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Hourly Freelance Java Developer Jobs in Ashburn, VA

ManTech

Application Developer

Chantilly, VA

$114K - $190K/yr

Strong Java programming/development skills, with hands-on experience * Experience with HTML, CSS ... There are differentiating factors that can impact a final salary/hourly rate, including, but not ...

Mondo

BTP QA Engineer

Rockville, MD · Remote

$50/hr

Contract (12 Months) Hourly Rate: $50/hr - 60/hr W2 Benefits: Eligible for Health, Dental, Vision ... Execute existing automated regression suites built with Java and Playwright while expanding ...

ManTech International

Application Developer

Chantilly, VA · On-site

$114K - $190K/yr

Strong Java programming/development skills, with hands-on experience * Experience with HTML, CSS ... There are differentiating factors that can impact a final salary/hourly rate, including, but not ...

Base-2 Solutions, LLC

DevOps Engineer

Washington, DC · On-site

$59.75 - $81.75/hr

Experience with containerization strategies for Java applications, configuration management tools ... Competitive fixed salary or hourly pay (based on experience, skills, location, and internal equity)

Base-2 Solutions, LLC

DevOps Engineer

Reston, VA · On-site

$55 - $75.25/hr

Experience with containerization strategies for Java applications, configuration management tools ... Competitive fixed salary or hourly pay (based on experience, skills, location, and internal equity)

USM

Documentum Developer

Washington, DC

$55 - $60/hr

Washington, DC Duration: 12+Months Hourly Rate: $55-60/hr on C2C Citizenship: US Cit or GC. Must be ... Retention Policy Architecture, moderate Java coding, basic Oracle/SQL database related activities ...

Base-2 Solutions, LLC

Database Engineer

Washington, DC · On-site

The candidate will work closely with Java developers to optimize database interactions, support SAP ... Competitive fixed salary or hourly pay (based on experience, skills, location, and internal equity)

Base-2 Solutions, LLC

Database Engineer

Reston, VA · On-site

The candidate will work closely with Java developers to optimize database interactions, support SAP ... Competitive fixed salary or hourly pay (based on experience, skills, location, and internal equity)

Base-2 Solutions, LLC

DevOps Software Engineer

Bethesda, MD · On-site

$56.50 - $77.25/hr

Development experience (Bash, PowerShell, SALT, Python, Groovy, Java, etc.). * Experience ... Competitive fixed salary or hourly pay (based on experience, skills, location, and internal equity)

Base-2 Solutions, LLC

DevOps Engineer 4

Bethesda, MD · On-site

$56.50 - $77.25/hr

Development experience with Bash, PowerShell, SALT, Python, Groovy, or Java. * Experience ... Competitive fixed salary or hourly pay (based on experience, skills, location, and internal equity)

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How much do hourly freelance java developer jobs pay per hour?

As of Sep 7, 2026, the average hourly pay for hourly freelance java developer in Ashburn, VA is $57.98, according to ZipRecruiter salary data. Most workers in this role earn between $50.14 and $64.90 per hour, depending on experience, location, and employer.

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Hourly Freelance Java Developer jobs near you

Application Developer

ManTech

Chantilly, VA

$114K - $190K/yr

Full-time

Medical, Life, Retirement, PTO

Re-posted 29 days ago

ManTech rating

8.8

Company rating: 8.8 out of 10

Based on 15 frontline employees who took The Breakroom Quiz

48th of 247 rated software companies

Job description

Description & Requirements
Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we've been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now-unleash your potential with MANTECH!

MANTECH seeks a motivated, career and customer-oriented Application Developer to join our team in Chantilly, VA
 

The Application Developer will be dedicated full-time to development and enhancement support for existing applications as well as new development.
 

Responsibilities include but are not limited to:

  • Designing, programming/developing, and modifying software systems, applications, and tools, both existing and potentially new in the future
  • Analyzing user needs and software requirements to determine feasibility of design within time and cost constraints
  • Collaborating with teammates, other service providers, vendors, and users to develop new program features
  • Developing unit and integration tests, in addition to participating in functional and regression tests to ensure programs will produce the desired results and that instructions are correct
  • Correcting errors by making the appropriate changes and then re-checking the program to ensure the desired result was produced.  As well as,  reviewing help desk messages periodically and working with other teams to troubleshoot and resolve production issues
  • Participating in code reviews by reviewing and incorporating feedback from teammates as well as providing feedback to others based on existing standards and recommended programming practices.
  • Deploying code to development, test, and production environments using existing DevOps infrastructure/tools
     

Minimum Qualifications:

  • High School Diploma/GED with 7+ years of experience in the Information Technology field
  • Strong Java programming/development skills, with hands-on experience
  • Experience with HTML, CSS, JavaScript, and at least one modern front-end framework, preferably Angular
  • Experience with, or knowledge of, the Spring Framework and RESTful services and SQL, ORM libraries such as Hibernate/JPA
  • Experience with Git branching and merging within a team to manage source code
     

Preferred Qualifications:

  • Strong ability to manage competing priorities and communication to multiple stakeholders
  • Experience with, or knowledge of, Elasticsearch
  • Experience with, or knowledge of, best practices for developing secure web applications
     

Clearance Requirements:

  • An active TS/SCI with Polygraph
     

Physical Requirements:

  • Use hands to operate a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.
  • The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
  • Must be able to remain in a stationary position 50% of the time

The projected compensation range for this position is $114,600.00-$190,200.00. 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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