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Principal Ui Engineer Jobs (NOW HIRING)

KBR, Inc.

UI Engineer

Beavercreek, OH · On-site

$96K - $128K/yr

Title: UI Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and ...

Far Coder

Principal UX Designer

Los Angeles, CA · On-site

$185 - $230/hr

# Remote Principal UX Designer Job at BelieverUSA9 hours agoFull TimeUSA$185000 - $230000 ... Design and ship high-quality UI/UX at a pace that keeps engineering and cross-functional partners ...

Samsung

UI Engineer

San Jose, CA · On-site

$121K - $162K/yr

Company Description We are seeking a web UI engineer who can design and implement user interfaces based on web technologies such as HTML 5 and JavaScript. The candidate must have at least 5 years of ...

Samsung

UI Engineer

San Jose, CA · On-site

$121K - $162K/yr

Company Description We are seeking a web UI engineer who can design and implement user interfaces based on web technologies such as HTML 5 and JavaScript. The candidate must have at least 5 years of ...

Interon IT Solutions

Senior UI engineer

Rockville, MD · On-site

$132K - $165K/yr

Senior UI Engineer Location-Rockville,MD or Mclean,VA Focus: Front End Overview Our client is looking for a Senior UI Engineer to join the Advertising Regulation Technology (AdReg) team in Business ...

MDAEdge

UI Engineer

Sunnyvale, CA · On-site

$121K - $162K/yr

MDAEdge is seeking a talented UI Engineer to build rich, interactive animations that elevate user experiences. The role involves transforming designs into fluid, accessible, and high-performance web ...

INTEGRATION APPLIANCE, INC.

UI Engineer

Manhattan, NY · On-site

$120 - $180/hr

As a UI Engineer at Intapp, you'll work on an AI-powered, industry‑specific cloud platform that transforms professional and financial services firms. Collaborating with other senior engineers ...

2K

Lead UI Engineer

San Mateo, CA · On-site +1

$133K - $198K/yr

What We Need: We're seeking a Lead UI Engineer, to provide tech direction for our AAA multiplayer project and leadership for our team of UI engineers. In this role, you will design and build flexible ...

Integration Appliance, Inc.

UI Engineer

New York, NY · On-site

$113K - $152K/yr

As a UI Engineer at Intapp, you'll work on an AI-powered, industry-specific cloud platform that transforms professional and financial services firms. Collaborating with other senior engineers ...

31st Union

Lead UI Engineer

San Mateo, CA · On-site

$133K - $198K/yr

What We Need: We're seeking a Lead UI Engineer, to provide tech direction for our AAA multiplayer project and leadership for our team of UI engineers. In this role, you will design and build flexible ...

2K

Lead UI Engineer

San Mateo, CA · On-site

$133K - $198K/yr

What We Need: We're seeking a Lead UI Engineer, to provide tech direction for our AAA multiplayer project and leadership for our team of UI engineers. In this role, you will design and build flexible ...

31st Union

Lead UI Engineer

San Mateo, CA · On-site +1

$133K - $198K/yr

What We Need: We're seeking a Lead UI Engineer, to provide tech direction for our AAA multiplayer project and leadership for our team of UI engineers. In this role, you will design and build flexible ...

Filevine

UI Engineer

San Francisco, CA

$122K - $163K/yr

Role Summary: We're looking for a UI Engineer to focus on execution, polish, and UX quality across the Word add-in and the web app. This role is engineering-first. You won't own UX strategy or define ...

2K

Lead UI Engineer

San Mateo, CA · On-site

$133K - $198K/yr

What We Need: We're seeking a Lead UI Engineer, to provide tech direction for our AAA multiplayer project and leadership for our team of UI engineers. In this role, you will design and build flexible ...

pathwayRP

Principal UI Software Engineer

Durham, NC · Remote

$100K - $134K/yr

Looking for a Principal UI Software Engineer to build a new platform that supports Global Sales and Services for up to 50 countries. The UI Software Engineer will be the expert as a solutions driven ...

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Principal UI Engineer information

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How much do principal ui engineer jobs pay per year?

As of Aug 19, 2026, the average yearly pay for principal ui engineer in the United States is $147,220.00, according to ZipRecruiter salary data. Most workers in this role earn between $118,500.00 and $173,000.00 per year, depending on experience, location, and employer.

What is a Principal UI Engineer?

