Front-End Developer (TypeScript/JavaScript)

Cupertino, California

OSI Engineering
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Job Title: Front-End Developer (TypeScript/JavaScript)


Job Summary:

We are seeking a skilled Front-End Developer with strong expertise in JavaScript and TypeScript to join our engineering team. You will be responsible for developing responsive, high-performance user interfaces that provide seamless experiences across devices and browsers.


  • Responsibilities:Develop and maintain scalable front-end applications using JavaScript and TypeScript
  • Optimize application performance for speed and scalability
  • Integrate application with various backend services
  • Ensure cross-browser compatibility and mobile responsiveness
  • Write clean, maintainable, and well-documented code
  • Participate in code reviews, contribute to best practices, and team standards

  • Requirements:3+ years of front-end development experience
  • Strong proficiency in JavaScript (ES6+) and TypeScript
  • Experience with modern front-end frameworks (e.g., React, Angular, or Vue.js)
  • Solid understanding of HTML5, CSS3, and responsive design principles
  • Familiarity with version control systems (e.g., Git)
  • Ability to work collaboratively in an Agile development environment
  • Strong problem-solving and debugging skills

  • Preferred Qualifications:Familiarity with CI/CD pipelines and build tools (e.g., Webpack, Vite)
  • Knowledge of accessibility and web performance best practices

Location: Cupertino, CA OR Remote (PST hours)

Type: Contract

Duration: 12 months

Pay Rate Range: $60-80/h (DOE)

Date Posted: 06 June 2025
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