1

Javascript Developer Jobs in Maryland (NOW HIRING)

JavaScript Tutor

Rockville, MD ยท Remote

$18 - $40/hr

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 ...

Belay Technologies is seeking a Software Engineer (JavaScript Developer) to join our intel team. The ClassifyIT team is seeking a Software Engineer to work with a team of developers to implement new ...

Apply Early

JavaScript Tutor

Baltimore, MD ยท Remote

$18 - $40/hr

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 ...

JavaScript Tutor

Laurel, MD ยท Remote

$18 - $40/hr

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 ...

Mid-Level Software Engineer

Laurel, MD ยท On-site

$70K - $190K/yr

Experience in JavaScript is required. The developer is expected to have experience with requirements elicitation. The developer should be able to work collaboratively, within an existing team. The ...

Junior Software Engineer

Laurel, MD ยท On-site

$70K - $190K/yr

Experience in JavaScript is required. The developer is expected to have experience with requirements elicitation. The developer should be able to work collaboratively, within an existing team. The ...

next page

Showing results 1-20

Javascript Developer information

See Maryland salary details

$28.6K

$103.4K

$164K

How much do javascript developer jobs pay per year?

As of Jul 7, 2026, the average yearly pay for javascript developer in Maryland is $103,443.00, according to ZipRecruiter salary data. Most workers in this role earn between $64,100.00 and $124,200.00 per year, depending on experience, location, and employer.

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

To thrive as a JavaScript Developer, you need strong proficiency in JavaScript, HTML, CSS, and a solid understanding of web development principles, often backed by a degree in computer science or comparable experience. Familiarity with frameworks like React or Angular, version control systems like Git, and build tools such as Webpack is typically required. Problem-solving, attention to detail, and effective communication are crucial soft skills for collaborating on projects and resolving technical challenges. These skills and qualities ensure the delivery of robust, maintainable, and efficient web applications that meet user and business needs.

What Does a JavaScript Developer Do?

As a JavaScript developer, your main responsibilities are to code functional web applications using the JavaScript (JS) programming language and to patch and update application code as needed to optimize functionality. You program front-end code for web applications, collaborate with back-end developers, and use tools like integrated development environments (IDEs), Git, and browser dev tools.

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

AspectJavascript DeveloperFront-End Developer
Primary FocusWriting and optimizing JavaScript codeDesigning and implementing user interfaces
Required SkillsJavaScript, HTML, CSS, frameworks like React or AngularHTML, CSS, JavaScript, UI/UX design
Work EnvironmentWeb development teams, software companiesWeb design agencies, tech firms, startups

Javascript Developers focus on coding and scripting using JavaScript, while Front-End Developers handle the overall design and user experience of websites. Both roles often overlap, but the Javascript Developer specializes in scripting, whereas the Front-End Developer emphasizes UI/UX design and layout.

What does a JavaScript Developer do?

A JavaScript Developer is responsible for designing, developing, and maintaining web applications using the JavaScript programming language. They typically work on both the front-end (user interface) and sometimes the back-end (server-side) of web projects, creating interactive features, optimizing performance, and ensuring cross-browser compatibility. Their role often involves collaborating with designers and other developers to deliver a seamless user experience.

What are some common challenges faced by JavaScript Developers when working on large-scale applications?

JavaScript Developers working on large-scale applications often encounter challenges such as maintaining code readability, managing dependencies, and ensuring performance optimization. As projects grow, it becomes essential to implement best practices like modularization, code reviews, and thorough testing to prevent bugs and technical debt. Collaboration with backend developers, designers, and QA testers is frequent, requiring clear communication and an agile mindset to deliver features efficiently and address issues as they arise.
What are the most commonly searched types of Javascript Developer jobs in Maryland? The most popular types of Javascript Developer jobs in Maryland are:
What cities in Maryland are hiring for Javascript Developer jobs? Cities in Maryland with the most Javascript Developer job openings:
Infographic showing various Javascript Developer job openings in Maryland as of July 2026, with employment types broken down into 100% Full Time. Highlights an 90% In-person, and 10% Remote job distribution, with an average salary of $103,443 per year, or $49.7 per hour.

JavaScript Software Engineer 1 or 2 - Endpoint

RBR Technologies

Linthicum Heights, MD โ€ข On-site

$123K - $165K/yr

Full-time

Medical, Retirement, PTO

Posted yesterday

Be an early applicant


Job description

Do you love having fun, building real camaraderie, and being part of a company that shows up for its community? At RBR, we combine mission-focused work with a people-first culture, competitive salaries, and a benefits package that actually makes life better. If you want to grow, contribute, and enjoy the journey along the way, join RBR! We are a small service-disabled veteran-owned information and technology business founded on the basic principle of delivering customer mission success.

RBR-Technologies is seeking a Software Engineer (level 1 or 2) to bring their JavaScript expertise to a mission-focused team shaping the tools that protect sensitive national security data! Could it be you?

Responsibilities associated with the position include:

  • Support development of classification marking tools.
  • Implement code across full software lifecycle including testing and documentation.
  • Customize tools supporting classification string validation.
  • Work collaboratively in an Agile development environment.

Additional responsibilities associated with the position include:

  • Developing, maintaining, and enhancing complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, realยญ time systems, and business management information systems) based upon documented requirements.
  • Providing specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Commercial Off-theยญ shelf (COTS)/Government Off-the-shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components.
  • Reviewing and testing software components for adherence to the design requirements and documenting test results.
  • Resolving software problem reports.
  • Utilizing software development and software design methodologies appropriate to the development environment.
  • Working individually or as part of a team.

Basic Qualifications:

  • Active TS/SCI Polygraph
  • JavaScript, Jest, and Cypress expertise.
  • Experience with JIRA and GitLab.
  • Ability to troubleshoot and communicate with customers.
  • Level 1: Three years of related experience along with a Bachelor's Degree or higher in computer engineering or in a field related to computer engineering or computer science disciplines An additional 4 years of Software Engineering experience may be substituted for the degree for a total of 7 years.
  • Level 2: Five years of related experience along with a Bachelor's degree or higher in computer engineering or in a field related to computer engineering or computer science disciplines AND 2 years of work experience in the SIGINT, IA, or IT domains. An additional 4 years of Software Engineering experience may be substituted for the degree for a total of 9 years.

Preferred Qualifications:

  • Requirements gathering and feature enhancement experience.
  • Ability to contribute to documentation and support release testing.

A career at RBR-Technologies doesn't mean you have to make sacrifices in other areas of your life.

  • Best in class health benefits plan
  • Generous 401k with matching
  • Flexible work policies and schedules (dependent upon contract)
  • Generous Paid Time Off + All Federal Holidays
  • Special paid leave for: Bereavement, Voting, Military, and more
  • Paid Volunteer Hours for Community Outreach
  • Paid Parental Leave
  • Family-Friendly Company Paid Events
  • Annual Pet Insurance Benefit

Equal Employment Opportunity has been, and will continue to be, a fundamental principle at RBR-Technologies, where employment is based on personal capabilities and qualifications without discrimination because of race, color, religion, sex, sexual orientation, gender identity or expression, pregnancy, age, national origin, disability status, genetic information, protected veteran status, or any protected characteristic as established by law. This policy of Equal Employment Opportunity applies to all policies and procedures relating to recruitment, employment, promotion, transfer, training, working conditions, compensation, benefits, termination, and all other conditions of employment.