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

Software Developer Co-op

Bethesda, MD ยท On-site

$48K - $86K/yr

Software Developer Co-ops may develop system software, numerical models, or back-end development ... Co-op students will gain invaluable, real-world experience on state-of-the-art computer-based ...

Computer Engineering Co-op

Bethesda, MD ยท On-site

$48K - $86K/yr

... co-op. Education: You MUST be Pursuing a Bachelor's Degree in Computer Engineering, Electrical Engineering or a related technical degree, have at least a 3.2 GPA, and be able to demonstrate solid ...

Computer Engineering Co-op

Bethesda, MD ยท On-site

$48K - $86K/yr

You MUST be available to work at least 7 months full time as a co-op. Education: You MUST be Pursuing a Bachelor's Degree in Computer Engineering, Electrical Engineering or a related technical degree ...

Computer Engineering Co-op

Bethesda, MD ยท On-site

$48K - $86K/yr

You MUST be available to work at least 7 months full time as a co-op. Education You MUST be Pursuing a Bachelor's Degree in Computer Engineering, Electrical Engineering or a related technical degree ...

Co-op / Internship Engineers

Washington, DC ยท On-site

$17.75 - $23.25/hr

We are hiring Co-op Engineers to work with our project teams on our active construction jobsites! * Co-op Term Timelines: Spring 2027 (January through May) or Fall 2027 (August through December)

Co-op / Internship Engineers

Washington, DC ยท On-site

$17.75 - $23.25/hr

We are hiring Co-op Engineers to work with our project teams on our active construction jobsites! * Co-op Term Timelines: Spring 2027 (January through May) or Fall 2027 (August through December)

Java Developer

Herndon, VA ยท On-site

$52.50 - $67.75/hr

... JAVA developer with 1-2 years experience Experience with Java (J2SE and J2EE), JSP/servlet, JDBC ... and co-contractors Must be a team player Understanding of application development lifecycle ...

Fall 2026 Co-op

Annapolis Junction, MD ยท On-site

$17.25 - $19.75/hr

The Co-op Program at Kokosing is designed to provide you with practical construction industry ... Project Engineering * SafetySpecialist * Surveying * Estimating * Marine Work * Project Design ...

Fall 2026 Co-op

Annapolis Junction, MD ยท On-site

$16 - $18.50/hr

The Co-op Program at Kokosing is designed to provide you with practical construction industry ... Project Engineering * SafetySpecialist * Surveying * Estimating * Marine Work * Project Design ...

Sr Java Developer

Washington, DC ยท On-site

$80 - $85/hr

TITLE: Sr Java Developer LOCATION: Washington, DC/ Onsite Employment type: Contract w2/1099/C2C ... AHU Technologies INC was co-founded by visionary young techno-commercial entrepreneurs who remain ...

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Java Developer Co Op information

See Washington, DC salary details

$17

$64

$87

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

As of Sep 10, 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?

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 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.

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.

Is Java Developer Co Op still in demand?

Java Developer Co Op roles remain in demand due to the continued use of Java in enterprise applications, Android development, and backend systems. Employers seek candidates with strong programming skills, familiarity with frameworks like Spring, and experience with version control tools. The demand is influenced by ongoing technology updates and the need for scalable, secure software solutions.

What are the most commonly searched types of Java Developer jobs in Washington, DC?

The most popular types of Java Developer jobs in Washington, DC are:

Software Developer Co-op

Bethesda, MD โ€ข On-site

COMFORT SYSTEMS
Engineering Professional Servicesย โ€ขย 1 - 10 employees

$48K - $86K/yr

Other

Medical, Retirement, PTO

Posted 9 days ago


Key responsibilities

  • Develop system software, numerical models, or back-end components in a Linux environment using C++.

  • Contribute to military training systems and simulation products used by the U.S. Navy.

  • Work in an Agile environment to produce quality software for real-world military applications.


Job description

Description

Join Our Innovative Team at Leidos!

At Leidos, youโ€™ll be part of a team that creates innovative solutions for the Navy, directly contributing to the readiness of the warfighter. Youโ€™ll work on products that simulate real-world scenarios, helping the Navy prepare for critical missions. This is your chance to make a tangible impact while exploring career opportunities in a supportive and collaborative environment.

Leidos is a recognized leader in delivering innovative simulation, training, and analysis solutions for the U.S. Navy. As the prime contractor for the High Fidelity Simulation (HFS) Portfolio, we are committed to advancing the Navyโ€™s mission through the development and sustainment of next-generation training systems like CIAT - Combined Integrated Air and Missile Defense (IAMD) and Anti-Submarine Warfare (ASW) Trainer - YouTube (https://www.youtube.com/watch?v=YPJKsFhBp30) . Our work directly impacts warfighter readiness and mission success, ensuring the Navy is prepared for the challenges of today and tomorrow.

Position Overview

Leidos is seeking energetic, motivated, self-starters for these technically sophisticated and challenging software developer positions.Software Developer Co-ops may develop system software, numerical models, or back-end development. All software is developed and executed in a Linux environment and written primarily in C++.All work is directly applicable to actual military training systems.Co-op students will gain invaluable, real-world experience on state-of-the-art computer-based systems. This co-op rotation will start in January 2027 and conclude in August 2027 .Subsequent co-op rotations are available for those who require multiple co-op experiences.

Basic Qualifications:
  • You will be developing software in an Agile environment and you MUST be able to learn and apply advanced software development skills and techniques.
  • You MUST be able to work in a fast paced, team oriented enviroment.
  • You MUST be available to work at least 7 months full time as a co-op.
  • Education: You MUST be Pursuing a Bachelorโ€™s Degree in Computer Science, have at least a 3.2 GPA, and be able to demonstrate solid C++ software development skills.
  • Citizenship: You MUST have U.S. Citizenship and be eligible to obtain a U.S. Government granted security clearance. Employment is contingent on receiving an interim Secret security clearance.
  • Experience: No past experience is required, however you will be working in a professional environment and contributing to systems that will be used throughout the U.S. Navy. Therefore, you must be dedicated to producing quality work results, and must be extremely attentive to detail.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo โ€” because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 โ€” and moving faster than anyone else dares.

Pay Range:

Pay Range $48,100.00 - $86,950.00

The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com .

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits .

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer/disability/vet.

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