React.js Jobs in San Francisco, CA

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161 - 180 of 637 Jobs

Fullstack Architect

Photon

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Remote

Full-time, Third Party

We are seeking a visionary and hands-on Fullstack Architect with deep expertise in Java, React.js, and application/web architecture to lead the design and development of scalable, secure, and high-performance solutions. This role involves owning the full stack technology direction, mentoring development teams, and ensuring architectural alignment with business goals. Key Responsibilities:Design and oversee the architecture of fullstack solutions (backend, frontend, web, and app platforms).Define
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Posted 15 days ago | Updated 14 days ago

Lead Nodejs Developer with Microservices Architecture and Migration Experience

E-Solutions, Inc.

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California, USA

Third Party

Title: Lead Nodejs Developer with MIcroservices Architecture and Migration Experience Location: Remote Duration: Long term Contract JD: 60 - 70% - Backend is needed we need basically a backend guy with some experience in frontend. React is frontend. having it is a plus. -> Typescript(Most important) -> NestJS(Preferred) or Express JS or Sails.Js or loopback.js -> NodeJS in Backend -> Must have SQL DB integrations with node backend -> Knowledge on ORM -> Micro-services Architecture (Most pe
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Posted 20 days ago | Updated moments ago

Software Engineer

SRS Consulting Inc

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Remote

Contract

Job Title: Software Engineer Location: Remote Duration: Long Term Job Description: Experience Level: 7-10 years. Design, develop, document, test, and debug new and existing software systems and/or applications using Node.js, React, and AWS. Serve as a technical expert on development projects.Participate in full development life cycle, including requirements analysis and design.Write technical specifications based on conceptual design and stated business requirements.Support, maintain, and docu
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Posted 5 days ago

Microservices engineer- API / Security

HCL America Inc.

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Remote

Full-time

We are HCLTech, one of the fastest-growing large tech companies in the world and home to 218,000 people across 60 countries, supercharging progress through industry-leading capabilities centered around Digital, Engineering and Cloud. ( ) The driving force behind that work, our people, are diverse, creative, and passionate, raising the bar for excellence on a regular basis. We, in turn, work hard to bring out the best in them as we strive to help them find their spark and become the best version
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Posted 17 days ago

Microservices API engineer-

HCL America Inc.

•

Remote

Full-time

We are HCLTech, one of the fastest-growing large tech companies in the world and home to 218,000 people across 60 countries, supercharging progress through industry-leading capabilities centered around Digital, Engineering and Cloud. ( ) The driving force behind that work, our people, are diverse, creative, and passionate, raising the bar for excellence on a regular basis. We, in turn, work hard to bring out the best in them as we strive to help them find their spark and become the best version
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Posted 27 days ago

Software Engineer, Applied AI

Retool

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San Francisco, California, USA

Full-time

ABOUT RETOOL Nearly every company in the world runs on custom software: Gartner estimates that up to 50% of all code is written for internal use. This is the operational software for refunding orders, underwriting loans, onboarding employees, analyzing transactions, and providing customer support. But most companies don't have adequate resources to properly invest in these tools, leading to a lot of old and clunky internal software or, even worse, users still stuck in manual and spreadsheet flo
Posted 60+ days ago | Updated 10 hours ago

Staff Machine Learning Engineer- AI Governance

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 54 days ago | Updated 10 hours ago

Principal Engineer

MRoads

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Remote

Contract

Bethesda-Chevy Chase, MD / Remote We are seeking a highly experienced Principal Engineer / Fullstack Architect with deep expertise in Node.js, GraphQL, and ReactJS, combined with a strong background in Artificial Intelligence, particularly in building and integrating Large Language Models (LLMs). You will play a pivotal role in architecting scalable, intelligent fullstack solutions, driving innovation, and mentoring engineering teams on cutting-edge AI integration. Key Responsibilities: Lead the
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Posted 27 days ago

Sr. Front End Developer - UI/UX focus - W2

Amiseq Inc.

