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React Js Internship Jobs (NOW HIRING)

... internships, academic projects, or professional environments. * Proficiency in Python development ... Experience building components and managing state with React.js, and familiarity with TypeScript.

Junior Developer

Annapolis, MD · On-site

$76K - $128K/yr

... internships, academic projects, or professional environments. * Proficiency in Python development ... Experience building components and managing state with React.js, and familiarity with TypeScript.

Utilize programming languages like JavaScript, React.js, Java, HTML/CSS, TypeScript, SQL, Python ... At least 3 years of experience in software engineering (Internship experience does not apply)

New

Hands-on project or internship experience with React.js and .NET applications. * Familiarity with REST APIs and web services. * Experience with SQL Server and/or PostgreSQL in academic or project ...

New

... or internships * Familiarity with Sitecore templates, renderings, and APIs * Understanding of ... Familiarity with React.js or Next.js preferred * Experience with Azure DevOps or CI/CD pipelines ...

$26/hr

This is a part-time internship position for our Fall Rotation, from September 8, 2025 through ... Knowledge of Python programming, UNIX, Web Frameworks (HTML, CSS, React.JS, Django, etc.) , UI/UX, ...

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React Js Internship information

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How much do react js internship jobs pay per hour?

As of Aug 7, 2026, the average hourly pay for react js internship in the United States is $22.89, according to ZipRecruiter salary data. Most workers in this role earn between $18.51 and $24.28 per hour, depending on experience, location, and employer.

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

To thrive as a React Js Intern, you need a solid understanding of JavaScript, React.js fundamentals, HTML, and CSS, typically supported by coursework or personal projects. Familiarity with code versioning tools like Git, basic knowledge of RESTful APIs, and experience using development environments (such as VS Code) are common technical requirements. Strong problem-solving abilities, eagerness to learn, teamwork, and clear communication skills are vital soft skills for this position. These skills and qualities help interns quickly contribute to real-world projects, collaborate effectively with teams, and successfully develop user-friendly web applications.

What is a React JS internship?

A React.js Internship is a position designed for students or beginners to gain practical experience in building web applications using React.js. Interns typically work on front-end development, writing components, managing state, and integrating APIs under the guidance of experienced developers. This internship helps build hands-on skills, improves problem-solving abilities, and prepares candidates for full-time React.js roles in the future.

What are the typical responsibilities of a React JS intern during their internship?

As a React Js Intern, you will typically assist in developing, testing, and debugging web applications using React.js under the guidance of senior developers. Your daily tasks may include collaborating with teammates on agile project sprints, attending team meetings, writing and maintaining code, and helping integrate APIs or third-party services. You may also work on optimization and troubleshooting assignments or participate in code reviews to improve your technical skills. This hands-on exposure is designed to help you learn industry best practices, strengthen your development skills, and prepare you for future roles in front-end or full-stack development.

More about React Js Internship jobs
What cities are hiring for React Js Internship jobs? Cities with the most React Js Internship job openings:
What are the most commonly searched types of React Js jobs? The most popular types of React Js jobs are:
What states have the most React Js Internship jobs? States with the most job openings for React Js Internship jobs include:
Infographic showing various React Js Internship job openings in the United States as of August 2026, with employment types broken down into 12% Internship, 69% Full Time, 17% Part Time, 1% Temporary, and 1% Contract. Highlights an 92% Physical, 1% Hybrid, and 7% Remote job distribution, with an average salary of $47,621 per year, or $22.9 per hour.

Junior Developer

ManTech

Annapolis Junction, MD

$76K - $128K/yr

Full-time

Medical, Life, Retirement, PTO

Re-posted 18 days ago


ManTech rating

9.0

Company rating: 9.0 out of 10

Based on 14 frontline employees who took The Breakroom Quiz

33rd of 242 rated software companies


Job description

Description & Requirements
Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we've been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now-unleash your potential with MANTECH!

MANTECH seeks a motivated, career and customer-oriented Junior Developer to join our team in Annapolis Junction, MD.

The Junior Developer is part of a dynamic development team, focusing on writing efficient and maintainable code, collaborating with other developers and engineers, and contributing to the development of web applications, backend services, and automation workflows. This role provides opportunities for career growth, mentoring, and hands-on experience with modern software development tools and practices. You will primarily use Python for backend development while gaining exposure to front-end technologies and a variety of tools such as databases, React, Docker, and Ansible.

Responsibilities include but are not limited to:

  • Writing clean, maintainable, and efficient code using Python for backend services, web application logic, and developing/maintaining RESTful APIs.
  • Collaborating with senior developers to design, implement, and optimize software using Git version control practices, while participating in daily standups.
  • Implementing unit tests using frameworks like pytest and conducting code reviews to ensure application quality, performance, and smooth troubleshooting.
  • Supporting front-end development by building responsive web interfaces and components using HTML, CSS, JavaScript, React.js, and TypeScript.
  • Writing and optimizing SQL queries and designing schemas for relational databases such as PostgreSQL, MySQL, or SQLite to support backend functionality.
  • Containerizing applications using Docker and managing application images consistently across development, testing, and production environments.
  • Utilizing Ansible for automating deployment, configuration management, and performing basic Linux system administration and server troubleshooting tasks.

Minimum Qualifications:

  • Bachelor's degree in an IT related field and 1+ years of relevant experience in software development, including internships, academic projects, or professional environments.
  • Proficiency in Python development for writing scripts, backend applications, and developing or consuming RESTful APIs.
  • Experience with Git version control systems for source control management and collaborative team workflows.
  • Knowledge of SQL and experience working with relational databases such as PostgreSQL, MySQL, or SQLite.
  • Understanding of core web technologies including HTML5, CSS3, and JavaScript to build functional web pages and components.
  • Strong problem-solving, communication, and time management skills to effectively prioritize tasks and collaborate within an agile team.

Preferred Qualifications:

  • Experience building components and managing state with React.js, and familiarity with TypeScript.
  • Experience containerizing applications with Docker and managing multi-container setups using Docker Compose.
  • Exposure to automated configuration management using Ansible and basic Linux system administration or deployment troubleshooting.
  • Familiarity with CI/CD pipelines, GitLab CI, and writing unit tests with frameworks like pytest or Jest.
  • Basic understanding of cloud services (AWS, Azure, or GCP) and modern web frameworks like Vue.js, Angular, or Node.js.

Clearance Requirements:

  • An active TS/SCI with Polygraph is required to start.

Physical Requirements:

  • Must be able to remain in a stationary position 50%.
  • Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
  • Frequently communicates with co-workers, management, and customers, which may involve delivering presentations.
  • Must be able to exchange accurate information in these situations.

The projected compensation range for this position is $76,800.00-$128,300.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories.  In addition, MANTECH invests in its employees beyond just compensation.  MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.

MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.
If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.

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