Software Developer

Leidos

$131K — $237K *
Aerospace & Defense
11 - 15 years of experience
Job Overview by Ladders

Qualifications

  • Active TS/SCI with Polygraph clearance
  • BS degree with 12+ years of software engineering experience
  • Proficient in Java, Spring Boot, Angular (Typescript), and AWS
  • Experience in reading and developing customer-specific solutions
  • Skilled in custom ETL development
  • Familiar with Git, Jenkins, Selenium, and Rundeck
  • Command Line experience in Red Hat Linux.

Responsibilities

  • Maintain and modernize legacy applications
  • Write custom scripts for EC2 code deployment
  • Leverage AWS for application development
  • Create and manage RESTful APIs
  • Develop applications using Java and Angular with Elasticsearch
  • Design and utilize custom ETL methodologies
  • Mentor junior developers and uphold best practices.

Benefits

  • Support a 200+ FTE technical development program
  • Opportunity to work on modernizing critical IT systems
  • Collaborative team environment
  • Exposure to cutting-edge technology and methodologies
  • Opportunity for professional growth and learning.
Full Job Description
Leidos is seeking a Software Engineer for a 200+ FTE technical development program supporting the Sponsor's Entitlement Programs as well as IdAM /ICAM, Authentication, Authorization, Attributes and Digital Policy Management. The Software Engineer will work with a large team of developers, software engineers and data engineers. The successful candidate will support continuity of our customer's mission by helping to modernize and implement industry standards while ensuring secure, reliable, and uninterrupted availability of IT systems.

Primary Responsibilities:

o Comfort and familiarity in maintaining legacy applications

o Experience in modernization of legacy applications

o Ability to write custom scripts to install and configure code in EC2 instances

o Experience leveraging Amazon Web Services

o Experience creating RESTful API

o Experience with spring boot

o Develop Java and Angular (Typescript) that leverage Elasticsearch

o Comfort and familiarity designing and utilizing custom ETL methodology

o Strong communication, design, and documentation skills

o Strong time and workflow management skills

o Comfort and familiarity in unit testing, peer code review, and automated testing techniques like Selenium (create, edit, maintain, execute)

o Work within the parameters of Agile & Scrum methodologies

o Willingness to mentor and teach junior developers' community best practices in a constructive fashion

o Ability to methodically think through new and exciting challenges in a collaborative team environment in order to provide technically sound solutions

Required Qualifications
• Active TS/SCI with Polygraph
• BS degree and 12+ years of experience
• Must have experience with Java, spring boot, Angular (Typescript), and the Cloud / Amazon Web Services
• Prior experience reading and developing solutions to customer requirements and specifications
• Prior experience developing custom ETL
• Knowledge of Git, Jenkins, selenium, and Rundeck
• Experiencing working in Command Line (RH Linux)

Desired Qualifications
• Understanding and knowledge with Identity and Accessibility development practices
• Experience with automation methodologies like selenium
• Experience with containerization and modular development
• Familiarity with UI/UX Design
• Full Stack Development
• Certification - Amazon Web Services (AWS)

FIP

Original Posting:
February 18, 2026

Pay Range:
Pay Range $131,300.00 - $237,350.00

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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