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Senior Javascript Developer Jobs in Ashburn, VA (NOW HIRING)

BTree Solutions, Inc.

SR. FRONTEND DEVELOPER

Mclean, VA · On-site

$116K - $153K/yr

Job Title: SR. FRONTEND DEVELOPER Location: Mclean,VA Duration: 12+ Months Visa: USC, GC, H1B and ... Hands-on experience with modern JavaScript frameworks such as React or Angular. * Solid ...

Hathiant

Senior Developer

Herndon, VA · Remote

$55.75 - $73.75/hr

Sr Forms Developer Location: Remote Job: Sr. Developer Schedule: Full-time Shift: Day Job ... Proficiency in Java, J2EE, JavaScript, TypeScript, Python, PHP, PERL, SQL, HQL, NodeJS, ExpressJS ...

System One

Senior Vantage Developer

Arlington, VA · On-site

$62.75 - $82.75/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Senior Army Vantage Developer / Technical Lead Location: Arlington, VA / Pentagon Work Arrangement ... Build custom front-end components and advanced data visualizations using React, JavaScript ...

System One

Senior Vantage Developer

Arlington, VA · On-site

$62.75 - $82.75/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Senior Army Vantage Developer / Technical Lead Location: Arlington, VA / Pentagon Work Arrangement ... Build custom front-end components and advanced data visualizations using React, JavaScript ...

System One

Senior Vantage Developer

Arlington, VA · On-site

$62.75 - $82.75/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Senior Army Vantage Developer / Technical Lead Location: Arlington, VA / Pentagon Work Arrangement ... Build custom front-end components and advanced data visualizations using React, JavaScript ...

System One

Senior Vantage Developer

Arlington, VA · On-site

$62.75 - $82.75/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Senior Army Vantage Developer / Technical Lead Location: Arlington, VA / Pentagon Work Arrangement ... Build custom front-end components and advanced data visualizations using React, JavaScript ...

TIAG

Senior Front End Developer

Reston, VA · Remote

$119K - $157K/yr

TIAG is now hiring a Senior Front End Software Developer to join our team in support of an exciting ... Upgrade older JavaScript libraries and architecture to modern frameworks. * Write and implement ...

Next Step Systems

Senior Full Stack Developer

Washington, DC · On-site

  • Medical

  • Retirement

  • PTO

Washington DC Jobs, Senior Full Stack Developer, .Net, C#, Web API, Rest, Entity Framework, Angular, React, Cloud, Azure, AWS, Google, HTML5, CSS3, JavaScript, Software Engineer, Software Development ...

BTree Solutions, Inc.

SR. SERVICENOW DEVELOPER

Mclean, VA · On-site

$55 - $75.50/hr

W2 Senior Developer will be part of the Enterprise Risk Management Technologies Team and will be ... Certified ServiceNow Application Developer for 3+ years * 4+ years' experience in JavaScript, Ajax ...

Navtech, Inc.

Senior UI Developer

Mclean, VA · On-site

$61 - $79/hr

I have an opportunity for a " Senior UI Developer " - ( McLean, VA - Hybrid Need Local Candidates ... JavaScript, HTML and CSS. * Experience integrating with third-party/external APIs. * Hands on ...

kgs

Senior Web Application Developer

Washington, DC · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

The Senior Web Application Developer will design, develop, and maintain advanced solutions using ... Experience with modern JavaScript frameworks, such as React, Angular, or Vue, and Node.js.

kgs

Senior Web Application Developer

Washington, DC · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

The Senior Web Application Developer will design, develop, and maintain advanced solutions using ... Experience with modern JavaScript frameworks, such as React, Angular, or Vue, and Node.js.

Ask IT Consulting

Sr Web Developer

Mclean, VA

Title: Sr. Web Developer Location: McLean VA Duration: Full Time Description of specific Duties in ... javascript, jquery, kendoui etc * Demonstrated experience developing using Oracle technologies

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All JobsJavascript Developer JobsSenior Javascript Developer JobsSenior Javascript Developer Jobs in Ashburn, VA

Senior Javascript Developer information

See Ashburn, VA salary details

$31

$61

$81

How much do senior javascript developer jobs pay per hour?

As of Aug 17, 2026, the average hourly pay for senior javascript developer in Ashburn, VA is $61.77, according to ZipRecruiter salary data. Most workers in this role earn between $55.29 and $70.29 per hour, depending on experience, location, and employer.

What is a senior JavaScript developer?

A Senior JavaScript Developer is a highly experienced programmer specializing in JavaScript, including frameworks like React, Angular, or Node.js. They are responsible for designing, developing, and optimizing web applications, ensuring high performance and maintainability. Additionally, they provide technical leadership, mentor junior developers, and collaborate with cross-functional teams to deliver scalable solutions. Strong problem-solving skills, deep knowledge of JavaScript best practices, and experience with modern development tools are essential for this role.

What are the key skills and qualifications needed to thrive as a senior JavaScript developer?

