React.js / Full-Stack Developer

OPTIME TECH
United States
2 months ago
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Role details

Contract type
Temporary contract
Employment type
Full-time (> 32 hours)
Experience level
Expert
Experience required
4 years minimum
Working hours
Regular working hours
Job source

Tech stack

Java (Programming Language) JavaScript (Programming Language) Amazon Web Services Continuous Integration Python (Programming Language) OAuth OpenID E2e Testing Software Engineering Systems Integration Web Applications Web Performance Optimization
+9 more
Okta ReactJS Backend Build Management Front End Software Development React Redux React Testing Library Restful APIs Microservices

Job description

We are seeking a Senior React.js / Full-Stack Developer with strong frontend expertise and hands-on backend development experience in Java and/or Python to design, build, and optimize scalable, high-performance web applications.

Requirements

  • 8-10 years of professional software development experience.
  • 4-6 years of strong professional experience developing modern web applications using React.js.
  • Strong experience designing and developing scalable, high-performance React.js applications.
  • Experience optimizing React applications using useMemo, useCallback, React.memo, and efficient component design.
  • Experience building or contributing to reusable component libraries and design systems.
  • Strong understanding of frontend performance, accessibility, maintainability, and scalability.
  • Experience architecting frontend solutions from the ground up.
  • Strong experience with Redux Toolkit, React Context, or similar state-management solutions.
  • 4-6 years of hands-on backend development experience with Java and/or Python.
  • Experience building or integrating RESTful APIs, backend services, or microservices.
  • Experience with Jest, React Testing Library, and E2E testing.
  • Experience with OAuth, Okta, and OIDC, including secure sign-in, token handling, and authentication integration.

Nice to Have

  • Micro-Frontends
  • AWS
  • CI/CD
  • Experience with frontend build and deployment processes
  • Strong communication and cross-functional collaboration skills

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