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Remote Front End Developer Startup Jobs in Boston, MA

Horizontal Talent

Sr. Optimizely Developer

Boston, MA · Remote

$124K - $164K/yr

Partner on server-side testing and feature flagging when frontend testing is not the best fit ... Experience working in remote-first environments and collaborating across multiple locations.

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Remote Front End Developer Startup information

See Boston, MA salary details

$46.2K

$120K

$168.9K

How much do remote front end developer startup jobs pay per year?

As of Aug 20, 2026, the average yearly pay for remote front end developer startup in Boston, MA is $119,952.00, according to ZipRecruiter salary data. Most workers in this role earn between $113,000.00 and $131,500.00 per year, depending on experience, location, and employer.

What is a remote front end developer at a startup?

A remote front end developer at a startup is a software engineer who specializes in building and optimizing the user interface of web or mobile applications, working from a location outside the company's main office. At a startup, this role often involves collaborating closely with designers, product managers, and back end developers to create seamless and engaging user experiences. Responsibilities can include coding with HTML, CSS, and JavaScript frameworks, as well as adapting quickly to changing project requirements and contributing to the rapid growth of the company. Startups typically value flexibility, innovation, and the ability to work independently in a fast-paced environment.

What are the key skills and qualifications needed to thrive as a remote front end developer at a startup?

To thrive as a Remote Front End Developer at a startup, you need strong proficiency in HTML, CSS, JavaScript, and modern frameworks like React or Vue.js, typically supported by a relevant degree or equivalent experience. Familiarity with version control systems (like Git), cloud-based collaboration tools (such as Slack and Jira), and knowledge of responsive design are commonly required. Excellent communication, self-motivation, and adaptability are essential soft skills for success in a fast-paced, remote startup environment. These abilities ensure you can efficiently build user-friendly interfaces, collaborate across distributed teams, and readily adapt to evolving project requirements.

How does a remote front end developer at a startup typically collaborate with other team members across different time zones?

As a Remote Front End Developer at a startup, you'll often work with a distributed team that may span multiple time zones. Collaboration usually happens through daily stand-ups, project management tools, and asynchronous communication platforms like Slack or Trello. Flexibility and proactive communication are key, as you may need to adjust your schedule for occasional real-time meetings or quick problem-solving sessions. Startups often foster a fast-paced, collaborative culture where your input on UI/UX and technical decisions is highly valued, and cross-functional teamwork with designers, back-end developers, and product managers is routine.

What are popular job titles related to Remote Front End Developer Startup jobs in Boston, MA?

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

What job categories do people searching Remote Front End Developer Startup jobs in Boston, MA look for?

The top searched job categories for Remote Front End Developer Startup jobs in Boston, MA are:

Remote Front End Developer Startup jobs near you

Sr. Optimizely Developer

Horizontal Talent

Boston, MA • Remote

$124K - $164K/yr

Full-time

Posted 13 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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