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Javascript Engineer Jobs in Washington, DC (NOW HIRING)

FLEX Senior Software Engineer

Bethesda, MD

$130.80K - $172.40K/yr

We are seeking a highly engaged and motivated JavaScript Engineer who is passionate about continuously improving their skills and learning new technologies. The ideal candidate will have a strong ...

FLEX Senior Software Engineer

Bethesda, MD

$130.80K - $172.40K/yr

We are seeking a highly engaged and motivated JavaScript Engineer who is passionate about continuously improving their skills and learning new technologies. The ideal candidate will have a strong ...

Deep knowledge of JavaScript syntax, DOM manipulation, event handling, asynchronous programming with promises and async/await, ES6+ features, closures, prototypal inheritance, fetch API, and popular ...

Deep knowledge of JavaScript syntax, DOM manipulation, event handling, asynchronous programming with promises and async/await, ES6+ features, closures, prototypal inheritance, fetch API, and popular ...

Deep knowledge of JavaScript syntax, DOM manipulation, event handling, asynchronous programming with promises and async/await, ES6+ features, closures, prototypal inheritance, fetch API, and popular ...

Deep knowledge of JavaScript syntax, DOM manipulation, event handling, asynchronous programming with promises and async/await, ES6+ features, closures, prototypal inheritance, fetch API, and popular ...

Deep knowledge of JavaScript syntax, DOM manipulation, event handling, asynchronous programming with promises and async/await, ES6+ features, closures, prototypal inheritance, fetch API, and popular ...

Deep knowledge of JavaScript syntax, DOM manipulation, event handling, asynchronous programming with promises and async/await, ES6+ features, closures, prototypal inheritance, fetch API, and popular ...

Deep knowledge of JavaScript syntax, DOM manipulation, event handling, asynchronous programming with promises and async/await, ES6+ features, closures, prototypal inheritance, fetch API, and popular ...

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Showing results 1-20

Javascript Engineer information

See Washington, DC salary details

$115.5K

$153.5K

$178.9K

How much do javascript engineer jobs pay per year?

As of May 29, 2026, the average yearly pay for javascript engineer in Washington, DC is $153,492.00, according to ZipRecruiter salary data. Most workers in this role earn between $142,100.00 and $168,200.00 per year, depending on experience, location, and employer.

What Does a Javascript Engineer Do?

As a JavaScript engineer, you develop, improve, and otherwise work with JavaScript software and applications that focus on businesses and individuals. Your duties in this career include writing JavaScript code to produce new functions for computer software and applications, fixing corrupt code that causes website or software malfunctions, and collaborating with other team members with development responsibilities to ensure that coding and programs work together seamlessly. JavaScript engineers need an excellent command of JavaScript language, experience working with computers, and familiarity with other coding languages that coincide with your exact position, such as HTML and CSS if you primarily work with websites.

What are the key skills and qualifications needed to thrive as a JavaScript Engineer, and why are they important?

To thrive as a JavaScript Engineer, you need strong proficiency in JavaScript, a good understanding of web development fundamentals, and typically a degree in computer science or related experience. Familiarity with frameworks like React or Angular, version control systems like Git, and tools such as Node.js and npm is essential. Excellent problem-solving abilities, teamwork, and effective communication help you deliver robust solutions and collaborate efficiently. These skills and qualities are crucial for building scalable applications and adapting to evolving technology demands.

What are some common challenges a JavaScript Engineer faces when working on large-scale applications?

One common challenge for JavaScript Engineers working on large-scale applications is maintaining code quality and consistency as the codebase grows. Managing dependencies, ensuring efficient performance, and coordinating with other team members to avoid merge conflicts are daily concerns. Engineers regularly use tools like linters, testing frameworks, and modular architectures (such as micro frontends) to address these issues. Collaboration with backend developers, product managers, and UX designers is also essential to ensure seamless integration and user experience.

What is the difference between Javascript Engineer vs Front-End Developer?

AspectJavascript EngineerFront-End Developer
Primary FocusDeveloping complex JavaScript applications, optimizing performance, and implementing advanced featuresBuilding and maintaining user interfaces, focusing on design and user experience
Skills & CertificationsJavaScript, frameworks (React, Angular), problem-solving, sometimes backend knowledgeHTML, CSS, JavaScript, UI/UX design, responsive design
Work EnvironmentTech companies, startups, roles involving full-stack or backend integrationWeb development agencies, tech firms, roles focused on UI/UX

While both roles require JavaScript expertise, Javascript Engineers typically focus on building complex applications and optimizing performance, whereas Front-End Developers concentrate on creating engaging user interfaces and ensuring a seamless user experience. The roles often overlap, but the Javascript Engineer's scope is broader in application development and performance tuning.

What are popular job titles related to Javascript Engineer jobs in Washington, DC? For Javascript Engineer jobs in Washington, DC, the most frequently searched job titles are:
Infographic showing various Javascript Engineer job openings in Washington, DC as of May 2026, with employment types broken down into 91% Full Time, 4% Part Time, and 5% Contract. Highlights an 44% Physical, 17% Hybrid, and 39% Remote job distribution, with an average salary of $153,492 per year, or $73.8 per hour.
Senior Software Engineer- GraphQL Engineering

Senior Software Engineer- GraphQL Engineering

Marriott

Bethesda, MD • On-site

$130.80K - $172.40K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 21 days ago


Fairfield By Marriott rating

5.7

Company rating: 5.7 out of 10

Based on 156 frontline employees who took The Breakroom Quiz

67th of 105 rated hotels


Job description

JOB SUMMARY 

The GraphQL API team at Marriott believes they can improve the digital experience of millions of guests around the globe. They also believe they can improve the engineering experience for their team and other Marriott associates. We believe we can do that by challenging the status quo to find the best ways possible to deliver and enjoy a digital experience. 

