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Freelance Remote Java Backend Developer Jobs in Washington, DC

System One

Sr Java Full Stack Developer

Reston, VA · Remote

$97/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Hybrid -- Reston, VA (20190) (90% remote - 4 to 6 onsite meetings a year) Type: Contract Schedule ... Pure backend candidates won't be a fit: the team needs engineers who can flex across the stack as ...

System One

Sr Java Full Stack Developer

Reston, VA · Remote

$97/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Hybrid -- Reston, VA (20190) (90% remote - 4 to 6 onsite meetings a year) Type: Contract Schedule ... Pure backend candidates won't be a fit: the team needs engineers who can flex across the stack as ...

System One

Sr Java Full Stack Developer

Reston, VA · Remote

$97/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Hybrid -- Reston, VA (20190) (90% remote - 4 to 6 onsite meetings a year) Type: Contract Schedule ... Pure backend candidates won't be a fit: the team needs engineers who can flex across the stack as ...

System One

Sr Java Full Stack Developer

Reston, VA · Remote

$97/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Hybrid -- Reston, VA (20190) (90% remote - 4 to 6 onsite meetings a year) Type: Contract Schedule ... Pure backend candidates won't be a fit: the team needs engineers who can flex across the stack as ...

Data Society

Sr. Backend Engineer

Washington, DC · On-site +1

This role is work-from-home (remote) though must be able to commute to client offices in Falls ... Proficiency with Azure DevOps CI/CD pipelines and security-gated build processes (Veracode or ...

Data Society

Sr. Backend Engineer

Washington, DC · Remote

This role is work-from-home (remote) - though if you are local to the client offices (Falls Church ... Proficiency with Azure DevOps CI/CD pipelines and security-gated build processes (Veracode or ...

IVID TEK INC

Golang Developer

College Park, MD · Remote

$40 - $45/hr

Golang Developer Location: 100% Remote (EST Preferred) Duration: 6+ months Contract Pay: $40/hr W2 ... Requirements: * 6+ years of backend software engineering experience, with a strong record of ...

System One

Java Developer - 100% REMOTE

Vienna, VA · Remote

$52.25 - $67.50/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Java Developer Location: MUST BE LOCAL TO VIENNA, VA or WINCHESTER, VA or PENSACOLA, FL FOR FACE TO FACE INTERVIEW, THEN 100% REMOTE Type: Contract Compensation: Negotiable, W-2 or C2C ...

System One

Java Developer - 100% REMOTE

Vienna, VA · Remote

$52.25 - $67.50/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Java Developer Location: MUST BE LOCAL TO VIENNA, VA or WINCHESTER, VA or PENSACOLA, FL FOR FACE TO FACE INTERVIEW, THEN 100% REMOTE Type: Contract Compensation: Negotiable, W-2 or C2C ...

System One

Java Developer - 100% REMOTE

Vienna, VA · Remote

$52.25 - $67.50/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Java Developer Location: MUST BE LOCAL TO VIENNA, VA or WINCHESTER, VA or PENSACOLA, FL FOR FACE TO FACE INTERVIEW, THEN 100% REMOTE Type: Contract Compensation: Negotiable, W-2 or C2C ...

System One

Java Developer - 100% REMOTE

Vienna, VA · Remote

$52.25 - $67.50/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Java Developer Location: MUST BE LOCAL TO VIENNA, VA or WINCHESTER, VA or PENSACOLA, FL FOR FACE TO FACE INTERVIEW, THEN 100% REMOTE Type: Contract Compensation: Negotiable, W-2 or C2C ...

System One

Java Developer - 100% REMOTE

Vienna, VA · Remote

$52.25 - $67.50/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Java Developer Location: MUST BE LOCAL TO VIENNA, VA or WINCHESTER, VA or PENSACOLA, FL FOR FACE TO FACE INTERVIEW, THEN 100% REMOTE Type: Contract Compensation: Negotiable, W-2 or C2C ...

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Freelance Remote Java Backend Developer information

See Washington, DC salary details

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How much do freelance remote java backend developer jobs pay per hour?

