Java Developer

Quantum Technologies LLC; Alexandria (VA); On-site; USD 98,000 - 139,000; Full time

Job summary

Quantum Technologies. LLC is seeking an experienced Senior Software Developer specializing in Java and cloud-native architectures. You will design, build, deploy, and support enterprise-grade applications using Java, Spring Boot, and Azure.

You will develop RESTful APIs and microservices, integrate external data feeds, and drive CI/CD and automated testing initiatives in a distributed environment.

Qualifications

• 7+ years of professional software development experience.
• 5+ years of Java development (Java 11/17/21).
• 5+ years of Spring Boot and Spring Framework.
• 5+ years of RESTful APIs, microservices, and distributed enterprise apps.

Responsibilities

• Design, develop, test, and maintain enterprise applications using Java, Spring Boot, and Azure.
• Develop RESTful APIs, microservices, and enterprise system integrations.
• Build scalable, secure, highly available cloud-native apps.
• Integrate real-time data from APIs and external feeds.
• Handle production troubleshooting and performance optimization.
• Implement CI/CD pipelines, automated testing, and release management.
• Collaborate with analysts, architects, and other developers.
• Participate in architecture discussions, code reviews, and docs.
• Support enterprise apps, system integrations, reliability, and security.

Skills

Java development

Spring Boot

RESTful APIs

Microservices

Azure cloud

OOP & design patterns

Multithreading & concurrency

JSON/XML/WebSockets

Job description

US Citizen, Green Card, H-1B, OPT-EAD, CPT, Other

Job Title:Java Developer
Location:Alexandria, VA
Duration: 12 Months + Extension
Bill Rate: $86/hour
Job Type: W-2, 1099, C2C
Client: To Be Discussed Later
Work Authorization: US-Citizen, H-1B, OPT-EAD, GC-EAD

Job Description

We are seeking an experienced Senior Software Developer with strong expertise in Java, Spring Boot, RESTful APIs, microservices, and Microsoft Azure cloud technologies. The ideal candidate will have extensive experience designing, developing, deploying, and supporting enterprise-level cloud-native applications, distributed systems, and integrations.

Key Responsibilities:

• Design, develop, test, and maintain enterprise applications using Java, Spring Boot, and Microsoft Azure.
• Develop RESTful APIs, microservices, and enterprise system integrations.
• Build scalable, secure, and highly available cloud-native applications.
• Integrate real-time data from APIs, messaging systems, and external data feeds.
• Handle production troubleshooting, root cause analysis, and performance optimization.
• Implement CI/CD pipelines, automated testing, and release management.
• Collaborate with business analysts, architects, infrastructure teams, and developers.
• Participate in architecture discussions, code reviews, and technical documentation.
• Support enterprise applications, system integrations, application reliability, and security.

Required Skills & Qualifications:

• 7+ years of professional software development experience.5+ years of Java development experience (Java 11/17/21).
• 5+ years of Spring Boot and Spring Framework.
• 5+ years of RESTful APIs, microservices, and distributed enterprise applications.
• Strong knowledge of OOP, design patterns, multithreading, concurrency, and asynchronous processing.
• Experience with JSON, XML, HTTP/HTTPS, WebSockets, and third-party API integrations.

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.