrum,XML,JSON,YAML,Python,Elasticsearch,Kibana,Microservices,Automated Testing

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

  • The Developer will be part of a team that creates new features for legacy applications and builds new applications as mission needs arise. They will participate in planning deliverables and grooming the Jira backlog while also being involved in a team rotation of O&M responsibilities.

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Frequently Asked Questions

What does Leidos pay for a Senior Developer?

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

What does a Senior Developer do at Leidos?

As a Senior Developer at Leidos, you will: the Developer will be part of a team that creates new features for legacy applications and builds new applications as mission needs arise. They will participate in planning deliverables and grooming the Jira backlog while also being involved in a team rotation of O&M responsibilities..

Why join Leidos as a Senior Developer?

Leidos is a leading Defense and Space Manufacturing company. The Senior Developer role offers competitive compensation.

Is the Senior Developer position at Leidos remote?

The Senior Developer position at Leidos is based in Chantilly, Virginia, United States. Contact the company through Clera for specific work arrangement details.

How do I apply for the Senior Developer position at Leidos?

You can apply for the Senior Developer 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.