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Java Programming Internship Jobs in Philadelphia, PA

Bachelor's degree in computer science, mathematics, engineering or another related field * 0-4 years of software development experience (internship experience counts) * Experience with Java, Python ...

Lead Data Engineer

Wilmington, DE · On-site

$111K - $133K/yr

Utilize programming languages like Java, Scala, Python and Open Source RDBMS and NoSQL databases ... At least 4 years of experience in application development (Internship experience does not apply)

Lead Data Engineer

Wilmington, DE

$111K - $133K/yr

Utilize programming languages like Java, Scala, Python and Open Source RDBMS and NoSQL databases ... At least 4 years of experience in application development (Internship experience does not apply)

Lead Data Engineer

Wilmington, DE · On-site

$111K - $133K/yr

Utilize programming languages like Java, Scala, Python and Open Source RDBMS and NoSQL databases ... At least 4 years of experience in application development (Internship experience does not apply)

Lead Data Engineer

Wilmington, DE · On-site

$111K - $133K/yr

Utilize programming languages like Java, Scala, Python and Open Source RDBMS and NoSQL databases ... At least 4 years of experience in application development (Internship experience does not apply)

Lead Data Engineer

Wilmington, DE

$111K - $133K/yr

Utilize programming languages like Java, Scala, Python and Open Source RDBMS and NoSQL databases ... At least 4 years of experience in application development (Internship experience does not apply)

... interns, and junior developers). * Relaxed yet enthusiastic and motivated attitude towards the craft, company, and products.   Preferred skills, nice to have: * Java web application development ...

Associate Data Engineer

Ambler, PA · Hybrid

$70K - $90K/yr

Exposure to at least one programming language (preferably Python or Java). * Good knowledge of ... Completed coursework, internships, or personal projects related to data engineering or data science ...

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Java Programming Internship information

See Philadelphia, PA salary details

$15

$57

$78

How much do java programming internship jobs pay per hour?

As of Jun 18, 2026, the average hourly pay for java programming internship in Philadelphia, PA is $57.21, according to ZipRecruiter salary data. Most workers in this role earn between $49.47 and $64.04 per hour, depending on experience, location, and employer.

What types of projects can I expect to work on during a Java Programming Internship?

During a Java Programming Internship, you will likely contribute to a variety of projects such as developing web applications, automating business processes, or assisting with testing and debugging existing Java code. Interns often work under the guidance of senior developers, participating in code reviews and collaborating with cross-functional teams like QA and UI/UX. These projects are designed to help you apply classroom knowledge to real-world challenges, build your coding portfolio, and develop teamwork and communication skills essential for a career in software development.

What is a Java Programming Internship?

A Java Programming Internship is a temporary position designed for students or recent graduates to gain practical experience in software development using the Java programming language. Interns typically work under the supervision of experienced developers, assisting with coding, debugging, testing, and maintaining Java applications. This internship provides hands-on exposure to real-world projects and development tools, helping interns build their technical skills and understanding of professional software engineering practices. Successful completion of a Java programming internship can enhance a candidate's resume and improve their prospects for future employment in software development roles.

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

To thrive as a Java Programming Intern, you need a solid understanding of Java fundamentals, object-oriented programming concepts, and basic software development principles, ideally supported by coursework or personal projects. Familiarity with tools like Eclipse or IntelliJ IDEA, version control systems such as Git, and build tools like Maven is typically expected. Strong problem-solving skills, eagerness to learn, and effective teamwork and communication abilities help interns stand out. These skills and qualities are crucial for contributing effectively to projects, adapting to real-world development environments, and growing as a software professional.

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

AspectJava Programming InternshipJava Developer
Required CredentialsTypically pursuing or recent graduate in Computer Science or related fieldBachelor's degree in Computer Science or related, with experience
Work EnvironmentEntry-level, training-focused, often in tech companies or software firmsFull-time professional role, involved in designing, coding, and maintaining Java applications
Employer & Industry UsageInternships offered by tech companies, startups, and software firmsFull-time employment in similar industries, including finance, tech, and enterprise software

In summary, a Java Programming Internship is an entry-level, training-focused position for students or recent graduates, while a Java Developer is a full-time professional role requiring more experience and responsibility. Internships serve as a stepping stone into a Java development career, providing practical skills and industry exposure.

