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Java Developer Jobs in Fredericksburg, VA (NOW HIRING)

ManTech

Simulation Developer

Quantico, VA · On-site

$141K - $236K/yr

  • Medical

  • Life

  • Retirement

  • PTO

Proficiency in programming languages such as C++, C#, Python, or Java * Experience with simulation platforms or engines such as AFSIM, NGTS, OneSAF, Unity, Unreal Engine, Simio, or Arena

ManTech International

Simulation Developer

Quantico, VA · On-site

$141K - $236K/yr

  • Medical

  • Life

  • Retirement

  • PTO

Proficiency in programming languages such as C++, C#, Python, or Java * Experience with simulation platforms or engines such as AFSIM, NGTS, OneSAF, Unity, Unreal Engine, Simio, or Arena

ManTech

Simulation Developer

Quantico, VA · On-site

$91K - $153K/yr

  • Medical

  • Life

  • Retirement

  • PTO

Experience in programming languages such as C++, C#, Python, or Java * Experience with simulation platforms or engines such as AFSIM, NGTS, OneSAF, Unity, Unreal Engine, Simio, or Arena * Familiarity ...

ManTech

Simulation Developer

Quantico, VA · On-site

$141K - $236K/yr

  • Medical

  • Life

  • Retirement

  • PTO

Proficiency in programming languages such as C++, C#, Python, or Java * Experience with simulation platforms or engines such as AFSIM, NGTS, OneSAF, Unity, Unreal Engine, Simio, or Arena

ManTech International

Simulation Developer

Quantico, VA · On-site

$91K - $153K/yr

  • Medical

  • Life

  • Retirement

  • PTO

Experience in programming languages such as C++, C#, Python, or Java * Experience with simulation platforms or engines such as AFSIM, NGTS, OneSAF, Unity, Unreal Engine, Simio, or Arena * Familiarity ...

The Amatriot Group

Software Engineer

King George, VA · On-site

The Software Engineer will be responsible for real-time software integration and message handling ... Time Java within VxWorks-based systems. • Analyze existing software baselines to understand ...

Parsons

Software Developer TS

Quantico, VA · On-site

$125K - $225K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Work closely with engineers, analysts, and other developers to brainstorm and implement creative ... Java * TS clearance and a willingness to sit for a polygraph What Desired Skills You'll Bring:

Parsons Corporation

Software Developer TS

Quantico, VA · On-site

$125K - $225K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Work closely with engineers, analysts, and other developers to brainstorm and implement creative ... Java * TS clearance and a willingness to sit for a polygraph What Desired Skills You'll Bring:

Parsons Services Company

Software Developer TS

Quantico, VA · On-site

$125K - $225K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Work closely with engineers, analysts, and other developers to brainstorm and implement creative ... Java * TS clearance and a willingness to sit for a polygraph What Desired Skills You'll Bring:

Vervic Inc.

Full Stack Developer

King George, VA · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

Full Stack Developer Location: King George, VA (hybrid work may be available). As a Full Stack ... C/C++, C#, Java, or Python. * Experience in Agile software web development and microservices ...

Parsons

Software and Algorithm Developer

Fredericksburg, VA · On-site

$103K - $181K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Parsons is seeking a Computer Scientist/Software Engineer in a multi-disciplinary software ... Experience with C++, Python, and Java. * BS or higher in Computer Science or related field. * 5+ ...

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All JobsJava Developer JobsJava Developer Jobs in Fredericksburg, VA

Java Developer information

See Fredericksburg, VA salary details

$15

$55

$76

How much do java developer jobs pay per hour?

As of Aug 19, 2026, the average hourly pay for java developer in Fredericksburg, VA is $55.76, according to ZipRecruiter salary data. Most workers in this role earn between $48.22 and $62.40 per hour, depending on experience, location, and employer.

What is a Java developer?

Java Developers are software professionals who specialize in designing, developing, and maintaining applications using the Java programming language. They work on a variety of projects, including web, desktop, and mobile applications, as well as enterprise-level systems. Java Developers are responsible for writing clean and efficient code, testing and debugging programs, and collaborating with other team members to deliver robust software solutions. Their expertise in Java and related technologies is crucial for building scalable and secure applications.

What do Java developers do?

Java developers create dynamic computer applications and websites using the Java computer programming language. The Java language integrates with other programming languages and infrastructures to build robust business applications and software for a wide range of industries, from finance and healthcare to content management and social media. Java developers may be involved in all stages of application development, from conception and design to testing, production, and ongoing maintenance. The goal is to provide efficient solutions for business needs.

