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Contract Java Developer C2C Jobs in Maryland (NOW HIRING)

Halvik

Sr. Java Developer

Greenbelt, MD · On-site

$58 - $74/hr

Halvik is a highly successful WOB business with more than 50 prime contracts and 500+ professionals ... Halvik is seeking a Senior level Java Developer to build and maintain internal and external Java ...

Peraton

Mid Java Developer

Columbia, MD

$80K - $128K/yr

Peraton is seeking a Java Developer to help build Web and backend application/services for a ... and contract considerations. Depending on the position, employees may be eligible for overtime ...

Halvik

Sr. Java Developer

Greenbelt, MD · On-site

$130K - $150K/yr

Halvik is a highly successful WOB business with more than 50 prime contracts and 500+ professionals ... Halvik is seeking a Senior level Java Developer to build and maintain internal and external Java ...

Peraton

Mid Java Developer

Columbia, MD · On-site

$80K - $128K/yr

Peraton is seeking a Java Developer to help build Web and backend application/services for a ... and contract considerations. Depending on the position, employees may be eligible for overtime ...

Peraton

Mid Java Developer

Columbia, MD · On-site

$80K - $128K/yr

Peraton is seeking a Java Developer to help build Web and backend application/services for a ... and contract considerations. Depending on the position, employees may be eligible for overtime ...

BDR Solutions LLC

Sr. Java Developer (Hybrid)

Lanham, MD · On-site

$57 - $72.75/hr

BDR Solutions LLC is seeking a Senior Java Developer to serve as a Key Personnel position on an IRS ... This position is contingent upon contract award. Employment is not guaranteed and will proceed only ...

SonSoft

Java Developer (GC USC)

Owings Mills, MD · On-site

$48.75 - $63/hr

Java Developer (GC--USC) Sonsoft, Inc. is a USA based corporation duly organized under the laws of ... This is a Contract job opportunity. * Only US Citizen, Green Card Holder, GC-EAD, H4-EAD, L2-EAD ...

Belay Technologies

Senior Java Developer

Hanover, MD

$190K - $238K/yr

... and contract wage rates, relevant prior work experience, education, specific skills and ... We hire software engineers, web designers, test engineers, systems engineers, systems ...

Belay Technologies

Senior Java Developer

Hanover, MD · On-site

$190K - $238K/yr

... and contract wage rates, relevant prior work experience, education, specific skills and ... We hire software engineers, web designers, test engineers, systems engineers, systems ...

TecTammina

Senior Java Developer

Rockville, MD · On-site

$80 - $85/hr

Company Description Tech Tammina LLC 7 - 8 years experience with the following technologies: o JAVA ... Contract-to-Hire (C2H) Rate: $80-85/hr Eligiblity: EAD GC or GC or US Citizens Share the Profiles ...

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Contract Java Developer C2C information

What is the difference between Contract Java Developer C2C vs Contract Java Developer W2?

AspectContract Java Developer C2CContract Java Developer W2
Employment TypeIndependent contractor, self-employedEmployee of the staffing agency or company
Tax & BenefitsResponsible for own taxes, no benefits includedTaxes withheld by employer, includes benefits like health insurance
Work EnvironmentTypically remote or client-site, project-basedUsually on-site or hybrid, with more structured hours
Payment StructureInvoicing clients, higher hourly rateSalary or hourly wage, includes payroll taxes

Contract Java Developer C2C and Contract Java Developer W2 differ mainly in employment status, tax responsibilities, and benefits. C2C offers more independence and potentially higher pay but requires managing taxes and benefits independently. W2 provides a more traditional employment setup with benefits and tax withholding. The choice depends on your preference for independence versus stability.

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What cities in Maryland are hiring for Contract Java Developer C2C jobs? Cities in Maryland with the most Contract Java Developer C2C job openings:
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Infographic showing various Contract Java Developer C2C job openings in Maryland as of June 2026, with employment types broken down into 80% Full Time, and 20% Contract. Highlights an 100% In-person job distribution.
Sr. Java Developer

Sr. Java Developer

Halvik

Greenbelt, MD • On-site

$58 - $74/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 28 days ago

Job description

Halvik Corp delivers a wide range of services to 13 executive agencies and 15 independent agencies. Halvik is a highly successful WOB business with more than 50 prime contracts and 500+ professionals delivering Digital Services, Advanced Analytics, Artificial Intelligence/Machine Learning, Cyber Security and Cutting-Edge Technology across the US Government. Be a part of something special!

Halvik is seeking a Senior level Java Developer to build and maintain internal and external Java web-based applications. The successful candidate will become an integral part of our IT solutions team of developers, database and systems administrators in support the NASA SEWP Program Management Office, a multi-award government acquisition contract focused on commercial IT products and product based services.
 
RESPONSIBILITIES:
  • Develop and implement new web applications to support the NASA SEWP Program
  • Maintain and improve the existing Java web-based applications that support the NASA SEWP Program focusing on usability and performance
  • Perform peer code reviews and application testing to include unit, integration, regression and performance testing to maintain software quality and integrity
  • Participate in all phases of the Software Development Life Cycle (SDLC) including requirements gathering, coding, implementation and production launch
  • Collaborate with application developers, database and systems administrators, content management and internal stakeholders
  • Document the system, component and interface designs and requirements to ensure future maintainability
  • Adhere to project schedules and proactively resolve or escalate issues to management
  • Adapt and contribute to a fast-paced and agile application development environment
  • Participate in the maintenance and deployment of projects, providing support outside normal core business hours or nights and weekends
  • Provide Level II (technical) customer support via phone, e-mail and ServiceNow customer service ticketing software
 
EDUCATION/EXPERIENCE:
  • Required: BA/BS degree in Computer Science or related field
  • Required: 10+ years of experience developing Java web-based applications
  • Required: 5+ years of experience working with ORACLE databases writing SQL queries
  • Preferred: Java experience to include JSP, Spring Web Framework and RESTful Web Services
  • Preferred: Experience with CSS and HTML, JSON and XML
  • Preferred: Experience with JBoss, Hibernate or myBATIS, Maven, rich AJAX web applications, GIT and Software Development Process Model knowledge
  • Optional: Agile Development Experience
Other Requirements:
  • US Citizen or Naturalized Citizen, with ability to obtain Public Trust
  • Must work On-site a minimum of 4 days per week.
  • Must possess strong written and oral communications skills

Halvik offers a competitive full benefits package including:
Company-supported medical, dental, vision, life, STD, and LTD insurance
Benefits include 11 federal holidays and PTO
Eligible employees may receive performance-based incentives in recognition of individual and/or team achievements.
401(k) with company matching
Flexible Spending Accounts for commuter, medical, and dependent care expenses
Tuition Assistance
Charitable Contribution matching

Halvik Corp is an equal opportunity employer. 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.

Halvik's pay range for this job level is a general guideline only and 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.

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