React.js Jobs in California

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Sr. UI Engineer

Esri

•

Redlands, California, USA

Full-time

Overview Calcite is a design system and developer platform used by product teams and Esri's external partners to craft engaging and consistent user experiences across web mapping applications. We are looking for a Principal UI Engineer who is fluent in front-end technologies and is proficient in Figma to prototype new components, simplify Calcite workflows for managing shared styles, ensure UI component consistency as well as evangelizing those practices at Esri to help product teams adopt them
Posted 6 days ago | Updated 7 hours ago

Sr. UI Engineer

Esri

•

Remote

Full-time

Overview Calcite is a design system and developer platform used by product teams and Esri's external partners to craft engaging and consistent user experiences across web mapping applications. We are looking for a Principal UI Engineer who is fluent in front-end technologies and is proficient in Figma to prototype new components, simplify Calcite workflows for managing shared styles, ensure UI component consistency as well as evangelizing those practices at Esri to help product teams adopt them
Posted 6 days ago | Updated 7 hours ago

Principal Engineer Software (UI Cloud Platform Management)

PaloAlto Networks

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Santa Clara, California, USA

Full-time

Company Description Our Mission At Palo Alto Networks everything starts and ends with our mission: Being the cybersecurity partner of choice, protecting our digital way of life. Our vision is a world where each day is safer and more secure than the one before. We are a company built on the foundation of challenging and disrupting the way things are done, and we're looking for innovators who are as committed to shaping the future of cybersecurity as we are. Who We Are We take our mission of
Posted 2 days ago | Updated 7 hours ago

Associate Applications Developer / Remote

Motion Recruitment Partners, LLC

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Remote or Memphis, Tennessee, USA

Full-time

Our client is looking for a Associate Applications Developer on a 11-month contract in Memphis, TN. Join over 20,000 employees at this global company specializing in technology-enabled claims and risk management solutions. You will be part of a culture that is constantly recognized for progressive, inclusive employment practices, and be part of a bigger movement to simplify complexities in the areas of workers compensation, liability, property, disability, and absence management. You will work a
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Posted 9 days ago | Updated 2 hours ago

Senior Software Engineering - Billing Platform

Snowflake Inc.

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San Jose, California, USA

Full-time

Where Data Does More. Join the Snowflake team. Are you interested in building the only one Data Cloud that unlocks near-unlimited data opportunities? Are you excited about building systems with near-infinite scalability, performance and flexibility? Would you like to be part of one of the fastest-growing companies with tremendous growth opportunities? Then don't miss out on this opportunity. One customer favorite for Snowflake is the "Pay for what you use" pricing model. Computing Snowflake's
Posted 60+ days ago | Updated 7 hours ago

Software Engineer Billing Platform

Snowflake Inc.

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San Jose, California, USA

Full-time

Where Data Does More. Join the Snowflake team. Are you interested in building the only one Data Cloud that unlocks near-unlimited data opportunities? Are you excited about building systems with near-infinite scalability, performance and flexibility? Would you like to be part of one of the fastest-growing companies with tremendous growth opportunities? Then don't miss out on this opportunity. One customer favorite for Snowflake is the "Pay for what you use" pricing model. Computing Snowflake's
Posted 60+ days ago | Updated 6 hours ago

Software Engineer 5- TV Client Foundations

Netflix, Inc.

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Remote

Full-time

Netflix is one of the world's leading entertainment services, with 283 million paid memberships in over 190 countries enjoying TV series, films and games across a wide variety of genres and languages. Members can play, pause and resume watching as much as they want, anytime, anywhere, and can change their plans at any time. The Team The TV Client Foundations team aims to provide a holistic, world-class experience for creating TV applications, including Netflix's flagship streaming app. We enab
Posted 60+ days ago | Updated 7 hours ago

Senior Staff Software Engineer, Client Platform

Discord Inc.

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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 7 hours ago

.Net Developer

Vertisystem Inc.

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Los Angeles, California, USA

Contract

Location: Los Angeles, CA Duration:12 months Skills Preferred The Principal Application Developer to lead the design, development, and integration of enterprise-level applications and systems across PHIS and SAPC IT. This role requires expertise in software engineering using C#.NET, ASP.NET Core, MVC, Web APIs, JavaScript frameworks (e.g., AngularJS, React), SQL Server, and Oracle, with a focus on cloud-native development and modern design patterns. The ideal candidate will oversee CI/CD pipelin
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Posted 38 days ago | Updated 23 hours ago

Staff Software Engineer, Platform Security

ServiceNow, Inc.

