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Java Developer Co Op Jobs in Washington, DC (NOW HIRING)

CYNET SYSTEMS

Java Developer

Arlington, VA · On-site

$50/hr

Required Skills: * 5 to 7 years of solid hands-on experience using Core Java, Spring Boot, Kafka/MQ ... Experience with Co-pilot and Spec Driven Development is plus. Founded in 2010 and headquartered in ...

Cummins Inc.

2025 - Summer Intern Co-op Conversion

Largo, MD

$14.75 - $19.75/hr

This requisition is for 2025 Summer Intern/Co-op Conversion candidates with assignment end dates ... Functional Talent Scouts (function or engineering subfunction), who are CC03 or higher employees ...

Cummins Inc.

2025 - Summer Intern Co-op Conversion

Bowie, MD

$14.50 - $19.50/hr

This requisition is for 2025 Summer Intern/Co-op Conversion candidates with assignment end dates ... Functional Talent Scouts (function or engineering subfunction), who are CC03 or higher employees ...

Northstrat

Java Developer CF

Sterling, VA

$50.50 - $65.25/hr

Northstrat is seeking a Java Software Developer to join an established program comprised of ... Must be available to work onsite in Sterling, VA or Aurora, CO office is required * Java ...

Northstrat

Java Developer CF

Sterling, VA · On-site

$50.50 - $65.25/hr

Northstrat is seeking a Java Software Developer to join an established program comprised of ... Must be available to work onsite in Sterling, VA or Aurora, CO office is required * Java ...

Northstrat

Java Developer CF

Sterling, VA · On-site

$50.50 - $65.25/hr

Northstrat is seeking a Java Software Developer to join an established program comprised of ... Must be available to work onsite in Sterling, VA or Aurora, CO office is required * Java ...

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How much do java developer co op jobs pay per hour?

As of May 30, 2026, the average hourly pay for java developer co op in Washington, DC is $64.22, according to ZipRecruiter salary data. Most workers in this role earn between $55.53 and $71.88 per hour, depending on experience, location, and employer.

What is a Java Developer Co Op job?

A Java Developer Co-Op job is a temporary, paid position for students or recent graduates who want hands-on experience in Java development. Co-op students work with a team of developers to design, test, and maintain Java-based applications. They gain practical knowledge in coding, debugging, and software development best practices while contributing to real-world projects. This role helps bridge the gap between academic learning and professional work, preparing candidates for full-time software development roles.

What are the key skills and qualifications needed to thrive in the Java Developer Co Op position, and why are they important?

To thrive as a Java Developer Co Op, you need a solid understanding of Java programming, object-oriented design principles, and foundational knowledge in software development, often supported by coursework or relevant project experience. Familiarity with version control systems like Git, IDEs such as IntelliJ or Eclipse, and basic knowledge of databases or web development frameworks are common requirements. Effective communication, eagerness to learn, and strong problem-solving skills help you adapt quickly and work well within a team environment. These competencies ensure you can contribute to real-world projects, collaborate with experienced developers, and gain valuable hands-on experience during your co-op term.

What types of projects or tasks will I typically work on as a Java Developer Co Op?

As a Java Developer Co Op, you can expect to support ongoing software development projects by writing and testing code, fixing bugs, and assisting in the design or implementation of new features. You may work on both backend and frontend components, collaborate with senior developers during code reviews, and contribute to team meetings or agile sprints. Your work might include developing internal tools, creating automation scripts, or participating in the documentation process. This hands-on experience is designed to give you exposure to industry best practices and the full software development lifecycle while building your professional skills.
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Java Developer Co Op jobs near you
2026 Co-op - Spacecraft Power Engineering

2026 Co-op - Spacecraft Power Engineering

Johns Hopkins Applied Physics Laboratory

Laurel, MD • On-site

Part-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 25 days ago

Johns Hopkins Applied Physics Laboratory rating

9.9

Company rating: 9.9 out of 10

Based on 5 frontline employees who took The Breakroom Quiz

1st of 56 rated research

Job description

Description
Do you have an interest in learning about Power Systems and Power Electronics? Are you passionate about Space?
If you're pursuing a degree in Electrical Engineering (or related technical field) and want to gain experience in Spacecraft Power Electronics and Power Systems we'd love to have you join the Spacecraft Power Engineering team!
We are seeking a CO-OP student to join a hardworking team of engineers that develop and test power systems for space flight applications. As a co-op student, you will contribute to missions like Dragonfly and IMAP.
The CO-OP term must meet the following criteria:
  • Minimum term of 6 months
  • Maximum term of 12 months
  • Must complete the co-op within a 12-month period
    • Typically 1 or 2 semesters/quarters and 1 summer
    • May not be 2 summers

As a member of our Spacecraft Power Engineering Group (SEP)...
  • Your primary responsibility will be to analyze, test, and deliver analog power electronics.
  • You will work with full-time staff to learn to design and test electronic hardware.
  • You will develop analysis and simulation skills.

SEP's mission is to design, test, and deliver reliable spacecraft power systems for APL's space sector and broader space community that enable the tools to expand our knowledge of the universe. Our team aims to create an accountable and collaborative environment where individuals feel empowered to seek out critical challenges, to make discoveries, and to develop advancements in power electronics.
Qualifications
You meet our minimum qualifications for the job if you...
  • Are pursuing a Bachelor's or Master's degree in Electrical Engineering (or related technical field)
  • Have a minimum 3.3 GPA on a 4.0 scale
  • Are available for a 6-month (minimum) term in Laurel, MD
  • Are familiar with analog electrical circuit components and concepts
  • Have prior employment or team-project experience in one of the group's core competency areas:
    • DC/DC and AC/DC Power Conversion
    • DC Power Distribution
    • Battery Packs
    • Solar Arrays
    • Power Systems
    • Power Circuit or System Test
  • Are familiar with basic laboratory equipment (oscilloscopes, meters, power supplies, etc.)
  • To access APL's facilities and networks, U.S. citizenship status is required, subject to applicable laws

You'll go above and beyond our minimum requirements if you...
  • Have experience with electrical design and simulation software
  • Have experience with analysis software
  • Have experience on a project team

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 http://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 Accommodations@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
$22.60 Hourly
Maximum Rate
$47.95 Hourly

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