Full Stack Developer - React, Java & Node.js

Visionaryz Inc.

New York (NY)

On-site

USD 110,000 - 140,000

Full time

4 days ago
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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
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