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Full Stack Frontend Developer Jobs in Merrimack, NH

Horizontal Talent

Senior CMS Developer Optimizely

Lowell, MA · Remote

$115K - $151K/yr

Skills * 5+ years of full-stack web development experience. * At least 3+ years of hands-on ... 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

Skills * 5+ years of full-stack web development experience. * At least 3+ years of hands-on ... Advanced frontend experience with HTML5, CSS3/SASS, and JavaScript, including Vanilla JS, ES6 ...

Varsity Tutors

Web Development Tutor

Lawrence, MA · Remote

$18 - $40/hr

Deep knowledge of front-end technologies including HTML, CSS, and JavaScript, back-end development ... full-stack development roles and software engineering careers. * Conceptual Teaching & Problem ...

Varsity Tutors

Web Development Tutor

Lowell, MA · Remote

$18 - $40/hr

Deep knowledge of front-end technologies including HTML, CSS, and JavaScript, back-end development ... full-stack development roles and software engineering careers. * Conceptual Teaching & Problem ...

The Weather Company

Software Engineer

Andover, MA · On-site

Build and maintain full stack features across frontend and backend systems, delivering data-rich ... Exposure to CI/CD pipelines and modern DevOps practices * Experience with legacy system ...

The Weather Company

Software Engineer

Andover, MA · Hybrid

Build and maintain full stack features across frontend and backend systems, delivering data-rich ... Exposure to CI/CD pipelines and modern DevOps practices * Experience with legacy system ...

Electric Hydrogen

Electrolyzer Stack Engineer

Devens, MA · On-site

$75K - $130K/yr

We are seeking an Electrolyzer Stack Engineer to join our Stack Engineering team. In this role, you will contribute to the development of Electric Hydrogen's current and next-generation electrolyzer ...

Apex Informatics

Java Developer

Merrimack, NH · On-site

$52.25 - $67.50/hr

Title: Full Stack Engineer Location: MERRIMACK, NH (IN-person interview) Duration:-Long term Project Technical Skill • 50% Core Java - springBoot, API microservices, KAFKA (nice to have) • 25 ...

Wow

Software Engineer III

Nashua, NH · Hybrid

$125K - $145K/yr

This position sits at the intersection of full-stack engineering, cloud technologies, user ... Next.js for frontend development You'll also: * Build high-performance web applications * Deliver ...

Varsity Tutors

JavaScript Tutor

Lowell, MA · Remote

$18 - $40/hr

... programming through advanced front-end and full-stack JavaScript development. * Effective Teaching Methods: Ability to identify concepts students commonly struggle with, explain material using ...

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All JobsFull Stack Frontend Developer JobsFull Stack Frontend Developer Jobs in Merrimack, NH

Full Stack Frontend Developer information

See Merrimack, NH salary details

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How much do full stack frontend developer jobs pay per hour?

As of Aug 18, 2026, the average hourly pay for full stack frontend developer in Merrimack, NH is $60.67, according to ZipRecruiter salary data. Most workers in this role earn between $50.43 and $69.90 per hour, depending on experience, location, and employer.

What is a full stack frontend developer?

A Full Stack Frontend Developer is a software professional who specializes in building both the user-facing (frontend) and server-side (backend) components of web applications, with a primary focus on frontend technologies. They are proficient in languages and frameworks like HTML, CSS, JavaScript, React, or Angular for the frontend, while also understanding backend languages such as Node.js, Python, or PHP. This dual expertise allows them to work across the entire development stack, making them valuable in projects that require seamless integration between the user interface and server logic.

How does a full stack frontend developer typically collaborate with backend developers and designers on projects?

As a Full Stack Frontend Developer, you’ll regularly work alongside backend developers to ensure seamless integration between the user interface and server-side logic. Collaboration often involves reviewing API documentation, participating in sprint planning, and troubleshooting issues that arise at the intersection of frontend and backend systems. You’ll also work with designers to translate UI/UX mockups into functional, responsive components, providing technical feedback to optimize user experiences. Effective communication and teamwork are essential for delivering cohesive, high-quality applications.

What are the key skills and qualifications needed to thrive as a full stack frontend developer, and why are they important?

To thrive as a Full Stack Frontend Developer, you should have a solid grasp of JavaScript, HTML, CSS, and at least one backend language or framework, often supported by a relevant degree or prior experience. Familiarity with tools like React, Node.js, version control systems (like Git), and deployment platforms is typically expected. Standout soft skills include problem-solving, adaptability, and strong communication for effective collaboration across teams. These skills are crucial for building responsive, scalable web applications and ensuring smooth integration between frontend and backend systems.

What is the difference between Full Stack Frontend Developer vs Frontend Developer?

AspectFull Stack Frontend DeveloperFrontend Developer
CredentialsTypically requires knowledge of HTML, CSS, JavaScript, and backend technologies like Node.js or PythonPrimarily focuses on HTML, CSS, JavaScript, and frontend frameworks
Work EnvironmentWorks on both client-side and server-side development, often in full-stack teamsFocuses solely on client-side development and UI/UX design
Industry UsageCommon in startups and small to medium companies needing versatile developersPrevalent in companies emphasizing specialized frontend expertise

Full Stack Frontend Developers have a broader skill set, covering both frontend and backend tasks, while Frontend Developers specialize in creating engaging user interfaces. Your choice depends on whether you prefer a versatile role or a focused frontend position.

What job categories do people searching Full Stack Frontend Developer jobs in Merrimack, NH look for?

The top searched job categories for Full Stack Frontend Developer jobs in Merrimack, NH are:

What cities near Merrimack, NH are hiring for Full Stack Frontend Developer jobs?

Cities near Merrimack, NH with the most Full Stack Frontend Developer job openings:

Full Stack Frontend Developer jobs near you
Infographic showing various Full Stack Frontend Developer job openings in Merrimack, NH as of July 2026, with employment types broken down into 1% Internship, 85% Full Time, 8% Part Time, and 6% Contract. Highlights an 87% Physical, 3% Hybrid, and 10% Remote job distribution, with an average salary of $126,202 per year, or $60.7 per hour.

Senior Optimizely CMS Developer

Horizontal Talent

Fitchburg, MA • Remote

$116K - $152K/yr

Full-time

Posted 6 days ago

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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