Senior UI Software Engineer

00100 LEIDOS, INC.; Omaha (NE); Hybrid; USD 108,000 - 195,000; Full time

Job summary

Leidos in Omaha, Nebraska is seeking a Senior UI Software Engineer to join our agile software teams on-site with some remote work possible. You will build JavaScript-based web apps using modern frameworks and contribute to a fast-paced, customer-focused environment.

The role requires 8+ years of hands-on software experience, strong JS/React/TypeScript skills, and the ability to obtain a Secret clearance. Expect collaboration across teams to deliver scalable solutions.

Qualifications

• US citizen with ability to obtain and maintain a Secret clearance.
• Bachelor’s degree and 8+ years of experience or Master’s with 6+ years; degree optional with extra years.
• Proficient in ES6+ JavaScript, HTML5 and CSS3.
• Experience with modern React, Tanstack/ReactQuery, TypeScript, StyleComponents.
• Familiar with containerization (Docker/Podman) and CI/CD concepts.
• Understanding of software development processes and best practices.

Responsibilities

• Participate in full software development lifecycle within defined parameters.
• Utilize Jira, Confluence, Nexus, Git and related tools for development.
• Create and update design, development and test documentation.
• Plan tasks, estimate effort and improve performance metrics.
• Develop maintainable code and run unit, E2E and integration tests.
• Collaborate with engineers to design for new product features and enhancements.

Skills

ES6+ JavaScript

HTML5

CSS3

React framework

TypeScript

Software development practices

Education

Bachelor's degree

Master's degree

Tools

Tanstack Query/ReactQuery

StyleComponents

CesiumJS

Playbook

Docker/Podman

Git/Jira/Confluence

Job description

Senior UI Software Engineer

Omaha, NE

No clearance required to start – Must be clearable to Secret

Ready for your next career step? We are seeking talented Software Engineers with 8+ years hands‑on experience to join our dynamic Agile software teams in Omaha, Nebraska. This opportunity will provide professional growth that is singularly focused on providing world class solutions to our customers in an exciting, collaborative, and inclusive environment. You will be challenged and provided with a tremendous opportunity to expand your skills in a customer‑facing, fast‑paced, and rewarding environment. In this role, the successful candidate has significant experience in building JavaScript‑based web applications, including familiarity with multiple frameworks, strong programming fundamentals, and typical web application development and deployment processes. You must be capable of working on multiple projects at once and seeing them all through to completion, and a self‑starter who is able to work through any obstacles to get the job done. Most of the work will be on site in Leidos' facility in Omaha, Nebraska. Some level of remote/work from home is possible.

Primary Responsibilities

• Participate in and help lead the full software development lifecycle, working within broadly defined parameters.
• Use Jira, Confluence, Nexus, Git, development operations, collaboration, and source control tools.
• Support creation and updating of all relevant documentation and specifications for design, development, and testing.
• Identify potential roadblocks and develop around them.
• Plan and estimate development tasks and work to improve performance metrics.
• Develop maintainable code that matches specification.
• Write and execute unit, E2E, and integration tests.
• Work closely with other engineers to develop the best technical design and approach for new product development and enhancements.
• Build software solutions where the solution is not always well defined but always considers the customer first.

Basic Qualifications

• US Citizen with the ability to obtain and maintain a Secret security clearance.
• Bachelor’s degree and 8+ years of prior relevant experience or a Master’s degree with 6+ years of experience. Additional years of experience may be considered in lieu of degree.
• Skillful with (ES6+) JavaScript, HTML5, and CSS3 broadly.
• Specific skills in any of the following client technologies preferred:
  • Modern React
  • Tanstack Query/ReactQuery
  • StyleComponents
  • Playbook
  • CesiumJS
  • TypeScript
• Familiar with containerization (Docker/Podman).
• Solid understanding of software development process fundamentals.

Preferred Qualifications

• US Citizen with an active Secret security clearance or higher.
• Experience with Agile development principles and methodologies.
• Working knowledge of continuous integration and delivery methodologies and tools.
• Solid understanding of software development process fundamentals.
• Experience managing projects within the Atlassian suite of tools (Confluence, JIRA, Bitbucket).
• Familiarity with component-based web frameworks & libraries (React, Vue, Angular).
• Knowledge of a version control system (e.g., Git).
• Familiarity with CI/CD processes and tools (Gitlab).
• Familiarity with SQL and NoSQL databases.
• Experience with USSTRATCOM Nuclear Planning process DABAOPP1.

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 Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $17.2billion for the fiscal year ended January2,2026. For more information, visit www.Leidos.com.

Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available here.

Securing Your Data Leidos will never ask you to provide payment‑related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment‑related information or any other personal information, please report the email to [e-mail].

Commitment and Diversity

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law.

Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.