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Backend Engineer Java Jobs in Washington (NOW HIRING)

System One

Senior Backend Developer

Merrifield, VA · On-site

$120K - $156K/yr

Senior Java Backend Developer Location: Vienna or Winchester, VA, San Diego, CA, or Pensacola, FL ... The ideal candidate is a strong Java engineer who brings technical leadership, cloud expertise, and ...

Agile Defense

Software Engineer (Java, OpenFGA)

Rosslyn, VA · Hybrid

$165K - $175K/yr

Software Engineer (Java, OpenFGA) Location: Hybrid, Rosslyn, VA Clearance Level: Secret, Must Have ... Design, develop, and maintain backend microservices and distributed systems to support enterprise ...

SmartIPlace

Backend Software Engineer

Washington, DC · On-site

Job Title: Backend Software Engineer Location: Washington, DC Requirement The Senior Backend ... This role involves designing and building robust, high-performance systems using Java 17, Spring ...

SAIC

Java Backend Developer Senior

Ashburn, VA · On-site

$120K - $160K/yr

Working closely with the tech lead and senior developers, the Java Developer will participate in ... back-end application involving extensive Messaging and Transaction processing. * Must be hands on ...

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 ...

SAIC

Java Backend Developer Senior

Ashburn, VA · Hybrid

$120K - $160K/yr

SW Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: None ... java backend application involving extensive messaging and transaction processing. * Design and ...

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Backend Engineer Java information

What does a backend engineer Java do?

A Backend Engineer Java is responsible for developing and maintaining the server-side logic, databases, and application programming interfaces (APIs) using the Java programming language. They ensure that the backend of web applications or software systems is efficient, secure, and scalable. Their work often involves collaborating with frontend developers, designing system architecture, and optimizing performance to handle large volumes of user requests. Backend Java engineers often use frameworks such as Spring or Hibernate and work with databases like MySQL or PostgreSQL.

What is the difference between Backend Engineer Java vs Backend Developer Java?

AspectBackend Engineer JavaBackend Developer Java
Primary FocusDesigning, developing, and maintaining server-side applications and systemsImplementing and coding backend functionalities based on specifications
ResponsibilitiesSystem architecture, performance optimization, API developmentWriting code, debugging, integrating databases
Skills & CertificationsJava, Spring, REST APIs, SQL, cloud platformsJava, Spring, SQL, version control, testing tools
Work EnvironmentCollaborative teams, project planning, architecture designCode implementation, debugging, feature development

Both roles require Java expertise and similar certifications, but Backend Engineer Java typically involves higher-level system design and architecture responsibilities, while Backend Developer Java focuses more on coding and implementing features. Employers often see these roles as complementary within software development teams.

What are the key skills and qualifications needed to thrive as a backend engineer Java?

To thrive as a Backend Engineer Java, you need a solid understanding of Java programming, data structures, algorithms, and experience with backend frameworks, typically supported by a relevant degree or industry experience. Familiarity with tools and technologies such as Spring Boot, RESTful APIs, relational databases, and build systems like Maven or Gradle is commonly required. Problem-solving ability, teamwork, and effective communication are crucial soft skills for excelling in collaborative and fast-paced development environments. These combined skills ensure robust, scalable backend systems that meet business needs and integrate smoothly within larger software architectures.

How does a backend engineer Java typically collaborate with frontend developers and other stakeholders in a project?

As a Backend Engineer Java, you will regularly collaborate with frontend developers to ensure seamless integration between server-side logic and user interfaces. This often involves participating in design discussions, clarifying API requirements, and troubleshooting integration issues. You’ll also engage with product managers, QA engineers, and sometimes DevOps teams to align on project goals, timelines, and deployment strategies. Effective communication is key to translating business requirements into reliable backend solutions and maintaining smooth workflows across the team.
What are popular job titles related to Backend Engineer Java jobs in Washington? For Backend Engineer Java jobs in Washington, the most frequently searched job titles are:
What job categories do people searching Backend Engineer Java jobs in Washington look for? The top searched job categories for Backend Engineer Java jobs in Washington are:
What cities in Washington are hiring for Backend Engineer Java jobs? Cities in Washington with the most Backend Engineer Java job openings:
Backend Engineer Java jobs near you
Infographic showing various Backend Engineer Java job openings in Washington as of August 2026, with employment types broken down into 89% Full Time, 6% Part Time, and 5% Contract. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution.

Senior Backend Developer

System One

Merrifield, VA • On-site

$120K - $156K/yr

Contractor

Medical, Dental, Vision, Life, Retirement

Posted 11 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