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San Diego, California, USA

Full-time

Company Description It all started in sunny San Diego, California in 2004 when a visionary engineer, Fred Luddy, saw the potential to transform how we work. Fast forward to today - ServiceNow stands as a global market leader, bringing innovative AI-enhanced technology to over 8,100 customers, including 85% of the Fortune 500 . Our intelligent cloud-based platform seamlessly connects people, systems, and processes to empower organizations to find smarter, faster, and better ways to work. But thi
Posted 17 days ago | Updated 7 hours ago

Software Engineer, AI Product

Notion

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San Francisco, California, USA

Full-time

About Us: We're on a mission to make it possible for every person, team, and company to be able to tailor their software to solve any problem and take on any challenge. Computers may be our most powerful tools, but most of us can't build or modify the software we use on them every day. At Notion, we want to change this with focus, design, and craft. We've been working on this together since 2016, and have customers like OpenAI, Toyota, Figma, Ramp, and thousands more on this journey with us. Tod
Posted 37 days ago | Updated 15 hours ago

Senior UX/UI Product Designer, E&I UMR - Remote

UnitedHealth Group

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Remote or Kansas City, Missouri, USA

Full-time

At UnitedHealthcare, we're simplifying the health care experience, creating healthier communities and removing barriers to quality care. The work you do here impacts the lives of millions of people for the better. Come build the health care system of tomorrow, making it more responsive, affordable and equitable. Ready to make a difference? Join us to start Caring. Connecting. Growing together. Description UMR, UnitedHealthcare's third-party administrator solution, is seeking an experienced digit
Posted 1 day ago | Updated 7 hours ago

Software Engineer, Frontend (Consumer Products)

Coinbase

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Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the
Posted 60+ days ago | Updated 7 hours ago

Full Stack Software Engineer (L4), Product Localization Engineering

Netflix, Inc.

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Los Gatos, California, USA

Full-time

Netflix is one of the world's leading entertainment services, with 283 million paid memberships in over 190 countries enjoying TV series, films and games across a wide variety of genres and languages. Members can play, pause and resume watching as much as they want, anytime, anywhere, and can change their plans at any time. At Netflix, we want to entertain the world and are constantly innovating on how entertainment is imagined, created, and delivered to a global audience. Engineering teams wit
Posted 45 days ago | Updated 7 hours 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 34 days ago | Updated 6 hours ago

Software Engineering Senior Advisors- Hybrid

Cigna

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Remote or Plano, Texas, USA

Full-time

The job profile for this position is Software Engineering Senior Advisor, which is a Band 4 Senior Contributor Career Track Role with Cigna-Evernorth Services Inc. Responsibilities- Develop, support, and enhance existing healthkit applications' API layers.Provide integration for user-facing elements developed by front-end developers. Write reusable, testable, and efficient code.Design and implement low-latency, high-availability, and performant applications. Implement security and data protecti
Posted 21 days ago | Updated 7 hours ago

Front-End Software Engineer, Evaluation Infrastructure

Nuro Inc.

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Mountain View, California, USA

Full-time

Who We Are Nuro exists to better everyday life through robotics. Founded in 2016, Nuro has spent eight years developing autonomous driving (AD) technology and commercializing AD applications. The Nuro Driver is our world-class autonomous driving system that combines AD hardware with our generalized AI-first self-driving software. Built to learn and improve through data, the Nuro Driver is one of the few driverless autonomous technologies on public roads today. Nuro has raised over $2B in capit
Posted 60+ days ago | Updated 7 hours ago

Front End Engineer

Jobot

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San Francisco, California, USA

Full-time

Founding Front End Engineer, Equity, VC Backed Startup, Health Tech! This Jobot Job is hosted by: Patrick Murphy Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $150,000 - $210,000 per year A bit about us: We're partnering with a mission-driven, well-funded healthtech startup that's reimagining how individuals and families navigate complex care journeys. Backed by top-tier investors and led by seasoned founders with personal experience in t
Posted 1 day ago | Updated 3 hours ago

Internship, Fullstack Engineer, Infrastructure Engineering (Fall 2025)

Tesla Motors

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Fremont, California, USA

Full-time

Consider before submitting an application: This position is expected to start around September 2025 and continue through the Fall term (approximately December 2025) or into Spring 2026 if available and there is an opportunity to do so. We ask for a minimum of 12 weeks, full-time and on-site, for most internships. Our internship program is for students who are actively enrolled in an academic program. entry level candidates seeking employment after graduation and not returning to school should a
Posted 60+ days ago | Updated 7 hours ago

Full Stack Propulsion Software Engineer, Data Analysis (Raptor)

SpaceX

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Hawthorne, California, USA

Full-time

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today SpaceX is actively developing the technologies to make this possible, with the ultimate goal of enabling human life on Mars. FULL STACK PROPULSION SOFTWARE ENGINEER, DATA ANALYSIS (RAPTOR) The Raptor Systems Modeling and Control Team is responsible for the power-balance, optimal control, and calibration of one of the worlds most prolific and
Posted 19 days ago | Updated 7 hours ago