Senior UI Software Engineer
Leidos
About the role
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
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:
October 30, 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.
Responsibilities
- Participate in and help lead the full software development lifecycle.
- Develop maintainable software and write unit, end-to-end, and integration tests.
- Plan and estimate development tasks and improve performance metrics.
- Collaborate with engineers on technical designs and product development.
- Create and update design, development, and testing documentation.
- Identify roadblocks and deliver customer-focused software solutions.
Qualifications
- Bachelor’s degree with 8+ years of relevant experience, or a master’s degree with 6+ years; additional experience may substitute for a degree.
- U.S. citizen able to obtain and maintain a Secret security clearance.
- Proficiency in JavaScript (ES6+), HTML5, and CSS3.
- Experience with modern client technologies such as React, TypeScript, or CesiumJS.
- Familiarity with containerization, software development fundamentals, and version control.
- Preferred experience with Agile, CI/CD, Atlassian tools, web frameworks, and SQL or NoSQL databases.
Skills mentioned
About Leidos
Leidos is an industry and technology leader serving government & 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 $17.2 billion for the fiscal year ended January 2, 2026. 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.
H-1B sponsorship history
Historical employer filing data was found for Leidos. The employer record includes 364 historical certified applications. This is employer-level history, not a guarantee that this role currently offers sponsorship.