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Remote

Contract

Job Description: Job Description: As a Senior Frontend Developer with UI/UX focus, you will drive frontend architecture and user experience for a high-impact business application. You'll play a crucial role in frontend foundations, UI/UX optimization, and performance enhancement for a sophisticated web platform. Your responsibilities include managing build systems, component libraries, and implementing user interface improvements that directly impact business operations. You'll collaborate with
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Posted 21 days ago

Software Engineer - Access & Notifications

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 45 days ago | Updated 10 hours ago

Principal Software Engineer - Platform Services

Salesforce

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San Francisco, California, USA

Full-time

To get the best candidate experience, please consider applying for a maximum of 3 roles within 12 months to ensure you are not duplicating efforts. Job Category Software Engineering Job Details About Salesforce We're Salesforce, the Customer Company, inspiring the future of business with AI+ Data +CRM. Leading with our core values, we help companies across every industry blaze new trails and connect with customers in a whole new way. And, we empower you to be a Trailblazer, too - driving you
Posted 3 days ago | Updated 10 hours ago

Designer & Hobby Hacker

Whissle

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Fremont, 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 4 days ago | Updated 6 hours ago

Java Full-stack Developer

Connvertex Technologies Inc.

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Remote or Salt Lake City, Utah, USA

Full-time, Contract

Experience Level: 6-8 Years (10 openings) Job Summary: We are seeking a skilled Java Developer with a strong background in backend development and a solid understanding of frontend technologies. The role will focus approximately 60% on backend services and 40% on frontend UI development. You will work closely with cross-functional teams to build scalable, high-performing applications. Key Responsibilities: Backend (60%): Design, develop, and maintain robust, scalable backend services using Jav
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Posted 32 days ago | Updated 23 hours ago

Senior Software Engineer - Monetization

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 56 days ago | Updated 10 hours ago

Sr. FullStack Software Engineer

DocuSign Inc

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San Francisco, California, USA

Full-time

Company Overview Docusign brings agreements to life. Over 1.5 million customers and more than a billion people in over 180 countries use Docusign solutions to accelerate the process of doing business and simplify people's lives. With intelligent agreement management, Docusign unleashes business-critical data that is trapped inside of documents. Until now, these were disconnected from business systems of record, costing businesses time, money, and opportunity. Using Docusign's Intelligent Agreem
Posted 30 days ago | Updated 10 hours ago

Software Engineer, Full Stack, Cell Software

Tesla Motors

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Fremont, California, USA

Full-time

Tesla is re-thinking how batteries are made from the ground up. We're designing new factories, new equipment, new processes, and new software to rapidly scale battery manufacturing, globally. The primary bottleneck to Tesla's future expansion (and the transition to sustainable transport and energy storage) is our ability to produce and procure batteries - that's why we're innovating in-house, with our collection of world-class engineers, to redefine the industry. Software, data, and automation a
Posted 9 days ago | Updated 10 hours ago

Designer (or designer who codes)

Rime Labs

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Fremont, 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 20 days ago | Updated 1 day ago

Full Stack Developer with IAM

Dizer Corp

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Remote

Contract

Title : Full Stack Developer with IAM Location : Remote Description Develop, test, and deploy full-stack applications using React and Node.js.Implement and maintain IAM solutions to ensure secure authentication and authorization mechanisms.Strong experience with React and Node.js development.Solid understanding and hands-on experience with Identity Access Management (IAM) concepts and tools.Must have built applications with Authentication and authorization focus.Proficient in API integration an
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Posted 16 days ago

Applications Engineer - Typescript

Luxor Technology Corporation

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Remote

Full-time

Company Background The Luxor team has built a range of solutions for Bitcoin mining and compute power, including a globally distributed mining pool, firmware, an ASIC brokerage desk, a data website and a Hashrate derivatives market. Our product suite is growing rapidly and as such we are looking to expand our product team. We fundamentally believe compute is going to be the world s most important commodity, and are building the infrastructure to support this new market. Role Overview This is a f
Posted 22 days ago | Updated 18 days ago

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 54 days ago | Updated 10 hours ago