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Freelance Java Backend Developer Jobs in Reston, VA

Findem Inc.

Sr. Java Developer

Mclean, VA · On-site

$58.75 - $75/hr

Sr. Java DeveloperIntroduction This position is for a Sr. Java Developer to join the Consumer ... Contribute to the backend development of the business application/process engine * Work in an ...

SmartIPlace

Java/J2EE Developer

Mclean, VA · On-site

$51.50 - $66.75/hr

Senior Java Developer Required Experience & Education 7 -10 years of professional software ... Core Technical Skills (Java & Backend) Strong professional experience with Java (backend ...

Viderity

Backend Developer -Journeyman

Washington, DC · On-site

$61K/yr

Viderity is seeking a Backend Developer with experience in developing J2EE applications using REST ... Designs, develops, and implements web-based Java applications to support business requirements.

Phase2 Technology

Back End Developer

Mclean, VA · On-site

$125 - $150/hr

As a back-end developer at Booz Allen, you'll use the latest architectural approaches and ... Experience with Java * Experience with Docker containerization * Experience working with unbounded ...

Chenega MIOS

Senior Backend Developer

Vienna, VA · On-site

$120K - $157K/yr

Req ID: 40538 Summary Senior Backend Developer Vienna, VA Are you ready to enhance your skills and ... Python * JavaScript / Node.js * Java (for enterprise integrations and services) * Experience ...

Booz Allen Hamilton

Back End Developer

Mclean, VA · On-site

$125 - $150/hr

Experience using Java to build enterprise products and applications * Experience with back-end ... As a sof tware engineer, you know that good sof tware is more than just a nice-looking interface ...

RIT Solutions, Inc.

Java API Engineer

Washington, DC · On-site

$58.50 - $80/hr

This role involves maintaining backend services built with Java in an Azure-hosted environment ... with mobile developers, QA engineers, project managers, and client stakeholders to deliver ...

Chenega MIOS SBU

Senior Backend Developer

Vienna, VA · On-site

They are seeking a Senior Backend Developer to build software leveraging Esri's products and APIs ... Python, JavaScript / Node.js, Java (for enterprise integrations and services) • Experience ...

Chenega Corporation

Senior Backend Developer

Vienna, VA

$120K - $157K/yr

Python * JavaScript / Node.js * Java (for enterprise integrations and services) * Experience ... backend software engineer or equivalent practical experience * Hands-on experience developing ...

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Freelance Java Backend Developer information

See Reston, VA salary details

$10

$56

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

As of Sep 7, 2026, the average hourly pay for freelance java backend developer in Reston, VA is $56.84, according to ZipRecruiter salary data. Most workers in this role earn between $50.53 and $65.53 per hour, depending on experience, location, and employer.

What cities near Reston, VA are hiring for Freelance Java Backend Developer jobs?

Cities near Reston, VA with the most Freelance Java Backend Developer job openings:

Freelance Java Backend Developer jobs near you

Backend Developer

Trinity Global Consulting

Springfield, VA • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 10 days ago

Job description

Duties May Include:
  • Build backend services that power geospatial processing, automation, and user-facing capabilities
  • Develop APIs, proxies, and integration services using Node.js and Python
  • Create and maintain backend tooling that extends ArcGIS Enterprise in containerized environments
  • Develop and maintain geoprocessing services, automation scripts, and operational workflows
  • Build connectors and ingestion pipelines across diverse enterprise data sources
  • Support deployments across cloud-native and on-premises environments
  • Improve reliability and performance through API design, testing, monitoring, and observability
  • Collaborate with platform, DevOps, and GIS teams to translate requirements into production solutions

Requirements
Required Qualifications:
  • Bachelor's degree in Computer Science, Engineering, GIS, or related technical field (or equivalent practical experience)
  • 2+ years of industry experience as a backend software engineer or equivalent practical experience
  • Hands-on experience developing backend services using Python, JavaScript/Node.js, and Java
  • Experience designing and building REST APIs and service-based architectures
  • Experience extending or integrating with ArcGIS Enterprise or similar enterprise geospatial platforms
  • Familiarity with geoprocessing workflows, proxies, middleware services, and automation of GIS/data processing tasks
  • Experience working in containerized environments (Docker, Kubernetes, or similar)
  • Solid fundamentals in API design, software/system design, and testing/debugging distributed services
  • US Citizenship required
  • Active or current (within two years of active) Top Secret clearance with SCI eligibility

Desired Qualifications:
  • Master's degree in Computer Science, Mathematics, GIS, or STEM-related field
  • Esri certification
  • CompTIA Security+ certification
  • Experience with containerization technologies such as Docker and Kubernetes
  • Familiarity with cloud platforms (Azure, AWS, or GCP)
  • Experience with monitoring, logging, and observability tools
  • Exposure to DevSecOps practices and secure development pipelines
  • Experience with ArcGIS Enterprise SDKs, automation frameworks, or platform extensions
  • Experience building services for geospatial analysis, data pipelines, or map services
  • Familiarity with enterprise authentication, proxies, and secure service architectures
  • Experience with relational and spatial databases (PostgreSQL/PostGIS, SQL Server, etc.)
  • Exposure to event-driven architectures, batch processing, or distributed data workflows

Benefits
At Trinity Global Consulting (TGC), we value our employees and provide a comprehensive benefits package that includes:
  • Medical, Dental & Vision Coverage - Coverage for eligible employees and family through CareFirst and VSP.
  • Paid Time Off - PTO granted in accordance with contract requirements.
  • Paid Holidays - 11 federal holidays observed annually.
  • Disability & Life Insurance - Short-term/long-term disability, life insurance, and AD&D coverage included.
  • 401(k) Retirement Plan - Competitive plan managed through Ameritas.
  • Professional Training - Formal training provided as required, with additional learning opportunities based on role.

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