React.js Jobs in California

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Senior .NET Engineer / Insurance / Remote

Motion Recruitment Partners, LLC

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Remote or Tampa, Florida, USA

Full-time

An insurance company, based in Florida, is hiring a full-time remote Senior Software Engineer to help evolve and maintain their .NET-based applications. This is a hands-on engineering role requiring deep experience with .Net Core, C#, a front-end technology like Blazor, Angular or React and past .NET Framework and MVC experience. The position spans both UI and backend development, with exposure to SQL Server and Microsoft Azure in a fast-paced, agile environment. This is a great fit for a season
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Posted 11 days ago | Updated 4 hours ago

Application Software Engineer

cyberThink, Inc.

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San Francisco, California, USA

Contract

Skill Requirements: 10+ years of full stack application development experience and experience mentoring/assisting junior team developers on team Proven experience developing and implementing applications, particularly web-enabled applications using:Front End Technologies/Concepts: ASP.NET, Angular and/or AngularJS, JSON/XML, Sync/ASync servicesBack End Technologies/Concepts: .NET, .NET core, C# and RESTful API design, Micro-Services and Event-drive driven architecture and frameworksDatabase Tech
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Posted 12 days ago

Application Developer | Remote | Contract

Walker Healthforce

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Remote

Contract

Application Developer | Remote | Contract Walker Healthforce is seeking an Application Developerwith 5+ years of experience. This is a 12-month contract opportunity. CORE REQUIREMENTS: 5+ years of experience in web technologies (HTML/CSS/JavaScript/Java/JEE/JSF/JSP) 3+ years of experience in Angular, ReactJS , BootStrap JS etc. Hands on experience working on Responsive UI 2+ years of experience in Angular a must. 1+ year of experience in REST and Microservices Solid working knowledge of curre
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Posted 19 hours ago

Full Stack Engineer-Server Software Engineer

ATR International, Inc.

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Sunnyvale, California, USA

Full-time

Job Description: Description: We are seeking a talented and motivated Full Stack Engineer to join our dynamic team The ideal candidate will have extensive experience in JavaScript, React, and GraphQL, and will be responsible for building, maintaining, and optimizing both front-end and back-end components of our applications. You will collaborate with cross-functional teams to design scalable, user-friendly applications that solve real-world problems while delivering exceptional user experiences
Posted 60+ days ago | Updated 4 hours ago

Member of Technical Staff - Web Foundations Lead

Microsoft Corporation

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Mountain View, California, USA

Full-time

Overview As Microsoft continues to push the boundaries of AI, we are on the lookout for passionate individuals to work with us on the most interesting and challenging AI questions of our time. Our vision is bold and broad - to build systems that have true artificial intelligence across agents, applications, services, and infrastructure. It's also inclusive: we aim to make AI accessible to all - consumers, businesses, developers - so that everyone can realize its benefits. Microsoft AI (MAI) is s
Posted 41 days ago | Updated 7 hours ago

Full Stack Developer

Kforce Technology Staffing

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Remote or Irvine, California, USA

Third Party, Contract

RESPONSIBILITIES: Kforce has a client that is seeking a Full Stack Developer(.Net/React) for a 6 Month Contract to Hire opportunity. This role is fully remote, PST. The ideal candidate will have a strong background in both front-end and back-end development, with a proven ability to adapt to different technologies as project needs evolve. Key Responsibilities: * Full Stack Developer will design, develop, and maintain web applications using .NET and React * Create and integrate RESTful APIs and
Posted 12 days ago | Updated 2 hours ago

Senior Frontend Software Engineer, Global E-commerce Customer Business

TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A42968 Apply to this job Share this listing: Responsibilities The e-commerce industry has seen tremendous growth in recent years and has become a hotly contested space amongst leading Internet companies, and its future growth cannot be underestimated. With millions of loyal users globally, we believe TikTok is an ideal platform to deliver a brand new and better e-commerce experience to our users. Our product engineering team is resp
Posted 5 days ago | Updated 7 hours ago

Frontend Software Engineer, Global E-commerce Customer Business

TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A216936A Apply to this job Share this listing: Responsibilities The e-commerce industry has seen tremendous growth in recent years and has become a hotly contested space amongst leading Internet companies, and its future growth cannot be underestimated. With millions of loyal users globally, we believe TikTok is an ideal platform to deliver a brand new and better e-commerce experience to our users. Our product engineering team is re
Posted 5 days ago | Updated 7 hours ago

Member of Technical Staff - Product Engineer

Microsoft Corporation

•

Mountain View, California, USA

Full-time

Overview As Microsoft continues to push the boundaries of AI, we are on the lookout for passionate individuals to work with us on the most interesting and challenging AI questions of our time. Our vision is bold and broad - to build systems that have true artificial intelligence across agents, applications, services, and infrastructure. It's also inclusive: we aim to make AI accessible to all - consumers, businesses, developers - so that everyone can realize its benefits. Microsoft AI (MAI) is
Posted 40 days ago | Updated 7 hours ago

Data Scientist

Aditi Consulting

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Remote or Thousand Oaks, California, USA

