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Senior Javascript Engineer Jobs in Washington (NOW HIRING)

Toyon

Senior Software Engineer

Ashburn, VA

$130K - $190K/yr

This position is an opportunity to work on a software engineering team with senior staff members ... Object-oriented software development in C++, C#, Java, JavaScript, Python and/or other (React and ...

Geico

Senior Engineer

Bethesda, MD · On-site

$100K - $215K/yr

... As a Senior Engineer, you will: * Design and Develop Systems: Architect, develop ... Strong front-end development skills, including HTML5, CSS3, JavaScript (ES6+), and ReactJS with ...

Scadea

Sr. React Engineer

Bethesda, MD

$139K - $173K/yr

Job Title: Sr. React Engineer Location: Bethesda, MD - 4 days a week onsite Length: 10-12 months ... Excellent knowledge of hand-coded HTML5, CSS3, JavaScript, and the DOM Knowledge of JavaScript ...

Amatriot Group, LLC

Senior Software Engineer

Sterling, VA · On-site +1

$185K - $225K/yr

Work with senior developers and the program architect to improve application performance ... Familiarity with modern JavaScript frameworks and libraries such as Angular, Ember, React, Redux ...

Interon IT Solutions

Senior UI engineer

Rockville, MD · On-site

$132K - $165K/yr

Senior UI Engineer Location-Rockville,MD or Mclean,VA Focus: Front End Overview Our client is ... Strong programming skills in TypeScript, JavaScript, and familiarity with backend technologies for ...

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Senior Javascript Engineer information

See Washington salary details

$141.6K

$189.8K

$216.3K

How much do senior javascript engineer jobs pay per year?

As of Aug 11, 2026, the average yearly pay for senior javascript engineer in Washington is $189,801.00, according to ZipRecruiter salary data. Most workers in this role earn between $176,700.00 and $204,400.00 per year, depending on experience, location, and employer.

What does a senior JavaScript engineer do?

A Senior JavaScript Engineer is responsible for designing, developing, and maintaining complex web applications using JavaScript and related technologies. They often lead development teams, make architectural decisions, and ensure best coding practices are followed. In addition to writing code, they may mentor junior developers, review code for quality, and collaborate with cross-functional teams to deliver high-quality software solutions.

What are some common challenges faced by senior JavaScript engineers when leading projects with cross-functional teams?

Senior JavaScript Engineers often encounter challenges such as aligning frontend and backend development timelines, ensuring code quality across distributed teams, and effectively communicating complex technical concepts to non-technical stakeholders. Managing dependencies between various team members and integrating new technologies or frameworks can also present difficulties. Successful engineers overcome these challenges by fostering clear communication, implementing robust documentation, and promoting collaborative problem-solving within agile workflows.

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

To thrive as a Senior Javascript Engineer, you need deep expertise in JavaScript, modern front-end frameworks (like React or Angular), and a solid grasp of software engineering principles, typically supported by a degree in computer science or equivalent experience. Familiarity with build tools (Webpack, Babel), version control systems (Git), and automated testing frameworks is crucial for efficient development. Strong problem-solving skills, effective communication, and leadership abilities help you mentor team members and collaborate on complex projects. These skills are vital for delivering high-quality, scalable applications and driving innovation within development teams.
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What cities in Washington are hiring for Senior Javascript Engineer jobs? Cities in Washington with the most Senior Javascript Engineer job openings:
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Senior Javascript Engineer jobs near you
Infographic showing various Senior Javascript Engineer job openings in Washington as of August 2026, with employment types broken down into 89% Full Time, 6% Part Time, and 5% Contract. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution, with an average salary of $189,801 per year, or $91.3 per hour.

Senior Software Engineer

Toyon

Ashburn, VA

$130K - $190K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 22 days ago

Job description

Description

U.S. Citizenship Required. Ability to qualify for a US Department of Defense security clearance required.


This position is in-person (non-remote).


Toyon is seeking individuals capable of developing object-oriented software in C++, C#, Java, JavaScript and/or Python. The experienced software engineer will design, develop, test, and perform analysis in a highly technical environment. This position is an opportunity to work on a software engineering team with senior staff members guiding the development of mission-critical planning and decision-support systems for government customers. Motivation and a drive to implement robust software with intuitive user interfaces is required. Qualified candidates will have demonstrated software engineering capabilities and success working in a collaborative environment with configuration management and version control tools.


Qualified candidates will also have experience performing project management work and support, including tracking and confirming technical performance, monitoring budgets, writing status reports and briefings for customer review.

Requirements

Candidates with at least 7 years of relevant professional experience and a Bachelor's or advanced degree in computer science or engineering are encouraged to apply.


The ideal candidate will have the following experience, skills and ambition:

  • Excellent thinking and problem-solving skills
  • Ability to work with others to conceptualize and collaboratively solve problems
  • Object-oriented software development in C++, C#, Java, JavaScript, Python and/or other (React and/or TypeScript a plus)
  • Experience designing, developing, and performing analysis with database management systems, geographic Information systems, and/or other (DBMS, SQL, GIS such as ArcGIS, etc.)
  • Understanding of software and systems engineering for multi-machine deployments
  • At least 1 year of project management experience 
  • Ability to configure and maintain virtual machines and host servers

Preferred:

  • Strong math skills, particularly for implementation of optimization and search methods
  • Experience with coding and testing numerical methods
  • Existing TS Clearance with SCI eligibility

WE OFFER AN EXCEPTIONAL EMPLOYEE BENEFITS PACKAGE!

  • Competitive Industry Pay
  • 100% Employer-Paid Medical Insurance Premium
  • HSA with Employer Contributions
  • Dental and Vision Coverage Options
  • Paid Holidays
  • Paid Vacation and Sick leave
  • Company Funded 401(k) and Profit Sharing Plans
  • Employee Stock Ownership Plan (ESOP)
  • Life and Disability Insurance  
  • Paid Parental Leave
  • Discretionary Bonus Eligibility

The annual pay range for the Senior Software Engineer position is $130,000 to $190,000.


The posted pay range values provide the candidate with guidance on annual base compensation for the position, at a full time level of effort, exclusive of overtime, bonus, and benefits-related compensation, over a range of qualifications that may fit hiring objectives. Toyon Research Corporation will consider the individual candidate's education, work experience, applicable knowledge, skills and training, among other factors, when preparing an offer of employment.


Equal Opportunity Employer including Disability and Veterans


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Learn more about our company in our latest video, We are Toyon.


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