Senior UI Developer

Description

At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers’ success. We empower our teams and contribute to our communities. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. If this sounds like a mission you want to be a part of, keep reading!

Every position we take is more rewarding when you know the why behind it. Know your work makes a difference to support those who need it most. If your passion is enabling life changing service to those around, you this is the place for you. Find you passion in a team environment where all members are valued regardless of contractor or employee status.  We are excited for you to take your place in our Leidos Family.

Find your “Why” with us!

• Develop highly innovative UI design, Web components, achieved through collaboration and dialogue with other experts in the field. The candidate will continually assess advancements in technologies to gauge and recommend better solutions for the customer to improve the software developer experience and efficient delivery of software.
• Attend all customer technical discussions/design/development meetings and provide technical inputs to further enhance the code quality/process.

• Front   end development using modern JavaScript and experience with ES6+ features, such as classes, arrow functions, template literals and modules.

• Provide guidance/support to other junior/mid-level developers.
• Impact functional strategy by developing new solutions, processes, standards, or operational plans that position Leidos competitively in the marketplace.
• All other duties as assigned or directed.

*This position is onsite 5 days a week in Woodlawn, MD*

(Basic Qualifications):

• Bachelor’s degree in computer science, Mathematics, Engineering, or a related field and 12 years of experience. Additional years of experience may be substituted in lieu of degree.
• Master’s or Doctorate degree may substitute for required experience.
• 10+ years of experience with Web component development using modern JavaScript, CSS and CSS preprocessors such as SASS and LESS, ES 6+, and Stencil.js.
• Must be able to obtain and maintain a public trust clearance.

Factors to Help You Shine (Required Skills):

These skills will help you succeed in this position:

• Strong knowledge of modern JavaScript and experience with ES6+ features, such as classes, arrow functions, template literals and modules.
• Senior Level development experience with React, Angular or another modern SPA framework.
• Strong experience with CSS and CSS preprocessors such as SASS.
• Experience with web component development and the web component APIs (Custom Elements, Shadow DOM, etc.)
• Experience working with design systems.
• Understanding of accessibility and how to create accessible web applications.
• Familiarity with StencilJS a plus.
• Strong front-end debugging and troubleshooting skills.
• Understanding of web performance optimization techniques and best practices.
• Experience using Git and version control.
• Familiarity with modern front-end build pipelines and tools.

How to Stand Out from the Crowd (Desired Skills)

Showcase your knowledge of modern development through the following experience or skills:

• Experience with modern development software, tools, and methodologies.
• Experience working on Agile projects and understanding Agile terminology.
• Work in DevOps Environment.
• Experience with Linux environments.
• Participate in daily scrum and provide updates.
• Excellent communication and written skills

Original Posting:

July 14, 2025

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 $126,100.00 – $227,950.00

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.