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Junior Java Developer Intern Jobs in Ohio (NOW HIRING)

Nlign Analytics, Inc.

Software Developer Co-Op

Blue Ash, OH · On-site +1

$18.50 - $24.25/hr

NLign has a long history of working with co-op and intern students to help them achieve their ... Experience with a programming language, especially C++ and Java. * Experience with Software ...

PNC

Software Engineer - iOS/Android

Strongsville, OH · On-site

... Full Stack Java Developer with expertise in developing scalable web applications and mobile ... junior developers and contribute to technical leadership discussions. PNC is an in-office company ...

Zaddy Solutions

Lead Java Software Engineer

Columbus, OH · On-site

Lead Java Software Engineer Columbus, Ohio | Hybrid, Three Days On-Site Some lead engineering roles ... You will mentor junior developers, help colleagues think through difficult design decisions, raise ...

New

Brewer Garrett

Energy Engineering Internship

Cleveland, OH · On-site

$16.25 - $21/hr

Energy Engineer Intern Department: Project Solutions Mentors: Energy Engineering Manager, Energy ... Junior and Senior status preferred; Sophomore status will be considered * Excellent communication ...

Brewer Garrett

Mechanical Engineering Internship

Cleveland, OH · On-site

$18.25 - $24.50/hr

Mechanical Engineer Intern Department: Project Solutions Mentors: Mechanical Engineer Team Lead ... Junior and Senior status preferred; Sophomore status will be considered * Excellent communication ...

Brewer Garrett

Electrical Engineering Internship

Cleveland, OH · On-site

$18.50 - $24.25/hr

Electrical Engineer Intern Department: Project Solutions Mentors: Engineering Manager, Electrical ... Junior and Senior status preferred; Sophomore status will be considered * Excellent communication ...

Ametek

Sunpower Manufacturing Engineering Intern

Athens, OH · On-site

$13.25 - $17.25/hr

The Engineering Intern supports product testing, process documentation, equipment readiness, and ... The ideal candidate will be a junior or higher majoring in Mechanical Engineering, Electrical ...

Ametek

Sunpower Manufacturing Engineering Intern

Athens, OH

$13.25 - $17.25/hr

The Engineering Intern supports product testing, process documentation, equipment readiness, and ... The ideal candidate will be a junior or higher majoring in Mechanical Engineering, Electrical ...

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

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

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

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

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

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

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

Cities in Ohio 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 Ohio 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.

Data Modeler/Engineering Programmer Intern (Summer 2027)

Columbus, OH • On-site

Battelle
Scientific Research and Development Services • 1 - 5K employees
Learn more about Battelleexternal

$20 - $40/hr

Full-time, Temporary, Internship

Posted 7 days ago

Job description

For brilliant minds in science, technology, engineering and business operations, Battelle is the place to do the greatest good by solving humanity's most pressing challenges and creating a safer, healthier and more secure world.
At Battelle, interns and co-ops make an impact through hands-on learning and exciting and challenging projects. Our interns are an integral part of the teams they support and will feel like they are a true, valued team member. We recognize and appreciate the value and contributions of individuals from a wide range of backgrounds and experiences and welcome all qualified individuals to apply.
A brighter future is possible with you.
Job Summary
We are currently seeking an Data Modeler/Engineering Programmer Intern for Summer 2027. This position is located in Columbus, OH.
Battelle's Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Defense business, in our National Security Global Business, is currently seeking persons with knowledge of physical phenomena and who is programming savvy. The Hazard Modeling Team within CBRNE Defense provides its customers with technical analyses as well as modeling capabilities to inform their preparedness and response planning efforts to mitigate risk to the United States or their company. Successful applicants will have the opportunity to make this Nation and Battelle's clients better prepared and safer.
Responsibilities
Intern activities may include some or all of the following:
  • Support model development activities for inhalation, ingestion, dermal, and radiation exposure hazards.
  • Support model development activities for responding to hazardous events.
  • Design and develop graphical user interfaces for mathematical models.
  • Develop code to support database and back-end server interface.
  • Test model code for accuracy and performance.
  • Collect, reduce, process, and present model input and output data.
  • Write reports of methods used and results obtained.

