1

React Developer Intern Jobs in Pennsylvania (NOW HIRING)

React Developer Intern information

What types of projects and tasks can I expect to work on as a React Developer Intern?

As a React Developer Intern, you'll often collaborate with team members to build and enhance web applications using the React framework. Your daily tasks may include writing and testing components, fixing bugs, and participating in code reviews. Interns are typically assigned smaller features or user interface improvements, but you may also assist with integrating APIs or optimizing app performance. The environment is usually supportive, offering mentorship and opportunities to learn best practices in modern frontend development.

What are the key skills and qualifications needed to thrive as a React Developer Intern?

To thrive as a React Developer Intern, you need a solid understanding of JavaScript, React fundamentals, HTML, CSS, and basic software development principles, often gained through coursework or self-study. Familiarity with version control systems like Git, code editors such as VS Code, and package managers like npm or yarn is typically expected. Strong problem-solving abilities, eagerness to learn, and effective communication skills help interns stand out in collaborative tech environments. These skills and qualities are crucial for efficiently building user interfaces, adapting to new technologies, and contributing to team projects.

What does a React Developer Intern do?

A React Developer Intern assists in building and maintaining web applications using the React.js library. They typically work under the guidance of senior developers to implement user interfaces, fix bugs, and write clean, reusable code. Interns may also participate in code reviews, testing, and learning about front-end development best practices. This role is ideal for students or recent graduates looking to gain practical experience in web development.

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

AspectReact Developer InternFront-End Developer
Required CredentialsTypically pursuing or recent graduate in CS or related fieldUsually requires a degree or equivalent experience in web development
Work EnvironmentInternship setting, often part-time or temporaryFull-time or contract roles in various industries
Employer & Industry UsageTech companies, startups, agenciesBroad across industries including tech, finance, e-commerce
Common Search & ComparisonYesYes

The React Developer Intern role is typically an entry-level, temporary position aimed at gaining hands-on experience with React.js. In contrast, a Front-End Developer is a more established role requiring broader skills in web technologies and often involves ongoing responsibilities. Both roles share similar credentials and work environments, but differ mainly in experience level and job permanence.

What are the most commonly searched types of React Developer jobs in Pennsylvania? The most popular types of React Developer jobs in Pennsylvania are:
What cities in Pennsylvania are hiring for React Developer Intern jobs? Cities in Pennsylvania with the most React Developer Intern job openings:
Infographic showing various React Developer Intern job openings in Pennsylvania as of August 2026, with employment types broken down into 77% Full Time, 8% Part Time, and 15% Contract. Highlights an 81% Physical, 4% Hybrid, and 15% Remote job distribution.

Full-time

Re-posted 4 days ago


Job description

The AI & Data Science Engineering Intern will support cutting-edge projects at the intersection of software engineering, applied AI, and materials innovation. The intern will work on initiatives that combine agentic AI workflows, computer vision, and data science to accelerate research and development in construction materials. The role includes building end-to-end prototypes that integrate backend services, AI models, and user interfaces to drive digital transformation across the organization.

Duties and Responsibilities:

  • Assist in the design and development of agentic AI workflows, integrating large language models with data sources and multi-agent orchestration.
  • Develop and maintain backend APIs and services using frameworks such as FastAPI to support AI and data science applications.
  • Build interactive dashboards and prototypes with Streamlit, Reflex, or similar tools for internal stakeholders.
  • Contribute to computer vision workflows, such as SEM image analysis and defect detection, to automate materials characterization.
  • Perform data wrangling, exploratory analysis, and statistical modeling to uncover insights from experimental, operational, and customer datasets.
  • Collaborate with the team to design, implement, and test machine learning models (regression, clustering, NLP, computer vision).
  • Document methodologies, maintain reproducible codebases, and present results to both technical and business stakeholders.
  • Stay current with emerging tools, frameworks, and best practices in agentic AI, software engineering, computer vision, and data science.

Qualification:

  • Currently pursuing a Master's or PhD in Computer Science, Data Science, Engineering, or a related field from an accredited university with a minimum 3.0 GPA.
  • Strong programming skills in Python with experience in libraries such as pandas, scikit-learn, OpenCV, TensorFlow/PyTorch.
  • Experience with backend frameworks (FastAPI, Flask, Django) and frontend/UI tools (Streamlit, Reflex, React-based).
  • Familiarity with LLMs, agentic AI frameworks, or orchestration tools (LangChain, LlamaIndex, or custom pipelines).
  • Solid understanding of machine learning and computer vision principles.
  • Interest in applying AI/ML to industrial and materials science challenges.

Additional Information:

Work Location: Carlisle, PA. No travel required. Remote work is not available for this position.

#LI-BR1