ReactJS Engineer

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

Design, develop, test, and maintain scalable web applications using Java and modern 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 such as MySQL, Oracle, and SQL Server.

Develop database queries, stored procedures, and optimize database performance.

Implement frontend and backend integrations using JSON and AJAX.

Develop and maintain reusable UI components and responsive web interfaces.

Work with C# and .NET Core for application integration and development.

Manage source code using GitHub and support version control practices.

Build and deploy applications using Apache Tomcat and Maven.

Perform application debugging, unit testing, troubleshooting, and performance optimization.

Collaborate with cross-functional teams throughout the software development lifecycle.

Design, develop, test, and maintain scalable web applications using Java and modern 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 such as MySQL, Oracle, and SQL Server.

Develop database queries, stored procedures, and optimize database performance.

Implement frontend and backend integrations using JSON and AJAX.

Develop and maintain reusable UI components and responsive web interfaces.

Work with C# and .NET Core for application integration and development.

Manage source code using GitHub and support version control practices.

Build and deploy applications using Apache Tomcat and Maven.

Perform application debugging, unit testing, troubleshooting, and performance optimization.

Collaborate with cross-functional teams throughout the software development lifecycle.

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.