react.js Jobs in san francisco, ca

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*Senior Full Stack NodeJS Engineer (Workday Integration experience) (15+ Years of experience)*

Kellton

•

Remote

Contract, Third Party

Kellton Tech is a full-service software development company, offering end-to-end IT solutions, strategic technology consulting and product development services in Web, SMAC (Social, Mobile, Analytics, Cloud), ERP-BPM, and IoT space Our methodology of inventing infinite possibilities with technology helps us develop best in-class and cost effective solutions for our clients. Currently Kellton Tech is looking for talented resources for one of our listed client. Below are the position details: Posi
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Posted 4 days ago

Internship, Site Reliability Engineer, Applications Engineering (Fall 2025)

Tesla Motors

•

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

Senior Software Engineer in Messaging (W2 Only)

SSI People

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Remote

Contract

Full Stack Engineer Are you passionate about building meaningful user experiences that connect people to the content they love? Join our client's team as a Full Stack Engineer and help shape how millions of members engage with Live and On-Demand content. What You ll Do: Build and maintain engaging messaging experiences including email, push notifications, and in-app messages using HTML, React, TypeScript, and Java. Collaborate with cross-functional teams including Product, Design, Data Science,
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Posted 60+ days ago | Updated 18 days ago

.Net Full Stack Developer

Celer Systems, Inc

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Remote

Full-time

Mandatory QualificationsFive (5) years of FTE experience in electronic data processing systems study, design, and programming. At least three (3) years of that experience must have been in a lead capacity.Possess a bachelor s degree in an IT- related or Engineering field. Additional qualifying experience may be substituted for the required education on a year-for-year basis.Five (5) years of FTE experience in designing, developing, implementing .Net applications and maintaining the existing .Net
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Posted 30 days ago

Senior Engineer

Kforce Technology Staffing

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Remote or Johnston, Rhode Island, USA

Contract

RESPONSIBILITIES: Kforce has a client in need of a Senior Engineer. Key Responsibilities: * Utilize expertise in C# .Net and functional Reactjs to develop and maintain both front-end and back-end components of our applications * The Senior Engineer will create and use REST webservices to ensure seamless communication between the front-end and back-end systems * Leverage Azure technologies to enhance the scalability and performance of our applications * Utilize Docker and Kubernetes for containe
Posted 5 days ago | Updated 1 day ago

Java Full Stack Developer

Acadia Technologies, Inc.

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San Francisco, California, USA

Full-time

Front-End Skills:HTML, CSS, and JavaScript:These are the foundational languages for building user interfaces. HTML provides the structure, CSS handles the styling, and JavaScript adds interactivity.JavaScript Frameworks/Libraries:Frameworks like React, Angular, or Vue.js are crucial for building dynamic and complex user interfaces. Back-End Skills:Java:A core programming language with a strong foundation in object-oriented programming (OOP) principles like encapsulation, inheritance, polymorphi
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Posted 9 days ago

Sr. Fullstack Software Engineer, Fleetnet

Tesla Motors

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Palo Alto, California, USA

Full-time

Come join a small team of experts building the systems that connect Tesla and our customers to their cars, robotaxis, robots, and energy products. At Tesla, we're at the forefront of connected innovation providing a suite of rich backend services to our growing fleets. The team operates the UI and services behind developer.tesla.com. We own the platform that enables owners to interact with their cars and developers to build device-connected applications. The platform includes Authentication syst
Posted 60+ days ago | Updated 7 hours ago

Lead Software Engineer

JPMorgan Chase & Co.

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Palo Alto, California, USA

Full-time

Job Description DESCRIPTION: Duties: Design, build, release, support, and own end to end a multi-tier, scalable, and reliable software solutions. Solve business problems through innovation and engineering practices. Involved in all aspects of the Software Development Lifecycle (SDLC) including analyzing requirements, incorporating architectural standards into application design specifications, documenting application specifications, translating technical requirements into programmed applicatio
Posted 9 days ago | Updated 7 hours ago

Software Engineer, Database as a Service, Infrastructure

Tesla Motors

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Fremont, California, USA

Full-time

This Software Engineering team is responsible for developing components that streamline the deployment, management, and scaling of diverse database clusters, messaging, and storage systems, as a service. By automating operational workflows and providing standardized interfaces, the team ensures reliability, efficiency, and ease of use for the operations team. We build modular, extensible components providing standardized workflows for performing actions across multiple systems and API targets, s
Posted 1 day ago | Updated 7 hours ago

Sr. Software Engineer, Front End

Rivian

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Palo Alto, California, USA

Full-time

About Rivian Rivian is on a mission to keep the world adventurous forever. This goes for the emissions-free Electric Adventure Vehicles we build, and the curious, courageous souls we seek to attract. As a company, we constantly challenge what's possible, never simply accepting what has always been done. We reframe old problems, seek new solutions and operate comfortably in areas that are unknown. Our backgrounds are diverse, but our team shares a love of the outdoors and a desire to protect it
Posted 48 days ago | Updated 7 hours ago