What are the most commonly searched types of Java Programming jobs in Philadelphia, PA? The most popular types of Java Programming jobs in Philadelphia, PA are:
What cities near Philadelphia, PA are hiring for Java Programming Internship jobs? Cities near Philadelphia, PA with the most Java Programming Internship job openings:
Associate Software Engineer

$72K - $114K/yr

Other

Retirement, PTO

Posted 10 days ago


Job description


Innovative Defense Technologies (IDT), provider of cutting-edge cloud-based integration, automated testing and data analysis for complex, mission-critical systems in the US Department of Defense (DOD), is seeking an Associate Software Engineer to be part of our Warfare Systems team and based out of our Arlington, VA and Mount Laurel, NJ location.
The Associate Software Engineer is responsible for designing, developing, and integrating software solutions across IDT's Warfare Systems business area. The primary role of the Software Engineer is to build high-quality, innovative, and fully performing software which integrates with other system components. The Software Engineer will be working with various Warfare Systems customers to gather user requirements, defining system functionality, and writing code in various languages, like Java, C++, and Python. You will work with other software engineers, systems engineers, integration engineers, and subject matter experts to deliver robust technical solutions.
Clearance & Location Requirements:
  • All applicants must be able to obtain/maintain an active Secret U.S. Security Clearance.
  • This is an on-site position. Requiring at least 5 days in office, based out of our Arlington, VA and Mount Laurel, VA location.

Department
Engineering
Employment Type
Full Time
Location
Mount Laurel, NJ
Address
8000 Midlantic Drive, Suite 500 N, Mount Laurel, New Jersey, 08054
Open in Google Maps
Workplace type
Onsite
Compensation
$72,000 - $114,450 / year
Key Responsibilities
What You Will Do:
  • Engineers Solutions: Design, develop, document, and test backend software components and algorithms using modern programming languages such as C++, Python, Java, or C#. Apply appropriate data structures, modular design principles, and performance optimization techniques to deliver scalable, maintainable solutions.
  • Scopes Requirements: Analyze and interpret system and software requirements to ensure clarity, feasibility, and traceability. Collaborate with engineers and stakeholders to translate high-level mission and system needs into functional backend implementations.
  • Integrates Systems: Integrate software components into complex development environments, ensuring interoperability across distributed systems, APIs, databases, and networking layers within DoD software ecosystems.
  • Assures Quality: Apply secure coding practices and established engineering standards related to security, performance, and reliability. Participate in peer reviews of architecture designs, system requirements, and implemented code to ensure technical rigor and mission alignment.
  • Verification & Testing: Model, implement, and test algorithms and backend services using unit and interface testing frameworks. Validate system functionality, edge cases, and performance constraints across development and integration environments.
  • Manages Risk & Security: Identify potential technical and cybersecurity risks within software implementations. Apply defensive programming, input validation, and system-level safeguards to harden software against vulnerabilities and operational threats.
  • Leverages AI Responsibly: Utilize AI coding assistants to support code generation, refactoring, debugging, and root-cause analysis while critically reviewing outputs to ensure correctness, security, and adherence to engineering standards.
  • Collaborates Across Teams: Work within small, cross-site teams of software and systems engineers. Communicate technical concepts clearly and collaborate with Program Managers and Chief Engineers to document, manage, and evolve system and software requirements.
  • Delivers Results in Dynamic Environments: Manage multiple concurrent assignments, adapt to changing priorities, and contribute to meeting program milestones while maintaining high standards of technical excellence and accountability.

