Senior Software Engineer

Leidos Holding$107K — $195K *
Enterprise Technology
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Active TS/SCI with Polygraph clearance
  • BS degree with 8+ years of relevant experience
  • Full Stack Development expertise
  • Proficiency in Java, Spring Boot, Angular (Typescript), and AWS
  • Experience in command line operations (RH Linux)
  • Developer of custom ETL methodologies
  • Familiarity with tools like Confluence, Jira, Git, and Jenkins

Responsibilities

  • Maintain and modernize legacy applications
  • Write custom scripts for EC2 code installation and configuration
  • Leverage Amazon Web Services for development tasks
  • Design custom ETL methodologies
  • Develop RESTful APIs using Spring Boot
  • Create applications with Java and Angular (Typescript) integrated with Elasticsearch
  • Conduct unit testing and participate in peer code reviews

Benefits

  • Opportunity to work on high-impact government programs
  • Collaborative team environment with diverse expertise
  • Opportunities for mentorship and professional development
  • Engagement with modern technology stacks and methodologies
  • Involvement in Agile and Scrum practices
Full Job Description
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, Attributes and Digital Policy Management. The Software Developer 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.
    • Maintain and modernize legacy applications
    • Ability to write/develop custom scripts to install and configure code in EC2 instances
    • Leverage Amazon Web Services
    • Design and utilize custom ETL Methodology
    • Develop RESTful API (spring boot)
    • Develop Java and Angular (Typescript) applications leveraging Elasticsearch
    • Conduct unit testing and peer code reviews
    • Utilize automated testing frameworks (Selenium)
    • Possess strong communication, design, and documentation skills
    • Possess strong organization, time, and workflow management skills
    • Collaborate with internal/external teams to deliver technically sound solutions
    • Ability to methodically think through technical challenges in a collaborative team environment in order to provide technically sound solutions
    • Work within the parameters of Agile & Scrum methodologies
    • Mentor junior developers on community best practices


Required Quals:
  • Active TS/SCI with Polygraph
  • BS degree and 8+ years of prior relevant experience. Additional experience in lieu of degree.
  • Full Stack Development
  • Experience in multiple programming languages (Java, spring boot, Angular (Typescript), and the Cloud / Amazon Web Services)
  • Experience in reading and developing solutions to satisfy customer requirements and specifications
  • Experience working in Command Line (RH Linux)
  • Experience developing custom ETL methodology
  • Knowledge of Confluence, Jira, Git, and Jenkins


Desired Quals:
  • Experience with Identity and Accessibility development practices
  • Experience with containerization and modular development
  • Experience with automation methodologies like selenium
  • Experience with automation services such as Rundeck
  • Familiarity with UI/UX Design
  • Certification - Amazon Web Services (AWS)


#MSBA

FIP

Original Posting:
September 17, 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 $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.

About Leidos Holding

Leidos Holding Careers

Joining Leidos Holding presents an unparalleled opportunity to advance one's career with a leader in innovation and technology. The company offers a plethora of job opportunities aimed at fostering professional growth and development in a diverse and inclusive environment.

Explore Career Opportunities

Leidos Holding is actively seeking skilled professionals who are passionate about leveraging their expertise to drive innovation and leadership in their fields. With a variety of open positions, Leidos Holding provides a platform for individuals to challenge themselves in a dynamic work environment.

Innovation and Professional Growth

At Leidos Holding, innovation is at the core of everything they do. Employees are encouraged to think creatively and push boundaries. The company supports this drive for innovation through comprehensive professional development and diversity training programs that are designed to enhance skills and foster leadership.

Commitment to Diversity and Inclusion

Leidos Holding is committed to creating a workplace where diversity is not only recognized but celebrated. With a culture that values and promotes diversity, Leidos Holding ensures that all team members have the opportunity to contribute, learn, and grow.

Internship Programs

For those starting their career, Leidos Holding offers internship programs that provide a robust foundation in the industry. Internships are a great way to develop essential skills, gain valuable work experience, and build professional networks.

Benefits and Culture

Employees at Leidos Holding enjoy a range of benefits designed to support their professional and personal lives. The company culture is built on a foundation of respect and integrity, providing a supportive and collaborative environment where every team member is valued.

Join the Team

Leidos Holding is hiring! Explore job opportunities that match your skills and interests. Leidos Holding looks for driven, curious, and innovative individuals to join their team. Positions are available across various disciplines and experience levels.

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Prepare for Your Interview

To prepare for an interview at Leidos Holding, candidates should familiarize themselves with the company's missions and values, update their resumes, and be ready to discuss how their background and skills align with the position they are applying for.

Networking and Career Advancement

Leidos Holding encourages its employees to engage in networking within the company to discover new opportunities for career advancement. The leadership team at Leidos Holding is dedicated to supporting employees in their career paths with ample opportunities for networking and growth.

Explore Leidos Holding Jobs and Careers

Discover the exciting career opportunities at Leidos Holding today. With a commitment to employee growth, innovation, and diversity, Leidos Holding is the perfect place to advance your career. Check out the latest job listings and find your perfect fit at Leidos Holding.

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