React.js jobs in Los Angeles, CA

Full Stack Developer / Hybrid in El Segundo / React / Electron / 3D Web

El Segundo, California

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Today

Job Description A growing tech-focused company located in El Segundo (hybrid schedule) is seeking a full-time 3D JavaScript Web Developer to join their team. This role involves working with modern web technologies including Electron, React, and AWS serverless infrastructure to build high-performance desktop applications and interactive 3D components. This is a rare opportunity to work on a product that blends 3D rendering, automation, and cloud services in a meaningful way. The team is looking

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Full-time

130k - 180k

W2 role-JAVA TECH LEAD (Onsite-Monrovia, CA)

Hybrid in Monrovia, California

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Today

Extensive experience with Java, including frameworks like Spring Boot.Proficiency in front-end technologies like Angular, React, or similar.Hands-on experience with Azure cloud services and microservices architecture.Strong understanding of DevOps principles and CI/CD pipelines.Experience in a lead and working with offshore teamExcellent communication and collaboration skills. Define service boundaries and contracts; design APIs (REST/JSON; GraphQL preferred), integration patterns (sync/async, p

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Contract

Depends on Experience

Lead Python/React.js Engineer

Remote or Hybrid in Baltimore, Maryland

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Today

Company Description: Our client is an academic private health system, focused on delivering compassionate, high quality care and putting discovery and innovation into practice at the bedside. Our client is an integrated network of care, delivering 25 percent of all hospital care in urban, suburban and rural communities across the state where they are located. They put academic medicine within reach through primary and specialty care delivered at 11 hospitals, as well as through a network of Urg

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Full-time

$140,000 - $160,000

React Developer (AG-Grid, D3 library) - W2 Position

Remote

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6d ago

Role: React/TyperScript Engineer with AG-Grid & D3 Exp: 10 Yrs Location: Remote Note: Financial services domain knowledge, AG-Grid and D3 library experience Description: Develop and maintain scalable React applications with TypeScript and modern state management (Redux, Zustand, Context API).Optimize rendering (SSR, SSG, CSR) for speed, SEO, and user experience.Design and develop front end using libraries like Ag Grid and charting libraries like D3Build reusable, high-performance UI components a

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Contract

Depends on Experience

React Developer

Remote

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Today

Role: React Developer with Java Duration: 12+ Months Location: Remote role Job Description- Experienced 8+ years of experience preferred. Strong in React, Java, and Kafka these are non-negotiable core skills. Experience with Avro (Kafka serialization) is a plus, but not required. Should be able to troubleshoot using Datadog and ELK logs. Willing to learn Salesforce enough to be on-call (no deep Salesforce experience needed). Flexible & Collaborative Willing to work across multiple platforms an

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Contract

Depends on Experience

AI/React Engineer

Remote

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Today

AI / React Developer Location: Remote (East Coast) Role: Seeking an AI-savvy React developer to build and enhance our logistics platform. This person uses AI tools like Claude Code, Cursor, Windsurf, and others to accelerate development, and is skilled at consuming and integrating APIs. Responsibilities: Build and maintain React.js front-end applications Integrate AI tools into development workflows and provide feedback on tools and provide suggestions Consume and connect APIs for various se

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Full-time

$115000

Ruby on Rails Developer

Culver City, California

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3d ago

Role: Ruby on Rails Developer Location: Culver City, CA (Onsite) Type: 12+ months contract or Full-time Client: Wipro Rate: $45 to $50/hr Job Description 5+ years of professional experience in software development, with significant experience focused on Ruby on Rails. Deep expertise in the Ruby language, the Rails framework, and related core libraries/gems. Strong understanding of Object-Oriented Programming (OOP), design patterns, and MVC architecture. Proficiency with relational databases (e.

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Third Party, Contract

$45 - $50

FullStack Engineer

Los Angeles, California

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Today

This position is remote. Our client is an enterprise technology company operating at the intersection of advanced data infrastructure and applied AI. Focused on a highly specialized, high-impact industry, they empower organizations to accelerate innovation through trustworthy, adaptable AI systems. Their platform emphasizes collaboration, modularity, and integrity enabling cross-functional teams to move faster without compromising accuracy. With a strong focus on enabling meaningful breakthrough

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Full-time

160k - 200k

Lead UI/UX Consultant @ Woodland Hills, CA (LOCALS ONLY/FACE TO FACE INTERVIEW)

Los Angeles, California

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11d ago

Greetings from WB Solutions! We have the Urgent requirement for a Lead UI/UX Consultant at Woodland Hills, CA Long-Term Contract. Role: Lead UI/UX ConsultantLocation: Woodland Hills, CALOCALS ONLY AS IT FACE TO FACE CLIENT INTERVIEW Must Have Skills 10+ Yrs. Exp - UI/UX design and development,8+ Years Exp - design tools such as Sketch, Figma, Adobe Creative Suite, and prototyping tools8+ Years Exp - front-end frameworks, specifically ReactJS or AngularJS.7+ Years Exp - coding experience in P

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Contract, Third Party

Depends on Experience

React+ Java Lead

Los Angeles, California

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Today

Position React + Java Lead ( 60%-70% React & 30% Java) Exp 15+yrs Location Woodland Hills, CA ( 3days in a week onsite) (Locals to Los Angeles) Job Description: We are seeking a highly skilled and experienced Senior React.js Developer with a strong background in Java to join our team. The ideal candidate will be responsible for designing and implementing front-end solutions using React.js and contributing to back-end development with Java. You will work closely with cross-functional teams to del

