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React Typescript Jobs in California (NOW HIRING)

Implement UI components and user interactions in React + TypeScript * Support backend endpoints, data models, and APIs * Test, debug, and improve performance for real-time workflows * Learn from ...

Implement UI components and user interactions in React + TypeScript * Support backend endpoints, data models, and APIs * Test, debug, and improve performance for real-time workflows * Learn from ...

The ideal candidate is a product-minded engineer with deep expertise in modern web development (React, TypeScript, Node) and a strong sense of design and user interaction quality. You care about ...

Showing results 41-60

React Typescript information

What is the difference between React Typescript vs React JavaScript?

AspectReact TypescriptReact JavaScript
Required CredentialsBasic knowledge of JavaScript, TypeScript fundamentals, optional TypeScript certificationsProficiency in JavaScript, familiarity with React
Work EnvironmentWeb development, front-end projects, teams using TypeScriptWeb development, front-end projects, teams using JavaScript
Industry UsagePopular in enterprise applications, large-scale projectsWidely used across startups and small projects
Search & Comparison IntentDevelopers choosing between React with TypeScript or JavaScriptDevelopers evaluating React with JavaScript or TypeScript

React TypeScript and React JavaScript are both popular choices for front-end development. TypeScript adds static typing to React, improving code quality and maintainability, especially in large projects. JavaScript is more flexible and easier for quick prototyping. The choice depends on project size, team expertise, and specific requirements.

What are common challenges faced by React TypeScript developers when integrating with backend APIs?

One frequent challenge for React TypeScript developers is ensuring strong type safety when consuming data from backend APIs, especially when API responses can be inconsistent or evolve over time. Developers must often create or update TypeScript interfaces to accurately reflect the shape of the data, handle potential null or undefined values, and use type guards to ensure robustness. Collaborating closely with backend teams and maintaining clear API documentation can help mitigate these challenges and streamline the integration process.

What is a React TypeScript developer?

React TypeScript developers are software engineers who specialize in building user interfaces using the React JavaScript library combined with TypeScript, a statically typed superset of JavaScript. They leverage TypeScript's type safety to write more reliable and maintainable React components and applications. Their role typically involves creating interactive web applications, ensuring code quality, and collaborating with designers and backend developers. React TypeScript developers are in high demand due to the popularity of both React and TypeScript in modern web development.

What skills and qualifications are needed to thrive as a React TypeScript developer?

To thrive as a React TypeScript Developer, you need a strong grasp of JavaScript, TypeScript, React.js, and a good understanding of front-end development best practices, typically backed by a degree in computer science or related experience. Familiarity with version control systems like Git, modern build tools, and package managers (such as Webpack, npm/yarn), as well as experience with REST APIs and testing frameworks, is essential. Strong problem-solving skills, attention to detail, and effective communication are vital soft skills in this role. These skills ensure robust, maintainable codebases, effective teamwork, and the delivery of high-quality user interfaces.
What job categories do people searching React Typescript jobs in California look for? The top searched job categories for React Typescript jobs in California are:
What cities in California are hiring for React Typescript jobs? Cities in California with the most React Typescript job openings:
Infographic showing various React Typescript job openings in California as of August 2026, with employment types broken down into 1% As Needed, 72% Full Time, 21% Part Time, 2% Temporary, and 4% Contract. Highlights an 87% Physical, 3% Hybrid, and 10% Remote job distribution.

Senior Fullstack Engineer, Growth & Monetization

LangChain

San Francisco, CA • On-site

Full-time

Re-posted 20 days ago


Job description

Job Summary:
LangChain is a company focused on making intelligent agents ubiquitous through their platform for building and operating AI agents. They are seeking a Senior Fullstack Engineer to develop foundational product features that enhance user acquisition and engagement, working closely with various teams to optimize growth systems.
Responsibilities:
• Work across our stack (React, TypeScript, Python, Go) to deliver full-stack product features that drive growth and retention
• Build flexible experimentation systems and processes capable of targeting diverse growth metrics
• Participate in data-driven, rapid growth experiments across the user funnel from onboarding to monetization
• Design and ship new onboarding features and improvements that accelerate time to value
• Build growth levers including usage-based guardrails, smart upgrade triggers, and contextual CTAs
• Collaborate closely with product, design, GTM, and analytics teams to identify, prioritize, and execute high-impact growth opportunities
Qualifications:
Required:
• Extensive fullstack software development experience using React, TypeScript, and Go and/or Python
• Strong product intuition and a track record of working on monetization, pricing, or activation features
• Familiarity with usage metering, subscriptions, and internal tooling for pricing experiments
• Comfortable working with REST APIs, Postgres, Redis, and modern backend infra
• Startup DNA with the ability to thrive in fast-paced, zero-to-one environments
• Self-directed with an ownership mindset
Preferred:
• Experience building for developers or product-led growth platforms
• Familiarity with LLMs, GenAI applications, or agentic frameworks
Company:
LangChain is a platform that provides open-source frameworks and tools for engineering and deploying language model agents. Founded in 2022, the company is headquartered in San Francisco, USA, with a team of 51-200 employees. The company is currently Growth Stage.