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Javascript Front End Developer Jobs in Massachusetts

Horizontal Talent

Senior CMS Developer Optimizely

Waltham, MA · Remote

$125K - $164K/yr

This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Advanced frontend experience with HTML5, CSS3/SASS, and JavaScript, including Vanilla JS, ES6 ...

Horizontal Talent

Senior CMS Developer Optimizely

Newton, MA · Remote

$126K - $165K/yr

This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Advanced frontend experience with HTML5, CSS3/SASS, and JavaScript, including Vanilla JS, ES6 ...

Horizontal Talent

Senior Optimizely CMS Developer

Peabody, MA · Remote

$127K - $167K/yr

This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Advanced frontend experience with HTML5, CSS3/SASS, and JavaScript, including Vanilla JS, ES6 ...

Horizontal Talent

Senior Optimizely CMS Developer

Woburn, MA · Remote

$122K - $161K/yr

This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Advanced frontend experience with HTML5, CSS3/SASS, and JavaScript, including Vanilla JS, ES6 ...

Horizontal Talent

Senior Optimizely CMS Developer

Waltham, MA · Remote

$125K - $164K/yr

This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Advanced frontend experience with HTML5, CSS3/SASS, and JavaScript, including Vanilla JS, ES6 ...

Horizontal Talent

Senior CMS Developer Optimizely

Revere, MA · Remote

$118K - $155K/yr

This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Advanced frontend experience with HTML5, CSS3/SASS, and JavaScript, including Vanilla JS, ES6 ...

Horizontal Talent

Senior Optimizely CMS Developer

Lowell, MA · Remote

$115K - $151K/yr

This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Advanced frontend experience with HTML5, CSS3/SASS, and JavaScript, including Vanilla JS, ES6 ...

Horizontal Talent

Senior CMS Developer Optimizely

Quincy, MA · Remote

$120K - $158K/yr

This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Advanced frontend experience with HTML5, CSS3/SASS, and JavaScript, including Vanilla JS, ES6 ...

Horizontal Talent

$116K - $153K/yr

This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Advanced frontend experience with HTML5, CSS3/SASS, and JavaScript, including Vanilla JS, ES6 ...

Horizontal Talent

Senior Optimizely CMS Developer

Beverly, MA · Remote

$126K - $166K/yr

This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Advanced frontend experience with HTML5, CSS3/SASS, and JavaScript, including Vanilla JS, ES6 ...

Horizontal Talent

Senior Optimizely CMS Developer

Methuen, MA · Remote

$120K - $157K/yr

This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Advanced frontend experience with HTML5, CSS3/SASS, and JavaScript, including Vanilla JS, ES6 ...

Horizontal Talent

Senior CMS Developer Optimizely

Boston, MA · Remote

$124K - $164K/yr

This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Advanced frontend experience with HTML5, CSS3/SASS, and JavaScript, including Vanilla JS, ES6 ...

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All JobsJavascript Front End Developer JobsJavascript Front End Developer Jobs in Massachusetts

Javascript Front End Developer information

See Massachusetts salary details

$37

$55

$84

How much do javascript front end developer jobs pay per hour?

As of Aug 21, 2026, the average hourly pay for javascript front end developer in Massachusetts is $55.72, according to ZipRecruiter salary data. Most workers in this role earn between $42.55 and $62.21 per hour, depending on experience, location, and employer.

What does a JavaScript front end developer do?

A JavaScript Front End Developer is responsible for creating and implementing the visual and interactive elements of a website or web application that users see and interact with. They use JavaScript, along with HTML and CSS, to build responsive, user-friendly interfaces. Their work often involves collaborating with designers and back-end developers to ensure seamless functionality and a positive user experience. JavaScript Front End Developers also optimize web pages for speed and efficiency, and may use frameworks like React, Angular, or Vue.js.

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

To thrive as a JavaScript Front End Developer, you need proficiency in JavaScript, HTML, CSS, and a solid understanding of responsive web design, often supported by a degree in computer science or relevant experience. Familiarity with frameworks like React or Angular, version control systems like Git, and testing tools are typically required, along with knowledge of RESTful APIs. Strong problem-solving skills, attention to detail, and effective communication help developers collaborate and deliver user-friendly interfaces. These skills are essential for building high-quality, interactive web applications that meet user needs and business objectives.

What are some common challenges faced by JavaScript front end developers when working on cross-functional teams?

JavaScript Front End Developers often collaborate closely with designers, back-end developers, and product managers, which can present challenges such as aligning on design specifications, synchronizing with back-end API changes, and managing differing project priorities. Effective communication and proactive problem-solving are essential to ensure seamless integration of UI features and to address issues like inconsistent data formats or evolving design requirements. Being adaptable and maintaining clear documentation can help mitigate misunderstandings and keep the development process efficient.