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Contract

Depends on Experience

Sr. Software Engineer

Los Angeles, California

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12d ago

Sr. Software Engineer Location: Houston, TX (Onsite/Hybrid) Position Overview: We are seeking a highly skilled and motivatedSr. Software Engineerto join our dynamic team. The ideal candidate will have extensive experience in developing ERP (Odoo) applications, building and managing full-stack web applications, and leading technical teams. This role requires a strong background in frontend and backend development, proficiency in Python and React, and a passion for problem-solving. Industry experi

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Full-time

Depends on Experience

Senior React Developer

Remote or Atlanta, Georgia

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Today

RESPONSIBILITIES: Kforce has a client seeking a Senior React Developer to join their team. This individual will be supporting an initiative to combine and build applications/portals for the clients associates. The team is currently rewriting all of the backend with Node/GraphQL, migrating from PCF to Google Cloud Platform, and rewriting UI components in the latest version of React. Also, it would be ideal to have AI/LLM experience due to using AI and integrating API's to different models. The te

Contract

$40 - $50 hourly

React JS Developer

Remote

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Today

Must Have Skills (TOP 3 SKILLS) React JS, C#, VB.NET, Azure App Services Agile Knowledge Detailed Job Description An ideal candidate is someone who enjoys working in a fast-paced, collaborative environment. The overall objective of this role is to contribute to applications, systems analysis, and programming activities. Qualifications: Minimum 5 years of experience with React JS and C# relevant experience. Experience in Agile programs using Extreme Programming

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Contract

Depends on Experience

C# Developer with ROR, ReactJS

Remote

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10d ago

Skills Required: C# , ReactJS and ROR Skills: - Mandatory skills 7+ years of experience with Ruby, C#, ReactJS5+ years of experience developing web-based software systems and applications2+ years of experience with both manual and automated testing/tools2+ years of experience working with version control concepts2+ years of experience working in agile practices and methodologiesDirect experience with performance monitoring and observability Preferred: Experience with Typescript, ReactFamiliarit

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Contract

Depends on Experience

Full Stack Engineer

Los Angeles, California

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Today

Job DescriptionFull-Stack Engineer Voice-First Mental Health Startup Join a small, mission-driven startup building voice-first AI technology to improve mental healthcare. Their systems use conversational agents and vocal biomarkers to deliver precise psychiatric assessments at scale. What You ll Do: Build backend infrastructure, APIs, and data pipelines powering AI research and real-time inferenceEnsure HIPAA-compliant, secure systems that integrate with healthcare softwareCollaborate with clini

Full-time

React Developer(AG-Grid and D3 library experience)

Remote

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4d ago

React Developer (AG-Grid and D3 library experience) Location- Toronto/New York (Remote role) Note- financial services domain knowledge, AG-Grid and D3 library experience. Required: - Develop and maintain scalable React applications with TypeScript and modern state management (Redux, Zustand, Context API). - Optimize rendering (SSR, SSG, CSR) for speed, SEO, and user experience. - Design and develop front end using libraries like Ag Grid and charting libraries like D3 - Build reusable, high-perfo

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Third Party, Contract

Depends on Experience

ROR developer with C# & React

Remote

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24d ago

Basic and Required Skills: Degree or equivalent and typically requires 4+ years of relevant experience Education Bachelor s in computer science, engineering or another STEM field or equivalent 4+ years of experience with Ruby, C#, Java, Python 4+ years of experience developing web-based software systems and applications 2+ years of experience with both manual and automated testing/tools 2+ years of experience working with version control concepts 2+ years of experience working in agile practices

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Contract

Depends on Experience

Senior Ruby/React Developer (Remote Opportunity)

Remote

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21d ago

VetsEZ is seeking a Senior Full Stack Developer with expertise in React/Redux for the frontend and Ruby on Rails for the backend to support a Department of Veterans Affairs (VA) project. The ideal candidate will design, build, and maintain scalable applications by developing intuitive user interfaces and robust server-side logic. This role involves integrating APIs, optimizing performance, and ensuring compliance with software standards. The Senior Developer will also contribute to system planni

Full-time

$120,000 - $135,000

Golang Developer with React

Remote

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5d ago

Hi, I would like to share an excellent opening Contact Golang Developer with React do go through the details and kindly send me the updated resume. Location : Remote Type of Hire : Contract Mode of interview : WebEx / Teams Golang Developer React Thanks and Regards, Abrar Shaikh Ztek Consulting Inc Phone:

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Contract

Depends on Experience

Software Engineer React/Node/Azure/SQL *** Direct End Client ***

Remote

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Today

We are seeking an Senior-level Systems Developer to join a high-impact modernization initiative for existing software platform. This role involves modernizing a legacy front-end system through a phased approach, in close collaboration with internal IT teams. The ideal candidate will bring expert-level technical skills, reliability, and a collaborative mindset to ensure successful project delivery on time, within scope, and within budget. Core ResponsibilitiesLead front-end modernization efforts

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Contract

Depends on Experience

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React.js jobs in Los Angeles, CA, USA