Senior React & Spring Boot Full-Stack Engineer (Mainframe)

Valiant Technologies LLC; Warren (MI); On-site; USD 90,000 - 120,000; Full time

Job summary

Valiant Technologies LLC is seeking a Senior Full Stack Developer with strong React.js and Spring Boot experience to join our team in Michigan. The role requires hands-on frontend and backend work, with exposure to IBM mainframe technologies.

The ideal candidate will be a strong full-stack developer first, comfortable integrating frontend with backend services and occasionally working with IBM z/OS components. A mix of W-2/1099/C2C arrangements is possible.

Qualifications

• 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.

Responsibilities

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

Skills

React.js

Spring Boot

Java backend

IBM z/OS

IBM z/OS Connect

REST APIs

Frontend-backend integration

Job description

Valiant Technologies LLC is seeking a Senior Full Stack Developer with strong React.js and Spring Boot experience to join our team in Michigan. The role requires hands-on frontend and backend work, with exposure to IBM mainframe technologies.

The ideal candidate will be a strong full-stack developer first, comfortable integrating frontend with backend services and occasionally working with IBM z/OS components. A mix of W-2/1099/C2C arrangements is possible.