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React JS developer

CogniSoft TechnologiesSan Leandro, CA🇺🇸United StatesPosted 24 Aug 2026

Why This Role Stands Out

This React JS Developer role at CogniSoft Technologies offers significant growth potential as you'll lead development and mentor junior team members within a reputable tech company. You'll thrive here if you possess strong React JS skills and a collaborative spirit, ready to contribute to innovative projects. Apply now to join a dynamic team and advance your career!

Quick Overview

Seniority
Mid Senior
Work mode
On Site
Location
San Leandro, CA, United States
Posted
3 weeks ago
MochaAgileCSSGitHTMLJavaScriptJestReactReduxTypeScript

Job Description

Role: React JS developer

Location: San Leandro CA (client interview In-Person Must)

 

Responsibilities:

  • Lead the design, development, and implementation of software applications using React JS.
  • Collaborate with product managers, designers, and other stakeholders to define project requirements and specifications.
  • Ensure code quality through best practices, code reviews, and testing methodologies.
  • Mentor and guide junior developers, fostering a culture of continuous learning and improvement.
  • Manage project timelines, deliverables, and resources effectively to ensure successful project completion.
  • Identify and mitigate risks throughout the project lifecycle.
  • Stay updated with the latest industry trends and technologies to enhance the development process.
  • Participate in Agile ceremonies and contribute to the overall improvement of the development process.

Mandatory Skills:

  • Strong proficiency in React JS, including experience with state management libraries such as Redux or Context API.
  • Solid understanding of JavaScript, HTML, and CSS.
  • Experience with RESTful APIs and integrating front-end applications with back-end services.
  • Familiarity with version control systems, particularly Git.
  • Ability to troubleshoot and debug applications effectively.
  • Excellent problem-solving skills and attention to detail.

Preferred Skills:

  • Experience with TypeScript and modern JavaScript frameworks.
  • Knowledge of testing frameworks such as Jest or Mocha.
  • Familiarity with cloud services and deployment processes.
  • Understanding of responsive design principles and mobile-first development.
  • Experience with Agile methodologies and project management tools.

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