Leidos

Full Stack Software Developer

Leidos  •  $108k - $195k/yr  •  United States (Onsite)  •  1 month ago
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Job Description

The NISC IV program at Leidos is seeking a Full Stack Developer to join our team and help build scalable, intelligent applications using Power Apps, Appian, and robust data structure principles. The successful candidate will play a critical role in the design, development, and deployment of enterprise-grade applications. Additionally, the ideal candidate will have hands-on experience with Microsoft Power Platform, Appian BPM, and solid knowledge of computer science fundamentals including data structures and algorithms.

Primary Responsibilities:

  • Design and develop scalable applications using Power Apps and Appian.
  • Collaborate with cross-functional teams to gather and define requirements.
  • Build and optimize backend logic, APIs, and data models.
  • Implement efficient data structures and algorithms to improve application performance.
  • Integrate with third-party systems and enterprise databases.
  • Conduct unit testing and participate in code reviews.
  • Maintain clear documentation and adhere to software development best practices.

Basic Qualifications:

  • Bachelor’s degree in Computer Science, Information Technology, or related field and 8 to 12 years of relevant experience or Masters Degree and 6 to 10 years.
  • 3+ years of experience in full stack development.
  • Proficient in Power Apps (Canvas and Model-Driven apps).
  • Experience with Appian development and workflows.
  • Strong understanding of data structures, algorithms, and software design principles.
  • Familiarity with JavaScript, C#, SQL, and RESTful APIs.
  • Excellent problem-solving skills and attention to detail.
  • Must be able to obtain and maintain FAA Public Trust.

Preferred Qualifications:

  • Appian Certified Developer or Microsoft Power Platform certifications.
  • Experience with cloud platforms such as Azure or AWS.
  • Understanding of Agile/Scrum methodologies.
  • Knowledge of security best practices in app development.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

April 16, 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.

Leidos

About Leidos

Leidos is a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health. The company's global workforce of 48,000 collaborates to create smarter technology solutions for customers in heavily regulated industries. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $15.4 billion for the fiscal year ended December 29, 2023.

Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®.

Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos.

Your most important work is ahead, visit careers.leidos.com for our latest opportunities.

Industry
Aviation & Aerospace
Company Size
10,000+ employees
Headquarters
Reston, Virginia
Year Founded
1969
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