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Javascript Developer Jobs in Maryland (NOW HIRING)

Reflexive Concepts

JavaScript Developer

Hanover, MD · On-site

Reflexive Concepts is seeking a skilled JavaScript Developer to join our growing team! You will join the ClassifyIT team to implement new capabilities for the current classification marking tool and ...

Reflexive Concepts

JavaScript Developer

Hanover, MD · On-site

The ClassifyIT team is seeking a JavaScript Developer to implement new capabilities supporting the current classification marking tool and the tooling used for M365 web-based applications. This is a ...

Belay Technologies

Junior JavaScript Developer

Laurel, MD · On-site

$70K - $190K/yr

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 ...

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Javascript Developer information

See Maryland salary details

$28.6K

$103.4K

$164K

How much do javascript developer jobs pay per year?

As of Aug 19, 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 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 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 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 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 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.

Is JavaScript in high demand?

JavaScript is a highly in-demand skill for developers, especially those working on web development, front-end frameworks, and full-stack projects. Its widespread use in building interactive websites and applications ensures strong job opportunities for JavaScript developers across various industries.
More about Javascript Developer jobs

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The most popular types of Javascript Developer jobs in Maryland are:

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For Javascript Developer jobs in Maryland, the most frequently searched job titles are:

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The top searched job categories for Javascript Developer jobs in Maryland are:

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Javascript Developer jobs near you
Infographic showing various Javascript Developer job openings in Maryland as of August 2026, with employment types broken down into 93% Full Time, and 7% Part Time. Highlights an 93% In-person, and 7% Remote job distribution, with an average salary of $103,443 per year, or $49.7 per hour.

JavaScript Developer

Reflexive Concepts

Hanover, MD • On-site

Full-time

Re-posted yesterday

Job description

Reflexive Concepts is seeking a skilled JavaScript Developer to join our growing team!
You will join the ClassifyIT team to implement new capabilities for the current classification marking tool and for the tool supporting Microsoft 365 web-based applications. In this collaborative and innovative environment, you will contribute to the design, implementation, and optimization of scalable solutions, with hands-on exposure to modern JavaScript frameworks and system integration.
Qualifications:
  • Three (3)+ years of software engineering experience
  • Bachelor's Degree or higher in a technical discipline
    • An additional four (4) years of software engineering experience may be substituted for the degree, for a total of seven (7) years
Required:
  • Working knowledge of JavaScript/DOM, TypeScript, and Node.js/npm
  • Experience with AWS, including the ability to navigate AWS dashboards and services
  • Hands-on experience using Docker (command line) and converting applications to Docker images
  • Experience using Git (command line), GitLab CI, and GitLab pipelines
  • Familiarity with Jest and Cypress
  • Working knowledge of Jira and GitLab
  • Experience developing functional and unit tests
  • Experience performing code reviews
  • Ability to work directly with customers
  • Strong troubleshooting skills
  • Ability to adhere to coding standards and follow team policies
Desired Skills:
  • Must be able to work in a collaborative environment, with minimal supervision
  • Gather, analyze, and capture customer requirements
  • Adhere to the development processes the team has established
  • Assist in developing requirements for new features and fixing defects
  • Create and expand unit tests
  • Knowledge of the Microsoft Office JavaScript API
  • Track and respond to user issues and questions
  • Triage user issues
  • Test new software releases and merge requests
  • Experience working collaboratively with a team of developers, contractors, and the Government
  • Contribute content for the development of high-level documentation and guides
  • Strong time management skills

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