react Jobs in California

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Fall 2025 Engineering Internship

General Matter

•

Los Angeles, California, USA

Full-time

About the Company At General Matter, we're strengthening America's capacity in nuclear energy to create a new set of possibilities, from generating clean energy at scale to forging energy security. With nuclear energy powering the next wave of American progress, we're ensuring our country has the fuel it needs for the next generation of reactors, no matter what's happening around the world. We are backed by top tier investors. Our lean, world-class team of engineers and operators is applying a
Posted 19 hours ago | Updated 6 hours ago

User Interface Developer - Equity Finance

Citi

•

Remote or Tampa, Florida, USA

Full-time

What We do / The Team The Equity Finance Technology team are seeking a development role for the User Interface, located in Tampa. The role requires working with technologists across geographical locations and executing on the technical delivery. The successful candidate must exhibit strong technical skills with a proven ability to deliver using an agile methodology. Responsibilities: Provide technical direction for a team of developers located across locationsAbility to forecast technical adva
Posted 9 days ago | Updated 6 hours ago

Lead React Native Engineer

INSPYR Solutions

•

Remote or Charlotte, North Carolina, USA

Contract

Title: Sr React Native Developer Location: Remote Duration: Contract to Hire Compensation: $58.25 Work Requirements: , Holders or Authorized to Work in the U.S.We are seeking a Senior React Native Engineer with intimate familiarity with the mobile platform to join our team. Our Mobile Engineers are engaged in the full spectrum of product development, working with a team to write great software and build engaging products. Do you have the technical and relational skills to build business-critical
Easy Apply
Posted 11 days ago | Updated moments ago

Founding Product Engineer (AI/ML)

Jobot

•

San Francisco, California, USA

Full-time

Well-Backed AI Health SaaS Startup is looking for Full-Stack Product Engineers to join their growing team! This Jobot Job is hosted by: Sydney Weaver Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $140,000 - $220,000 per year A bit about us: A rapidly growing AI healthcare startup is about to announce their 20M Series A and on the hunt for a Product-minded software engineers to help scale a generative AI-powered care platform! Backed by le
Posted 1 day ago | Updated 3 hours ago

Principal Systems Engineer, Cloud Architecture (R3366)

Shield AI Inc

•

San Diego, California, USA

Full-time

Founded in 2015, Shield AI is a venture-backed defense technology company with the mission of protecting service members and civilians with intelligent, autonomous systems. Its products include Hivemind Enterprise-EdgeOS, Pilot, Commander, and Forge-as well as V-BAT and Sentient Vision Systems (wide-area motion imaging software). With offices in San Diego, Dallas, Washington, D.C., Abu Dhabi (UAE), Kyiv (Ukraine), and Melbourne (Australia), Shield AI's technology actively supports U.S. and allie
Posted 19 hours ago | Updated 6 hours ago

Senior Frontend Software Engineer, Marketplace

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 60+ days ago | Updated 6 hours ago

Senior Full Stack Engineer Creator Knowledge

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 30 days ago | Updated 6 hours ago

Staff Software Engineer, Consumer Revenue

Discord Inc.

•

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. This position is
Posted 28 days ago | Updated 6 hours ago

Product Software Developer (Full-Stack)

Jobot

•

San Francisco, California, USA

Full-time

Series B Startup is looking for a Product Software Developer to join their growing team! This Jobot Job is hosted by: Sydney Weaver Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $140,000 - $200,000 per year A bit about us: Growing Series-B SaaS startup with offices in NY and SF is looking for a Full-Stack Software Developer to join their dynamic team! Their team includes veterans from FAANG and successful Bay Area tech startups. Think to
Posted 3 days ago | Updated 3 hours ago

Sr Staff Software Engineer

ServiceNow, Inc.

•

Santa Clara, 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 9 days ago | Updated 6 hours ago

Start-Up "Techie" ML CTO - PERM DIRECT HIRE

Robert Half

•

Remote or Des Moines, Iowa, USA

Full-time

Description "TECHIE" CTO / TECHNICAL START-UP CTO & COMMERCIAL PRODUCT ENGINEER LOCATION: REMOTE WITH TRAVEL TO PITTSPURGH PA DIRECT HIRE PERMANENT SALARIED POSITION TO $200 Plus Equity % !! "Player / Coach Role !" this is NOT a GENERATIVE AI position! Looking for IoT and embedded edge sensor / Device Drive experience; AI working with Hardware or Sensors type of experience. Do you have RECENT AI w/ML experience in a sensor based environment? Do you have hands on Proven & Deep technical
Easy Apply
Posted 4 days ago | Updated 3 hours ago

Senior Software Engineer, Frontend - Risk Platform

Coinbase

•

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 4 days ago | Updated 6 hours ago

100% Remote: Sr Java Developer

Parmesoft Inc.

•

Remote

Contract, Third Party

Please send the resume to augustin (at) parmesoft (dot) com 100% REMOTE Job title: Sr Java Developer Location: 100% REMOTE (Client is in Chicago, IL) Duration: 6-12+ Months Rate: $52-$55/Hr all-inc Skills 12+ Years of over all work experienceJavaReact JS is a must to haveAWSSpringbootMicroservicesAngular Its a 100% Remote Opportunity Please send the resume to augustin (at) parmesoft (dot) com Thank You, Augustin Ahmed Parmesoft Inc, Fax: Email:
Easy Apply
Posted 60+ days ago | Updated 22 hours ago

Software Engineer II - (Frontend) Customer Obsession

Uber Corporate

•

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 45 days ago | Updated 6 hours ago

Lead, Cyber Security Engineer (PAM)

Northern Trust

•

Remote or Chicago, Illinois, USA

Full-time

About Northern Trust: Northern Trust, a Fortune 500 company, is a globally recognized, award-winning financial institution that has been in continuous operation since 1889. Northern Trust is proud to provide innovative financial services and guidance to the world's most successful individuals, families, and institutions by remaining true to our enduring principles of service, expertise, and integrity. With more than 130 years of financial experience and over 22,000 partners, we serve the world'
Posted 36 days ago | Updated 6 hours ago

Senior Software Engineer, Messaging

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 53 days ago | Updated 6 hours ago

Principal Software Engineer, UI Ecosystem

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 60+ days ago | Updated 6 hours ago

Senior Software Engineer, Fullstack (Institutional - Markets, Onchain Products)

Coinbase

•

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 4 days ago | Updated 6 hours ago

PHP Developer

Kforce Technology Staffing

•

Palo Alto, California, USA

Contract

RESPONSIBILITIES: Kforce has a client that is seeking a PHP Developer in Palo Alto, CA. Duties Include: * Contribute to the complete software development lifecycle for Supply Chain UI applications, ensuring that all projects are delivered on time and meet high-quality standards * Design, develop, and maintain full stack web applications, utilizing React, PHP and Python and web tooling to create highly performant and scalable user experiences * Implement rigorous testing strategies, including un
Posted 7 days ago | Updated 2 hours ago

Senior Software Engineer (Frontend)

Uber Corporate

•

San Francisco, California, USA

Full-time

About the Role As a Frontend Senior Software Engineer on the Customer Obsession team, 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
Posted 57 days ago | Updated 6 hours ago