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

To thrive as a Java Developer, you need strong proficiency in Java programming, object-oriented design, and a solid understanding of software development principles, usually supported by a degree in computer science or related fields. Familiarity with frameworks such as Spring or Hibernate, experience with version control systems like Git, and sometimes certification like Oracle Certified Professional Java Programmer (OCPJP) are commonly required. Effective problem-solving, teamwork, and attention to detail are crucial soft skills in this role. These skills ensure robust, maintainable, and scalable software solutions that meet project requirements and business goals.

What are some common challenges Java developers face when working on large-scale enterprise applications?

Java Developers working on large-scale enterprise applications often encounter challenges such as managing complex codebases, ensuring efficient performance, and integrating with legacy systems. Collaborating with cross-functional teams is crucial, as these projects typically involve multiple developers, QA engineers, and business analysts. Additionally, maintaining code quality and adhering to best practices while meeting tight deadlines can be demanding. Staying up-to-date with evolving frameworks and tools also plays a key role in overcoming these challenges.

What is the difference between Java Developer vs Software Engineer?

AspectJava DeveloperSoftware Engineer
Required CredentialsBachelor's in Computer Science or related, Java certificationsBachelor's in Computer Science or related, various certifications
Work EnvironmentDevelops Java-based applications, often in teamsDesigns and develops software solutions, may include Java projects
Employer & Industry UsageTech companies, finance, e-commerceBroad industry, including tech, finance, healthcare

Java Developers focus specifically on Java programming, while Software Engineers have a broader role in designing and developing software solutions across multiple languages. Both roles often require similar educational backgrounds and certifications, but Java Developers typically work more directly with Java-based projects, whereas Software Engineers may handle diverse technologies.

Is a Java developer still in demand?

Java developers remain in high demand due to the language's widespread use in enterprise applications, Android development, and backend systems. Skills in frameworks like Spring and knowledge of cloud platforms can enhance job prospects in this field.
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Java Developer jobs near you
Infographic showing various Java Developer job openings in Fredericksburg, VA 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 $115,973 per year, or $55.8 per hour.

Simulation Developer

ManTech

Quantico, VA • On-site

$141K - $236K/yr

Full-time

Medical, Life, Retirement, PTO

Re-posted 11 days ago

ManTech rating

9.0

Company rating: 9.0 out of 10

Based on 14 frontline employees who took The Breakroom Quiz

33rd of 245 rated software companies

Job description

Description & Requirements
Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we've been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now-protect and innovate with MANTECH!

MANTECH seeks a motivated, career and customer-oriented SIMULATION DEVELOPER to join our team in QUANTICO, VA

Join a high-impact team supporting the Marine Corps Warfighting Lab's transition to digital wargaming. As a Simulation Developer, you will serve as a trusted advisor to our customers, ensuring the technical architecture of wargames is robust and reliable while directly shaping the tools used to prepare Marines for the future fight.

Responsibilities include but are not limited to:

  • Designs, develops, and sustains simulation models and environments using a variety of programming languages, tools, and data sources
  • Integrates models and simulations into larger system architectures and supports Marine Corps Warfighting Laboratory (MCWL) Wargaming Division efforts for interoperability testing and model orchestration
  • Collaborates with engineers, analysts, and operational subject matter experts to enhance model fidelity and ensure simulation accuracy
  • Implements new features, conducts model testing and validation, and troubleshoots issues across evolving simulation platforms
  • Leads and supports planning, coordination, and documentation activities for simulation projects, including data collection, stakeholder alignment, and capability tracking

Minimum Qualifications:

  • Bachelor's degree in Computer Science, Software Engineering, Game Development, or a related technical field
  • Minimum of 7 years of software development experience focused on simulation or game-based environments.  A total of 10 years' experience without a degree.
  • Proficiency in programming languages such as C++, C#, Python, or Java
  • Experience with simulation platforms or engines such as AFSIM, NGTS, OneSAF, Unity, Unreal Engine, Simio, or Arena
  • Familiarity with version control systems and collaborative software development workflows

Preferred Qualifications:

  • Understanding of modeling and simulation principles in military or operational contexts
  • Familiarity with mission engineering, wargaming, campaign analysis, or Naval Capabilities Integration Process (NCIP), and associated military systems/processes
  • Knowledge of 3D graphics, physics engines, and database management systems (e.g., SQL)
  • Experience applying Agile or Scrum development methodologies in simulation projects
  • Strong communication, analytical, and cross-functional collaboration skills

Clearance Requirements:

  • Must possess a current/active TS/SCI security clearance.

Physical Requirements:

  • Must be able and willing to perform occasional manual labor and warehouse duties, with the ability to lift up to 50 pounds. Must be able to remain in a stationary position 50% of the time.
  • Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
  • Frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations

The projected compensation range for this position is $141,500.00-$236,000.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories.  In addition, MANTECH invests in its employees beyond just compensation.  MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.

MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.
If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.

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