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Online Java Developer C2C Jobs in Washington (NOW HIRING)

Backend Java Engineer

Vienna, VA · On-site

$50.75 - $65.75/hr

Java + Spring / Spring Boot Azure DevOps Microservices Description: We are seeking a mid-to-senior ... mobile and online banking platforms. This role partners closely with analysts, QA testers ...

Java Backend Developer

Ashburn, VA · On-site

$51.75 - $67/hr

Java Backend Developer Location: Remote - Responsible for the development and maintenance of ... and online banking channel. - working alongside analysts, QA testers and other Back end and ...

Senior Java Full Stack Developer

Rockville, MD · On-site

$54.25 - $70/hr

I have an opportunity for "Senior Java Full Stack Developer" and looking for a candidate who can ... We respect your Online Privacy. This e-mail message, including any attachments, is for the sole use ...

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Showing results 1-20

Online Java Developer C2C information

What are the key skills and qualifications needed to thrive as an Online Java Developer C2C, and why are they important?

To thrive as an Online Java Developer C2C, you need strong Java programming skills, experience with object-oriented design, and typically a bachelor's degree in computer science or a related field. Familiarity with frameworks like Spring, build tools such as Maven or Gradle, source control systems like Git, and cloud platforms such as AWS is highly valued, along with relevant Java certifications. Excellent problem-solving abilities, self-motivation, and effective remote communication skills set standout candidates apart. These competencies are crucial for delivering robust software solutions efficiently while collaborating remotely in a contract-based environment.

What are some common challenges Online Java Developers face when working on a C2C (Corp-to-Corp) basis?

Online Java Developers working on a C2C basis often encounter challenges such as managing client expectations across different projects, ensuring timely communication in a fully remote setup, and adapting quickly to varying codebases and team practices. They must also stay updated with the latest Java frameworks and tools, since each client may require different technical stacks. Additionally, balancing multiple clients or contracts requires strong time management and organizational skills to deliver quality work on schedule.

What is an Online Java Developer C2C?

An Online Java Developer C2C is a software developer who specializes in building applications using the Java programming language and works remotely under a Corp-to-Corp (C2C) contract. This means the developer is usually engaged through their own corporation or a third-party agency, rather than as a direct employee. C2C arrangements are common for contract roles in the tech industry, especially for remote or freelance projects. Java developers in these roles are responsible for coding, testing, and maintaining Java applications, often collaborating with distributed teams.

What is the difference between Online Java Developer C2C vs Online Java Developer?

AspectOnline Java Developer C2COnline Java Developer
Work ArrangementContract-to-Contract (C2C) with staffing agencies or clientsDirect employment or freelance projects
CredentialsTypically requires Java certifications, relevant experienceSame as C2C, often with additional company-specific requirements
Work EnvironmentRemote, project-based, client-specificRemote or on-site, depending on employer
Industry UsageCommon in consulting, staffing, and freelance platformsWidespread across industries and companies

Online Java Developer C2C roles are contract-based, often through staffing agencies, offering flexibility but less job security. In contrast, Online Java Developer positions may be direct hires or freelance roles, providing different employment benefits. Both roles require Java expertise and similar credentials, but their work arrangements and industry usage differ.

What are the most commonly searched types of Java Developer C2C jobs in Washington? The most popular types of Java Developer C2C jobs in Washington are:
What are popular job titles related to Online Java Developer C2C jobs in Washington? For Online Java Developer C2C jobs in Washington, the most frequently searched job titles are:
What cities in Washington are hiring for Online Java Developer C2C jobs? Cities in Washington with the most Online Java Developer C2C job openings:
Infographic showing various Online Java Developer C2C job openings in Washington as of May 2026, with employment types broken down into 100% Contract. Highlights an 100% In-person job distribution.

Sr. Lead java Developer

Twenty First Systems

Arlington, VA • On-site

Contractor

Posted 27 days ago


Job description

JOB TITLE - Sr. Lead java developer/Architect
Reports to: Program Manager
Location: Arlington, VA; Bethesda, MD
Travel: < 5%
Start Date: Immediately
Clearance Requirement: Public Trust
TAX TERM:- C2C, W2
Project Duration:-1 Year+
Hourly Rate-90$ Negotiable
Work Visa Status:- Must be a U.S. Citizen or U.S. Legal Permanent Resident(GC)
Job Summary: The Senior Associate, Technology is a member of the project team who takes responsibility for implementing parts of the system architecture using best practices. This will include coding, unit testing, using design patterns, learning new technologies, and becoming an expert in one part of the system. The candidate will also be expected to provide technical leadership, architectural support, and advice with system security.
Qualified applicants must be detail-oriented, result-driven individuals who work well within team environments and have good interpersonal skills, as well as good client interaction skills.
Responsibilities:
  • Ability to lead a small team of 4-6 individuals.
  • Demonstrates ability to work with system owners, business owners, technical teams, and functional teams to design, implement, test, and validate a system.
  • Meet with business and system owners to understand and document desired system requirements.
  • Work with business users to gather requirements, write functional and technical specifications
  • Work with business users and analysts to define use cases
  • Design and develop new code and/or support operations, maintenance, and enhancements of existing code.
  • Develop conceptual and technical design including use of OOA and OOD techniques.
  • Conduct multiple levels of testing including unit, system, integration and performance.
  • Effectively model organization business processes and integrate them with existing Enterprise systems and capabilities.
  • Estimate and plan iterative / agile releases
  • Mentor junior team members
  • Work closely with technical project leadership and client to plan, develop, and deliver system modernization, enhancement, and operations and maintenance capabilities.
    Experience Guidelines:
    • At least 10+ years of relevant work experience.
    • Strong problem identification and analytical skills
    • Ability to plan and manage time and resources, establish priorities and meet goals
    • Must be detail-oriented and proactive about communicating status and progress.
    • Possession of excellent oral and written communication skills including the ability to create and deliverclear reports and documentation.
    • Experience working in small to medium-sized teams
    • Experience developing software in Java (including JSP and servlets) and JavaScript.
    • Experience working in a Unix or Linux environment.
    • Experience developing software involving database queries, e.g. SQL.
    • Desired but not required experience includes proficiency with Python, Perl, shell scripting (e.g. Bash),distributed computing (e.g., Hadoop), and information retrieval, text mining, or other analytical

Required Skills:
  • Java, J2EE, Maven, Jenkins, SVN, Shell Scripting, POM files, and eclipse with various plug-in required
  • Proficient in Spring MVC, Spring Core, Hibernate, JSP, JSF, JQuery, Java Script
  • Experience with Amazon Web Services(AWS)
  • Implementing Database Change processe
  • Linux, Jboss, Tomcat, Mark Logic, Oracle

Education:
Bachelor's Degree required from college or University
About Our Client:-
Our client is a leading provider of consult¬ing, technology, and marketing services to a wide array of U.S. governmental agencies. Focused on driving long-term change and transforming the citizen experience, we use technology to help agencies become more accessible and transparent. With a track record of delivering mission-critical solutions and the ability to leverage commercial best practices, they serve as trusted advisers to government agencies such as the Federal Bureau of Investigation, Library of Congress, National Institutes of Health, United States Department of Health and Human Services, and United States Department of Homeland Security.
Sapient is a registered service mark of Sapient Corporation.
*Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions of this role, which include hearing, speaking, typing, and occasionally moving and/or lifting up to 15 pounds.
Our client is an Equal Opportunity / Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, orientation, national origin, disability, or protected veteran status.