Expert Software Engineer

Leidos

$131K — $237K *
Information Technology
11 - 15 years of experience
Job Overview by Ladders

Qualifications

  • Active TS/SCI with Polygraph clearance required
  • BS degree with 12+ years of relevant experience; additional experience may substitute for degree
  • Proficient in multiple programming languages including Java, Spring Boot, and Angular (Typescript)
  • Experience in Full Stack Development
  • Previous experience delivering solutions that meet customer specifications
  • Knowledge of Git, Jenkins, Selenium, and Rundeck
  • Familiarity with command line operations in RH Linux

Responsibilities

  • Manage task assignments for a small to medium-sized development team
  • Collaborate with leadership and architects on design and planning processes
  • Coordinate with internal and external teams for integration and task delivery
  • Maintain and modernize legacy applications
  • Write custom scripts for code installation and configuration in EC2 instances
  • Create and manage RESTful APIs
  • Develop applications using Java and Angular with a focus on TypeScript

Benefits

  • Mentorship opportunities in community best practices
  • Support for skill enhancement in modern development methodologies
  • Collaboration with a diverse team of engineers and designers
  • Engagement in Agile & Scrum environments guiding project progress
  • Opportunities to work with advanced technologies such as AWS
Full Job Description
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:
  • List daily duties and/or specific job responsibilities.
    • Manage the tasking of a small-medium size development team
    • Collaboratively work with leadership and architects on design, planning, statusing, and architecture
    • Collaborate with internal and external teams for integrations and tasking delivery
    • Comfort and familiarity in maintaining legacy applications
    • Experience in modernization of legacy applications
    • Ability to write custom scripts to install and configure code in EC2 instances
    • Experience leveraging Amazon Web Services
    • Experience creating RESTful API
    • Experience with spring boot
    • Develop Java and Angular (Typescript)
    • Comfort and familiarity designing and utilizing custom ETL methodology
    • Strong communication, design, and documentation skills
    • Strong time and workflow management skills
    • Comfort and familiarity in unit testing, peer code review, and automated testing techniques like Selenium (create, edit, maintain, execute)
    • Work within the parameters of Agile & Scrum methodologies
    • Willingness to mentor and teach developers' community best practices in a constructive fashion
    • Ability to methodically think through technical challenges in a collaborative team environment in order to provide technically sound solutions


Required Quals:
  • Active TS/SCI with Polygraph
  • BS degree and 12+ years of prior relevant experience. Additional experience in lieu of degree.
  • Must have experience in multiple programming languages (Java, spring boot, Angular (Typescript), and the Cloud / Amazon Web Services)
  • Full Stack Development
  • Prior experience developing solutions to satisfy customer requirements and specifications
  • Knowledge of Git, Jenkins, selenium, and Rundeck
  • Experiencing working in Command Line (RH Linux)


Desired Quals:
  • Understanding and knowledge with Identity and Accessibility development practices
  • Experience developing custom ETL
  • Experience utilizing ETL frameworks (NiFi, Camel, Airflow, etc)
  • Experience with automation methodologies like selenium
  • Experience with containerization and modular development
  • Familiarity with UI/UX Design
  • Certification - Amazon Web Services (AWS)

Original Posting:
April 21, 2026

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 $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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