As of Aug 18, 2026, the average hourly pay for freelance remote java backend developer in Washington, DC is $61.87, according to ZipRecruiter salary data. Most workers in this role earn between $55.00 and $71.35 per hour, depending on experience, location, and employer.

What does a freelance remote Java backend developer do?

A Freelance Remote Java Backend Developer is a software professional who specializes in building and maintaining the server-side logic, databases, and APIs for web or mobile applications, primarily using the Java programming language. Working remotely, they collaborate with clients or teams from different locations to deliver backend solutions that ensure the application's performance, scalability, and security. Their responsibilities often include designing and implementing RESTful APIs, integrating with third-party services, fixing bugs, and optimizing backend processes. As freelancers, they typically manage their own schedules and work with multiple clients or projects.

What are the key skills and qualifications needed to thrive as a freelance remote Java backend developer?

To thrive as a Freelance Remote Java Backend Developer, you need strong proficiency in Java, backend frameworks (such as Spring Boot), API development, and a solid understanding of databases, often supported by a degree in computer science or equivalent experience. Familiarity with tools like Git, Docker, cloud platforms (AWS, Azure), and CI/CD pipelines is typically required, and relevant certifications can be advantageous. Excellent problem-solving abilities, clear communication, and self-motivation help you deliver high-quality solutions and collaborate effectively with clients or distributed teams. These skills and qualities are crucial for delivering robust, scalable backend systems efficiently and maintaining client satisfaction in a remote freelance environment.

What are some common challenges faced by freelance remote Java backend developers, and how can they be addressed?

Freelance remote Java backend developers often encounter challenges such as managing communication across time zones, maintaining consistent code quality, and integrating smoothly with distributed teams. To address these, it’s important to establish clear communication channels, use collaboration tools like Slack or Jira, and adhere to standardized coding and documentation practices. Regularly syncing with the client and proactively sharing updates can help ensure alignment and reduce misunderstandings.

What are the most commonly searched types of Remote Java Backend Developer jobs in Washington, DC?

The most popular types of Remote Java Backend Developer jobs in Washington, DC are:

What are popular job titles related to Freelance Remote Java Backend Developer jobs in Washington, DC?

For Freelance Remote Java Backend Developer jobs in Washington, DC, the most frequently searched job titles are:

What job categories do people searching Freelance Remote Java Backend Developer jobs in Washington, DC look for?

The top searched job categories for Freelance Remote Java Backend Developer jobs in Washington, DC are:

Freelance Remote Java Backend Developer jobs near you

JAVA API DEVELOPER - MULESOFT - 100% REMOTE

System One

Washington, DC • Remote

$52.25 - $67.50/hr

Contractor

Posted 7 days ago

Job description

Job Title: Java API Developer - 100% remote

Location:  Remote

Type: Contract

Compensation: Negotiable

Work Model: Remote – offsite

Hours: 40 hours a week 

Security Clearance: None but full background check required


Responsibilities


  • Develop and implement microservices-based solutions with strong hands-on experience
  • Utilize expertise in Springboot (Java) to build robust backend systems
  • Design and develop APIs, system integrations, and facilitate service-to-service communications within container environments
  • Work with cloud Azure and container environments such as AKS or ACA
  • Design and optimize cloud database data models in Azure
  • Configure and manage CICD pipelines for microservices development
  • Implement secure principals and tokens for authentication and authorization
  • Maintain effective communication and professional demeanor within a large enterprise setting
  • Requirements
  • Strong hands-on experience with Microservices development
  • Backend expertise using Springboot (Java)
  • Hands-on API design experience (Mulesoft), system integrations, and service communications in containers
  • Experience with Azure cloud services and container environments like AKS or ACA
  • Knowledge of cloud databases and data modeling in Azure
  • Experience working with CICD pipelines for microservice deployment
  • Understanding and experience with secure principals and token-based authentication
  • Excellent communication skills and professional demeanor in enterprise environments



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.


Company Description

System One is a leading provider of specialized, highly technical services and solutions to critical infrastructure, technology, life sciences, and government sectors. We partner with large private and public organizations who trust us to execute their complex, mission-critical initiatives through our outsourced services and workforce solutions.