Accessibility Web Developer (Mobile + Web)

Allwyn Corporation

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Remote

Third Party, Contract

NOTE:This is 4 month contract only. 40 Hrs / per week. We are looking for a skilledFront-End Developerwho can contribute across bothmobile and web (.com)platforms. The ideal candidate will have hands-on experience withAngular and Ionic frameworks, and a strong understanding ofADA complianceto ensure accessibility standards are met across all digital experiences. Responsibilities: Develop and maintain responsive and accessible applications across mobile and web platforms.Collaborate with UI/UX
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Posted 33 days ago | Updated 5 days ago

Dot Net Architect--Part Time

Newt Global

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Remote

Part-time

Key Responsibilities: Architectural Leadership Design and implement scalable, secure, and maintainable software architectures using .NET technologies (ASP.NET Core, .NET Framework). Define and enforce best practices, coding standards, and development processes to ensure high-quality deliverables. Provide end-to-end technical leadership on architecture, design, and implementation of full-stack solutions. Full-Stack Development Lead the development of backend services and APIs using C#, ASP.NET
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Posted 5 days ago | Updated 3 days ago

Full Stack Java Developer

Raas Infotek LLC

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Remote or Houston, Texas, USA

Contract

Full Stack Java Developer (React & AWS) Senior (12+ Years Experience) Contract: W2 Only Job Description: We are seeking a highly experienced Full Stack Java Developer with deep expertise in React, AWS, and modern microservices architecture. This is a senior technical role demanding a proven track record of 12+ years in enterprise software development, including designing and building scalable, secure full-stack applications on AWS. You will lead the design, development, and optimization of compl
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Posted 4 days 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 29 days ago | Updated 7 hours ago

Ruby on Rails Architect

Ohm Systems, Inc

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Remote

Contract

ROR Architect:- As a hands-on architect, primary responsibilities center around design and development of web based, real-time and batch applicationsCollaborate with members of the design team both technical as well as business owners to identify requirements and design new products or extensions to existing products.Produce application prototypes with sufficient detail to allow others in the development team to complete the development work.Provide technical oversight to the development process
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Posted 37 days ago | Updated 26 days ago

Ruby on Rails Architect - Remote

Mudrasys

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Remote

Contract, Third Party

Position: Ruby on Rails Architect Location: Remote Duration: 6-12months Job Description: Key Responsibilities: Develop and maintain robust, scalable, and secure applications using Ruby on Rails for backend and React for frontend.Design and implement RESTful APIs and integrate third-party services.Optimize application performance and troubleshoot/debug production issues.Collaborate with product managers, designers, and other developers to enhance user experience.Follow best practices in CI/CD, te
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Posted 55 days ago | Updated 20 days ago

Telecom System Integration Developer

Cyber Sphere LLC

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Remote

Third Party, Contract

Telecom System Integration Developer Remote Long Term Contract Note - It s not a specific project Per se. It s a hodgepodge of custom integration request from the various lines of business within the Org. Someone with Developer skills set with experience doing contact center or unified communication integrations. Telephony, Cisco, etc More Developer than Telephony Key Responsibilities: Design, develop, test, and debug robust applications and system components aligned with business and technical
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Posted 5 days ago | Updated 3 days ago

AIM Team - Developers

Tential

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Remote or Santa Fe, New Mexico, USA

Full-time

Responsibilities: Collaborate with cross-functional teams to gather and analyze software requirements, translating them into efficient and scalable technical solutions. Design and develop responsive web applications using the .NET framework, including both front-end and back-end components. Create intuitive user interfaces with modern front-end technologies such as HTML5, CSS3, JavaScript, and frameworks like Angular, React, or Vue.js. Build robust and scalable APIs and backend services using
Posted 11 days ago | Updated 4 hours ago

Fullstack Software Engineer II, Data Applications, Triage & Simulation (Autonomy)

Rivian

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Palo Alto, California, USA

Full-time

About Rivian Rivian is on a mission to keep the world adventurous forever. This goes for the emissions-free Electric Adventure Vehicles we build, and the curious, courageous souls we seek to attract. As a company, we constantly challenge what's possible, never simply accepting what has always been done. We reframe old problems, seek new solutions and operate comfortably in areas that are unknown. Our backgrounds are diverse, but our team shares a love of the outdoors and a desire to protect it
Posted 30 days ago | Updated 7 hours ago

Software Developer IV

Voyatek

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Remote

Full-time

Outcomes. Delivered. Voyatek delivers outcome-driven technology solutions to public sector agencies and higher education institutions nationwide. For example, our technology: Facilitates access to nutritious food for children of mothers participating in the WIC programSupports first responders in reducing opioid overdoses within their communitiesEmpowers colleges and universities to identify and thwart financial aid fraudEquips teachers with valuable insights to identify students requiring addit
Posted 27 days ago | Updated 11 days ago