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Freelance Java Backend Developer Jobs in Washington

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 Inc.

Backend Developer -Journeyman

Washington, DC · On-site

$57.25 - $74.25/hr

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.

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

$86K - $198K/yr

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 ...

Booz Allen Hamilton

Back End Developer

Mclean, VA · On-site

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 ...

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 ...

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 ...

Digital Links Inc

Backend Java Developer

Ashburn, VA · On-site

$51.75 - $67/hr

Backend Java Developer Location: Ashburn, VA (Hybrid - 2 Days Onsite) Employment Type: Full-Time Position Overview We are seeking a Backend Java Developer with strong experience building scalable ...

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Freelance Java Backend Developer jobs near you

Senior Backend Developer - Platform Engineering

Merrifield, VA • On-site

Indotronix International Corporation
Recruiting and Staffing Services • 1 - 5K employees
Learn more about Indotronix International Corporationexternal

$120K - $156K/yr

Full-time

Re-posted 6 days ago

Job description

Senior Backend Developer - Platform Engineering
Location: Merrifield, VA (Hybrid) | Job Type: C2C
About the Role
Join a forward-thinking platform engineering team as a Senior Backend Developer, driving the modernization and support of mission-critical backend services for leading mobile and online banking channels. You'll work closely with product teams, architects, and fellow engineers to deliver secure, scalable, and resilient solutions in a collaborative hybrid environment. This role empowers you to lead technical initiatives, mentor peers, and shape the future of digital banking infrastructure.
Responsibilities
- Design, develop, and maintain robust backend services and RESTful APIs using Java 17+ and Spring Boot.
- Build scalable, secure, and cloud-native applications leveraging Microsoft Azure services.
- Lead architectural discussions and contribute to innovative technical solutions.
- Collaborate across cross-functional teams to define, design, and implement new features.
- Troubleshoot complex systems, resolve performance bottlenecks, and drive root cause analysis.
- Champion code quality through code reviews and best engineering practices.
- Support application modernization, technical debt reduction, and CI/CD pipeline automation via Azure DevOps.
- Mentor and provide technical guidance to junior engineers.
- Evaluate and utilize AI-assisted development tools to boost productivity.
- Maintain high standards for code organization, documentation, and automation.
Required Skills and Experience
- Strong expertise in Java 17+ and Spring Boot.
- Proven experience designing and developing RESTful APIs and microservices.
- Deep understanding of web applications, web services, and distributed systems.
- Hands-on experience with Microsoft Azure (App Services, Azure SQL, Service Bus, API Management).
- Skilled in Git-based source control and Azure DevOps Repos.
- Proficient in building and maintaining CI/CD pipelines on Azure DevOps.
- Solid experience in databases, SQL, and data integration patterns.
- Agile/Scrum working experience.
- Familiarity with AI-powered tools like GitHub Copilot.
- Exceptional analytical, problem-solving, communication, and collaboration abilities.
- Quick learner with adaptability to new technologies and changing business needs.
Preferred Skills
- Experience with Docker, Kubernetes (AKS), and event-driven architectures.
- Background in banking or financial services.
- Knowledge of secure software development and regulatory considerations in financial systems.
- Awareness of sustainable coding practices and energy-efficient system design.
Benefits
- Opportunity to lead and mentor within a dynamic engineering team.
- Exposure to cutting-edge cloud technologies and AI-powered development tools.
- Hybrid work flexibility in a collaborative, growth-oriented environment.
- Direct impact on innovative digital banking solutions.
- Ongoing learning and career advancement opportunities.
How to Apply
Ready to advance your career and drive digital transformation in banking? Submit your resume through our job portal today.
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About Indotronix

Sourced by ZipRecruiter

In 1986, Indotronix established itself in the staffing space. 22 years later, Avani entered the scene, offering consulting and technology development. Finally, in 2016, the two joined forces to begin delivering talent across all areas, from Staffing to Consulting to unique platform development.

Industry

Recruiting and staffing services

Company size

1,001 - 5,000 Employees

Headquarters location

Rochester, NY, US

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