To thrive as a Senior Javascript Developer, a strong command of JavaScript (including ES6+), advanced front-end frameworks (like React, Angular, or Vue), and back-end technologies (such as Node.js) are essential, along with several years of professional coding experience. Familiarity with version control systems (like Git), CI/CD pipelines, and relevant certifications (e.g., AWS Certified Developer or JavaScript certifications) is highly valued. Excellent problem-solving abilities, mentorship skills, and effective communication help developers collaborate and lead within cross-functional teams. These skills enable Senior Javascript Developers to build robust applications, guide junior team members, and drive innovation in fast-paced tech environments.

What are typical challenges faced by senior JavaScript developers in day-to-day work?

Senior Javascript Developers often encounter complex challenges such as optimizing web application performance, ensuring code scalability and maintainability, and integrating with diverse APIs and services. They are also expected to troubleshoot legacy code and address security vulnerabilities, all while keeping up with the rapidly evolving JavaScript ecosystem. Collaborating with designers, product managers, and junior developers can add layers of complexity to project requirements. However, overcoming these challenges is rewarding and provides opportunities to shape technical strategy and influence best practices within the team.

What are the most commonly searched types of Javascript Developer jobs in Ashburn, VA?

The most popular types of Javascript Developer jobs in Ashburn, VA are:

What are popular job titles related to Senior Javascript Developer jobs in Ashburn, VA?

For Senior Javascript Developer jobs in Ashburn, VA, the most frequently searched job titles are:

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What cities near Ashburn, VA are hiring for Senior Javascript Developer jobs?

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Senior Javascript Developer jobs near you
Infographic showing various Senior Javascript Developer job openings in Ashburn, VA as of August 2026, with employment types broken down into 78% Full Time, 8% Part Time, and 14% Contract. Highlights an 77% Physical, 6% Hybrid, and 17% Remote job distribution, with an average salary of $128,482 per year, or $61.8 per hour.

SR. FRONTEND DEVELOPER

BTree Solutions, Inc.

Mclean, VA • On-site

$116K - $153K/yr

Contractor

Re-posted 29 days ago

Job description

Job Title: SR. FRONTEND DEVELOPER
Location: Mclean,VA
Duration: 12+ Months
Visa: USC, GC, H1B and EAD
Contract Type: W2
Must Have Qualifications: Candidate must have 7-10 years of experience with React OR
Angular. Experience translating development to UI, API understanding, and AI/ML exposure.
JOB DESCRIPTION
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-delivering exceptional user experiences in production. You will be responsible for designing and developing UI applications that support and showcase GenAI-driven capabilities, ensuring that the user experience is aligned with the unique requirements and opportunities presented by GenAI solutions.
Key Responsibilities
  • Develop Front-end Features: Design, develop, and implement user interfaces and
  • client-side logic using TypeScript with React or Angular.
  • API Integration: Integrate front-end applications with backend services (built with Python/FastAPI) and data sources (Snowflake), ensuring seamless data flow and functionality.
  • Translate Requirements to UI: Convert product requirements, wireframes, and user stories into functional, responsive, and accessible web components. Implement UIs based on these inputs.
  • Testing & Quality Assurance: Write comprehensive unit and integration tests for front-end code, ensuring code quality, performance, and reliability.
  • Collaborate & Innovate: Work closely with product managers and backend engineers, contributing to technical discussions and problem-solving to deliver polished user experiences. Tech Stack Proficiency Strong command of TypeScript.
  • Hands-on experience with modern JavaScript frameworks such as React or Angular.
  • Solid understanding of API integration (REST) and consuming backend services.
  • Experience with front-end testing frameworks, including Playwright (end-to-end testing), Cypress (end-to-end and integration testing), Jest (unit and integration testing), and Testing Library (React Testing Library, Angular Testing Library, etc. for component testing).
  • Experience using Figma for UI/UX design interpretation and implementation.

Required Skills
  • Deep expertise in React (preferred) and Angular, including modern patterns, state
  • management, and component architecture.
  • Strong proficiency in TypeScript and JavaScript.
  • Extensive experience building and maintaining complex, production-grade web applications at scale.
  • Proven ability to make sound tradeoffs between performance, maintainability, and delivery speed.
  • Experience implementing frontend technical direction, standards, and best practices. Ability to architect, debug, and ship high-quality UI solutions.
  • Strong communication skills-you can align engineers, designers, and stakeholders around a technical approach.
  • Experience using Figma for UI/UX design interpretation and implementation. Plus Skills Experience with Python for backend development or AI integration.
  • GenAI skills: familiarity with GenAI APIs, prompt engineering, or building GenAI- powered UI features.
  • Experience building and scaling design systems or shared component libraries.
  • Deep knowledge of frontend performance optimization, accessibility (WCAG), and responsive design.
  • Experience with modern build tools, CI/CD pipelines, and frontend testing frameworks (Jest, Cypress, Playwright, Testing Library).
  • Excellent product instincts-partnering with product and design to shape what gets built, not just how.
  • Ability to take a loosely defined business problem and drive it to a well-scoped technical solution.
  • Track record of raising the bar for frontend engineering quality across a team (testing practices, observability, code review standards).
  • Experience with AWS or similar cloud platforms for frontend hosting and delivery (CloudFront, S3, etc.). Security engineering experience.
  • Fintech or mortgage industry experience.
  • Experience working in large-scale enterprise environments.

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