We are seeking a highly engaged and motivated JavaScript Engineer who is passionate about continuously improving their skills and learning new technologies. The ideal candidate will have a strong JavaScript/TypeScript background and possess exceptional communication skills.  

In this role you will function as a technical expert and lead engineer within the GraphQL team.  You will perform research, analysis, design and development on an emerging GraphQL API platform.  You will be responsible for interacting with consuming digital teams (web, mobile etc) as well as domain API teams. This role acts as a bridge between the two and requires strong communication skills.  

To be successful in this role the person will have to be able to shuffle and prioritize multiple initiatives. It is common that you will be engaging with multiple teams from different areas and providing technical solutions to the challenges they bring to the table.  

If you feel you are up for the challenge, then please see further details below... 

CANDIDATE PROFILE 

Education and Experience 

Required: 

  • Self-motivated and results-driven, with a passion for learning and growth 
  • Strong verbal and written communication skills 
  • JavaScript and TypeScript as your primary development language 
  • Experience with modern front-end or back-end web technologies and frameworks.  
  • Strong technical leader with proven ability to lead Service Provider technical resources 
  • Proven track record of working with scalable, high-quality web applications 
  • Strong understanding of data structures and software design patterns 
  • Experience interacting with ServiceNow or a comparable support ticketing system 
  • 8+ years' working with large scale API projects 
  • 5+ years' technical delivery ownership of JavaScript projects 
  • Extensive experience developing with GraphQL; strong proficiency in GraphQL with Java implementation is also acceptable 

Preferred: 

  • AWS Solutions Architect or Developer certification 
  • Experience with RUST or other emerging web technologies 
  • Communication & business/product management experience  

CORE WORK ACTIVITIES  

Technical Leadership 

  • Trains and/or mentors other team members, and peers as appropriate  
  • Ability to work liaising with multiple teams to steer projects from inception to successful delivery  
  • Provides financial input on department or project budgets, capital expenditures or other cost/resource estimates as requested 
  • Identifies opportunities to enhance the service delivery processes. 

Delivering Technology  

  • Performs complex quantitative and qualitative analyses for service delivery processes and projects. 
  • Facilitates achievement of expected deliverables and obligations of Services Providers 
  • Validates completeness of requirements prior to Service Provider solutioning 
  • Ensures all projects follow the defined development and business case processes 
  • Ensures proper coordination with appropriate IT and vendor relations teams 
  • Provides consultation for routine and complex systems development 
  • Ensures early warning to the business stakeholder executives regarding degraded or missed service levels 
  • Coordinates with Application Delivery and Infrastructure teams for deployment and production support activities 

IT Governance 

  • Follows all defined IT standards and processes (i.e. IT Governance, SM&G, Architecture, etc.), and provides input for improvements to the appropriate process owners as needed 
  • Maintains a proper balance between business and operational risk  
  • Ability to assess when risks need to be escalated to right channels.  
  • Follows the defined project management standards and processes 

Service Provider Management 

  • Validates that Service Providers develop and manage respective aspects of a project plan, including schedules, deliverables, and appropriate metrics. 
  • Makes short term plans for the team to effectively utilize resources 
  • Monitors Service Provider outcomes 
  • Reviews estimates of work effort for client project provided by Service Providers for accuracy 
  • Facilitates timely resolution of service delivery problems and minimizes the impact to clients 

At Marriott International, we are dedicated to being an equal opportunity employer, welcoming all and providing access to opportunity. We actively foster an environment where the unique backgrounds of our associates are valued and celebrated.Our greatest strength lies in the rich blend of culture, talent, and experiences of our associates. We are committed to non-discrimination on any protected basis, including disability, veteran status, or other basis protected by applicable law. 

All positions offer a 401(k) plan, stock purchase plan, discounts at Marriott properties, commuter benefits, employee assistance plan, and childcare discounts.  Benefits are subject to terms and conditions, which may include rules regarding eligibility, enrollment, waiting period, contribution, benefit limits, election changes, benefit exclusions, and others. Click here to learn more.

Full-time positions also offer coverage for medical, dental, vision, health care flexible spending account, dependent care flexible spending account, life insurance, disability insurance, accident insurance, adoption expense reimbursements, paid parental leave and educational assistance. 

Washington Applicants Only: Employees will accrue paid sick leave, 0.077 PTO balance for every hour worked and be eligible to receive a minimum of 9 holidays annually.

Marriott HQ is committed to a hybrid work environment that enables associates to Be connected.  Headquarters-based positions are considered hybrid, for candidates within a commuting distance to Bethesda, MD; candidates outside of commuting distance to Bethesda, MD will be considered for Remote positions.
Marriott International is the world's largest hotel company, with more brands, more hotels and more opportunities for associates to grow and succeed. Be where you can do your best work, begin your purpose, belong to an amazing global team, and become the best version of you.

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