Senior Full Stack Developer with strong React.js

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

Senior Full Stack Developer with strong React.js

Duration:

24Months+ Extension

Domain Exposure:

Pharmaceuticals

Client:

To Be Discussed Later

Employment Type:

W-2, 1099, C2C

Work Authorization:

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

Title: Senior Full Stack Developer with strong React.js

Duration: 24 Months+ Extension

Bill Rate: $76/hour(C2C)

Job Type: W-2, 1099, C2C

Client: To Be Discussed Later

Work Authorization: USC, GC, H-1B, OPT-EAD, GC-EAD, H4-EAD

Job Summary

We are seeking a Senior Full Stack Developer with strong React.js and Spring Boot experience, along with exposure to IBM Mainframe technologies.
The ideal candidate should be a strong full-stack developer first, with some hands-on mainframe experience.

Required Technical Skills:

• Strong hands-on experience with React.js.
• Strong Spring Boot / Java backend development.
• Exposure to IBM z/OS environments.
• Experience with IBM z/OS Connect.
• Experience integrating frontend applications with backend/mainframe services.
• Knowledge of CICS, IMS, or Db2 is preferred.

Key Responsibilities:

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

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.