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Internship Junior Web3 Developer Jobs (NOW HIRING)

MANTECH

Junior Developer

Annapolis Junction, MD · On-site

$68K - $88K/yr

The Junior Developer is part of a dynamic development team, focusing on writing efficient and ... internships, academic projects, or professional environments. * Proficiency in Python development ...

Leidos

Relay Settings Engineer

Framingham, MA · On-site +1

$57K - $104K/yr

Position is open to entry level/junior candidates with one plus years of relay experience or an engineering internship. Junior candidates must be able to work a hybrid schedule in either Framingham ...

Saalex

Junior Software Developer

Lexington Park, MD · On-site

$75K - $85K/yr

Greenfield Engineering, a Saalex Company is seeking Junior Software Developer in Patuxent River, MD ... internship experience in software development Security Clearance: Active Top Secret clearance ...

Form 10 Group Inc

Junior ServiceNow Developer

Tampa, FL · On-site

$60K - $70K/yr

Junior Developer Department: IT FLSA Classification: Exempt Reports To: Director of IT ROLE SUMMARY ... can include internships, bootcamps, or personal projects) * Understanding of JavaScript ...

Saalex

Junior Software Developer

Lexington Park, MD · On-site

$75K - $85K/yr

Greenfield Engineering, a Saalex Company is seeking Junior Software Developer in Patuxent River, MD ... internship experience in software development Security Clearance: Active Top Secret clearance ...

Saalex

Junior Software Developer

Lexington Park, MD · On-site

$75K - $85K/yr

Greenfield Engineering, a Saalex Company is seeking Junior Software Developer in Patuxent River, MD ... internship experience in software development Security Clearance: Active Top Secret clearance ...

Aechelon Technology

We are currently seeking students who have attained Sophomore or Junior Status in Computer Science or Computer Engineering programs to join our Summer Internship program. In addition to technical ...

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How much do internship junior web3 developer jobs pay per year?

As of Aug 21, 2026, the average yearly pay for internship junior web3 developer in the United States is $88,976.00, according to ZipRecruiter salary data. Most workers in this role earn between $67,000.00 and $87,000.00 per year, depending on experience, location, and employer.
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Internship Junior Web3 Developer jobs near you
Infographic showing various Internship Junior Web3 Developer job openings in the United States as of August 2026, with employment types broken down into 82% Full Time, 2% Part Time, and 16% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution, with an average salary of $88,976 per year, or $42.8 per hour.

Junior Developer

MANTECH

Annapolis Junction, MD • On-site

$68K - $88K/yr

Other

This job post has expired 1 day ago. Applications are no longer accepted.

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

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.

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