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Internship Java Developer Jobs in Baltimore, MD (NOW HIRING)

Ring0 Technologies Inc

Software Engineer

Fort George G Meade, MD · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... internship experience acceptable) * Experience developing software in C, C++, C#, Java, or Python * Familiarity with Windows or UNIX/Linux application development * Basic understanding of DevOps ...

Ring0 Technologies Inc

Software Engineer

Fort George G Meade, MD · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... internship experience acceptable) * Experience developing software in C, C++, C#, Java, or Python * Familiarity with Windows or UNIX/Linux application development * Basic understanding of DevOps ...

Prattwhitney

Software Engineer I (Onsite)

Fulton, MD · On-site

$63 - $120/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

At RTX, our internships, co-ops and full-time careers provide an exceptional foundation to work on ... We are currently seeking a Software Engineer with experience in Java to join our team who is ...

New

Raytheon Technologies

Software Engineer I (Onsite)

Fulton, MD · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

At RTX, our internships, co-ops and full-time careers provide an exceptional foundation to work on ... We are currently seeking a Software Engineer with experience in Java to join our team who is ...

RTX

Software Engineer I (Onsite)

Fulton, MD · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

At RTX, our internships, co-ops and full-time careers provide an exceptional foundation to work on ... Design, implement, and evaluate software in C++, Java and Python within the Agile framework

Ciena

Enterprise Integration Developer

Baltimore, MD · On-site +1

$94K - $147K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

... internship, or thesis or one year of experience in the job offered, including experience in: Java, Python, R or other functional programming languages; Preparing technical documentation including ...

Ciena

Enterprise Integration Developer

Baltimore, MD · On-site

$94K - $147K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

... internship, or thesis or one year of experience in the job offered, including experience in: * Java, Python, R or other functional programming languages; * Preparing technical documentation including ...

Ciena Corporation

Enterprise Integration Developer

Hanover, MD · On-site

$94K - $147K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

... internship, or thesis or one year of experience in the job offered, including experience in: • Java, Python, R or other functional programming languages; • Preparing technical documentation ...

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Showing results 21-40

All JobsJava Developer JobsInternship Java Developer JobsInternship Java Developer Jobs in Baltimore, MD

Internship Java Developer information

See Baltimore, MD salary details

$15

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How much do internship java developer jobs pay per hour?

As of Aug 20, 2026, the average hourly pay for internship java developer in Baltimore, MD is $56.34, according to ZipRecruiter salary data. Most workers in this role earn between $48.75 and $63.08 per hour, depending on experience, location, and employer.

What are the qualifications to get a Java developer internship?

The qualifications to become a Java developer intern include that you are pursuing at least a bachelor’s degree in engineering, computer science, or a similar degree. Experience working with different computer languages is beneficial when you are applying for positions. Having some experience with the following can be helpful: C#, NET, HTML5, Java, VB, SQL, MVC, or data analytics. Strong communication skills can help you to stand out above other applicants. Experience with Java development, Spring Framework, and relational databases can also help you applying for a Java developer internship.

What is an internship Java developer?

Internship Java Developers are students or recent graduates who work in a company to gain practical experience in Java programming. They assist in developing, testing, and maintaining Java applications under the supervision of experienced developers. This role helps interns apply their academic knowledge to real-world projects, learn industry best practices, and improve their coding and teamwork skills. Internships often serve as a valuable stepping stone to full-time software development positions.

What kinds of projects and tasks can an internship Java developer expect to work on during their internship?

As an Internship Java Developer, you can expect to work on a variety of projects that help you build practical skills, such as developing new features, fixing bugs, writing unit tests, or assisting with code reviews. You’ll likely collaborate closely with experienced developers and participate in team meetings or agile sprints, which provide valuable exposure to real-world software development processes. Projects may range from maintaining existing applications to contributing to new product development, giving you a well-rounded experience in Java programming. This role is designed to help you learn industry best practices and gain hands-on experience while receiving mentorship and feedback from your team.

What are the key skills and qualifications needed to thrive as an internship Java developer, and why are they important?

To thrive as an Internship Java Developer, you need a solid understanding of Java programming, object-oriented principles, and basic software development concepts, often supported by coursework or personal projects. Familiarity with version control systems like Git, integrated development environments (IDEs) such as Eclipse or IntelliJ IDEA, and basic knowledge of databases are typically required. Strong problem-solving skills, eagerness to learn, and effective communication help interns adapt and contribute within development teams. These competencies enable you to quickly integrate into projects, support code quality, and grow professionally in a fast-paced environment.

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

AspectInternship Java DeveloperJunior Java Developer
Required CredentialsTypically pursuing or recently completed a degree in Computer Science or related fieldBachelor's degree in Computer Science or related field, with some practical experience
Work EnvironmentTraining-focused, supervised environment, often part-time or temporaryFull-time, ongoing employment with more responsibilities
Employer & Industry UsageInternships offered by tech companies, startups, and IT departments for skill developmentEntry-level position in software development teams across various industries

The main difference between an Internship Java Developer and a Junior Java Developer is experience and responsibility. Internships are designed for students or recent graduates gaining initial exposure, while Junior Java Developers have more hands-on work experience and are expected to contribute more independently to projects.

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Internship Java Developer jobs near you
Infographic showing various Internship Java Developer job openings in Baltimore, MD as of August 2026, with employment types broken down into 81% Full Time, 5% Part Time, and 14% Contract. Highlights an 83% Physical, 5% Hybrid, and 12% Remote job distribution, with an average salary of $117,181 per year, or $56.3 per hour.

