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Javascript Developer Internship Jobs in Washington

ManTech

Junior Developer

Annapolis Junction, MD

$76K - $128K/yr

  • Medical

  • Life

  • Retirement

  • PTO

... internships, academic projects, or professional environments. * Proficiency in Python development ... Understanding of core web technologies including HTML5, CSS3, and JavaScript to build functional ...

Beth Page tech

Software Engineer

Maryland City, MD · Remote

Basic programming experience (e.g., internships, academic projects, or professional work). * Familiarity with at least one programming language (e.g., Python, Java, C++, JavaScript, etc.). * Strong ...

Capital One

Lead Software Engineer

Mclean, VA

Utilize programming languages like JavaScript, Java, HTML/CSS, TypeScript, SQL, Python, and Go ... At least 4 years of experience in software engineering (Internship experience does not apply) * At ...

Capital One

Lead Software Engineer

Mclean, VA · On-site

Utilize programming languages like JavaScript, Java, HTML/CSS, TypeScript, SQL, Python, and Go ... At least 4 years of experience in software engineering (Internship experience does not apply) * At ...

Capital One

Lead Software Engineer

Mclean, VA · On-site

Utilize programming languages like JavaScript, Java, HTML/CSS, TypeScript, SQL, Python, and Go ... At least 4 years of experience in software engineering (Internship experience does not apply) * At ...

Capital One

Lead Software Engineer

Mclean, VA · On-site

Utilize programming languages like JavaScript, Java, HTML/CSS, TypeScript, SQL, Python, and Go ... At least 4 years of experience in software engineering (Internship experience does not apply) * At ...

Capital One

Lead Software Engineer

Mclean, VA · On-site

Utilize programming languages like JavaScript, Java, HTML/CSS, TypeScript, SQL, Python, and Go ... At least 4 years of experience in software engineering (Internship experience does not apply) * At ...

Capital One

Lead Software Engineer

Mclean, VA · On-site

Utilize programming languages like JavaScript, Java, HTML/CSS, TypeScript, SQL, Python, and Go ... At least 4 years of experience in software engineering (Internship experience does not apply) * At ...

Capital One

Lead Software Engineer

Mclean, VA · On-site

Utilize programming languages like JavaScript, Java, HTML/CSS, TypeScript, SQL, Python, and Go ... At least 4 years of experience in software engineering (Internship experience does not apply) * At ...

Capital One

Lead Software Engineer

Mclean, VA

Utilize programming languages like JavaScript, Java, HTML/CSS, TypeScript, SQL, Python, and Go ... At least 4 years of experience in software engineering (Internship experience does not apply) * At ...

Capital One

Lead Software Engineer

Mclean, VA · On-site

Utilize programming languages like JavaScript, Java, HTML/CSS, TypeScript, SQL, Python, and Go ... At least 4 years of experience in software engineering (Internship experience does not apply) * At ...

Capital One

Lead Software Engineer

Mclean, VA · On-site

Utilize programming languages like JavaScript, Java, HTML/CSS, TypeScript, SQL, Python, and Go ... At least 4 years of experience in software engineering (Internship experience does not apply) * At ...

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Javascript Developer Internship information

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$5

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How much do javascript developer internship jobs pay per hour?

As of Aug 18, 2026, the average hourly pay for javascript developer internship in Washington is $24.59, according to ZipRecruiter salary data. Most workers in this role earn between $19.13 and $29.23 per hour, depending on experience, location, and employer.

What does a Javascript developer intern do?

A Javascript Developer Intern assists in designing, developing, and testing web applications using JavaScript and related technologies. Their responsibilities often include writing code, fixing bugs, learning modern frameworks like React or Node.js, and collaborating with senior developers on various projects. Interns gain hands-on experience, improve their programming skills, and learn how to work in a professional software development environment. This role is ideal for students or recent graduates looking to start a career in web development.

What types of projects and tasks can I expect to work on during a Javascript developer internship?

As a Javascript Developer Intern, you'll typically be involved in a variety of tasks ranging from building interactive web components and debugging code to collaborating on front-end features with senior developers. Interns often participate in code reviews, write unit tests, and contribute to both new and ongoing projects using modern frameworks like React, Vue, or Angular. You'll also have opportunities to learn best practices in version control (such as Git) and agile development methodologies. This hands-on experience will help you develop both technical and teamwork skills essential for a career in web development.

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

To thrive as a Javascript Developer Intern, you need a solid understanding of JavaScript fundamentals, HTML, CSS, and basic programming concepts, typically demonstrated through coursework, personal projects, or a relevant degree in computer science or a related field. Familiarity with development tools such as Git, code editors (VS Code), and frameworks like React or Node.js is often expected. Strong problem-solving abilities, eagerness to learn, and effective communication make an intern stand out. These skills and qualities are crucial for adapting to real-world development environments, collaborating with teams, and contributing valuable work during the internship.

What is the difference between Javascript Developer Internship vs Javascript Developer?

AspectJavascript Developer InternshipJavascript Developer
Required CredentialsTypically students or recent graduates, some coding knowledgeProfessional experience, often a degree in Computer Science or related field
Work EnvironmentInternship programs, entry-level projects, mentorshipFull-time employment, team-based projects, ongoing responsibilities
Employer & Industry UsageTech companies, startups, internships for skill developmentTech firms, software companies, industry standard role
Search & Comparison IntentLearning, entry-level opportunities, internshipsCareer advancement, full-time roles, skill application

The main difference between a Javascript Developer Internship and a Javascript Developer is the experience level and employment status. Internships are designed for students or recent graduates seeking hands-on experience, often with mentorship, while Javascript Developers are full-time professionals responsible for developing and maintaining software projects. Internships serve as a stepping stone into the industry, whereas full-time roles require more experience and responsibility.

What are the most commonly searched types of Javascript Developer jobs in Washington?

The most popular types of Javascript Developer jobs in Washington are:

What are popular job titles related to Javascript Developer Internship jobs in Washington?

For Javascript Developer Internship jobs in Washington, the most frequently searched job titles are:

What job categories do people searching Javascript Developer Internship jobs in Washington look for?

The top searched job categories for Javascript Developer Internship jobs in Washington are:

What cities in Washington are hiring for Javascript Developer Internship jobs?

Cities in Washington with the most Javascript Developer Internship job openings:

Javascript Developer Internship jobs near you
Infographic showing various Javascript Developer Internship job openings in Washington as of July 2026, with employment types broken down into 81% Full Time, 6% Part Time, and 13% Contract. Highlights an 83% Physical, 4% Hybrid, and 13% Remote job distribution, with an average salary of $51,152 per year, or $24.6 per hour.

Junior Developer

ManTech

Annapolis Junction, MD

$76K - $128K/yr

Full-time

Medical, Life, Retirement, PTO

Re-posted just now

ManTech rating

9.0

Company rating: 9.0 out of 10

Based on 14 frontline employees who took The Breakroom Quiz

33rd of 245 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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