Skills Knowledge & Expertise
Who You Are (Required):
  • Bachelor's Degree in Software Engineering, Computer Science, Computer Engineering, Electrical Engineering, Data Science, Cyber Security, Mathematics, Aeronautical Engineering, or equivalent full-time professional experience.
  • 0-2+ years of full-time professional experience in backend software development or related technical roles (internship experience applicable).
  • Ability to travel up to 15% of the time as needed.
  • Familiarity with the software development lifecycle (requirements through deployment).
  • Proficiency in at least one modern backend language (e.g., Python, Java, C++, C#).
  • Ability to design, develop, and analyze algorithms and backend software systems.
  • Understanding of Windows and Linux file systems.
  • Experience using version control systems (e.g., Git).
  • Understanding of APIs (REST/gRPC) and modular code design principles.
  • Familiarity with SQL and relational databases (e.g., Postgres).
  • Familiarity with networking fundamentals and protocols (e.g., TCP/IP, UDP, CORBA, DDS).
  • Ability to review, critique, and harden AI-generated code.
  • Ability to manage multiple concurrent assignments and adjust priorities as needed.
  • Strong analytical thinking, problem-solving skills, and technical communication abilities.

What Makes You Stand Out
  • Experience with cloud computing, virtualization, or containerization technologies.
  • Familiarity with cloud infrastructure platforms (e.g., Azure, AWS, GCP).
  • Experience with big data technologies (e.g., Hadoop, Spark, Kafka, Cassandra).
  • Demonstrated experience using AI coding assistants (e.g., GitHub Copilot, ChatGPT, Claude, Cursor, Codeium) for code generation, optimization, debugging, and iterative improvement.
  • Ability to write effective prompts and iterate with AI tools to enhance performance and code quality.
  • Understanding of AI limitations, hallucinations, and validation techniques.
  • Experience with unit testing and interface testing frameworks.
  • Exposure to complex DoD or defense-related software systems.


If you see yourself reflected in this role and are excited about the impact you could make, we encourage you to apply! If you know someone who may be a great fit, please feel free to share this opportunity with your network.
Pay Range*: $72,000 - $114,450
*Pursuant to New Jersey Senate Bill 2310 IDT is required to disclose the "pay scale" or "pay range" associated with a job posting. Notably, however, this amount may not be reflective of actual compensation that may be earned as pay is dependent on a candidate's experience, skills, and education. The posted range does not include bonuses, commissions, tips, or other benefits. Click here for additional information about Senate Bill 2310. IDT is often looking to place multiple candidates at various levels. Therefore, more than one pay range has been included, commensurate with experience.
This amount may not be reflective of actual compensation that may be earned as pay is dependent on a candidate's experience, skills, and education. The posted range does not include bonuses, commissions, tips, or other benefits. IDT is often looking to place multiple candidates at various levels. Therefore, more than one pay range has been included, commensurate with experience.
Benefits
Why Work at Innovative Defense Technologies (IDT)
IDT is a growing company with a vibrant, entrepreneurial culture. We are headquartered in Arlington, VA with additional offices in Fall River, MA; Mount Laurel, NJ; and San Diego, CA. At each location, our employees work together in a modern, snack-filled, and social office space, designing innovative solutions for our defense industry customers. We offer employees competitive pay and benefits including:
  • Generous benefits package
  • Competitive PTO
  • Paid holidays
  • 401(k) with immediate vesting and matching
  • 9/80 optional schedule (2nd and 4th Friday off every month)
  • Tuition Assistance Reimbursement Program
  • Professional Development Resources
  • Pre-Tax Commuter Benefits
  • Organization-Wide Monthly Tech Connect Events
  • Annual Employee Recognition Awards
  • Regular Social Events and Catered Lunches


EEO Statement:
IDT is an Equal Opportunity employer.
About Innovative Defense Technologies
Innovative Defense Technologies (IDT) is a leading defense technology company focused on rapidly delivering mission-critical software and systems solutions to the U.S. government. The company specializes in automation, digital engineering, and enabling the rapid integration of advanced capabilities into complex weapon and combat systems. These essential solutions empower the warfighter to field, operate, and sustain decisive capability at speed and scale. At IDT, our employees are developing advanced mission-critical outcomes by consistently delivering high-quality results, fostering innovation, applying rigorous problem-solving, and effectively collaborating across multifaceted teams and stakeholders. Grounded in these competencies, IDT translates complex customer priorities into robust software solutions.
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