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React Developer Jobs in Delaware (NOW HIRING)

Marencor

UI Developer/ React/Node

Wilmington, DE · On-site

$165 - $180/hr

Title: UI Developer/ React/Node Location: Hybrid/KS / Chicago, IL / IA / Manassas, VA / Wilmington, DE Salary: $165-180 Target A Staff Engineer is the continuation of an individual contributor role ...

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How much do react developer jobs pay per year?

As of Sep 14, 2026, the average yearly pay for react developer in Delaware is $129,460.00, according to ZipRecruiter salary data. Most workers in this role earn between $106,100.00 and $157,100.00 per year, depending on experience, location, and employer.

What is a React developer?

React Developers are software engineers who specialize in building user interfaces using the React JavaScript library. They design and implement interactive components on web applications, ensuring seamless and efficient user experiences. Their responsibilities often include coding, debugging, optimizing performance, and collaborating with designers and backend developers. React Developers need a strong understanding of JavaScript, HTML, CSS, and the React framework. They may also work with related tools like Redux, TypeScript, and testing libraries.

What does a React developer do?

As a React developer, you work in a comprehensive JavaScript library known as React. Your responsibilities are to design, develop, and implement this front-end technology for businesses. Your software includes user-facing features that consist of reusable components for future use. Other duties include testing software for functionality issues, translating designs into code, and optimizing components for optimum performance. Part of your job is utilizing workflows such as Flux and Redux to complete tasks. You also coordinate with teams to ensure each layer of the infrastructure works together.

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

To thrive as a React Developer, you need a solid understanding of JavaScript, ES6+, HTML, CSS, and a proven track record with React.js and related libraries. Familiarity with version control systems like Git, package managers such as npm or Yarn, and experience with build tools and testing frameworks are typically required. Strong problem-solving skills, attention to detail, and effective communication set outstanding developers apart. These competencies ensure you can build efficient, maintainable user interfaces and collaborate effectively within development teams.

What are the most common challenges React developers face when working on large-scale applications?

React Developers working on large-scale applications often encounter challenges such as managing complex state logic, ensuring code maintainability, and optimizing application performance. Collaborating effectively with backend teams and coordinating updates in component libraries are also crucial. Additionally, keeping up with the evolving React ecosystem and integrating third-party tools or libraries can require ongoing learning and adaptation. Leveraging best practices like code splitting, lazy loading, and clear state management patterns can help address these challenges.

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

AspectReact DeveloperFront-End Developer
Primary FocusBuilding user interfaces with ReactDeveloping UI/UX across various frameworks
Required SkillsReact, JavaScript, HTML, CSSJavaScript, HTML, CSS, multiple frameworks
Work EnvironmentWeb development teams, startups, tech companiesWeb development teams, agencies, corporate IT
Common CertificationsReact certifications, JavaScript coursesJavaScript certifications, front-end development courses

React Developers specialize in building user interfaces using React, while Front-End Developers work on a broader range of UI/UX development across various frameworks. Both roles require strong JavaScript, HTML, and CSS skills, but React Developers focus more on React-specific tools and libraries. Employers in tech companies and startups often seek both, but React Developers are more specialized in React-based projects.

Are React developers in high demand?

React developers are in high demand due to the widespread use of React for building user interfaces in web development. Employers seek professionals skilled in JavaScript, React, and related tools like Redux, with many job openings across various industries. The demand is expected to remain strong as front-end development continues to grow.

Is React in demand in 2026?

React Developer roles are expected to remain in high demand through 2026 due to the continued popularity of React for building dynamic web applications. Skills in JavaScript, component-based architecture, and familiarity with tools like Redux or Next.js enhance employability in this field.

What's the average React Developer salary?

The average React Developer salary varies based on experience, location, and skill level, but typically ranges from $70,000 to $120,000 annually in the United States. Developers with advanced skills in JavaScript, Redux, and front-end frameworks tend to earn higher salaries, especially in tech hubs or with specialized certifications.
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React Developer jobs near you
Infographic showing various React Developer job openings in Delaware as of August 2026, with employment types broken down into 80% Full Time, 6% Part Time, and 14% Contract. Highlights an 83% Physical, 5% Hybrid, and 12% Remote job distribution, with an average salary of $129,460 per year, or $62.2 per hour.

UI Developer/ React/Node

Wilmington, DE • On-site

Marencor
See more jobs at Marencorexternal

$165 - $180/hr

Full-time

Re-posted 7 days ago

Key responsibilities

  • Perform code reviews to uphold best practices and architectural patterns.

  • Design new software implementation patterns for scalable consumption.

  • Create system documentation and mentor junior team members.

Job description

Title: UI Developer/ React/Node

Location: Hybrid/KS / Chicago, IL /  IA / Manassas, VA / Wilmington, DE

Salary: $165-180 Target

Job Description:

A Staff Engineer is the continuation of an individual contributor role that begins to focus on the scaling of engineering. The person in this role is responsible for the design, development, modification, analysis and implementation of software programming applications for the various subsidiaries of the corporation.  They are responsible for updating and/or enhancing existing software capabilities applying principles and techniques of computer science, engineering, and mathematical analysis.    

Core Responsibilities:

  • Perform code review upholding best practices and architectural patterns (25%)
  • Design new software engineering implementation patterns for consumption at scale (25%)
  • Solving complex business challenges leveraging new and existing technology (35%)
  • Creating system documentation and mentoring junior team members (10%)
  • Perform recruiting screening and technical assessments of incoming candidates (5%)

Other Duties:

  • Promote innovation with the courage to challenge norms.
  • Tackle complex problems using simplification and experimentation.
  • Guard product quality through diligence in security, performance, and observability.
  • Aggressively seek out technical debt, in both process and code, and ideate on faster delivery.
  • Maintain and refine metrics for engineering success. Advocate for these through code review.
  • Invest in mentoring team members. Nurture growth in autonomy through critical thinking, problem analysis, and technical maturity.Proposes software solutions. 
  • Develops, designs, and edits original applications, or modifies third-party applications. 
  • Tests and approves applications. 
  • Analyze and define software requirements to determine specifications and standards; provides feedback on business requirements to fully leverage technology to improve business functions.
  • Produces significant new system functionality or defect resolution with minimal direction.
  • Can perform adequate peer review on any changes in the system.
  • Can be consulted to provide recommendations to solve business issues based on experience and knowledge of current technology. 
  • May provide rotating on-call support of production systems.
  • Partner with the various subsidiaries to create a vision for future advancement of our applications.
  • Travel for this position is approximately 5-10%.

Qualifications

  • 7+ years’ experience in java or object-oriented programming
  • 7+ years of React experience
  • 5+ years of Nextjs experience
  • 5+ years’ experience in an agile environment
  • 5+ years’ experience in integrating systems through APIs
  • Ability to communicate complex ideas into technical implementation requirements
  • Experience working in an agile environment focusing on iterative delivery
  • Ability to convey complex problems (technical or organizational) concisely, accompanied by thoughtfully proposed solutions
  • Performs work independently. 
  • Uses advanced techniques, theories, and processes to complete work.
  • Software Development Life Cycle experience.
  • Ability to thrive and produce results with little or no supervision in a fast-paced, entrepreneurial environment.
  • Excellent communication skills with ability to interact seamlessly at all levels with both technical and business stakeholders.
  • Superior problem solving and analytical skills.
  • Bachelors Degree in Computer Science, Information Technology, Information Systems, or a related discipline. Equivalent experience and/or alternative qualifications will be considered.