A Principal UI Engineer is a senior-level professional responsible for leading the design, development, and implementation of user interfaces for software applications. They set technical direction, mentor other engineers, and often collaborate closely with product managers and designers to ensure seamless, user-friendly experiences. Principal UI Engineers also help establish best practices, review code, and may be involved in architectural decisions related to frontend technologies. Their deep expertise enables them to solve complex UI challenges and drive innovation within their teams.

How does a Principal UI Engineer typically collaborate with cross-functional teams during a product development cycle?

As a Principal UI Engineer, you will often serve as a bridge between design, product management, and backend engineering teams. You'll participate in architecture discussions, provide technical guidance on UI best practices, and ensure design intent is accurately translated into the final product. Regular collaboration includes code reviews, design critiques, and sprint planning meetings, where you advocate for user experience and front-end performance. This role requires strong communication skills and a proactive approach to resolving cross-team dependencies and technical challenges.

What are the key skills and qualifications needed to thrive as a Principal UI Engineer, and why are they important?

To thrive as a Principal UI Engineer, you need deep expertise in front-end technologies (such as JavaScript, React, or Angular), UI/UX design principles, and a track record of leading complex projects, typically supported by a relevant degree and significant industry experience. Mastery of design systems, version control (like Git), and prototyping tools (such as Figma or Sketch) is essential, and certifications in advanced front-end frameworks can be advantageous. Exceptional leadership, communication, and problem-solving skills help you mentor teams and collaborate effectively with stakeholders. These abilities are crucial for delivering high-quality, scalable interfaces that drive both user satisfaction and business results.

What is the difference between Principal Ui Engineer vs Senior Ui Engineer?

AspectPrincipal Ui EngineerSenior Ui Engineer
Required CredentialsBachelor's/Master's in Design, Computer Science, or related field; extensive experienceBachelor's in relevant field; 3-5 years of experience
Work EnvironmentLeads design projects, mentors teams, influences product strategyDevelops UI components, collaborates with teams, implements designs
Employer & Industry UsageUsed in tech companies, startups, large enterprises for senior design rolesCommon in software development, tech firms, product teams

The Principal Ui Engineer typically holds a higher level of experience, leadership, and strategic influence compared to a Senior Ui Engineer. While both roles require strong UI design and development skills, the Principal focuses on guiding design direction and mentoring, whereas the Senior executes complex UI tasks and collaborates closely with teams.

More about Principal UI Engineer jobs

What job categories do people searching Principal Ui Engineer jobs look for?

The top searched job categories for Principal Ui Engineer jobs are:

Principal UI Engineer jobs near you
Infographic showing various Principal Ui Engineer job openings in the United States as of August 2026, with employment types broken down into 94% Full Time, 2% Part Time, and 4% Contract. Highlights an 85% Physical, 6% Hybrid, and 9% Remote job distribution, with an average salary of $147,220 per year, or $70.8 per hour.

UI Engineer

KBR, Inc.

Beavercreek, OH • On-site

$96K - $128K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 1 hour ago

KBR rating

8.3

Company rating: 8.3 out of 10

Based on 48 frontline employees who took The Breakroom Quiz

143rd of 449 rated engineering

Job description

Title:
UI Engineer
Belong. Connect. Grow. with KBR!
KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and national security communities. In this position, your work will have a profound impact on the country's most critical role - protecting our national security.
Why Join Us?
  • Innovative Projects: At KBR, you'll be working on cutting-edge projects that support the Department of the Air Force's most mission-critical operations. Our team is pushing the boundaries of open-source development, DevSecOps with state-of-the-art CI/CD pipelines, containerization, Kubernetes, Terraform, Zarf, and innovative API management and database design. You'll be contributing to systems designed for a modeling and simulation SaaS platform that provides dynamic compute power, access to tools, and collaboration capability through a model that will revolutionize the future of military research and development.
  • Collaborative Environment: Our team thrives in a dynamic, mission-driven environment where our employees work shoulder-to-shoulder with software engineers, DevSecOps architects, product leads, mission experts, and defense specialists. We embrace Agile methodologies and secure development practices to ensure rapid iteration, compliance alignment, and seamless integration across modular systems. Our culture prioritizes clarity, precision, and innovation-fostering open communication, iterative refinement, and deep collaboration to deliver software and documentation that's not only compliant, but strategic and impactful across DoD.
  • Impactful Work: Your work here will directly support the Department of the Air Force in advancing defense technology. You'll be at the forefront of innovations, creating new paradigms for providing access to compute power, modeling and simulation tools, and data sharing across organizations to the Department of the Air Force and broader Department of Defense.

