UI Developer (React) Jobs in San Francisco, CA

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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

Java/React Developer

CitiusTech

Remote

Full-time

Responsibilities:- Mandatory Skills Java 8+, Springboot, SQL, Restful Services Desired Skills OCI, Cloud Good to have skills: AWS, OCI, AZURE Job Description Backend: Java 7/8/11(java from core to advanced concepts), JUNIT, Spring boot, Spring Framework, Service API, Microservices. Frontend: ReactJS, Java 8, JavaScript, Spring boot, Typescript, Jest unit testing framework. DB: PLSQL, Oracle 11g, OS: Windows, Linux Secondary Skills: Oracle ADF / SOA, Spring cloud Desirable skills: Exposure to Jir

Senior Full Stack Developer

Right Skale, Inc.

Foster City, California, USA

Full-time

Senior Full Stack Developer (AI/ Cloud) Full Time W2 Onsite (Bay Area, CA) Key Responsibilities: Design, develop, and maintain web applications using Node.js, React, and TypeScript. Hands-on experience in developing custom AI Agents for searching documents and information stored in SharePoint Online, Microsoft Teams, OneDrive, and other enterprise document storage systems. Experience in building and supporting applications using SharePoint Framework (SPFx) solutions and Power Platform. Expertis

Python Full Stack Developer (Only Local CA)

Uniglobe Technologies, Inc

San Ramon, California, USA

Contract, Third Party

Role: Python Full Stack Developer Location: San Ramon, CA (In-Person Interview and Day 1 Onsite) Duration: Long Term Contract Must Have Python + ReactJS 6-10 Years of relevant experience and skilled in - Python, RESTful Webservice, NoSQL Database, In Memory Database.Hands-on & In depth knowledge of Python application programming concepts, Django REST framework, FlaskCreate services as part of back-end: message intake and processing pipelines (message flow), REST APIs for front-end, data manipul

Full Stack Developer- Only W2 Candidates (USC)

HonorVet Technologies

Remote

Contract

ONLY W2 Job Summary: Position: Full Stack DeveloperLocation: Seattle, WA- Fully RemoteDuration: 06+ monthsRequired: Full Stack Developer Expertise in Node.js API development, UI development using React, and MySQL database. Job Summary: The client is seeking a talented Full Stack Developer to join our engineering team in Seattle, WA. The ideal candidate will have strong expertise in both front-end and back-end development, experience working with cloud platforms (AWS, Azure, or Google Cloud Plat

Python Full stack Developer

Dartz IT Solutions

San Ramon, California, USA

Contract

Hi Greetings from Dartz IT solutions, Interested candidates send me your updated CV to me Role : Python Full stack developer Location: San Ramon, CA (In-Person Interview and Day 1 Onsite) Client: Indium Technologies./Franklin Templeton Job description - Python + ReactJS Must Have 15 years of relevant experience and skilled in - Python, RESTful Webservice, NoSQL Database, In Memory Database. Hands-on & In depth knowledge of Python application programming concepts, Django REST framework, Flask C

Internship, Integration Platforms Software Developer, Vehicle Firmware(Fall 2025)

Tesla Motors

Remote or Palo Alto, California, USA

Full-time

Consider before submitting an application: This position is expected to start around August or September 2025 and continue through the Fall term (ending approximately December 2025) or continuing into Winter/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 a

Full Stack Developer (Only W2)

Apidel Technologies

Remote

Contract

Job Description: We are seeking a skilled Full Stack Developer with 8+ years of experience to join our dynamic team. This role will have a strong emphasis on UI (60%) while also requiring backend development expertise (40%). The ideal candidate should have experience with JavaScript frameworks (React preferred but open to others) and a JVM-based backend (Java or Kotlin). Experience with testing and deploying applications in AWS is required. Key Responsibilities: Develop, enhance, and maintain we

Java Application Developer - Health Benefit Applications (W-2 Only)

OpTech

Remote

Contract

Why work at OpTech? OpTech is a woman-owned company that values your ideas, encourages your growth, and always has your back. When you work at OpTech, not only do you get health and dental benefits on the first day of employment, but you also have training opportunities, flexible/remote work options, growth opportunities, 401K and competitive pay. Apply today! To view our complete list of openings, please visit our website at . RESPONSIBILITIES: Engagement Description: Our Client s Health Pla

Senior Software Engineer - Credit Card Processing Systems (multiple openings) in San Francisco, CA.

