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Sr Frontend Engineer Jobs in Washington (NOW HIRING)

Chenega Corporation

Senior Front End Developer

Vienna, VA · On-site

$115K - $151K/yr

Summary Senior Front End Developer Vienna, VA Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Are you looking for a career where professional ...

Chenega MIOS SBU

Senior Front End Developer

Vienna, VA · On-site

$115K - $151K/yr

The Senior Front End Developer will develop visualization software to understand data where proximity and location matter, helping to create location-aware software applications that enable real ...

Chenega MIOS

Senior Front End Developer

Vienna, VA · On-site

$115K - $151K/yr

Req ID: 40541 Summary Senior Front End Developer Vienna, VA Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Are you looking for a career where ...

BTree Solutions, Inc.

SR. FRONTEND DEVELOPER

Mclean, VA · On-site

$116K - $153K/yr

Client seeking a Senior Software Engineer with a frontend focus to join our Engineering team. In this role, you will build modern, scalable user interfaces-primarily in React (preferred) and Angular ...

INSPYR Solutions

Front End Engineer

Vienna, VA · On-site

Overview We are seeking a Senior Front-End Engineer with deep expertise in Angular 17+, modern web technologies, and enterprise-scale UI development. The ideal candidate combines strong technical ...

Lyteforge Technologies LLC

Frontend Developer

Mclean, VA · On-site

$130K/yr

* Senior Frontend JavaScript Developer Our organization is a unique software development company based in McLean, Virginia, dedicated to providing top-tier solutions to defend the United States and its ...

TIAG

Senior Front-End Developer

Arlington, VA · On-site

$132K - $173K/yr

Senior Front End Developer responsibilities will include: Front-End Development (Angular) * Develop and maintain web applications using Angular (versions 2 and above), ensuring responsive and high ...

New

Steampunk

Senior Front End Developer

Mclean, VA · On-site

$100K - $185K/yr

Overview As a Senior Front-End Developer , you will collaborate with designers, product owners, and back-end developers to deliver intuitive, high-performance, and accessible web applications. We are ...

Steampunk

Senior Front End Developer

Mclean, VA · On-site

$100K - $185K/yr

Overview As a Senior Front-End Developer , you will collaborate with designers, product owners, and back-end developers to deliver intuitive, high-performance, and accessible web applications. We are ...

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Showing results 21-40

All JobsSr Frontend Engineer JobsSr Frontend Engineer Jobs in Washington

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.

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

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 Developer

Pharos Solutions GmbH

Alexandria, VA • On-site

$120 - $160/hr

Other

Posted 16 days ago

Job description

Pharos Solutions in its Alexandria branch is looking for a \"Senior Frontend Developer\" with the following requirements

Must have:
  • BSc/MSc in Computer Engineering or equivalent.
  • 5+ years of relevant work experience as front-end developer.
  • Advanced mastery of modern JavaScript (ES6+), TypeScript, and semantic HTML5 / modern CSS (including Tailwind CSS, CSS Modules, or Styled Components).
  • Deep, hands-on production experience with a modern component-based framework—primarily React, Vue.js, or Angular, along with modern meta-frameworks like Next.js, or Nuxt.
  • Extensive experience with state management libraries (e.g., Redux Toolkit, Zustand, Pinia) and efficient async data-fetching (e.g., TanStack Query, GraphQL/Apollo client).
  • Proficient in writing automated tests using frameworks like Jest, React Testing Library, Cypress, or Playwright.
  • Strong familiarity with modern frontend build pipelines and tooling (e.g., Vite, Webpack, Turborepo, CI/CD integrations).
  • A knack for benchmarking and optimization.
  • Attention to details.
  • Experience with SignalR (or websocket e.g. socket.io).
  • Experience with Docker.
  • Familiarity with Kafka/service bus..
  • Fluency in English (German is a plus).
Job Responsibilities and Duties:
  • Architecture & State Management: Define and scale client-side architecture, managing complex global states and clean data fetching strategies.
  • UI/UX Implementation: Translate high-fidelity designs into clean, responsive, and cross-browser compatible web experiences.
  • Performance Engineering: Optimize web applications for maximum speed, scalability, and optimal Core Web Vitals (e.g., LCP, CLS, INP).
  • Component System Ownership: Build and maintain scalable, reusable UI component systems or design tokens to ensure visual consistency across applications.
  • Mentorship & Standards: Advocate for modern frontend best practices, direct code quality via reviews, and establish robust testing strategies (unit, integration, and E2E).
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