ReactJS Engineer: Build Scalable Web Apps

Quantum Technologies. LLC; Florida; On-site; USD 90,000 - 120,000; Full time

Job summary

Quantum Technologies, LLC is seeking a software engineer to design, build, and maintain scalable web applications using Java and modern frontend technologies. You will develop backend services with Core Java, Spring MVC, Struts, and Hibernate, and implement RESTful and SOAP-based APIs.

You will work with MySQL/Oracle/SQL Server databases, optimize performance, and collaborate across cross-functional teams to deliver end-to-end solutions. Strong Git, Maven, and Tomcat experience are valued.

Qualifications

• Strong knowledge of Java, Spring MVC, Hibernate
• Experience building RESTful and SOAP web services
• Exposure to microservices architectures and API design
• Proficiency with relational databases (MySQL, Oracle, SQL Server)
• Experience with Git-based version control and Maven-based builds

Responsibilities

• Design, develop, test, and maintain scalable web applications using Java and frontend technologies.
• Develop backend applications using Core Java, Spring MVC, Struts, and Hibernate.
• Develop and integrate RESTful and SOAP-based web services.
• Design and implement API-based microservices architectures.
• Work with relational databases and optimize queries and performance.
• Implement frontend/backend integrations using JSON and AJAX.
• Develop reusable UI components and responsive interfaces.
• Collaborate with cross-functional teams throughout the SDLC.

Skills

Java

Spring MVC

Hibernate

RESTful services

SOAP

Microservices

SQL & databases

JSON & AJAX

Frontend basics

Tools

Tomcat

Maven

GitHub

JUnit

Job description

Quantum Technologies, LLC is seeking a software engineer to design, build, and maintain scalable web applications using Java and modern frontend technologies. You will develop backend services with Core Java, Spring MVC, Struts, and Hibernate, and implement RESTful and SOAP-based APIs.

You will work with MySQL/Oracle/SQL Server databases, optimize performance, and collaborate across cross-functional teams to deliver end-to-end solutions. Strong Git, Maven, and Tomcat experience are valued.