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Senior Remote Javascript Developer Jobs in Pennsylvania

Geisinger Health

Application Developer Senior

Danville, PA · On-site +1

$109K - $151K/yr

Work is typically performed in an office or remote environment. Accountable for satisfying all job ... Proficiency with one or more programming or scripting languages such as C#, Python, JavaScript, V ...

Xactus

Senior Full Stack Engineer

Broomall, PA · On-site +1

Xactus is proud to provide a friendly work environment that is primarily remote. Our workforce ... NET Core, ASP.NET Web Forms, Angular, TypeScript/JavaScript, SQL Server, and Azure. The Senior Full ...

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Senior Remote Javascript Developer information

What are some common challenges faced by senior remote JavaScript developers when collaborating with distributed teams?

Senior Remote Javascript Developers often navigate challenges such as coordinating across different time zones, ensuring clear communication, and maintaining code consistency within a distributed team. Effective use of collaboration tools, thorough documentation, and regular virtual meetings are essential to stay aligned with teammates. Additionally, proactively participating in code reviews and knowledge-sharing sessions helps foster a cohesive development environment, even when working remotely.

What are the key skills and qualifications needed to thrive as a senior remote JavaScript developer?

To thrive as a Senior Remote Javascript Developer, you need advanced proficiency in JavaScript, strong understanding of modern frameworks like React or Node.js, and substantial experience with software development best practices. Familiarity with tools such as Git, CI/CD pipelines, cloud platforms, and sometimes certifications in relevant technologies or methodologies is highly valued. Excellent problem-solving, self-management, and clear remote communication skills set outstanding developers apart in distributed teams. Mastery of these abilities ensures efficient code delivery, collaboration, and adaptability in dynamic, remote work environments.

What does a senior remote JavaScript developer do?

A Senior Remote JavaScript Developer designs, develops, and maintains advanced web applications using JavaScript frameworks and libraries. They work remotely, collaborating with distributed teams to build scalable, efficient, and user-friendly software solutions. In addition to coding, they often mentor junior developers, participate in code reviews, and help define technical standards for projects. Their expertise typically spans both front-end and back-end JavaScript technologies such as React, Node.js, or Angular.

What is the difference between Senior Remote Javascript Developer vs Frontend Developer?

AspectSenior Remote Javascript DeveloperFrontend Developer
Required SkillsAdvanced JavaScript, frameworks (React, Angular), problem-solvingHTML, CSS, basic JavaScript, UI design
Experience Level5+ years, leadership responsibilities1-3 years, entry to mid-level
Work EnvironmentRemote, collaborative teams, project managementRemote or on-site, UI/UX focus
Industry UsageTech companies, startups, agenciesWeb development agencies, tech firms

The Senior Remote Javascript Developer typically has more advanced JavaScript skills, experience, and leadership responsibilities compared to a Frontend Developer. While both roles work remotely and focus on web technologies, the senior role involves more complex problem-solving, project oversight, and technical expertise, making it suitable for experienced developers aiming for higher-level positions.

What are popular job titles related to Senior Remote Javascript Developer jobs in Pennsylvania?

For Senior Remote Javascript Developer jobs in Pennsylvania, the most frequently searched job titles are:

What job categories do people searching Senior Remote Javascript Developer jobs in Pennsylvania look for?

The top searched job categories for Senior Remote Javascript Developer jobs in Pennsylvania are:

What cities in Pennsylvania are hiring for Senior Remote Javascript Developer jobs?

Cities in Pennsylvania with the most Senior Remote Javascript Developer job openings:

Senior Remote Javascript Developer jobs near you

Senior Optimizely CMS Developer

Horizontal Talent

Abington, PA • Remote

$111K - $145K/yr

Full-time

Posted 5 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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