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Online Java Developer C2C Jobs in Washington (NOW HIRING)

Senior Backend Developer

Merrifield, VA ยท On-site

$120K - $156K/yr

Senior Java Backend Developer Location: Vienna or Winchester, VA, San Diego, CA, or Pensacola, FL ... Open to Both C2C and W2 options Position Type: Multiyear Contract Candidates must have a minimum of ...

Senior Backend Developer

Merrifield, VA ยท On-site

$120K - $156K/yr

Senior Java Backend Developer Location: Vienna or Winchester, VA, San Diego, CA, or Pensacola, FL ... Open to Both C2C and W2 options Position Type: Multiyear Contract Candidates must have a minimum of ...

Backend Java Engineer

Vienna, VA ยท 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 ยท 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 ...

Showing results 41-60

Online Java Developer C2C information

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 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 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 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.

Is an online Java developer still in demand?

Online Java developers remain in demand due to the widespread use of Java in enterprise applications, web development, and cloud-based services. Skills in frameworks like Spring and experience with cloud platforms can enhance job prospects in this field.

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 job categories do people searching Online Java Developer C2C jobs in Washington look for?

The top searched job categories for Online Java Developer C2C jobs in Washington 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 September 2026, with employment types broken down into 1% As Needed, 62% Full Time, 33% Part Time, 1% Temporary, and 3% Contract. Highlights an 82% Physical, 1% Hybrid, and 17% Remote job distribution.

Senior Backend Developer

Merrifield, VA โ€ข On-site

System One
Business Consulting Servicesย โ€ขย 5 - 10K employees

$120K - $156K/yr

Contractor

Medical, Dental, Vision, Life, Retirement

Re-posted 13 days ago


Job description

Job Title: Senior Java Backend Developer Location: Vienna or Winchester, VA, San Diego, CA, or Pensacola, FL Work Schedule: hybrid, onsite 3 days a week Pay Rate: Open to Both C2C and W2 options Position Type: Multiyear Contract Candidates must have a minimum of 10 years of professional experience, ideally closer to 15 years with extensive Java backend development experience, Java 17+, Spring framework/Spring Boot, and Azure. This role is for a Senior Backend Developer responsible for building, modernizing, and supporting the backend services that power mobile and online banking applications. The position focuses on developing scalable, secure, cloud-native solutions using Java and Azure technologies while collaborating with product, architecture, QA, frontend, and platform teams. The developer will contribute to application modernization efforts, mentor junior engineers, support production systems, build CI/CD pipelines, and leverage AI-assisted development tools to improve engineering productivity and code quality. Overview The Senior Backend Developer is responsible for the design, development, modernization, and support of backend services that power our mobile banking and online banking channels. This role partners closely with product teams, architects, analysts, QA engineers, frontend developers, and platform teams to deliver scalable, secure, and resilient solutions. The ideal candidate is a strong Java engineer who brings technical leadership, cloud expertise, and a passion for continuous improvement. This individual will help drive application modernization, mentor team members, and leverage emerging technologies, including AI-assisted development tools, to improve engineering efficiency and delivery quality. Responsibilities

  • Design, develop, enhance, and maintain backend services and APIs.
  • Build scalable, secure, and resilient cloud-native applications.
  • Participate in architecture and design discussions and contribute to technical solutioning.
  • Collaborate with cross-functional teams to define, design, and deliver new features and capabilities.
  • Identify performance bottlenecks, troubleshoot issues, and implement effective solutions.
  • Conduct code reviews and champion engineering best practices, quality standards, and secure coding principles.
  • Support application modernization and technical debt reduction initiatives.
  • Build and maintain CI/CD pipelines and deployment automation using Azure DevOps.
  • Participate in production support, incident response, root cause analysis, and operational readiness activities.
  • Mentor and provide technical guidance to junior engineers.
  • Evaluate and leverage AI-assisted development tools to improve productivity, code quality, testing, and delivery speed.
  • Help maintain code quality, organization, documentation, and automation standards.
Required Skills & Experience
  • Strong experience developing applications using Java 17 or higher.
  • Experience with Spring Framework and Spring Boot.
  • Experience designing and developing RESTful APIs and microservices architectures.
  • Strong understanding of web applications, web services, and distributed systems.
  • Experience with cloud platforms, preferably Microsoft Azure.
  • Experience with Azure services such as App Services, Azure SQL, Service Bus, API Management, Application Insights, or similar cloud-native services.
  • Experience with Git-based source control, Azure DevOps Repos, pull requests, and branching strategies.
  • Experience building and maintaining CI/CD pipelines using Azure DevOps.
  • Strong understanding of databases, SQL, and application data integration patterns.
  • Experience troubleshooting complex, interconnected systems and applications.
  • Understanding of application scalability, resilience, observability, and performance optimization.
  • Experience working in Agile/Scrum environments.
  • Familiarity with AI-powered development tools (e.g., GitHub Copilot, AI-assisted code generation, testing, analysis, and debugging) to improve developer productivity and code quality.
  • Strong analytical, problem-solving, communication, and collaboration skills.
  • Demonstrated ability and willingness to learn new technologies and adapt to changing business needs.
Preferred Qualifications
  • Experience with Docker and Kubernetes (AKS preferred).
  • Experience with event-driven architectures and messaging platforms.
  • Experience working in the banking or financial services industry.
  • Knowledge of secure software development practices and regulatory considerations in financial systems.
  • Awareness of sustainable coding practices and energy-efficient system design.

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

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Ref: #851-Rockville-S1


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About System One

Sourced by ZipRecruiter

System One helps employers get work done more efficiently and economically without compromising quality. Over our 35+ year history, we've helped connect thousands of talented people with innovative companies. The excitement of a perfect fit motivates us every single day.

Industry

Business consulting services and recruiting and staffing services

Company size

5,001 - 10,000 Employees

Headquarters location

Pittsburgh, PA, US