Java Backend Engineer — Hybrid (Vienna, VA)

System One; Vienna (VA); Hybrid; USD 83,000 - 124,000; Part time

Job summary

System One in Vienna, VA is seeking a Java Backend Engineer for a contract, long-term role with hybrid work (3 days onsite, 2 remote). The position requires strong Java (preferably Java 17+), Spring/Spring Boot, RESTful APIs, and cloud experience (Azure preferred).

On-site work in Vienna, VA with a 40-hour week. Responsibilities include designing and maintaining secure backend services, ensuring performance and reliability, and collaborating across teams.

Qualifications

• Strong Java experience, with Java 17+ or newer preferred.
• Spring, Spring Boot, web services, and RESTful APIs knowledge.
• Experience with JUnit and Mockito testing frameworks.
• Proficiency with Git and CI/CD tools (Maven, Docker, Jenkins, GitHub, Azure DevOps).
• Strong understanding of databases, SQL, and data integration patterns.
• Experience troubleshooting distributed systems and designing scalable microservices.
• Experience developing cloud-native applications, Azure preferred.
• Effective communication and collaboration skills.

Responsibilities

• Design, build, and maintain secure backend services and APIs for mobile, web, and partner systems.
• Focus on performance, reliability, observability, quality, and responsiveness.
• Collaborate with cross-functional teams to deliver technical solutions.
• Develop and maintain unit, integration, and automated tests.

Skills

Java 17+

Spring/Spring Boot

RESTful APIs

JUnit/Mockito

Git/CI-CD

Azure Cloud

Distributed Systems

Communication

Tools

Maven

Docker

Jenkins

GitHub

Azure DevOps

Git

Job description

System One in Vienna, VA is seeking a Java Backend Engineer for a contract, long-term role with hybrid work (3 days onsite, 2 remote). The position requires strong Java (preferably Java 17+), Spring/Spring Boot, RESTful APIs, and cloud experience (Azure preferred).

On-site work in Vienna, VA with a 40-hour week. Responsibilities include designing and maintaining secure backend services, ensuring performance and reliability, and collaborating across teams.