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Javascript React Js Developer Jobs in Delaware (NOW HIRING)

Bloxley

IT Systems & WebOps Engineer

Wilmington, DE · On-site

$80 - $100/hr

React.js, Next.js (App Router) * Tailwind CSS * REST API integration * Git & GitHub * localStorage / sessionStorage What We're Looking For * Strong experience in technical implementation ...

Arka Infotech Inc

UI Developer

Wilmington, DE

$48.50 - $63/hr

UI Developer Location: Wilmington, DE Length: 2 years F2F REQUIRED Locals only Work Samples and URL ... Requirements: -1+ years of Angular.js, Node.js or other JavaScript MVC -1+ years of Responsive Web ...

Nastech Global

Java Developer

Newark, DE · On-site

$49.75 - $64.50/hr

Java Developer Location: Newark , DE (onsite) Job Type: Full time Must Have Technical/Functional ... JS, DOJO Front-end web development with JavaScript, HTML, CSS, Ajax Experience in using version ...

Saransh Inc

.Net Developer -Onsite

Wilmington, DE · On-site

Job Title: .Net Developer Work Location: Dot Net Developer Role @ Wilmington, DE(First Priority ... Exposure to frontend technologies like Angular, React, or JavaScript frameworks.

Judge Group, Inc.

FullStack Java Developer

Wilmington, DE · On-site

$51 - $65.75/hr

Develop responsive and user-friendly frontend solutions using React and JavaScript. Participate in ... Strong understanding of software engineering principles, object-oriented programming, and ...

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Javascript React Js Developer information

What does a Javascript React JS developer do?

A Javascript React JS Developer specializes in building user interfaces for web applications using the React JS library. They create interactive, efficient, and scalable front-end components by writing JavaScript code and leveraging React’s component-based architecture. Their responsibilities often include collaborating with designers and backend developers, optimizing application performance, and ensuring a responsive user experience across devices.

What are the key skills and qualifications needed to thrive as a Javascript React JS developer?

To thrive as a Javascript React Js Developer, you need solid expertise in JavaScript, HTML, CSS, and a deep understanding of the React.js library, often supported by a degree in computer science or related experience. Familiarity with tools like Git, npm, Webpack, and APIs, as well as knowledge of testing frameworks and state management libraries such as Redux, is typically required. Strong problem-solving abilities, effective communication, and a collaborative mindset distinguish top performers in this role. These skills and qualities ensure the creation of efficient, scalable, and maintainable web applications while facilitating teamwork in dynamic development environments.

How does a Javascript React JS developer typically collaborate with designers and backend developers on a project?

As a JavaScript React JS Developer, collaboration with designers and backend developers is a key part of the workflow. You will often work closely with UI/UX designers to translate visual mockups into interactive web interfaces, ensuring that the user experience is both functional and visually appealing. Communication with backend developers is also essential for integrating APIs and managing data flow, which may involve clarifying endpoints, data structures, and error handling. Regular stand-up meetings, code reviews, and shared documentation are common practices to facilitate smooth teamwork and ensure project alignment.

What is the difference between Javascript React Js Developer vs Front-End Developer?

CriteriaJavascript React Js DeveloperFront-End Developer
Required SkillsProficiency in React.js, JavaScript, HTML, CSSHTML, CSS, JavaScript, frameworks like React, Angular, or Vue
CertificationsOptional, but React-specific certifications are commonGeneral web development certifications or courses
Work EnvironmentDeveloping interactive UI components, working closely with ReactBuilding user interfaces across various frameworks and libraries
Industry UsagePrimarily in companies using React.js for front-endAcross industries using various front-end technologies

While a Javascript React Js Developer specializes in React.js and JavaScript for building dynamic user interfaces, a Front-End Developer has a broader scope, working with multiple frameworks and technologies to create website interfaces. Both roles require similar foundational skills, but the React Js Developer focuses more on React-specific development.

How much does a JavaScript React JS developer earn?

A JavaScript React JS developer's salary varies based on experience, location, and skill level, but typically ranges from $70,000 to $120,000 annually in many markets. Senior developers with advanced skills in React, Redux, and related tools can earn higher salaries, especially in competitive tech hubs.

Is React still in demand in 2026?

React.js remains a highly in-demand skill for JavaScript React JS developers in 2026, as it continues to be widely used for building modern web applications. Its large ecosystem, strong community support, and integration with popular tools like Redux and Next.js sustain its relevance in the industry.

Is there a demand for React Js developers?

React JS developers are in high demand due to the widespread use of React for building dynamic web applications. Companies across various industries seek skilled React developers to create responsive and efficient user interfaces, often requiring knowledge of JavaScript, HTML, CSS, and related tools like Redux or TypeScript. The demand is expected to grow as front-end development continues to prioritize modern, scalable frameworks.

What are popular job titles related to Javascript React Js Developer jobs in Delaware?

For Javascript React Js Developer jobs in Delaware, the most frequently searched job titles are:

What job categories do people searching Javascript React Js Developer jobs in Delaware look for?

The top searched job categories for Javascript React Js Developer jobs in Delaware are:

Javascript React Js Developer jobs near you
Infographic showing various Javascript React Js Developer job openings in Delaware as of September 2026, with employment types broken down into 81% Full Time, 8% Part Time, 10% Contract, and 1% Nights. Highlights an 78% Physical, 4% Hybrid, and 18% Remote job distribution.

Senior Optimizely CMS Developer

Horizontal Talent

Wilmington, DE • Remote

$111K - $146K/yr

Full-time

Posted 27 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.

Apply