Senior Software Developer at Leidos in Chantilly, VA

Leidos is seeking a Full Stack Software Developer with expertise in modern front-end development frameworks such as Angular, React, or Vue as well as back-end development using TypeScript (e.g., building RESTful APIs working with NestJS). You will support a 200+ FTE technical development program supporting the Sponsor’s IdAM/ICAM programs located on a secure network. As a Software Developer you will design, develop, and implement reliable, robust, and resilient code for systems used by the sponsor. Demonstratable working experience with development tools (e.g., Angular, React, Vue, NestJS), is strongly preferred. The Software Developer will work with an integrated team of developers, software engineers, cybersecurity engineers, database administrators, and system architects.

*** Applicants for this position are expected to have significant, hands-on software development experience. ***

Primary Responsibilities

• Deliver Software Development products in accordance with sponsor delivered requirements
• Support the development of enterprise software solutions within the customer’s cloud environments
• Create test scripts and perform unit testing
• Support Front end development using Angular
• Support Back end development using NestJS
• Utilize agile techniques to manage workload
• Leverage Amazon Web Services
• Experience creating RESTful APIs

Required Qualifications

• Active TS/SCI with Polygraph
• BS degree and 8+ years of relevant experience. Additional experience in lieu of degree.
• Must have experience with modern front-end development frameworks (Angular, React, etc.)
• Must be able to plan and prioritize personal tasking and be able to communicate effectively verbally and in writing
• Must be an independent thinker, capable of performing high quality work, both independently and with a team in a fast-moving environment.
• Work with the team’s security engineer to address and mitigate security findings stemming from system security scans
• Experience interacting with cross functional project teams including Software Development System Engineering, Security Compliance, and Quality Assurance

Desired Qualifications

• Demonstratable working experience with containers (i.e., Docker/Podman) or their orchestration (e.g., Kubernetes)
• Demonstratable working experience with serverless platforms (e.g., AWS Lambda)
• Experience with security accreditation process
• Experience working in Agile, SAFe, and Scrum environments

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:

October 9, 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.