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Freelance Frontend Javascript Developer Jobs in Washington, DC

Beyond SOF

UI Developer

Fulton, MD · On-site

$48.75 - $63.50/hr

Design, build, and maintain highly reusable JavaScript, HTML, and CSS code. * As the first dedicated front-end engineer at Enveil, you'll have substantial say in the strategy and implementation of ...

ACI Infotech

Full-stack Developer

Reston, VA · On-site +1

Full Stack Developer Location: Remote Duration: 12 Months (Potential for Extension) Candidate ... Frontend: * JavaScript / TypeScript * Angular, ability to work with custom frameworks i.e. ADK

TekWissen

Groovy on grails developer

Mclean, VA · On-site

Groovy on grails developer Location: Mclean, VA Duration: Long Term • 5+ Years Java/JEE ... front-end JavaScript frameworks including Jquery. • Must have experience working with XML and ...

Avid Technology Professionals

Software Engineer 3

Laurel, MD · On-site

$57.25 - $77/hr

Developer will be required to have full-stack experience and desire to span front-end (JavaScript, React) to back-end (MongoDB). Other key technologies that are important for this position also ...

Avid Technology Professionals

Software Engineer 3

Laurel, MD · On-site

$57.25 - $77/hr

Developer will be required to have full-stack experience and desire to span front-end (JavaScript, React) to back-end (MongoDB). Other key technologies that are important for this position also ...

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All JobsFrontend Javascript Developer JobsFreelance Frontend Javascript Developer JobsFreelance Frontend Javascript Developer Jobs in Washington, DC

Freelance Frontend Javascript Developer information

See Washington, DC salary details

$48.1K

$125.1K

$176.1K

How much do freelance frontend javascript developer jobs pay per year?

As of Sep 15, 2026, the average yearly pay for freelance frontend javascript developer in Washington, DC is $125,053.00, according to ZipRecruiter salary data. Most workers in this role earn between $117,800.00 and $137,000.00 per year, depending on experience, location, and employer.

What does a freelance frontend JavaScript developer do?

A Freelance Frontend JavaScript Developer creates and maintains the parts of websites and web applications that users interact with, using JavaScript along with HTML and CSS. They typically work independently, taking on projects for various clients rather than being employed by a single company. Their responsibilities include building responsive user interfaces, optimizing website performance, and ensuring cross-browser compatibility. Freelancers also communicate directly with clients to meet specific project requirements and deadlines.

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

To thrive as a Freelance Frontend Javascript Developer, you need strong proficiency in JavaScript, HTML, CSS, and a solid understanding of popular frameworks like React or Vue, typically demonstrated through a robust portfolio. Familiarity with version control systems like Git, responsive design principles, and task runners or bundlers such as Webpack is highly valuable. Excellent communication, time management, and problem-solving skills help freelancers effectively coordinate with clients and deliver projects independently. These skills and qualities are crucial for producing high-quality, maintainable code while meeting client expectations and deadlines in a competitive freelance market.

How do freelance frontend JavaScript developers typically manage client expectations and project timelines?

Freelance Frontend Javascript Developers often work with multiple clients, which requires clear communication to set realistic expectations and deadlines. They usually break projects into milestones, provide regular progress updates, and use project management tools to track deliverables. Managing client expectations involves being upfront about technical limitations, estimated completion times, and potential challenges. Strong organizational skills and proactive communication are essential for building trust and ensuring successful project delivery.

What is the difference between Freelance Frontend Javascript Developer vs Web Designer?

AspectFreelance Frontend Javascript DeveloperWeb Designer
SkillsProficient in JavaScript, HTML, CSS, frameworks like React or AngularDesign principles, UI/UX, graphic tools like Adobe Photoshop or Sketch
Work EnvironmentCode-focused, technical tasks, often collaborating with developers and clientsCreative, visual design, client presentations, branding
Common UsageBuilding interactive websites and web applicationsCreating website layouts, visual elements, and user interfaces

While both roles work on websites, Freelance Frontend Javascript Developers focus on coding and functionality, whereas Web Designers concentrate on visual design and user experience. Understanding these differences helps clients find the right expertise for their projects.

What are the most commonly searched types of Frontend Javascript Developer jobs in Washington, DC?

The most popular types of Frontend Javascript Developer jobs in Washington, DC are:

Freelance Frontend Javascript Developer jobs near you

WEB DEVELOPER - Front End/REST APIs - 8+ yrs of Experience (PARTIAL TELEWORK) - TS/SCI w/Poly cleara

Annapolis Junction, MD • On-site, Remote

Halogen Engineering
See more jobs at Halogen Engineeringexternal

$106K - $123K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 26 days ago

Job description


Web Developer - Front End/REST APIs -8+ yrs of Experience (PARTIAL TELEWORK) - TS/SCI w/Poly clearance is required - BT
Halogen Engineering Group is looking for a Web Developer to join our team.
Location: Annapolis Junction, MD/Hybrid
Travel Required: No
Shift: Day
Remote Type: Hybrid (Up to 16 hours of telework dependent on tasking)
Security Clearance: Current TS/SCI
Polygraph: Required
Salary Range
The projected compensation range for this position is 209K-222K(annualized USD).
Salary is determined by various factors, including but not limited to location, the individual's particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements.
Requirements
  • Software Integration (new and existing systems)
  • Troubleshooting, debugging and defects correction.
  • Creation and editing of software system documentation
  • JavaScript and Front-end JavaScript frameworks such as React, Angular or Vue
  • Developing applications interfacing with REST-based APIs/services in Apache Tomcat/Java or NodeJS.

Qualifications
  • AMaster's degree with five (5) years of software engineeringexperience
  • OR aBachelor's degree with eight (8) years of software engineering experiencein a Qualified Engineering Field (Aeronautics, Biomedical, Chemical,Civil, Computer, Electrical, Environmental, Mechanical, Nuclear, Software,Systems, and Engineering Management) or a related discipline (Chemistry,Computer Science, Information Systems, Mathematics, and Physics) from anaccredited college or university
  • OR aHigh School Diploma or GED with twelve (12) years of software engineering experience.

Benefits
CareFirst Insurance
Medical Plans
  • Threeavailable medical plans-2 Platinum PPO Plans ($0 Deductible) and 1 HSAPlan ($1500 deductible)
  • Halogenpays 100% Medical Premium Costs up to $25,000
  • CareFirstWellness Rewards Program

Dental Plan
  • Halogenpays 50% of the plan costs

Vision Plan
  • Halogenpays 100% of the plan costs

401K Retirement Plan
• 10% contribution paid by the company, automatically vested and paid in each pay period.
Life Insurance, AD&D, Short and Long Term Disability Coverage
Paid Time Off
• 20 Paid Time Off Days
• 6 Federal Holidays
• 5 Floating Holidays
Bonuses
• Based on performance and billable hours
Halogen Engineering Group does not discriminate in employment on the basis of race, color, religion, sex (including pregnancy and gender identity), national origin, political affiliation, sexual orientation, marital status, disability, genetic information, age, membership in an employee organization, retaliation, parental status, military service, or other non-merit factor.

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