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Hourly Freelance Java Developer Jobs in Virginia

Familiarity with C, C++, Java, scripting languages, XML, and object-oriented development. * Strong ... US: $110,000 to $130,000 The compensation range or hourly rate listed for this position is provided ...

C/C++, Java, or Ada. - Knowledge of the RedHat operating system and experience with UNIX/Linux ... Compensation Details: $120K to $140K The compensation range or hourly rate listed for this position ...

C/C++, Java, or Ada. - Knowledge of the RedHat operating system and experience with UNIX/Linux ... Compensation Details: $120K to $140K The compensation range or hourly rate listed for this position ...

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Hourly Freelance Java Developer information

How much do freelance Java developers charge?

Freelance Java developers typically charge between $30 and $150 per hour, depending on experience, project complexity, and location. Rates can vary based on skills such as familiarity with frameworks like Spring or Hibernate, and whether the work is short-term or long-term. Many freelancers also offer fixed project rates for well-defined tasks.

How to get freelance work for a Java developer?

To find freelance work as a Java developer, create a strong online portfolio showcasing your projects and skills, and register on freelance platforms like Upwork, Freelancer, or Toptal. Building a network through professional communities and continuously updating your skills with relevant certifications can also increase your chances of securing projects.

What's a good hourly rate for a freelance programmer?

For an hourly freelance Java developer, rates typically range from $30 to $150 depending on experience, project complexity, and location. Highly experienced developers with specialized skills or certifications may charge higher rates, while those new to freelancing or in lower-cost regions may charge less.

Which pays more, C++ or Java?

For an hourly freelance Java developer, Java generally offers higher pay rates than C++, especially for roles requiring enterprise applications, web development, or mobile app development. C++ skills are often valued in systems programming, game development, and performance-critical applications, which can also command competitive rates. Overall, Java tends to have broader demand in freelance markets, potentially leading to higher earnings for Java developers with relevant experience.
What cities in Virginia are hiring for Hourly Freelance Java Developer jobs? Cities in Virginia with the most Hourly Freelance Java Developer job openings:
Naval Software Simulation Developer

Naval Software Simulation Developer

Pae

Dahlgren, VA โ€ข On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 15 days ago


Job description

Join Amentum as a Software Simulation Engineer and play a role in improving our modeling and simulation design! Be a part of developing what comes next for our military and spearheading changes in our communication methods for Integrated Air and Missile Defense.

Software Simulation Engineer Responsibilities Includes:

  • Supporting hardware/software integration efforts.

  • Conducting independent assessments of software development and related data models

  • Supporting integration, troubleshooting, and deployment of emulators/simulators.

  • Participating in internal/external reviews, technical interchange meetings, working groups, and software life-cycleactivities.

  • Providing regular status to leadership, identify risks, and work proactively.

  • Preparing software deliveries, Version Description or delivery Documents, and other configuration management related material.

  • Performing configuration management on UNIX/ LINUX based platforms using UNIX/LINUXtools and utilities.

  • Performing system configuration/modification on Windows; Performing system compiles, builds, and distribution of software that includes developing: Build procedures; Quality Assurance check procedures; Configuration Item tracking processes; and CR management processes.

Minimum Qualifications:

  • Bachelor's degree or higher in Computer Science, Computer Engineering, Mathematics, or related fields.

  • Shall have a demonstrated knowledge of the Configuration Management (CM) disciplines associated with the control of software source code, environments and reproducibility principles, and the principles of Change Control Management, Identification Management, and Release Management, and experience using MS Office products (Word, Access, Project, and PowerPoint).

  • Five (5) years of experience with software integration for a large software embedded system such as a weapon system or combat system including all of the following: Software identification, change control, auditing, status accounting, system compile and build, software release management, and software release distribution; Using code management tools for LINUX applications such as GIT

  • Must have an Active SECRET US Government Clearance. Note: US Citizenship is required to obtain a SECRET Clearance.

Desired Skills & Experience:

  • Minimum 5 years of experience in cross-program SIM-to-SIM integration and testing, including HWIL and HLA.

  • Minimum 4 years of experience in software end-to-end testing and/or HWIL testing

  • Strong background in simulator/emulator design, development, and use for integration and V&V.

  • Knowledge of software architectures, combat or fire control software, requirements development, RF communications, and TCP/IP implementations.

  • Experience developing procedures, specifications, and non-conformance documentation.

  • Familiarity with C, C++, Java, scripting languages, XML, and object-oriented development.

  • Strong communication skills for multidisciplinary technical coordination.

Compensation Details:

US: $110,000 to $130,000

The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.

Benefits Overview:

Our health and welfare benefits are designed to support you and your priorities. Offerings include:

  • Health, dental, and vision insurance

  • Paid time off and holidays

  • Retirement benefits (including 401(k) matching)

  • Educational reimbursement

  • Parental leave

  • Employee stock purchase plan

  • Tax-saving options

  • Disability and life insurance

  • Pet insurance

Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.

Original Posting:

05/07/2026 - Until Filled

Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.

Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language atLabor Laws Posters.