Key Qualifications
  • Currently enrolled in a bachelor's degree program in Engineering, Computer Science, Physics, Mathematics, Biology, or another scientific field.
  • Completed coursework in higher-level mathematics (e.g., calculus, differential equations, linear algebra).
  • Completed coursework in computer science and/or mathematical modeling.
  • Experience using object-oriented programming in C++, C#, Java, or python for significant classroom assignments, undergraduate research, or other work experience.
  • Ability to learn and understand new programing languages and mathematical concepts.
  • Related work experience (paid or unpaid) is preferred.
  • Solid verbal and written communication skills.
  • Able to work independently and as part of a team.
  • A positive attitude and willingness to take on technical challenges.
  • Working knowledge of Microsoft Office software including Word, Excel, Access, and PowerPoint.
  • Must be available to work 40 hours/week.
  • Must be a U.S. Citizen with the ability to obtain and maintain a U.S. government security clearance

Preferred Qualifications
  • Computer science majors: coursework towards a minor, certificate, or emphasis in a scientific or mathematical field (e.g., statistics, data analysis, biology, engineering).
  • Non-Computer science majors: coursework towards a minor, certificate, or emphasis in computer science, or undergraduate research requiring the use of object-oriented programing.
  • Coursework in statistics or probability (at least one formal class).
  • Coursework in engineering (e.g., transport phenomenon, reaction kinetics).
  • Significant programming experience in an object-oriented programming language (e.g., C++, C#, Java, or python. MATLAB, LabVIEW, Mathcad, Mathematica would not be considered relevant experience).
  • Experience with JavaScript/HTML/CSS.

Compensation Data
The salary range for this role is $20.00-40.00 per hour, in addition to a $2,000 housing stipend for students relocating more than 50 miles from home and university. Internship pay is benchmarked against national averages taking into consideration a student's major and year in school.
Preparing You for Career Success
The Battelle intern and co-op program is a great way to increase experience both on a team and as an independent contributor. Ninety-eight percent of internship survey respondents said they felt better prepared to enter the workforce after their Battelle internship and 100% said they were treated with respect by their colleagues.
You will have the opportunity to thrive in a culture that inspires you to:
  • Apply your talent to challenging and meaningful projects
  • Pursue ideas in scientific and technological discovery
  • Partner with world-class experts in a collaborative environment
  • Become the next generation of scientific leaders and business professionals

Are you ready to help solve the most important challenges of today and tomorrow?
If so, we are ready to support you with:
  • Flexible work schedules: Most teams follow a flexible, compressed work schedule that allows for every other Friday off
  • Enjoy enhanced work flexibility, including a hybrid arrangement: You have options for where and when you work. Our Together with Flexibility model allows you to work 60% in-office and 40% remote, with Monday and Tuesday as common in-office days, dependent on team and position needs.
  • Employee Resource Groups that help cultivate an inclusive and welcoming community
  • Social and professional networking events with Battelle Senior Leadership and your colleagues
  • Opportunities for philanthropic involvement to give back and make an impact in the community

Vaccinations & Safety Protocols
Battelle may require employees, based on job duties, work location, and/or its clients' requirements to follow certain safety protocols and to be vaccinated against a variety of viruses, bacteria, and diseases as a condition of employment and continued employment and to provide documentation that they are fully vaccinated. If applicable, Battelle will provide reasonable accommodations based on a qualified disability or medical condition through the Americans with Disabilities Act or the Rehabilitation Act or for a sincerely held religious belief under Title VII of the Civil Rights Act of 1964 (and related state laws).
Battelle is an equal opportunity employer. We provide employment and opportunities for advancement, compensation, training, and growth according to individual merit, without regard to race, color, religion, sex (including pregnancy), national origin, sexual orientation, gender identity or expression, marital status, age, genetic information, disability, veteran-status veteran or military status, or any other characteristic protected under applicable Federal, state, or local law. Our goal is for each staff member to have the opportunity to grow to the limits of their abilities and to achieve personal and organizational objectives. We will support positive programs for equal treatment of all staff and full utilization of all qualified employees at all levels within Battelle.
The above statements are intended to describe the nature and level of work being performed by people assigned to this job. They are not intended to be an exhaustive list of all responsibilities, activities and skills required of staff members. No statement herein is intended to imply any authorities to commit Battelle unless special written permission is granted by Battelle's Legal Department.
For more information about our other openings, please visit www.battelle.org/careers

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