Senior Java Full Stack Developer

Quantum Technologies. LLC; Charlotte (NC); Hybrid; USD 91,000 - 124,000; Full time

Job summary

Quantum Technologies LLC seeks a Senior Java Full Stack Developer to design, build, and maintain scalable enterprise applications. You will work across teams to deliver robust RESTful services and responsive front-ends using Angular or React.js.

The role emphasizes Java 8+, Spring Boot, microservices, and CI/CD pipelines in a hybrid Charlotte environment. The ideal candidate has 7+ years in Java, experience with Spring Framework, SQL databases, and Docker/Kubernetes, and will collaborate with

Qualifications

• 7+ years of experience in Java development.
• Strong hands-on experience with Java 8 or later.
• Expertise in Spring Boot, Spring MVC, and Spring Framework.
• Experience developing Microservices and RESTful APIs.
• Strong knowledge of Angular or React.js.
• Experience with Hibernate and JPA.
• Strong SQL skills with Oracle/MySQL/PostgreSQL.
• Knowledge of Docker and Kubernetes.
• Experience with Jenkins and CI/CD pipelines.
• Familiarity with Git, Maven, and Agile methodologies.

Responsibilities

• Design, develop, and maintain enterprise applications using Java and Spring Boot.
• Build scalable RESTful APIs and microservices architectures.
• Develop responsive front-end applications using Angular or React.js.
• Implement application business logic and backend services.
• Integrate applications with relational and NoSQL databases.
• Develop and optimize SQL queries and database operations.
• Implement application security, authentication, and authorization.
• Participate in design reviews, coding standards, and technical discussions.
• Troubleshoot issues and improve system performance.
• Develop and maintain CI/CD pipelines for automated deployments.
• Collaborate with DevOps, QA, and product teams.
• Prepare technical documentation.

Skills

Java

Spring Boot

Microservices

Angular

React

Hibernate/JPA

SQL

Git

Maven

Jenkins

Agile

Tools

Docker

Kubernetes

Job description

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

Job Title: Senior Java Full Stack Developer
Location: Charlotte, NC (Hybrid)
Duration: 12 Months Contract
Bill Rate: $78/hr
Job Type: W-2, 1099, C2C
Client: To be Disclosed
Work Authorization: US Citizen, Green Card, OPT-EAD, CPT, H-1B, H4-EAD, Other

Job Description

We are seeking an experienced Senior Java Full Stack Developer with strong expertise in Java, Spring Boot, Microservices, and modern front-end technologies. The ideal candidate will be responsible for designing, developing, and maintaining scalable enterprise applications while collaborating with cross-functional teams.

Roles and Responsibilities

• Design, develop, and maintain enterprise applications using Java and Spring Boot.
• Build scalable RESTful APIs and microservices architectures.
• Develop responsive front-end applications using Angular or React.js.
• Implement application business logic and backend services.
• Integrate applications with relational and NoSQL databases.
• Develop and optimize SQL queries and database operations.
• Implement application security, authentication, and authorization.
• Participate in application design, code reviews, and technical discussions.
• Troubleshoot application issues and improve system performance.
• Develop and maintain CI/CD pipelines for automated deployments.
• Collaborate with DevOps, QA, and product teams.
• Prepare technical documentation and maintain coding standards.

Required Skills

• 7+ years of experience in Java development.
• Strong hands‑on experience with Java 8 or later.
• Expertise in Spring Boot, Spring MVC, and Spring Framework.
• Experience developing Microservices and RESTful APIs.
• Strong knowledge of Angular or React.js.
• Experience with Hibernate and JPA.
• Strong SQL skills and experience with Oracle, MySQL, or PostgreSQL.
• Knowledge of Docker and Kubernetes.
• Experience with Jenkins and CI/CD pipelines.
• Familiarity with Git, Maven, and Agile methodologies.
• Strong debugging and problem‑solving skills.

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.