Software Engineer Expert

Leidos Holding$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 or equivalent work experience
  • Proficiency in multiple programming languages (Java, JavaScript, Python, XML)
  • Experience in web software management and development
  • Demonstrated knowledge of cloud services
  • Familiarity with Windows and/or Unix operating systems

Responsibilities

  • Design, develop, and maintain applications in cloud environments
  • Modify existing software to enhance performance or compatibility
  • Conduct unit and functional test plan development
  • Consult with customers on software system design and maintenance
  • Analyze user needs to determine software design feasibility
  • Coordinate software installation and monitor system performance
  • Write and update software documentation for clarity and usability

Benefits

  • Opportunities for professional development and career growth
  • Work on high-visibility projects with a critical impact
  • Collaborate with a talented and creative team
  • Access to advanced tools and technologies in software development
  • Contribute to mission-critical applications for a well-established customer
Full Job Description
Leidos has immediate opportunities for a Full Stack Developer to join a team building innovative software supporting the Sponsor's Entitlement Programs as well as IdAM /ICAM, Authentication, Authorization, Attributes and Digital Policy Management. We're supporting a well-established customer that is responsible for critical and high-visibility missions applications used by a wide audience. Our team is tremendously talented, and we need to add a talented and creative Full-Stack Developer to the team.
  • Experience with VUE or React
  • Provide database architectural and design capabilities
  • Develop unit and functional test plan
  • Provide the operations and maintenance of operational systems
  • Modify existing software to correct errors, allow it to adapt to new hardware, or to improve its performance
  • Analyze user needs and software requirements to determine feasibility of design within time and cost restraints
  • Consult with customers about software system design and maintenance
  • Coordinate software system installation and monitor equipment functioning to ensure specifications are met Design, develop, and modify software systems, using scientific analysis and mathematical models to predict and measure outcome and consequence of design
  • Develop and direct software system testing and validation procedures, programming, and documentation
  • Confer with systems analysts, engineers, programmers and others to obtain information on project limitations and capabilities, performance requirements and interfaces
  • Correct errors by making appropriate changes and then recheck the program to ensure that the desired results are produced
  • Conduct trial runs of program and software applications to be sure they will produce the desired information and that the instructions are correct
  • Compile and write documentation of program development and subsequent revisions, inserting comments in the coded instruction so others can understand the program
  • Write, update, and maintain computer programs or software packages to handle specific jobs, such as tracking inventory, storing or receiving data, or controlling other equipment
  • Consult with managerial, engineering, and technical personnel to clarify program intent, identify problems, and suggest changes
  • Perform or direct revision, repair, or expansion of existing programs to increase operating efficiency or adapt to new requirements
  • Written, analyze, review, and rewrite programs, using workflow chart and diagram, and applying knowledge of computer capabilities, subject matter, and symbolic logic
  • Write or contribute to instructions or manuals to guide end users
  • Investigate whether networks, workstations, the central processing unit of the system, or peripheral equipment are responding to a program's instructions
  • Prepare detailed workflow charts and diagrams that describe input, output, and logical operational, and convert them into a series of instructions coded in a computer language
  • Consult with and assist computer operators or system analysts to define and resolve problems in running computer programs
  • Assign, coordinate, and review work and activities of programming personnel
  • Designs, Develops, and Maintains applications within the cloud environment. This can be for new applications development or the transition of legacy applications to the cloud environment.


Required Quals
  • Active TS/SCI with Polygraph
  • Requires BS degree and 12+ years of prior relevant experience. Additional experience in lieu of degree.
  • Demonstrated experience in multiple programming languages (Java, JavaScript, Python, and/or XML)
  • Experience managing and developing web software
  • Demonstrated experience with cloud services
  • Experience in Windows and/or Unix


FIP

Original Posting:
August 11, 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.

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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