Senior Software Developer

Leidos

$107K — $195K *
Aerospace & Defense
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Active TS/SCI with Polygraph clearances
  • BS degree with 8+ years of relevant experience (or equivalent experience in lieu of a degree)
  • Proficiency in front-end frameworks like Angular, React, or Vue
  • Effective verbal and written communication skills
  • Ability to work independently and collaboratively in a dynamic environment
  • Experience in cross-functional team collaboration regarding software development and security compliance
  • Familiarity with security handling from system scans

Responsibilities

  • Deliver software development products as per sponsor requirements
  • Develop enterprise software solutions for cloud environments
  • Create test scripts and conduct unit testing
  • Support front-end development using Angular
  • Engage in back-end development using NestJS
  • Utilize Agile methodologies for workload management
  • Leverage AWS for software solutions

Benefits

  • Collaborative and innovative work culture
  • Opportunity to tackle high-stakes problems
  • Work with a team of diverse technology professionals
  • Potential for professional growth in a dynamic environment
  • Engagement with modern development tools and techniques
Full Job Description
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


Original Posting:
October 9, 2025

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.

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