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Junior 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 ... Creating system documentation and mentoring junior team members (10%) * Perform recruiting ...

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How much do junior react developer jobs pay per year?

As of Jul 31, 2026, the average yearly pay for junior react developer in Delaware is $89,052.00, according to ZipRecruiter salary data. Most workers in this role earn between $67,100.00 and $87,100.00 per year, depending on experience, location, and employer.

What is a Junior React Developer job?

A Junior React Developer is an entry-level front-end developer who primarily works with React.js to build dynamic user interfaces for web applications. They assist in writing reusable components, managing application state, and integrating APIs. Junior developers often work under the guidance of senior developers, participating in debugging, testing, and optimizing performance. Strong foundational knowledge of JavaScript, React, and related technologies like HTML, CSS, and Git is essential.

What are the typical daily tasks and responsibilities for a Junior React Developer?

As a Junior React Developer, your daily responsibilities may include developing and maintaining user interface components using React, writing and testing JavaScript code, and collaborating with designers and backend developers to implement new features. You'll likely assist with bug fixes, participate in code reviews, and contribute to team meetings to discuss progress and challenges. The work environment is typically fast-paced and collaborative, with guidance from senior developers and opportunities to learn on the job. Gaining hands-on experience through these tasks will help you build proficiency and advance in your front-end development career.

What are the key skills and qualifications needed to thrive in the Junior React Developer position, and why are they important?

To thrive as a Junior React Developer, you need a strong grasp of JavaScript, HTML, CSS, and basic React concepts, often supported by a relevant degree or coding bootcamp experience. Familiarity with development tools like Git, npm, and modern code editors, as well as APIs and basic testing frameworks, is commonly expected. Problem-solving skills, effective communication, and a willingness to learn from feedback help junior developers excel in collaborative environments. These skills ensure the ability to build, debug, and maintain user interfaces efficiently while integrating with team workflows.

What are the most commonly searched types of React Developer jobs in Delaware? The most popular types of React Developer jobs in Delaware are:
What are popular job titles related to Junior React Developer jobs in Delaware? For Junior React Developer jobs in Delaware, the most frequently searched job titles are:
What job categories do people searching Junior React Developer jobs in Delaware look for? The top searched job categories for Junior React Developer jobs in Delaware are:
What cities in Delaware are hiring for Junior React Developer jobs? Cities in Delaware with the most Junior React Developer job openings:
Junior React Developer jobs near you
Infographic showing various Junior React Developer job openings in Delaware as of July 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $89,052 per year, or $42.8 per hour.

UI Developer/ React/Node

Marencor

Wilmington, DE • On-site

$165 - $180/hr

Full-time

Re-posted 22 days ago

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.