react js developer

24 hours ago


Los Angeles, California, United States Tek Spikes Full time
Job Title: Senior Developer (9+ Years Experience)

Location: Onsite
Employment Type: Contract
Experience: 9+ Years

Job Summary

We are looking for a highly skilled Senior Developer with extensive experience in building scalable, high-performance web applications. The ideal candidate should have deep expertise in , JavaScript/TypeScript, modern UI development, and the ability to lead front-end development initiatives.

Key Responsibilities
  • Develop and maintain web applications using , TypeScript, JavaScript (ES6+)
  • Design and implement reusable components, hooks, and UI libraries
  • Optimize application performance, accessibility, and responsiveness
  • Integrate RESTful APIs / GraphQL to support front-end functionalities
  • Work with UX/UI teams to convert wireframes and prototypes into high-quality code
  • Collaborate with backend, DevOps, QA, and product teams during the development lifecycle
  • Conduct code reviews, ensure coding standards and best practices
  • Drive architectural decisions and provide mentorship to junior developers
  • Participate in Agile / Scrum ceremonies
Required Skills & Experience
  • 9+ years of total IT experience with minimum 6+ years in
  • Strong expertise in:
    • , Redux / Context API / Hooks
    • JavaScript (ES6+) & TypeScript
    • HTML5, CSS3, SASS/SCSS, Bootstrap / Material UI
    • REST APIs / GraphQL integration
  • Experience with Webpack, Vite, Babel, npm/yarn
  • Clear understanding of component lifecycle, state management, virtual DOM
  • Hands-on experience with Unit Testing (Jest, React Testing Library, Cypress etc.)
  • Experience working with Git, CI/CD pipelines
  • Strong debugging, performance optimization & problem-solving skills
Good to Have
  • Knowledge of ,
  • Experience with Micro-frontend architecture
  • Familiarity with cloud platforms (AWS / Azure / GCP)


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