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Java Programmer Internship Jobs in Saint Louis, MO

CACI

Junior Application Developer

Saint Louis, MO · On-site

$53K - $106K/yr

Junior Application Developer Job Category: Information Technology Time Type: Full time Minimum ... Experience developing software using Java, Python, or both (academic, internship, or professional)

Ameren Services

Digital Co-op

Saint Louis, MO · Hybrid

$21 - $30/hr

Within our Digital department, we host dozens of interns and co-ops annually. Our collegiate co ... Programming & scripting languages (e.g. .NET, SQL, COBOL, Java, C#, typescript, Java script, HTML ...

Ameren Services

Digital Co-op

Saint Louis, MO · On-site

$21 - $30/hr

Within our Digital department, we host dozens of interns and co-ops annually. Our collegiate co ... Programming & scripting languages (e.g. .NET, SQL, COBOL, Java, C#, typescript, Java script, HTML ...

AMS Ameren Services

Digital Co-op

Saint Louis, MO · Hybrid

$21 - $30/hr

Within our Digital department, we host dozens of interns and co-ops annually. Our collegiate co ... Programming & scripting languages (e.g. .NET, SQL, COBOL, Java, C#, typescript, Java script, HTML ...

Leidos

Data Engineering & Analytics Intern

Shiloh, IL

$40K - $72K/yr

A foundational understanding of software development with Python, Java, or SQL, and a working ... This internship is basedon-site at Scott AFB, Illinois.All work must be performed on site - no ...

Leidos

Data Engineering & Analytics Intern

Shiloh, IL · On-site

$40K - $72K/yr

A foundational understanding of software development with Python, Java, or SQL, and a working ... This internship is based on-site at Scott AFB, Illinois. All work must be performed on site - no ...

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Java Programmer Internship information

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How much do java programmer internship jobs pay per hour?

As of Sep 12, 2026, the average hourly pay for java programmer internship in Saint Louis, MO is $53.65, according to ZipRecruiter salary data. Most workers in this role earn between $46.06 and $61.01 per hour, depending on experience, location, and employer.

What is a java programmer internship?

A Java Programmer Internship is a temporary position designed for students or entry-level developers to gain hands-on experience in Java programming. Interns typically work on real-world projects, assisting in coding, debugging, testing, and maintaining Java applications. They collaborate with senior developers, learn industry best practices, and enhance their technical skills. This internship helps build a strong foundation for a career in software development by providing practical exposure to Java frameworks, tools, and development environments.

What kinds of projects or tasks do java programmer interns typically work on?

As a Java Programmer Intern, you can expect to work on a variety of tasks such as writing and testing code, fixing bugs, assisting with feature development, and supporting larger software projects under the guidance of experienced developers. Interns often participate in code reviews and team meetings to understand workflow and best practices. You'll likely have opportunities to collaborate with team members in both individual and group assignments, allowing you to apply your academic knowledge to practical scenarios. This hands-on experience is designed to help you build your programming skills and gain insight into professional software development processes.

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

To thrive as a Java Programmer Intern, you should have a solid understanding of Java programming fundamentals, object-oriented design, and basic data structures, usually supported by coursework or academic projects. Familiarity with development tools such as Eclipse or IntelliJ IDEA, source control systems like Git, and basic knowledge of SQL or web technologies is often expected. Strong problem-solving skills, eagerness to learn, attention to detail, and effective communication will help you stand out in a collaborative environment. These abilities ensure you can contribute to real-world coding tasks, adapt quickly to new challenges, and integrate smoothly within a team.

What are popular job titles related to Java Programmer Internship jobs in Saint Louis, MO?

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Java Programmer Internship jobs near you
Infographic showing various Java Programmer Internship job openings in Saint Louis, MO as of September 2026, with employment types broken down into 14% Internship, 1% As Needed, 68% Full Time, 16% Part Time, and 1% Contract. Highlights an 77% Physical, 2% Hybrid, and 21% Remote job distribution, with an average salary of $111,582 per year, or $53.6 per hour.

Embedded Software Engineer Intern

Bridgeton, MO • On-site

Leonardo DRS
Navigational, Measuring, Electromedical, and Control Instruments Manufacturing • 5 - 10K employees
Learn more about Leonardo DRSexternal

$41K - $53K/yr

Full-time, Internship

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 6 days ago

Key responsibilities

  • Assist in software development by coding in C, C++, C#, Java, or Python to complete assignments.

  • Support engineers by conducting basic testing, gathering data, and helping with design analysis and calculations.

  • Collaborate with the software engineering team to carry out various engineering activities and complete assigned tasks.

