React.js Jobs in San Francisco, CA

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Lead Software Engineer

Mastercard

•

San Francisco, California, USA

Full-time

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest po
Posted 44 days ago | Updated moments ago

Senior Full Stack Software Engineer, Open Platform & AI Enablement

Roblox

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San Mateo, California, USA

Full-time

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences- all created by our global community of developers and creators. At Roblox, we're building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device.We're on a mission to connect a billion people with op
Posted 31 days ago | Updated moments ago

Senior Software Engineer - Wallet Core

BitGo

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San Francisco, California, USA

Full-time

BitGo is the leading infrastructure provider of digital asset solutions, delivering custody, wallets, staking, trading, financing, and settlement services from regulated cold storage. Since our founding in 2013, we have focused on enabling our clients to securely navigate the digital asset space. With a global presence and multiple Trust companies, BitGo serves thousands of institutions, including many of the industry's top brands, exchanges, and platforms, and millions of retail investors world
Posted 10 days ago | Updated moments ago

Software Engineer V

Aditi Consulting

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Remote or Arkansas City, Arkansas, USA

Contract

Payrate: $77.00 - $78.40/hr. Summary: As a Software Developer, you will play a key role in building robust and scalable software applications and services. You will work closely with our Technology and Products Teams to improve services and system architecture. Responsibilities: Application Development: Develop high-quality software solutions using Java, Spring Boot and React, ensuring scalability and robustness. Collaborative Innovation: Participate in brainstorming sessions and contribute idea
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Posted 12 days ago | Updated moments ago

Staff Software Engineer, Consumer Revenue

Discord Inc.

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Remote or San Francisco, California, USA

Full-time

Discord is used by over 200 million people every month for many different reasons, but there's one thing that nearly everyone does on our platform: play video games. Over 90% of our users play games, spending a combined 1.5 billion hours playing thousands of unique titles on Discord each month. Discord plays a uniquely important role in the future of gaming. We are focused on making it easier and more fun for people to talk and hang out before, during, and after playing games. We're looking for
Posted 60+ days ago | Updated moments ago

Principal Product Designer for a personal finance management company in Menlo Park, CA

OSI Engineering, Inc.

•

Menlo Park, California, USA

Full-time

We re looking for an experienced Principal Product Designer to join our team. This is an opportunity to work at a customer-driven company with a collaborative team that values technical excellence, innovation, and creativity while working together and having fun! In this role, you will work in a fast-paced and iterative environment that moves from sketch to ship in rapid design sprints. You ll collaborate closely with Product Management and Engineering to surface customer insights, prototype bol
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Posted 5 days ago | Updated 4 days ago

Designer & Hobby Hacker

Whissle

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Hayward, California, USA

Full-time

Job DescriptionAbout Whissle At Whissle, we conduct research and innovation in real-time signal processing and build practical applications that translate human-like voice and non-vocal cues to action. Our voice AI models, agents, and APIs power affordable, intelligent, and scalable agent-driven workflows from cars to smart homes to enterprise automation. We believe good design isn t just about pixels it s about intuitive, clever, and human-centered experiences across both physical and digital e
Posted 3 days ago | Updated 9 hours ago

Principal Software Engineer, Open Platform & AI Enablement

Roblox

•

San Mateo, California, USA

Full-time

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences- all created by our global community of developers and creators. At Roblox, we're building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device.We're on a mission to connect a billion people with op
Posted 29 days ago | Updated moments ago

Sr Software Engineer

Visa Inc.

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Foster City, California, USA

Full-time

Company Description Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial institutions, and government entities in more than 200 countries and territories each year. Our mission is to connect the world through the most innovative, convenient, reliable, and secure payments network, enabling individuals, businesses, and economies to thrive while driven by a common purpose - to uplift everyone, everywhe
Posted 4 days ago | Updated moments ago

Software Engineer II - (Frontend) Customer Obsession

Uber Corporate

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San Francisco, California, USA

Full-time

About the Role As a Frontend Software Engineer at Uber, you will architect highly-performant, reliable, scalable applications used by millions of external customers every day. You will have an outstanding opportunity to build a premier and first of its kind support experience for our users. You will work closely with our internal stakeholders across all lines of business - Rides, Eats, etc - to build and provide capability with flexible automation solutions on top of the automation platform.
Posted 60+ days ago | Updated moments ago

Designer (or designer who codes)

Rime Labs

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Hayward, California, USA

Full-time

Job DescriptionJob description and application: https://app.dover.com/apply/Rime/4b6c6d55-a271-4bb5-975b-684d4accdb6e Job Title: Product Designer Designer Who Codes Location: Hybrid + Flexible (San Francisco, CA) Experience Level: Mid-Senior About UsAt Rime, we're redefining the boundaries of voice AI. Our mission is to empower developers to build voice applications that sound genuinely human capturing nuances like laughter, sighs, and accents. Our cutting-edge speech synthesis models, such as A
Posted 19 days ago | Updated 9 hours ago

