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Senior Associate Frontend Developer Jobs in Massachusetts

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 ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.

New

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 ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.

New

Horizontal Talent

Senior CMS Developer Optimizely

Woburn, MA · Remote

$122K - $161K/yr

This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.

New

Horizontal Talent

Senior Optimizely CMS Developer

Newton, MA · Remote

$126K - $165K/yr

This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.

New

Horizontal Talent

Senior Optimizely CMS Developer

Needham, MA · Remote

$126K - $166K/yr

This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.

New

Horizontal Talent

Senior Optimizely CMS Developer

Boston, MA · Remote

$124K - $164K/yr

This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.

New

Horizontal Talent

Senior CMS Developer Optimizely

Needham, MA · Remote

$126K - $166K/yr

This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.

New

Horizontal Talent

Senior CMS Developer Optimizely

Salem, MA · Remote

$125K - $165K/yr

This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.

New

Horizontal Talent

$116K - $153K/yr

This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.

New

Horizontal Talent

Senior Optimizely CMS Developer

Everett, MA · Remote

$118K - $155K/yr

This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.

New

Horizontal Talent

Senior Optimizely CMS Developer

Revere, MA · Remote

$118K - $155K/yr

This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.

New

Horizontal Talent

$116K - $153K/yr

This Senior Optimizely Developer role is a great fit for someone who enjoys building scalable CMS ... Partner on server-side testing and feature flagging when frontend testing is not the best fit.

New

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All JobsAssociate Frontend Developer JobsSenior Associate Frontend Developer JobsSenior Associate Frontend Developer Jobs in Massachusetts

Senior Associate Frontend Developer information

What skills and qualifications are needed to thrive as a senior associate frontend developer?

To thrive as a Senior Associate Frontend Developer, you need advanced proficiency in HTML, CSS, JavaScript, and modern frontend frameworks like React or Angular, typically supported by a bachelor's degree in computer science or a related field. Experience with version control systems (e.g., Git), build tools (Webpack, npm), and familiarity with testing frameworks and CI/CD pipelines are commonly required. Strong problem-solving abilities, attention to detail, and effective collaboration and communication skills help you stand out in this role. These competencies are vital for delivering robust, user-friendly interfaces and ensuring smooth teamwork in fast-paced development environments.

Is a senior associate frontend developer still in demand?

Senior frontend developers remain in high demand due to the ongoing need for user interface expertise in web and mobile applications. Skills in JavaScript frameworks like React or Angular, along with experience in responsive design, are particularly valuable in the current job market.

What is the average salary for a senior associate frontend developer?

The average salary for a senior associate frontend developer typically ranges from $80,000 to $120,000 annually, depending on experience, location, and company size. Professionals with expertise in JavaScript frameworks like React or Angular and strong UI/UX skills tend to earn higher salaries.

What is a senior associate frontend developer?

Senior Associate Frontend Developers are experienced professionals responsible for designing, building, and maintaining the user-facing parts of web applications. They work with technologies like HTML, CSS, JavaScript, and modern frameworks such as React, Angular, or Vue.js. In addition to coding, they often mentor junior developers, collaborate with designers and backend teams, and help ensure that applications are responsive, accessible, and high-performing. Their role typically involves both hands-on development and contributing to technical decisions within their team.

How does a senior associate frontend developer typically collaborate with UX/UI designers and backend developers on projects?

As a Senior Associate Frontend Developer, you will regularly work alongside UX/UI designers to translate design mockups into functional, responsive interfaces. You'll also coordinate with backend developers to integrate APIs and ensure seamless data flow between the client and server. Effective communication and regular sync-ups are essential, as you'll often be responsible for bridging the gap between visual design and technical implementation, ensuring both usability and performance standards are met.

What are the most commonly searched types of Senior Frontend Developer jobs in Massachusetts?

The most popular types of Senior Frontend Developer jobs in Massachusetts are:

What are popular job titles related to Senior Associate Frontend Developer jobs in Massachusetts?

For Senior Associate Frontend Developer jobs in Massachusetts, the most frequently searched job titles are:

What job categories do people searching Senior Associate Frontend Developer jobs in Massachusetts look for?

The top searched job categories for Senior Associate Frontend Developer jobs in Massachusetts are:

What cities in Massachusetts are hiring for Senior Associate Frontend Developer jobs?

Cities in Massachusetts with the most Senior Associate Frontend Developer job openings:

Senior Associate Frontend Developer jobs near you

Senior Optimizely CMS Developer

Horizontal Talent

Somerville, MA • Remote

$125K - $164K/yr

Full-time

Posted 2 days ago

New

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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