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Frontend Development Intern Jobs in Princeton, NJ

N1

Software Engineer Intern (Fullstack)

New York, NY · On-site

An eye for good front-end design * Strong experience with React/TypeScript/NodeJS/Next, and ... Experience with a wide array of technical expertises and software development processes * Strong ...

KPF

Data & Systems Developer Intern

New York, NY · On-site

$22 - $25/hr

... in API integrations Web Development & Internal Tools * Contribute to simple internal web ... Help build basic frontend interfaces (HTML/CSS/JavaScript) to expose data and tools to internal ...

Uncountable

Full-Stack Intern

New York, NY · On-site

$6.0K/mo

Our goal is to revolutionize industrial research and development. We're looking for motivated ... Frontend: React (Typescript), Redux, Sass What's next? Learn more about Interviewing at Uncountable ...

All JobsFrontend Development Intern JobsFrontend Development Intern Jobs in Princeton, NJ

Frontend Development Intern information

See Princeton, NJ salary details

$9

$17

$25

How much do frontend development intern jobs pay per hour?

As of Aug 1, 2026, the average hourly pay for frontend development intern in Princeton, NJ is $17.86, according to ZipRecruiter salary data. Most workers in this role earn between $15.10 and $20.14 per hour, depending on experience, location, and employer.

What does a Frontend Development Intern do?

A Frontend Development Intern assists in building and maintaining the user-facing parts of websites or web applications. They typically work with technologies like HTML, CSS, and JavaScript to create interactive and visually appealing interfaces. Interns may also help debug code, test features, and collaborate with designers and backend developers to ensure a seamless user experience. This role is a great opportunity to gain hands-on experience and learn modern frontend frameworks such as React or Angular.

What is the difference between Frontend Development Intern vs Frontend Developer?

AspectFrontend Development InternFrontend Developer
CredentialsTypically pursuing or recently completed relevant coursework or degreeFormal degree or equivalent experience in computer science or related field
Work EnvironmentInternship programs, entry-level projects, supervised tasksFull-time or part-time professional roles, independent project handling
Industry UsageCommon in tech companies, startups, and agencies for training purposesCore role in software development teams across industries
Search & Comparison IntentUnderstanding entry-level opportunities and learning pathsSeeking full-time employment or career advancement

The main difference between a Frontend Development Intern and a Frontend Developer lies in experience, responsibilities, and career stage. Interns are usually students or recent graduates gaining practical experience under supervision, while developers are full-time professionals responsible for building and maintaining web interfaces independently. Both roles are essential in the tech industry, but they serve different purposes in career development and project execution.

What types of projects and technologies can a Frontend Development Intern expect to work with during their internship?

As a Frontend Development Intern, you will typically work on real-world web or mobile applications using technologies like HTML, CSS, JavaScript, and popular frameworks such as React or Angular. Projects may include building user interfaces, implementing responsive designs, fixing bugs, and collaborating with designers and backend developers. Interns often participate in code reviews, agile meetings, and version control using Git, gaining hands-on experience in modern development workflows. This exposure helps interns build a strong foundation in both technical and teamwork skills, preparing them for more advanced roles in the future.

What are the key skills and qualifications needed to thrive as a Frontend Development Intern, and why are they important?

To thrive as a Frontend Development Intern, you need a solid grasp of HTML, CSS, and JavaScript, along with a foundational understanding of responsive web design and version control systems like Git. Familiarity with frameworks such as React or Angular, and tools like npm or webpack, can be highly beneficial. Strong problem-solving skills, attention to detail, and effective communication help interns collaborate within teams and learn quickly. These skills and qualities are crucial for building user-friendly interfaces and adapting to the fast-paced demands of web development.
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Frontend Development Intern jobs near you

SKILLBRIDGE INTERNSHIP - Front-end Software Developer

Trinity IT

Yardley, PA • On-site

$100K - $116K/yr

Full-time, Internship

Re-posted 6 days ago

Job description

As a SkillBridge Front End Developer Intern, you will be responsible for assisting in the creation and maintenance of visually appealing and user-friendly web applications. Your primary focus will be on implementing designs provided by the UI/UX team, ensuring seamless user experiences, and contributing to the overall success of our digital projects. This is an excellent opportunity for a passionate and aspiring Junior Front End Developer to grow their skills and contribute to exciting projects.
Responsibilities:
  • Front End Development: Collaborate with the design and development teams to convert design mock-ups and wire frames into responsive and functional web pages using HTML, CSS, and JavaScript.
  • User Interface (UI) Implementation: Ensure the timely implementation of UI components, styles, and interactions to deliver an aesthetically pleasing and intuitive user interface.
  • Cross-Browser and Device Compatibility: Optimize web applications to ensure seamless performance across different browsers, devices, and screen sizes.
  • Code Maintenance: Assist in maintaining and updating existing codebases to improve performance, fix bugs, and enhance user experiences.
  • Performance Optimization: Work with the team to identify and implement front end performance improvements to achieve faster load times and smoother interactions.
  • Collaboration: Collaborate with back end developers and other team members to integrate front end components with server-side logic, databases, and APIs.
  • Quality Assurance: Participate in testing and debugging processes to identify and resolve issues, ensuring the delivery of high-quality web applications.
  • Learning and Growth: Stay up-to-date with the latest front end development trends, tools, and best practices to continuously enhance your skills and knowledge.

Skills and Qualifications:
  • Requires SkillBridge Eligibility:
    • Have 180 days of service or fewer remaining prior to your date of discharge and you have at least 180 continuous days of active service.
    • Obtain approval from your unit commander.
    • Agree that participation in SkillBridge can be terminated at any time by the service if mission requirements dictate.
  • Educational Background: A degree or diploma in Computer Science, Web Development, or a related field is preferred, but not mandatory. Relevant practical experience and self-learning will also be considered.
  • Proficiency in Front End Technologies: Solid understanding of HTML, CSS, and JavaScript, as well as basic familiarity with front end frameworks and libraries (e.g., React, Angular, Vue.js).
  • Responsive Design: Ability to create responsive web layouts that adapt seamlessly to various screen sizes and devices.
  • Problem-Solving Skills: Strong analytical and problem-solving abilities to effectively tackle coding challenges and find innovative solutions.
  • Team Player: A collaborative mindset with excellent communication skills to work effectively within a diverse development team.
  • Attention to Detail: A keen eye for detail to ensure pixel-perfect implementation of design elements.
  • Time Management: Ability to manage tasks efficiently, prioritize work effectively, and meet project deadlines.
    Trinity IT offers a competitive salary, an extensive benefits package and a work environment that encourages excellence. Applicants selected will be subject to a government security investigation and must meet eligibility requirements for access to classified information. Trinity IT is an equal opportunity employer that does not discriminate in employment. All qualified applicants will receive consideration for employment without regard to their race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or protected class.

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