Contract

Payrate: $45.05 - $50.05/hr. Summary: Transformative Digital Capabilities (TDC) is a division within Process Development that empowers Process Development staff to harness their transformative potential through the rapid convergence of chemistry, biology, engineering, and computing, accelerated by innovative digital capabilities. A dynamic team dedicated to mission of serving patients by addressing the digital challenges of various internal stakeholders from drug substances, drug products, and a
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Posted 7 days ago | Updated moments ago

Full-Stack Staff Level JavaScript Software Engineer/ Hybrid/ Bay Area

Motion Recruitment Partners, LLC

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San Jose, California, USA

Full-time

We are looking for a Staff Full Stack Engineer based in Miami, Florida, or the Bay Area, California, requiring in-person work 4 days a week on a full-time basis. The role centers on leading the design, development, and maintenance of scalable, innovative web applications using technologies such as Node.js, Next.js, React, AWS, MySQL, and RDS. You will collaborate closely with cross-functional teams, including Engineering and Product heads, to deliver robust solutions that align with business obj
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Posted 25 days ago | Updated 4 hours ago

Senior Front End Software Engineer (Web App) for a well known personal finance management company in Menlo Park, CA

OSI Engineering, Inc.

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Menlo Park, California, USA

Full-time

Job Summary We are looking for a talented Senior Software Engineer to join our front-end engineering team developing web and mobile solutions for our newest product offering. You will be part of a dynamic team using the latest technology and tools to build high-quality applications that delight our customers. This is an exciting opportunity for someone looking to create solutions that have a transformative effect on customers! Responsibilities Be a technical lead and hands-on engineer producing
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Posted 4 days ago

Frontend Software Engineer, Ads Measurement

TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A83357 Apply to this job Share this listing: Responsibilities Ads Measurement's mission is to help marketers and brands realize their true business value generated by TikTok across all of their paid channels. The team is working on a variety of products end-to-end, including brand lift, conversion lift, cross-media measurement, viewability, invalid traffic, etc., as well as various new innovative features including privacy-enhancing
Posted 5 days ago | Updated 7 hours ago

Full Stack Software Engineer (L5) - Partner Device Lifecycle Apps Team

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. The Client and Partner Technologies (CPT) organization is charted with enabling brilliant Netflix experiences on partner devices and building foundational client systems and
Posted 3 days ago | Updated 7 hours ago

Senior Full Stack Engineer Serverless Solutions

Sun Technologies,Inc.

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Remote

Contract

Pay Range: $60 - $80/hr. The pay rate may differ depending on your skills, education, experience, and other qualifications. Featured Benefits: Medical Insurance in compliance with the ACA.401(k).Sick leave in compliance with applicable state, federal, and local laws.Profile: seek full stack SE with React, JavaScript (ES6+), Node js and CDK Frameworks (not docker) Project(s) Overview: The selected candidate will work on the FRONT-END development so MUST know React.js will flex on BACK-END CDK fra
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Posted 1 day ago

UX Designer (Must be in San Diego)

Qualcomm Technologies

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San Diego, California, USA

Full-time

Company: Qualcomm Technologies, Inc. Job Area: Engineering Services Group, Engineering Services Group > UX Designer General Summary: We are seeking a passionate and experienced UX Designer to join our growing product team. As a UX Designer, you will play a pivotal role in shaping the user experience of our web and desktop applications. You will work closely with cross-functional teams to understand user needs, translate those needs into actionable design solutions, and iterate on those soluti
Posted 1 day ago | Updated 7 hours ago

Developer

Akkodis

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San Francisco, California, USA

Full-time

Akkodis is seeking a Developer for a Contract job with a client in San Francisco, CA(Hybrid). The ideal candidate must have React and API experience. They will develop secure applications using Java and Spring Boot, integrating authentication and authorization systems. Rate Range: $45/hour to $60/hour; The rate may be negotiable based on experience, education, geographic location, and other factors. Developer job responsibilities include: Developing secure, scalable applications using React, J
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Posted 5 days ago | Updated 4 hours ago

Internship, Frontend Engineer, Applications 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 2025 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 ap
Posted 14 days ago | Updated 7 hours ago

Javascript Developer

Randstad - Torc

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Remote

Contract

We are looking for a Senior JavaScript Developer to join our dynamic team. As a key contributor, you will be responsible for designing, developing, and maintaining scalable and high-performance web applications. You will work with modern frameworks, APIs, and cloud-based services to deliver top-tier software solutions. What you'll do: Design, develop, and optimize web applications using JavaScript, TypeScript, and modern frameworks (React, Angular, Vue.js).Build and maintain scalable, reusable,
Posted 56 days ago | Updated 13 days ago

Backend .NET Developer

Kforce Technology Staffing

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Fremont, California, USA

Contract, Third Party

RESPONSIBILITIES: Come and join the Kforce Family! We are actively seeking an experienced .NET Backend Engineer to join one of our well-known clients in the Fremont, CA Bay area working on exciting new projects in 2025. Summary: You will join a small, working closely with our customers, focus on extensible design systems, and obsess over open-source quality solutions to create scalable applications. Responsibilities: * Contribute to the complete software development lifecycle for applications,
Posted 11 days ago | Updated 2 hours ago