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Sr Frontend Engineer Jobs in Washington (NOW HIRING)

CircleIn

Senior Frontend Engineer

Silver Spring, MD

$126K - $173K/yr

The contribution of a Senior Frontend Engineer: * Take full ownership of building, shipping and maintaining features, end-to-end * Drive the future of CircleIn's Frontend products and design ...

CircleIn

Senior Frontend Engineer

Silver Spring, MD · On-site

$126K - $173K/yr

The contribution of a Senior Frontend Engineer: * Take full ownership of building, shipping and maintaining features, end-to-end * Drive the future of CircleIn's Frontend products and design ...

Data Society

Sr. Frontend Engineer (React)

Washington, DC · On-site

$120 - $160/hr

About the Role The onshore Senior Front-End Engineer leads React UI architecture and build quality for the platform, directing a pod of offshore front-end engineers while remaining hands-on in code ...

System One

Front End Developer

Vienna, VA · On-site

$104K - $121K/yr

Senior Front-End Engineer Location: Hybrid reporting to Vienna or Winchester, VA, Pensacola, FL or San Diego, CA Hours: Monday - Friday, 8:00 AM - 4:30 PM Pay Rate: Open to Both C2C and W2 options ...

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Sr Frontend Engineer information

What is a Sr Frontend engineer?

Sr Frontend Engineers are experienced software developers who specialize in building and optimizing the user-facing parts of web applications. They lead the design and implementation of complex interfaces, ensure performance and accessibility, and often mentor junior engineers. Their role includes working closely with designers, backend developers, and product managers to deliver high-quality, scalable front-end solutions. Typically, they have a deep understanding of modern JavaScript frameworks, web standards, and best practices.

What are the key skills and qualifications needed to thrive as a Sr Frontend engineer?

To thrive as a Sr Frontend Engineer, you need advanced expertise in JavaScript, HTML, CSS, and modern frontend frameworks like React or Angular, typically supported by a degree in computer science or equivalent experience. Familiarity with version control systems (like Git), build tools (Webpack, Babel), and testing frameworks (Jest, Cypress) is standard, and certifications in relevant technologies are a plus. Strong problem-solving abilities, attention to detail, and effective communication help you collaborate with cross-functional teams and mentor junior developers. These technical and interpersonal skills are crucial for delivering robust, maintainable user interfaces that drive business outcomes.

How does a Sr Frontend engineer typically collaborate with backend teams to deliver high-quality user experiences?

As a Sr Frontend Engineer, you’ll frequently work closely with backend developers to define APIs, discuss data requirements, and troubleshoot integration issues. Regular collaboration involves participating in planning meetings, code reviews, and joint debugging sessions to ensure frontend and backend components align seamlessly. This cross-team communication is essential for delivering responsive, efficient, and scalable user interfaces, and it also provides opportunities to influence architectural decisions and improve overall product quality.

What is the difference between Sr Frontend Engineer vs Frontend Developer?

AspectSr Frontend EngineerFrontend Developer
Required CredentialsBachelor's in CS or related field, 5+ years experience, advanced JavaScript frameworksBachelor's in CS or related field, 2-4 years experience, proficiency in HTML, CSS, JavaScript
Work EnvironmentLead projects, mentor junior staff, collaborate with cross-functional teamsImplement UI features, fix bugs, collaborate with designers and backend developers
Employer & Industry UsageTech companies, startups, large enterprisesWeb development agencies, startups, tech firms

The main difference between a Sr Frontend Engineer and a Frontend Developer lies in experience, responsibilities, and leadership. Sr Frontend Engineers typically have more experience, lead projects, and mentor others, while Frontend Developers focus on implementing features and fixing bugs. Both roles require strong JavaScript skills, but the senior role involves more strategic planning and team collaboration.

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

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

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

What cities in Washington are hiring for Sr Frontend Engineer jobs?

Cities in Washington with the most Sr Frontend Engineer job openings:

Sr Frontend Engineer jobs near you
Infographic showing various Sr Frontend 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.

Senior Frontend Engineer

CircleIn

Silver Spring, MD

$126K - $173K/yr

Full-time

Re-posted yesterday

Job description

Company Description
CircleIn
We're breaking down the barriers that have traditionally dictated a child's odds of success.
The internet can be used for more than watching videos, sharing photos or ordering food. We're inventing the right use cases to enable all students everywhere to study over the web, creating a multi-generational change that the world desperately needs.
We win, by helping students win in the infinite game of life.
Make Magic
When two or more are gathered together, something magical happens. That doesn't just describe our team, but magic happens when we bring students closer together.
Create Massive Impact
We're solving a massive 1 billion person problem.
In the greatest country in the world, 9% of students from the lowest income quartile finish college compared to 77% for the rich. This means the wind that is blowing the cycle of poverty, continues to turn it faster and faster.
Yes, we are beginning in the United States. However, students born all over the world, in every village, slum, and region where there is a shortage of teachers and resources, any place or space where there is a child born unlucky, CircleIn will be at their fingertips.
This is where your work can align with your values. Where you can do something truly meaningful, and it doesn't feel like work.
Contribute to a just cause.
Job Description
The contribution of a Senior Frontend Engineer:
  • Take full ownership of building, shipping and maintaining features, end-to-end
  • Drive the future of CircleIn's Frontend products and design + develop a world class user experience across all products
  • Build efficient and reusable front-end systems
  • Help estimate, plan and execute on projects, features, and integrations
  • Develop and utilize your skills as a mentor and leader

Qualifications
  • Experience: 4+ years engineering experience
  • Expertise: React.js, Javascript, CSS
  • Extraordinary: You have a track record of excelling in whatever you pursue (whether it's work, school, competitions, personal projects, etc)

Additional Information
All your information will be kept confidential according to EEO guidelines.

Apply