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Interface Engineer Jobs in Washington (NOW HIRING)

Redhorse Corporation

UI Developer

Chantilly, VA · On-site

$51.75 - $67.25/hr

They are seeking a skilled UI Developer to design and build intuitive user interfaces for a next-generation web application that will streamline and automate manual business workflows.

Redhorse Corporation

UI Developer

Chantilly, VA · On-site

$51.75 - $67.25/hr

They are seeking a skilled UI Developer to design and build intuitive user interfaces for a next-generation web application that will improve efficiency and data management for public sector clients.

TekWissen

UI Developer

Fairfax, VA · On-site

$51 - $66.50/hr

Combining applications, platforms, infrastructure, knowledge processes, and domain expertise allows us to deliver greater efficiencies and innovative business capabilities. UI Developer: No of ...

USM

Locals Only Urgent Need UI Developer

Washington, DC

$56.75 - $73.50/hr

Position title: UI Developer Location: Washington, DC (Locals or Nearby) Phone and in person interview required Job Responsibilities: Research capability for new technologies and hands on POC on new ...

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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 18, 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.

Team Leader/Senior Mechanical Design Engineer (MEP)

Interface Engineering

Washington, DC • On-site

$114K - $159K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 8 days ago

Job description

Join a People-First, Employee-Owned Firm That's Redefining Flexibility and Growth
Project Manager/Senior Mechanical Design Engineer (MEP) - National Capital Region (NCR)
Interface Engineering Inc.
(Relocation will be offered for highly qualified candidates.)
At Interface Engineering, we believe your career should be as dynamic and rewarding as the projects you support. As a 100% employee-owned firm, we're proud to offer our Collaboration from Home policy-giving you the flexibility of a hybrid schedule with 3 days in-office per week minimum (Tuesday, Wednesday, Thursday) while staying connected to a team that values innovation, inclusion, and impact.
Why Interface?
We're not just engineers-we're collaborators, mentors, and trailblazers in high-performance design. Our Pathway to Leadership program offers a transparent, personalized roadmap for career advancement, empowering you to grow in the direction that excites you most.
Our Culture
Interface has the company culture and work environment you have been seeking! You'll find a workplace with a culture of fun, superior work/life balance benefits, expansive personal development opportunities, cutting-edge technology, and great relationships. You'll work alongside MEP industry leaders who will help you develop your own thriving career path. Our work takes us around the globe and on a steady growth curve. Our success and innovation are powered by people like you!
Our Core Values:
Our core values capture the essence of who we are. We live and breathe them, and they inform everything we do. We are:
  • Conscientious.
  • Empowered.
  • Respectful.
  • Resilient.
  • Transformative.

Our Work
Interface Engineering firm is a national firm with 12 offices across the USA, working on both domestic and international commissioning. Projects include Hospitals, Laboratories, Higher Education, Embassies, Corporate Headquarters, Multi-Family Residential, K-12, Senior Living, Civic, Cultural, Hospitality, Retail, and Master Planning.
Key Responsibilities:
As a Project Manager/Senior Mechanical Design Engineer at Interface, you will be taking ownership as a project manager on multiple projects and play an essential role in the consulting, coordination, and completion of mechanical, electrical, and plumbing (MEP) systems design. This position involves overseeing the planning and design of MEP systems to ensure they meet project specifications, budgets, building codes, and deadlines. Your duties will include (but may not be limited to):
1. Project planning and design:
  • Collaborate with architects, owners, and other engineers to develop project plans, including scope, budget, and timeline.
  • Conduct feasibility studies and site assessments to identify potential risks and limitations.
  • Assists in the design of our projects, ensuring compliance with industry standards and best practices.

2. Project Implementation and Management:
  • Coordinate with internal and external stakeholders to ensure timely completion of project milestones.
  • Monitor and track project progress, identify and mitigate any issues or risks that may arise.
  • Conduct regular site inspections to ensure construction activities comply with project plans and quality standards.

3. Quality Assurance and Documentation:
  • Develop and implement quality assurance processes to ensure project specifications are met.
  • Conduct regular inspections and audits to verify compliance with industry standards and best practices.
  • Prepare and maintain project documents, including progress reports and meeting notes.
  • Collaborate with project team to complete post-construction reviews and lessons learned.

4. Team Leadership and Collaboration:
  • Provide guidance and technical support to multi-discipline project teams.
  • Foster a collaborative and inclusive work environment by promoting effective communication and knowledge sharing.
  • Mentor and develop junior engineers, promoting their career growth and success.
  • Serves as a subject matter expert, providing technical expertise and guidance during project meetings and presentations.

What You'll Bring:
Required
  • Licensed Professional Engineer
  • Bachelor's degree in engineering or related field, preferably mechanical engineering or building services.
  • 10+ years of proven experience in MEP design consulting.
  • Advanced knowledge of building industry codes and standards.
  • Good problem solving and decision-making skills.
  • Attention to detail, and the ability to manage multiple projects simultaneously.

Preferred
  • LEED® Accreditation
  • Working Autodesk® REVIT knowledge

What You'll Love:
  • Competitive Pay: $114,951 to $159,339 annual salary and conditional bonus
  • Employee Ownership: Build equity through our Employee Stock Ownership Plan (ESOP)
  • Robust Benefits: 401(k), medical, dental, vision, life & disability insurance, transportation benefits...and more!
  • Generous Time Off: PTO, paid holidays, and company closure to clients from Christmas to New Year's
  • Purpose-Driven Culture: Paid volunteer time and a commitment to social equity
  • Career Development: Work alongside industry leaders and access continuous learning opportunities

Ready to grow with us?
If you're looking for a role where your voice matters, your growth is supported, and your work makes a difference-apply today and become part of the Interface Engineering family.
Social Equity:
Interface is committed to social equity within our walls and in our communities. We are a diverse, inclusive, and responsible firm. Interface provides equal employment opportunities (EEO) to employees and applicants regardless of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status or any other applicable federal or state-protected classifications. We support local business and seek to partner with small and minority-owned firms on our projects. Our staff is empowered to design community service programs (e.g., clean up beaches, serve meals at shelters, tutor school-aged children, etc.) - using paid volunteer time.
Note: H1-B visa sponsorship or transfer is not approved for this position.
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Pay Range: $114,951 - $159,339 per year

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