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Junior Java Developer Intern Jobs in Missouri (NOW HIRING)

Workiva

$40/hr

Implement developer tools or product features under the direction of a senior developer ... Develop backend services in Java to support Global Search adoption and scalability * Assist with ...

Workiva

$40/hr

Implement developer tools or product features under the direction of a senior developer ... Develop backend services in Java to support Global Search adoption and scalability * Assist with ...

Workiva

$40/hr

Implement developer tools or product features under the direction of a senior developer ... Develop backend services in Java to support Global Search adoption and scalability * Assist with ...

Workiva

$40/hr

Implement developer tools or product features under the direction of a senior developer ... Develop backend services in Java to support Global Search adoption and scalability * Assist with ...

Workiva

$40/hr

Implement developer tools or product features under the direction of a senior developer ... Develop backend services in Java to support Global Search adoption and scalability * Assist with ...

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Junior Java Developer Intern information

What does a Junior Java Developer Intern do?

A Junior Java Developer Intern assists in the development, testing, and maintenance of Java-based applications under the supervision of senior developers. Their responsibilities typically include writing simple code, debugging software, participating in team meetings, and learning best practices in software development. The intern gains hands-on experience with Java technologies, tools, and frameworks while contributing to real-world projects. This role is designed to help interns build foundational programming skills and understand the software development lifecycle.

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

As a Junior Java Developer Intern, you can expect to assist in developing, testing, and debugging Java applications under the guidance of senior team members. Your daily tasks may include writing code, fixing bugs, participating in code reviews, and collaborating with other developers and departments such as QA or DevOps. Interns often get exposure to real-world projects that contribute to the organization's products or services, providing valuable experience with tools like version control systems and agile methodologies. This hands-on involvement is designed to help you build both technical and teamwork skills in a professional setting.

What are the key skills and qualifications needed to thrive as a Junior Java Developer Intern, and why are they important?

To thrive as a Junior Java Developer Intern, you need a solid understanding of Java programming, basic knowledge of object-oriented design, and a relevant degree or coursework in computer science or software engineering. Familiarity with IDEs like Eclipse or IntelliJ IDEA, version control systems such as Git, and introductory experience with build tools like Maven is typical. Strong problem-solving, eagerness to learn, and effective communication skills help interns collaborate and adapt in a team environment. These skills and qualities are important because they enable rapid learning, effective contribution to projects, and smooth integration into development teams.

What is the difference between Junior Java Developer Intern vs Junior Java Developer?

AspectJunior Java Developer InternJunior Java Developer
Required CredentialsBasic understanding of Java, coursework, or related internship experienceProven Java skills, possibly some certifications or coursework completed
Work EnvironmentInternship programs, learning-focused, entry-level projectsFull-time role, more responsibility, involved in ongoing projects
Employer & Industry UsageInternship positions in tech companies, startups, or software firmsEntry-level full-time positions in similar industries
Search & Comparison IntentUnderstanding internship differences, entry-level opportunitiesCareer progression, job responsibilities, skill requirements

The main difference between a Junior Java Developer Intern and a Junior Java Developer lies in experience and responsibilities. Interns are typically students or recent graduates gaining practical experience, while Junior Developers are full-time employees with more responsibilities and ongoing projects. Internships serve as a stepping stone toward a full developer role, which requires more skills and commitment.

What are popular job titles related to Junior Java Developer Intern jobs in Missouri?

For Junior Java Developer Intern jobs in Missouri, the most frequently searched job titles are:

What job categories do people searching Junior Java Developer Intern jobs in Missouri look for?

The top searched job categories for Junior Java Developer Intern jobs in Missouri are:

Junior Java Developer Intern jobs near you
Infographic showing various Junior Java Developer Intern job openings in Missouri as of August 2026, with employment types broken down into 86% Full Time, 3% Part Time, and 11% Contract. Highlights an 81% Physical, 5% Hybrid, and 14% Remote job distribution.

Intern - Electrical Engineer (Summer 2027)

Saint Louis, MO • On-site

CDG Engineers Inc
Engineering Professional Services • 51 - 200 employees
Learn more about CDG Engineers Incexternal

$17.50 - $23/hr

Temporary, Internship

Posted 8 days ago

Job description

Job Type
Internship
Description
As an Intern Electrical Engineer at CDG Engineers, you will be a key player in developing innovative solutions to complex engineering challenges. You will work alongside the EE team to design and implement electrical systems for a variety of industries, including power utilities, renewable energy, and heavy industrial. Your ability to learn new technologies quickly and your commitment to quality will be essential to your success in this role. Start Date: End of May 2027
Requirements for the role:
  • Bachelor's degree in Electrical Engineering - currently enrolled in school as a Junior graduating in 2029, or a Senior graduating in 2028.
  • Demonstrated class/academic expertise in any core area of:
    • T&D Substation design
    • Renewable Energy - Solar, BESS, Electrification
    • Power Engineering with a focus on heavy industrial systems
    • Automation Engineering or Programming - PLC, DCS, or SCADA Systems
    • System Relaying
  • Working ability with AutoCAD, Revit, or similar design tools preferred.
  • Working knowledge of PVsyst or similar solar design software
  • Working knowledge of SKM, ETAP, or similar electrical modeling software preferred.
  • Working knowledge of electric utility industry and environmental issues

Why CDG Engineers?
CDG Engineers, Inc. is a full-service, multi-discipline professional services organization based in St Louis, MO, with capabilities in civil, structural, electrical, and mechanical engineering, as well as architecture. The firm provides planning, engineering, architectural design, and construction administration services across various industries and sectors.
CDG Engineers is registered in multiple states across the U.S., offering complete in-house professional engineering and architectural services. The firm has a strong reputation for delivering practical and cost-effective solutions for a wide range of projects within the United States.
CDG is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to sex, race, color, religion, national origin, age, marital status, political affiliation, sexual orientation, genetic information, gender identity, disability, protected veteran status, or any other characteristic protected by law.
Work Authorization: CDG is not currently offering sponsorship for this role. This includes both temporary visa or permanent visa situations that exist now or in the future, such as: F-1, OPT, CPT, H1, H2, L1, TN, etc.
Agencies:
This role is currently not open to agencies or third-party vendors at this time.

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