U.S. Bank

San Francisco, California, USA

Full-time

At U.S. Bank, we're on a journey to do our best. Helping the customers and businesses we serve to make better and smarter financial decisions and enabling the communities we support to grow and succeed. We believe it takes all of us to bring our shared ambition to life, and each person is unique in their potential. A career with U.S. Bank gives you a wide, ever-growing range of opportunities to discover what makes you thrive at every stage of your career. Try new things, learn new skills and dis

Software Engineer, AI Copilot

Retool

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

Frontend Developer with Testing experience

DRC Systems USA LLC

Remote

Contract

Overview: Looking for Senior Frontend Developer with Testing experience for remote role Must have skillsFrontend Developer with Testing experience React.js, Node.js, (Frontend Development) Python (Testing Side) Behave, Selenium Automation Framework (Testing Side)Tech Stack:o Coding Languages include; JavaScript, React.js, TypeScript, Node.js, Pythono Tools include; GitHub Enterprise, Buildkite, Kubernetes, Behave and SeleniumCurrent state: The software engineering organization is dedicated to me

Front End Senior Mobile Software Engineer

Salesforce

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

Java Technical Lead - REMOTE in EST

Capital Staffing Solutions

Remote

Contract

Java Tech Lead / Sr Developer 6-Months Contract-to-Hire REMOTE - Must live in Eastern Standard Time Zone MUST be willing and eager to convert FTE after 6-months without sponsorship Qualifications: 12+ years of experience in software development.8+ years of hands-on experience in designing/developing UI applications using React JS, JavaScroit. CSS and Bootstrap5+ years of hands-on experience in designing/developing applications using Java, Spring Boot, Spring.5+ years of experience in database de

Software Developer

Voyatek

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

Full Stack Developer - C12 - TAMPA - Hybrid

Citi

Remote or Tampa, Florida, USA

Full-time

The Full Stack Developer is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to applications systems analysis and programming activities. Responsibilities: Develop applications using Java, UI Frameworks, Microservices and relational database as full stack developerDevelop UI components, screens using

Software Developer III - Xpert AI Platform

Lawrence Ash

Remote

Contract

Title- Software Developer - Xpert AI Platform Location- USA (Remote) Type of Hire- 6 Months CTH Experience: 10+ Years Visa: or H1 Transfer Job Summary: We are seeking a Senior Software Engineer (10+ years experience) to play a key role in designing, developing, and maintaining our client Platform. This role involves working with Python, React, Node.js, and cloud-native technologies such as AWS Lambda, Step Functions, DynamoDB, Kubernetes, and DevOps tools. The ideal candidate should have exten

Full Stack Developer (W2 Only)

Apidel Technologies

Remote or Philadelphia, Pennsylvania, USA

Contract

Team Info: Team of 3 engineers. Building Content Management services for internal projects. Working on highly scaled applications. There is a separate team that works on application building and the whole infrastructure. This team is for building self-service tools. Must have skills: Looking for 5 to 8 years of Full-stack developer 60% UI and 40% Backend role. UI They are using React but are fine with any other JavaScript experience Backend - Java OR Kotlin OR any JVM-based Testing & Deployment

Full Stack Python Developer

Navigant Consulting

Remote or Bethesda, Maryland, USA

Full-time

Job Family: Software Development & Support (Digital) Travel Required: None Clearance Required: Ability to Obtain Public Trust What You Will Do: Develop and maintain web applications using Angular and React.Collaborate with designers to implement user interfaces and back-end support.Ensure the technical feasibility of UI/UX designs.Optimize applications for maximum speed and scalability. What You Will Need: Bachelor's Degree in related field Minimum of THREE (3) years professional experience w

Senior JavaScript Developer

Randstad - Torc

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. ResponsibilitiesDesign, develop, and optimize web applications using JavaScript, TypeScript, and modern frameworks (React, Angular, Vue.js).Build and maintain scalable, reusable,