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Junior Java Developer Intern Jobs in Missouri (NOW HIRING)

Pro Energy Services

Co-Op Design Engineering Intern

Sedalia, MO · On-site

$15.25 - $19.75/hr

V - Design Engineering Intern About PROENERGY PROENERGY is an engineering, R&D, and manufacturing ... Enroll in an undergraduate Mechanical/Aerospace Engineering program and have a Junior/Senior status ...

Leonardo DRS

Electrical Engineer Intern

Bridgeton, MO · On-site

$41K - $53K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Job Summary Leonardo DRS Land Systems is seeking a Summer Electrical Engineer Intern for our ... High School Diploma or GED, and currently a Junior or above in a Bachelor's program in Electrical ...

Leonardo DRS

Electrical Engineer Intern

Bridgeton, MO

$41K - $53K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Job Summary Leonardo DRS Land Systems is seeking a Summer Electrical Engineer Intern for our ... High School Diploma or GED, and currently a Junior or above in a Bachelor's program in Electrical ...

Leonardo DRS

Electrical Engineer Intern

Bridgeton, MO · On-site

$41K - $53K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Job Summary Leonardo DRS Land Systems is seeking a Summer Electrical Engineer Intern for our ... High School Diploma or GED, and currently a Junior or above in a Bachelor's program in Electrical ...

Leonardo DRS

Quality Software Engineer Intern

Bridgeton, MO

$41K - $53K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Job Summary Leonardo DRS Land Systems is seeking a Summer Quality Engineer Intern for our Bridgeton ... High School Diploma or GED, and currently a Junior or above in a Bachelor's program in Software or ...

Leonardo DRS

Quality Software Engineer Intern

Bridgeton, MO · On-site

$41K - $53K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Job Summary Leonardo DRS Land Systems is seeking a Summer Quality Engineer Intern for our Bridgeton ... High School Diploma or GED, and currently a Junior or above in a Bachelor's program in Software or ...

Danaher

Software Engineer Internships

Saint Louis, MO · On-site

As a Software Engineering Intern at Danaher, you'll work alongside experienced engineers developing ... Writing and debugging code in languages such as C#, Java, Python, or C++ * Participating on an ...

Danaher

As a Software Engineering Intern at Danaher, you'll work alongside experienced engineers developing ... Writing and debugging code in languages such as C#, Java, Python, or C++ * Participating on an ...

Danaher

As a Software Engineering Intern at Danaher, you'll work alongside experienced engineers developing ... Writing and debugging code in languages such as C#, Java, Python, or C++ * Participating on an ...

Danaher

Software Engineer Internships

Kansas City, MO · On-site

As a Software Engineering Intern at Danaher, you'll work alongside experienced engineers developing ... Writing and debugging code in languages such as C#, Java, Python, or C++ * Participating on an ...

Danaher

Software Engineer Internships

Independence, MO · On-site

As a Software Engineering Intern at Danaher, you'll work alongside experienced engineers developing ... Writing and debugging code in languages such as C#, Java, Python, or C++ * Participating on an ...

Danaher

Software Engineer Internships

Springfield, MO · On-site

As a Software Engineering Intern at Danaher, you'll work alongside experienced engineers developing ... Writing and debugging code in languages such as C#, Java, Python, or C++ * Participating on an ...

Danaher

Software Engineer Internships

Columbia, MO · On-site

As a Software Engineering Intern at Danaher, you'll work alongside experienced engineers developing ... Writing and debugging code in languages such as C#, Java, Python, or C++ * Participating on an ...

Staffingine LLC

WCS Developer

Springfield, MO · On-site

Provide technical leadership and mentoring to junior engineers Required Skills: * Minimum 8 years ... HTML/HTML5,J2EE,Java,JavaScript,MySQL,Apache Struts, HCL Commerce, Java Server Pages (JSP ...

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All JobsJava Developer Intern JobsJunior Java Developer Intern JobsJunior Java Developer Intern Jobs in Missouri

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 the most commonly searched types of Junior Java Developer jobs in Missouri?

The most popular types of Junior Java Developer jobs in Missouri are:

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:

What cities in Missouri are hiring for Junior Java Developer Intern jobs?

Cities in Missouri with the most Junior Java Developer Intern job openings:

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 79% Full Time, 3% Part Time, and 18% Contract. Highlights an 81% Physical, 4% Hybrid, and 15% Remote job distribution.

Co-Op Design Engineering Intern

Pro Energy Services

Sedalia, MO • On-site

$15.25 - $19.75/hr

Full-time, Internship

Re-posted 9 days ago

Job description

V - Design Engineering Intern
About PROENERGY
PROENERGY is an engineering, R&D, and manufacturing powerhouse. The company addresses every need for fast-start power generation: turbine and package manufacturing, turnkey project execution, power purchase agreements, and asset lifecycle care for turbines and plants. Where others see impossible energy challenges, PROENERGY provides innovative aeroderivative solutions.
Our Footprint
PROENERGY delivers fast-start, dispatchable power solutions from worldwide centers for aeroderivative excellence. We are investing more than $1 billion through 2028 in infrastructure to serve our customers.
In Sedalia, Missouri, our 600,000 sq ft Center for Excellence in Manufacturing-a world-class investment in fast-start power and the only campus of its kind in the world-is growing by 40 percent.
In Houston, Texas, our 500,000 sq ft Center for Excellence in Lifecycle Care features a Level-IV depot and aero repair facility, which executes comprehensive services for aeroderivative engines under one roof.
In Kansas City, we have an office with an Engineering team that supports our sought-after solutions for turnkey projects and contracted power.
And our worldwide service centers ensure local service expertise near our customers. Our expanding service footprint includes Phoenix, Buenos Aires, New Brunswick, and additional locations in Europe, Australia, and Southeast Asia.
Position Summary
The Design Engineering Internship role, you will be assisting the Design Engineering Team in the creation of innovative solutions in Aero Turbine Component through reverse engineering tools. Tasks may include many aspects of design concept (SolidWorks or CREO), mechanical analyses (hand-calculations, ANSYS, etc.), mechanical drawings (GD&T), material analysis (heat treatment, etc.), and manufacturing processes (welding, shotpeen, coating, etc.).
This internship is expected to begin in August and may continue through December. However, the duration of the internship is subject to project requirements, business demands, and organizational needs.
Reports To: Director Engineering
Work Location:2001 Proenergy Blvd, Sedalia, MO 65301 or 6401 North Eldridge Pkwy, Houston, TX 77041
Position Responsibilities
  • Reverse engineering of OEM hardware, create drawings with the understanding of manufacturing processes.
  • Assist engineers with hand-calculation and finite element analysis of the hardware.
  • Validate drawing changes with the redline drawings to ensure that every requests are captured.
  • Analyze data and contribute to root cause investigations of field failures.
  • Collaborate with cross-functional teams including quality, operations, supply chains and repair engineering.
  • Use ASANA to help engineers to update their projects.

Required Qualifications
  • Enroll in an undergraduate Mechanical/Aerospace Engineering program and have a Junior/Senior status by Summer.
  • Strong analytical and problem-solving skills.
  • Effective written and verbal communication abilities.
  • Must be able to speak, read, and write English fluently.
  • US work authorization is a precondition of employment. The company will not consider candidates who require sponsorship for a work-authorized visa.
  • Successful candidate will need to satisfactorily complete pre-employment drug screen and background check

It is PROENERGY's policy to provide equal opportunity in employment to all its employees and applicants for employment without regard to race, color, religion, sex, pregnancy, age, disability, national origin, marital status, ancestry, medical condition, military status, or any other characteristic protected by State or Federal law.

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