Senior Full-Stack Dev: React + Spring Boot

Quantum Technologies. LLC; Warren (MI); On-site; USD 86,000 - 123,000; Full time

Job summary

Quantum Technologies LLC is seeking a Senior Full Stack Developer with strong React.js and Spring Boot experience. The role includes exposure to IBM mainframe technologies and z/OS environments.

You will be a hands-on developer first, delivering robust frontend and backend solutions while integrating with mainframe services. The position requires delivering scalable web applications, RESTful APIs, and collaborating with cross-functional teams to meet business needs.

Qualifications

• Experience with React.js front-end development and modern UI patterns.
• Strong Java backend development using Spring Boot.
• Exposure to IBM z/OS environments and related tooling.
• Familiarity with IBM z/OS Connect and mainframe integration.
• Experience integrating frontend with backend and mainframe services.

Responsibilities

• Develop user-friendly web applications using React.js.
• Build backend services and REST APIs with Spring Boot.

Skills

React.js

Spring Boot

Java backend

IBM z/OS

z/OS Connect

API Integration

CICS/IMS/Db2

Job description

Quantum Technologies LLC is seeking a Senior Full Stack Developer with strong React.js and Spring Boot experience. The role includes exposure to IBM mainframe technologies and z/OS environments.

You will be a hands-on developer first, delivering robust frontend and backend solutions while integrating with mainframe services. The position requires delivering scalable web applications, RESTful APIs, and collaborating with cross-functional teams to meet business needs.