What is the difference between Javascript Front End Developer vs Web Designer?

AspectJavascript Front End DeveloperWeb Designer
Primary FocusBuilding interactive, functional user interfaces using JavaScript, HTML, CSSDesigning visual layout, graphics, and user experience without extensive coding
Skills & CertificationsJavaScript, frameworks (React, Angular), HTML, CSS, version controlDesign tools (Adobe Photoshop, Sketch), UX/UI principles, basic HTML/CSS
Work EnvironmentDevelopment teams, tech companies, startups
Common UsageCreating dynamic websites and applications

While both roles contribute to website creation, Javascript Front End Developers focus on coding and functionality, whereas Web Designers emphasize visual design and user experience. Understanding these differences helps employers and job seekers target the right skills and roles in the industry.

Is JavaScript good for front-end?

JavaScript is a core technology for front-end development and is essential for creating interactive and dynamic user interfaces. Front-end developers frequently use JavaScript along with frameworks like React, Angular, or Vue.js to build responsive web applications. Proficiency in JavaScript is highly valued in front-end roles and often combined with HTML and CSS skills.

What are popular job titles related to Javascript Front End Developer jobs in MA?

For Javascript Front End Developer jobs in MA, the most frequently searched job titles are:

Javascript Front End Developer jobs near you
Infographic showing various Javascript Front End Developer job openings in Massachusetts as of August 2026, with employment types broken down into 1% As Needed, 81% Full Time, 14% Part Time, 1% Temporary, and 3% Contract. Highlights an 89% Physical, 4% Hybrid, and 7% Remote job distribution, with an average salary of $115,904 per year, or $55.7 per hour.

Senior CMS Developer Optimizely

Horizontal Talent

Framingham, MA • Remote

$125K - $164K/yr

Full-time

This job post has expired today. Applications are no longer accepted.

Job description

Join a fast-moving digital marketing team that is investing heavily in modern web technology, experimentation, and data-driven growth. This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS solutions, launching sophisticated experiments, and using AI-assisted tools to work faster and smarter.

Responsibilities
  • Build and maintain reusable components, page templates, and content models within Optimizely CMS to help marketing teams launch web pages efficiently.
  • Design CMS architecture that supports scalability, security, and strong performance, including Core Web Vitals optimization.
  • Develop and support integrations between Optimizely CMS and enterprise platforms such as Salesforce, Marketo, Adobe Commerce, and internal systems.
  • Create and deploy advanced A/B, split, and multivariate tests in Optimizely Web Experimentation, including custom DOM manipulation and dynamic content changes.
  • Implement personalized web experiences for targeted B2B audiences and account-based marketing campaigns.
  • Partner on server-side testing and feature flagging when frontend testing is not the best fit.
  • Perform thorough cross-browser and cross-device testing to help ensure smooth, consistent user experiences with minimal flicker or layout shift.
  • Define and document best practices, technical standards, and governance guidelines for Optimizely-related work.
  • Collaborate closely with CRO, product, and design teams to evaluate ideas, prototype solutions, and translate designs into polished digital experiences.
  • Use AI-assisted development tools to accelerate coding, debugging, testing, and experimentation workflows.
Skills
  • 5+ years of full-stack web development experience.
  • At least 3+ years of hands-on experience working within the Optimizely ecosystem.
  • Strong backend development skills with C# and .NET Core/MVC, especially in Optimizely CMS environments.
  • Advanced frontend experience with HTML5, CSS3/SASS, and JavaScript, including Vanilla JS, ES6+, jQuery, React, or Vue.
  • Deep understanding of Optimizely platform concepts such as Project JS, visual tags, audience targeting, anti-flicker approaches, and caching behavior.
  • Experience building for complex B2B websites, including lead generation and gated content workflows.
  • Strong Git knowledge and familiarity with modern CI/CD workflows such as Azure DevOps or GitHub Actions.
  • Ability to work independently while also partnering effectively with cross-functional teams.
  • A proactive, solution-oriented mindset with a focus on speed, quality, and continuous improvement.
Preferred Skills
  • Active Optimizely Developer certification in CMS or Web Experimentation.
  • Experience supporting server-side experimentation and feature flagging initiatives.
  • Familiarity with UX/UI collaboration and translating wireframes or Figma designs into interactive experiences.
  • Comfort using AI tools such as GitHub Copilot or ChatGPT to support development efficiency.
  • Experience working in remote-first environments and collaborating across multiple locations.

Horizontal is committed to fostering an inclusive environment where all qualified candidates can thrive. We value diversity, equity, and inclusion as essential to building strong teams, better ideas, and better outcomes.

By applying for this position, you acknowledge and agree that Horizontal Talent may contact you regarding your application using automated technology, including phone calls, SMS/text messages, or email, which may be delivered by our virtual AI recruiter, Alex.

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