Software Developer SME

Leidos Holding$154K — $278K *
Information Technology
11 - 15 years of experience
Job Overview by Ladders

Qualifications

  • Active TS/SCI with Polygraph clearance
  • Master's degree with 15+ years of experience or equivalent experience
  • Proficiency in Java, Spring Boot, Angular (Typescript) and AWS
  • Experience in developing custom ETL solutions
  • Knowledge of Git, Jenkins, Selenium, and Rundeck
  • Comfortable working within Red Hat Linux command line

Responsibilities

  • Maintain and modernize legacy applications
  • Write custom scripts for code installation and configuration on EC2 instances
  • Create and manage RESTful APIs
  • Develop applications using Java and Angular with Elasticsearch
  • Design and implement custom ETL methodologies
  • Perform unit testing, peer code review, and use automated testing techniques
  • Mentor junior developers on best practices and collaborative problem solving

Benefits

  • Opportunity to work with a large, collaborative team
  • Involvement in modernizing and implementing industry standards
  • Engagement in Agile & Scrum methodologies
  • Chance to contribute to significant customer missions
  • Mentorship opportunities in a community-focused environment
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:

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
• Master's degree and 15+ years of experience. Additional experience in lieu of degree.
• 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:
June 29, 2026

Pay Range:
Pay Range $154,050.00 - $278,475.00

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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