Leonardo DRS rating

8.2

Company rating: 8.2 out of 10

Based on 57 frontline employees who took The Breakroom Quiz

Job description

Job ID: 115031
The Leonardo DRS Land Systems business is a recognized leader in the design and integration of complex technologies into new and legacy systems and platforms for global military and commercial customers. We are a 6 year running Top Workplace in the Greater St. Louis area.
Job Summary
Leonardo DRS Land Systems is seeking an Embedded Software Engineer Intern for Summer 2026 to help our Software Engineering (SW) team meet the technical performance requirements on complex system development programs. This position will be working on a variety of programs and writing (C,C++,C#, Java and Python) software that runs on the hardware we develop. The position will also execute an interdisciplinary process to ensure that the customer and stakeholder needs and requirements are satisfied in a high quality, trustworthy, cost efficient, and schedule compliant manner. The purpose of the internship is to provide meaningful professional hands-on experience to students with proven academic performance and leadership potential. Students will also get to utilize our companies flexible work schedule.
Job Responsibilities
  • Work under the direction of the Software Engineering Manager, Software Engineering Technical Director, and Lead Software Engineers on various Software Engineering activities
  • May code using C/C++/C#/Java to complete coding assignments
  • Source code management of new and/or modified code
  • May use MATLAB and/or Simulink software in the performance of assignments
  • Work closely with and assist engineers in the conduct of various engineering assignments
  • Carry out basic work instructions that will help in understanding the fundamentals of the Company and also learn new things
  • Conduct limited scope testing under the supervision of engineers
  • Complete assigned tasks on time
  • Gather and assemble data for engineers
  • May be required to help in research in a particular field
  • Conduct design analysis and/or calculations under the supervision of engineers
  • Assist engineers with appropriate design details
  • Must have good interpersonal skills and have the ability to build a good network
  • Perform a wide variety of tasks to gain familiarity with the engineering staff, methods, programs and practices
  • Support, communicate, reinforce and defend the mission, values and culture of the organization
  • Other duties as assigned

Qualifications
  • High School Diploma or GED, and currently a Junior or above in a Bachelor's program in Computer Science, Computer Engineering, Mathematics, Physics, or equivalent
  • Must have good interpersonal skills
  • Excellent analytical and communication skills, written and oral

Desired Knowledge:
  • Basic knowledge and familiarity with: C, C++, C#, Java, Python, git
  • Knowledge of Windows, Linux, or a real time operating system
  • Proficient use of Microsoft Office products

The salary range for this position is $41,011.00/year- $53,315.00/year for the state of Illinois. This range reflects the good faith estimate of pay the employer is willing to offer at the time of posting. Several factors can influence the pay scale, including but not limited to: Federal contract labor categories and contract wage rates, collective bargaining agreements, geographic location, business considerations, scope, and responsibilities of the position, local or other applicable market conditions, and internal equity. Other factors include the candidate's qualifications such as prior work experience, specific skills and competencies, education/training, and certifications. In addition to base pay, employees may be eligible for: annual performance-based bonuses, equity awards, and overtime pay (for non-exempt employees as applicable. Our benefits package includes comprehensive health insurance (medical, dental, vision), employer matching 401(k) retirement plan, paid time off including vacation, holidays, and sick leave (including ant state-mandated paid sick leave), parental leave benefits, tuition reimbursement, professional development support, and life and disability insurance coverage.
Taking care of our people is a top priority at Leonardo DRS. We are proud to offer competitive salaries and comprehensive benefits, including medical, dental, and vision coverage, a company contribution to a health savings account, telemedicine, life and disability insurance, legal insurance, and a 401(k) savings plan. We champion wellness programs that focus on physical, emotional, and financial well-being. We develop our talent by offering programs and activities to support career-growth, professional development, and skill enhancement. And we understand there is more to life than work, and the importance of offering flexible work schedules with our 9/80 program, competitive vacation, health/emergency leave, paid parental leave, and community service hours.
*Some employees are eligible for limited benefits only
Leonardo DRS, Inc. and its subsidiaries provide equal opportunities to all employees and applicants for employment and prohibit discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, protected veteran status, or any other characteristic protected by federal, state, or local laws. #LSY
Our Vision. To be the leading mid-tier defense technology company in the U.S.
Our Values. The Leonardo DRS culture is defined by our Core Values and Principles:
- Integrity
- Agility
- Excellence
- Customer Focus
- Community & Respect
- Innovation
We strive to uphold them in all aspects of our business practices to inspire our employees and provide outstanding support for our customers.

What Leonardo DRS employees say

Pay

Benefits

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About Leonardo DRS

Sourced by ZipRecruiter

Industry

Navigational, measuring, electromedical, and control instruments manufacturing and communications equipment manufacturing

Company size

5,001 - 10,000 Employees

Headquarters location

Arlington, VA, US

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