Full Stack Developer - React, Java & Node.js

Visionaryz Inc.; New York (NY); On-site; USD 110,000 - 140,000; Full time

Job summary

Visionaryz Inc. is seeking an experienced Full Stack Developer to design, build, and maintain enterprise mobile and web applications. You will work across front-end, back-end, and integration layers to deliver secure, scalable software.

You will develop mobile apps with React Native, web apps with ReactJS, and backend services with Node.js and Java/Spring Boot. Expect to design RESTful APIs, implement IAM controls, and integrate with enterprise identity platforms.

Qualifications

• Strong ReactJS and React Native experience.
• Strong Node.js and Java/Spring Boot experience.
• Extensive experience with RESTful APIs and API Management.
• Strong understanding of Object-Oriented Programming and software design patterns.
• Strong experience with OAuth 2.0, SAML, SSO, and Identity & Access Management (IAM).
• Hands-on experience implementing secure authentication and authorization.

Responsibilities

• Develop mobile applications using React Native.
• Build web applications using ReactJS.
• Develop backend services using Node.js and Java/Spring Boot.
• Design, develop, integrate, and maintain RESTful APIs.
• Upgrade and modernize Spring Boot applications.
• Implement secure authentication and authorization solutions.
• Integrate applications with enterprise IAM platforms.
• Support application deployments and production environments.
• Troubleshoot complex application issues; participate in architecture and design discussions.
• Conduct code reviews, testing, and technical documentation.

Skills

ReactJS

React Native

Node.js

Java/Spring Boot

RESTful APIs

OO programming

IAM

Secure authentication

OIDC

Tools

API Management

Git

CI/CD

Docker

Kubernetes

OpenID Connect

Job description

We’re looking for an experienced Full Stack Developer to design, develop, maintain, and support enterprise mobile and web applications.

REQUIRED QUALIFICATIONS

• Strong ReactJS and React Native experience
• Strong Node.js and Java/Spring Boot experience
• Extensive experience with RESTful APIs and API Management
• Strong understanding of Object-Oriented Programming and software design patterns
• Strong experience with OAuth 2.0, SAML, SSO, and Identity & Access Management (IAM)
• Hands-on experience implementing secure authentication and authorization

KEY RESPONSIBILITIES

• Develop mobile applications using React Native
• Build web applications using ReactJS
• Develop backend services using Node.js and Java/Spring Boot
• Design, develop, integrate, and maintain RESTful APIs
• Upgrade and modernize Spring Boot applications
• Implement secure authentication and authorization solutions
• Integrate applications with enterprise IAM platforms
• Support application deployments and production environments
• Troubleshoot complex application issuesParticipate in architecture and design discussions
• Conduct code reviews, testing, and technical documentation

HIGHLY DESIRABLE

• IDCS and OpenID Connect (OIDC)
• API Gateway / Microservices
• TypeScript, HTML5, and CSS3
• Git and CI/CD
• Docker and Kubernetes
• Python scripting and automation
• SQLite / offline-first mobile applications
• AI-assisted development tools such as Claude, Claude CLI, GitHub Copilot, or similar
• Strong troubleshooting and technical leadership skills