Position Summary:
KBR is seeking a motivated and technically capable UI Engineer to support the development, deployment, and sustainment of the GEMSTONE platform. The UI Engineer will help design and develop intuitive, modern, and responsive web applications that enable engineers, analysts, software developers, and mission users to interact with GEMSTONE services and digital assets. The successful candidate will collaborate with product owners, UX designers, software engineers, platform engineers, and government stakeholders to create user experiences that simplify complex technical workflows while maintaining security, scalability, and usability.
Key Responsibilities:
  • Design, develop, and maintain modern web user interfaces supporting GEMSTONE platform capabilities.
  • Implement responsive, accessible, and intuitive user experiences for digital engineering, modeling & simulation, analytics, and data management workflows.
  • Develop front-end applications that integrate with REST, GraphQL, and API-driven backend services.
  • Collaborate with backend engineers to define and implement service integration patterns.
  • Translate UX/UI designs into production-ready web applications.
  • Participate in Agile development activities, sprint planning, demos, and peer reviews.
  • Develop reusable UI components and shared design patterns.
  • Support implementation of role-based and attribute-based access control user experiences.
  • Assist with front-end testing, performance optimization, and troubleshooting.
  • Contribute to CI/CD automation pipelines supporting UI deployment and validation.
  • Create and maintain technical documentation and user-facing guidance materials.
  • Support deployment and operation of applications within cloud-native Kubernetes environments.

Work Environment:
  • Location: Onsite or Hybrid-Dayton, OH
  • Travel Requirements: None
  • Working Hours: Standard

Qualifications:
Required:
  • Bachelor's degree in Computer Science, Software Engineering, Human Computer Interaction, Information Systems, UXD, or related technical field.
  • Ability to obtain a DoD Secret security clearance
  • Ability to learn complex software ecosystems and rapidly become proficient in new platforms and technologies.
  • Ability to submit a portfolio of previous work prior to an interview.
  • 1-5 years of software development experience focused on web application development.
  • Experience with modern JavaScript/TypeScript development.
  • Experience with at least one modern front-end framework:
    • React
    • Angular
    • Vue.js
  • Familiarity with authentication technologies such as Keycloak, OAuth2, OIDC, or SAML.
  • Experience developing responsive web applications.
  • Understanding of HTML5, CSS3, and modern web standards.
  • Familiarity with RESTful APIs and client-side API integration.
  • Experience using Git-based source control systems.

Desired:
  • Experience with React and TypeScript.
  • Familiarity with component libraries and design systems.
  • Experience developing applications in Kubernetes-hosted environments.
  • Understanding of microservice architectures and API-first development.
  • Experience with:
    • ShadCN (Radix UI and Tailwind CSS)
    • Zustand
    • React Query
    • Material UI
  • Experience with Krita or GIMP.
  • Familiarity with DevSecOps practices and CI/CD pipelines.
  • Experience supporting government, defense, engineering, modeling & simulation, or digital engineering environments.
  • Understanding of accessibility requirements (Section 508/WCAG).
  • Experience creating data visualization and dashboard interfaces.

Ready to Make a Difference?
If you're excited about making a significant impact in the field of space defense and working on projects that matter, we encourage you to apply and join our team at KBR. Let's shape the future together.
KBR Benefits
KBR offers a selection of competitive lifestyle benefits which could include 401K plan with company match, medical, dental, vision, life insurance, AD&D, flexible spending account, disability, paid time off, or flexible work schedule. We support career advancement through professional training and development.
Belong, Connect and Grow at KBR
At KBR, we are passionate about our people and our Zero Harm culture. These inform all that we do and are at the heart of our commitment to, and ongoing journey toward being a People First company. That commitment is central to our team of team's philosophy and fosters an environment where everyone can Belong, Connect and Grow. We Deliver - Together.
KBR is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, disability, sex, sexual orientation, gender identity or expression, age, national origin, veteran status, genetic information, union status and/or beliefs, or any other characteristic protected by federal, state, or local law.

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About KBR

Sourced by ZipRecruiter

At KBR, we partner with government and industry clients to provide purposeful and comprehensive solutions with an emphasis on efficiency and safety. With a full portfolio of services, proprietary technologies and expertise, our employees are ready to handle projects and missions from planning and design to sustainability and maintenance. Whether at the bottom of the ocean or in outer space, our clients trust us to deliver the impossible on a daily basis.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Houston, TX, US

Year founded

1998

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