2026 PhD Graduate - Formal Verification and Software Assurance Engineer

Johns Hopkins Applied Physics Laboratory

Laurel, MD • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 18 days ago

Johns Hopkins Applied Physics Laboratory rating

9.6

Company rating: 9.6 out of 10

Based on 8 frontline employees who took The Breakroom Quiz

2nd of 74 rated research

Job description

Description
Do you have experience conducting formal verification with formal methods for system and software assurance?
Are you passionate about making meaningful contributions that impact national security systems?
Do you work best in an intellectually stimulating, professionally rewarding, and fun environment?
If so, we 're looking for someone like you to join our APL team.
We are seeking a motivated and creative Software Assurance/Formal Methods Developer who will...
  • Solve problems to improve software assurance using static and dynamic analysis, language safety properties, symbolic execution, abstract interpretation, model checking, and automated and interactive theorem provers to tackle the nation's most pressing cyber security challenges.
  • Explore techniques to support development of zero-defect software and systems.
  • Work on research teams staffed with world-class experts to perform research and development improving the state-of-the-art in software assurance theory and practice.
  • Work alongside engineers and scientists who are passionate about innovation and are driven to make a real difference in defending our nation.
  • Participate in research projects that create and apply formal methods tools and techniques to real-world problems. Goals include formal verification of algorithms, improvement of code quality, elimination of software bugs and design flaws, formal specification description, and analysis of cyber-physical systems.
  • Devise and develop algorithms, techniques, and new tools that implement and test your ideas for improving critical systems and more reliable reasoning under uncertainty.
  • Analyze data and results related to system development. Show the benefits of using formal methods in system development as well as the positive effects of using analysis tools.
  • Share knowledge by clearly articulating ideas through papers and presentations to technical staff, management and Government decision makers. Take advantage of opportunities to participate in working groups, sponsor meetings, proposal writing, and conferences.
  • Join an environment that promotes professional growth, a balanced life, and encourages technical development.
  • Have opportunities to participate in fun, social activities like our weekly game nights and yearly summer cookout!

Qualifications
You meet the minimum qualifications for this position if you have:
  • Have a PhD in Computer Science, Computer Engineering, Electrical Engineering, Applied Math, or a related field.
  • Internship experience or a combination of graduate research and experience with formal methods, software assurance, or related areas.
  • Understanding or experience with formal methods tools and techniques, such as language safety properties, symbolic execution, abstract interpretation, model checking, automated and interactive theorem proving, programming language analysis and design, type theory, static source code analysis, and formal logic.
  • Ability to understand code in a variety of programming languages, and be able to develop software to demonstrate new analysis capabilities.
  • Interest in local limited travel, which may be required.
  • Are able to obtain an Interim Top Secret level security clearance by your start date and can ultimately obtain Top Secret level clearance. If selected, you will be subject to a government security clearance investigation and must meet the requirements for access to classified information. Eligibility requirements include U.S. citizenship.

You'll go above and beyond our minimum requirements if you have:
  • Internship experience with static and dynamic analysis, formal methods, or related areas.
  • Experience with the above, familiarity with operational semantics, abstract interpretation, symbolic execution, type inference.
  • Experience with software development on Windows and Linux, using languages such as Rust, OCaml, C/C++, and Java.
  • Experience with (1) Static Analysis tools such as Coverity and Klockwork, (2) Dynamic Analysis tools such as Valgrind, libFuzzer, and Java Pathfinder, (3) Symbolic Execution Engines such as KLEE and angr, (4) Model Checkers such as TLA+ and SPIN, (5) SMT Solvers such as CVC5 and MathSAT (6) Automated Theorem Provers such as Z3 and ACL-2, (7) Interactive Theorem Provers such as Lean and Rocq, and any other formal methods tools.
  • Experience writing published papers and presenting results to conferences/workshops.
  • Familiarity with a range of cyber-security concepts, such as network and host-based security, cryptography, trusted systems, and vulnerability/exploit discovery.
  • Interest in improving system design to help reduce vulnerabilities and improve computer security.
  • Current DoD clearance and prior experience working with Government agencies.

About Us
Why Work at APL?
The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation's most critical defense, security, space and science challenges. While we are dedicated to solving complex challenges and pioneering new technologies, what makes us truly outstanding is our culture. We offer a vibrant, welcoming atmosphere where you can bring your authentic self to work, continue to grow, and build strong connections with inspiring teammates.
At APL, we celebrate our differences of perspectives and encourage creativity and bold, new ideas. Our employees enjoy generous benefits, including a robust education assistance program, unparalleled retirement contributions, and a healthy work/life balance. APL's campus is located in the Baltimore-Washington metro area. Learn more about our career opportunities at https://www.jhuapl.edu/careers.
All qualified applicants will receive consideration for employment without regard to race, creed, color, religion, sex, gender identity or expression, sexual orientation, national origin, age, physical or mental disability, genetic information, veteran status, occupation, marital or familial status, political opinion, personal appearance, or any other characteristic protected by applicable law. APL is committed to providing reasonable accommodation to individuals of all abilities, including those with disabilities. If you require a reasonable accommodation to participate in any part of the hiring process, please contact Accessibility@jhuapl.edu.
The referenced pay range is based on JHU APL's good faith belief at the time of posting. Actual compensation may vary based on factors such as geographic location, work experience, market conditions, education/training and skill level with consideration for internal parity. For salaried employees scheduled to work less than 40 hours per week, annual salary will be prorated based on the number of hours worked. APL may offer bonuses or other forms of compensation per internal policy and/or contractual designation. Additional compensation may be provided in the form of a sign-on bonus, relocation benefits, locality allowance or discretionary payments for exceptional performance. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development. Applications are accepted on a rolling basis.
Minimum Rate
$105,000 Annually
Maximum Rate
$245,000 Annually

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