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Interface Engineer Jobs in Washington (NOW HIRING)

Core Interface

UI Angular/React Engineer

Chantilly, VA · On-site

$106K - $142K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

UI Angular/React Engineer - TS/SCI with Polygraph Required About the Team At Core Interface, we believe great software is built by small teams of thoughtful engineers working on meaningful problems.

USM

AVA UI Developer

Alexandria, VA

$53.50 - $69.50/hr

JAVA UI Developer Location: Alexandria VA Duration: 3- 6 Months GC and Citizens Only Java UI Developer 2 yrs of demonstrated experience with Angular.js 5 -6 yrs overall software development w/BS ...

SolveIT Services Inc

UI Developer

Washington, DC · On-site

$56.50 - $73.50/hr

Seeking a UI Developer to support a large public-sector transportation and infrastructure organization in the Washington, DC area. This position will drive UI development initiatives, enhance digital ...

INENT INC

UI DEveloper

Herndon, VA · On-site

$51.50 - $66.75/hr

UI Developer Herndon, VA Full time Candidate with around 8 years of experience in the following areas: The candidate should have good analytical /communication skills, will work directly with ...

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Showing results 21-40

All JobsInterface Engineer JobsInterface Engineer Jobs in Washington

Interface Engineer information

See Washington salary details

$44.2K

$115.2K

$155.7K

How much do interface engineer jobs pay per year?

As of Aug 19, 2026, the average yearly pay for interface engineer in Washington is $115,244.00, according to ZipRecruiter salary data. Most workers in this role earn between $95,100.00 and $131,900.00 per year, depending on experience, location, and employer.

What is an interface engineer?

Interface Engineers are professionals who design, develop, and maintain the points of interaction between different software systems, applications, or components. They ensure that data and functionality flow smoothly and securely between systems, often working with APIs, middleware, and integration tools. Their work is crucial for enabling interoperability, improving user experience, and supporting business processes that rely on connected technologies.

How do interface engineers typically collaborate with UX/UI designers and backend developers in a project setting?

Interface Engineers play a crucial role in bridging the gap between design and backend development. They often work closely with UX/UI designers to translate visual concepts and user flows into interactive, responsive interfaces. At the same time, they coordinate with backend developers to ensure seamless integration of frontend elements with server-side logic, APIs, and data sources. Regular communication, agile sprints, and collaborative tools are commonly used to align efforts, resolve technical challenges, and deliver a cohesive user experience.

What are the key skills and qualifications needed to thrive as an interface engineer, and why are they important?

To thrive as an Interface Engineer, you need a strong background in computer science, user interface (UI) design, and experience with front-end development languages such as HTML, CSS, and JavaScript. Familiarity with frameworks like React or Angular, API integration, and version control systems (e.g., Git) is typically required, along with relevant certifications in web development or UI/UX design. Strong problem-solving abilities, collaboration, and clear communication help you understand user needs and work effectively with cross-functional teams. These skills ensure seamless, user-friendly digital experiences and efficient integration between systems, which are crucial for project success.

What is the difference between Interface Engineer vs Software Developer?

AspectInterface Engineer
Primary FocusDesigning and developing user interfaces and front-end components
Skills & CertificationsUI/UX design, HTML, CSS, JavaScript, front-end frameworks
Work EnvironmentCollaborates with designers, back-end developers, and product teams
Industry UsageWeb and app development companies, tech firms

While both roles involve software development, Interface Engineers specialize in creating user interfaces and enhancing user experience, whereas Software Developers may work on a broader range of software applications, including back-end systems. The roles often overlap, but Interface Engineers focus more on front-end design and usability.

How much does an interface engineer make?

The average salary for an interface engineer typically ranges from $70,000 to $120,000 annually, depending on experience, location, and industry. Skilled professionals with expertise in UI/UX design, front-end development, and relevant tools like HTML, CSS, and JavaScript tend to earn higher salaries.

What are popular job titles related to Interface Engineer jobs in Washington?

For Interface Engineer jobs in Washington, the most frequently searched job titles are:

What job categories do people searching Interface Engineer jobs in Washington look for?

The top searched job categories for Interface Engineer jobs in Washington are:

Interface Engineer jobs near you
Infographic showing various Interface Engineer job openings in Washington as of August 2026, with employment types broken down into 88% Full Time, 2% Part Time, 2% Temporary, and 8% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution, with an average salary of $115,244 per year, or $55.4 per hour.

Mid-Level Angular UI Engineer [$291k/yr+] TS/SCI-FS Poly with Security Clearance

SYSTOLIC

Annapolis Junction, MD • On-site

$291K/yr

Other

Posted 24 days ago

Job description

Candidates must already possess an active Top Secret/SCI w/ Full Scope Polygraph to be considered. Summary: • Develop, design, and support user interfaces within an enterprise workflow platform. • Participate in UI/UX analysis and prototyping to maximize usability. • Interface with RESTful back-end APIs to deliver cohesive software solutions. Qualifications & Compensation: • Degree: Technical bachelor's degree or equivalent experience • Years of experience: 12+ years • Total Compensation: $291k+ yearly (tentative) Job Description: • Collaborate with systems, software, and other User Interface developers to design, develop, release, and support User Interfaces for multiple feature sets deployed within an enterprise workflow platform. • Implement User Interfaces using Angular 20 and Pega Constellation UI components to optimize the end-user experience. • Translate customer requirements into functional, performant, and appealing User Interfaces. • Participate in User Experience (UX) analysis, design, and prototyping to maximize usability of developed User Interfaces. • Utilize key skills including Angular2, HTML/CSS, Restful Web Services, UI/UX Design, and Software Development. Telework: This position supports a hybrid telework arrangement, requiring three days per week in the office. About SYSTOLIC: SYSTOLIC is dedicated to giving our employees the best possible company experience so that they can focus on providing outstanding support to their customer’s mission. Our company is founded on integrity, enthusiasm, and a relentless commitment to supporting the Intelligence Community. You can learn more about us and submit an application to be considered against our current and future openings at https://systolic.com. To learn about our compensation ranges, visit our Pay Transparency page at: https://systolic.com/pay-transparency

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