Frontend Engineer, AI Tooling, Self-Driving

Tesla Motors

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Palo Alto, California, USA

Full-time

As a member of the Autopilot AI Tooling team you will design and implement a diverse set of tools that power our machine learning workflows and Optimus. You will work closely with some of the best, world-class AI researchers and machine learning experts towards Tesla's goal of a self-driving future. The AI Tooling team is a central part of the Autopilot AI. The systems you build will have a target impact on our fleets ability to sense and perceive the world around it. Our team's tools help us a
Posted 12 days ago | Updated moments ago

Software Engineer, Hardware Test Automation

Tesla Motors

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Palo Alto, California, USA

Full-time

This team supports over a hundred stakeholders across a dozen hardware testing teams at Tesla by developing and continuously improving software related to hardware reliability test automation. This includes everything from writing code to interface with physical equipment/vehicle components, to creating an intuitive application layer for test engineers/technicians to deploying full-stack APIs, databases, and frontends. This Engineer has a lot of agency in deciding the roadmap to improving the re
Posted 5 days ago | Updated moments ago

Principal Product Designer for a personal finance management company in Menlo Park, CA

OSI Engineering

•

Menlo Park, California, USA

Full-time

Job DescriptionWe re looking for an experienced Principal Product Designer to join our team. This is an opportunity to work at a customer-driven company with a collaborative team that values technical excellence, innovation, and creativity while working together and having fun! In this role, you will work in a fast-paced and iterative environment that moves from sketch to ship in rapid design sprints. You ll collaborate closely with Product Management and Engineering to surface customer insights
Posted 1 day ago | Updated 22 hours ago

User Experience Design Specialist

SAP Americas, Inc.

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Palo Alto, California, USA

Full-time

Requisition ID: 427400 Work Area: Software-Design and Development Expected Travel: 0% Career Status: Professional Employment Type: Regular Full Time Career Level: T3-1 Additional Locations: Original Posting Date: 06/23/25 Job Title: User Experience Design Specialist Location: Palo Alto, CA Work Model: Hybrid Work Model Purpose and Objective: SAP Labs, LLC seeks a User Experience Design Specialist at our Palo Alto, CA location to develop and apply software design/usability processes in the invest
Posted 12 days ago | Updated moments ago

Senior Software Engineer - Audience Targeting

Disney Entertainment and ESPN Product & Technology

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San Francisco, California, USA

Full-time

On any given day at Disney Entertainment & ESPN Technology, we're reimagining ways to create magical viewing experiences for the world's most beloved stories while also transforming Disney's media business for the future. Whether that's evolving our streaming and digital products in new and immersive ways, powering worldwide advertising and distribution to maximize flexibility and efficiency, or delivering Disney's unmatched entertainment and sports content, every day is a moment to make a diffe
Posted 12 hours ago | Updated 9 hours ago

Senior Frontend Software Engineer, Open Platform & AI Enablement

Roblox

•

San Mateo, California, USA

Full-time

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences- all created by our global community of developers and creators. At Roblox, we're building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device.We're on a mission to connect a billion people with op
Posted 29 days ago | Updated moments ago

Senior Software Engineer (Frontend), API Client

Postman, Inc.

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San Francisco, California, USA

Full-time

Who Are We? Postman is the world's leading API platform, used by more than 40 million developers and 500,000 organizations, including 98% of the Fortune 500. Postman is helping developers and professionals across the globe build the API-first world by simplifying each step of the API lifecycle and streamlining collaboration-enabling users to create better APIs, faster. The company is headquartered in San Francisco and has an office in Bangalore, where it was founded. Postman is privately held,
Posted 50 days ago | Updated moments ago

Lead Software Engineer - Front End

Disney Entertainment and ESPN Product & Technology

•

San Francisco, California, USA

Full-time

Technology is at the heart of Disney's past, present, and future. Disney Entertainment and ESPN Product & Technology is a global organization of engineers, product developers, designers, technologists, data scientists, and more - all working to build and advance the technological backbone for Disney's media business globally. The team marries technology with creativity to build world-class products, enhance storytelling, and drive velocity, innovation, and scalability for our businesses. We are
Posted 12 hours ago | Updated 9 hours ago

Matterport - Staff Software Engineer, Platform - SF Bay Area

Costar Group

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San Francisco, California, USA

Full-time

Matterport - Staff Software Engineer, Platform - SF Bay Area Job Description CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500 Index and the NASDAQ 100, CoStar Group is on a mission to digitize the world's real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives. We have been living and breathing the world
Posted 54 days ago | Updated moments ago