152 senior react developer jobs at 85 companies in Lancaster, CA
🚀PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yrOn-SiteFull Time
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
Arena Club: Digital marketplace and vaulting service for sports collectibles
7+ YOE7+ years mobile dev experience; strong React Native; iOS/Android ecosystem knowledge; automated testing and CI; remote collaboration; leadership on mobile projects.
Mountain View or Los Angeles or San Francisco or New York City
$170k-$230k/yrHybridFull Time
Commure: AI-powered software platform for healthcare workflow and administrative automation.
4+ YOE4+ years software engineering; strong fullstack Python backend and TypeScript/React frontend; Docker and Kubernetes; experience with LLM APIs; production AI features; able to ship quickly.
Austin or Chicago or Dallas or Denver or Los Angeles or San Diego or San Francisco
$131k-$169k/yrHybridFull Time
Karbon: Practice management software for accounting firms.
4+ YOESenior Security Engineer with 4+ years in security or development; strong communication; cloud and AI experience; hands-on with security tooling and threat modelling.
Re:Build Manufacturing: Provides advanced engineering and US-based contract manufacturing services.
7+ YOE7+ years professional software experience; cloud-native development on AWS; full‑stack with React and TypeScript; experience with serverless, containerized apps, RAG/LLM integrations, GraphQL/REST; strong communication and mentorship skills.
Rula: Connects patients with insurance-covered therapists through a digital platform.
5+ YOE5+ years in software development; full-stack TypeScript/React/Node; AI-assisted tools; distributed systems design; lead technical projects; mentoring.
TypeScript, React, Node.js, Claude Code, Cursor, GitHub Copilot
New York or Los Angeles or San Francisco or United States
$150k-$180k/yrHybridFull Time
EDO: Measures the impact of TV and streaming advertising.
5+ YOE5+ years in product-focused full-stack engineering; strong CS foundation; capable of handling ambiguity and multi-hat roles; proficient in React, Rails, databases, and AWS.
React, Typescript, CSS, Ruby on Rails, MySQL, Snowflake, AWS
SoundCloud: Online audio distribution platform and music sharing website.
4+ years building large-scale web apps with TypeScript and React; experience with Next.js/Vite, web performance, accessibility, EMR not required; strong communication and mentoring skills; comfortable using AI-assisted development tools.
Oakland or Seattle or WA or OH or CA or Long Beach or AZ or CO or CT or FL or GA or MD or MN or NV or OR or El Dorado Hills or Lodi or Rancho Cordova or Redding or San Diego or Woodland Hills or AL or IL or VA or WI or TX or NY
$103k-$174k/yrHybridFull Time
Ascendiun: Nonprofit parent overseeing health insurance and clinical service organizations.
5+ YOE5+ years full stack development; BA/BS or equivalent IT experience; React/Vue/Angular; .NET/Java/Node.js/Python APIs; SQL/NoSQL; Azure preferred; Docker; IaC; CI/CD; AI tools; healthcare experience preferred.
TCW: Global asset management firm providing investment and advisory services.
5+ YOEMaintain React/TypeScript SPA framework, experience with modern front-end tooling, CI/CD automation, public cloud (Azure preferred), strong communication and documentation; bachelor’s degree or 5+ years relevant experience.
myPlace Health: An integrated care organization focused on enabling older adults to live independently with personalized care and support.
Experience building cloud-native full-stack solutions on Microsoft Azure, REST APIs, event-driven architectures, integrations (APIs/SFTP/batch), React/Node.js, PostgreSQL/Snowflake, Azure DevOps, and Dynamics 365/Power Platform.
Microsoft Azure, React, Node.js, PostgreSQL, Microsoft Fabric, Snowflake, OAuth 2.0, Azure DevOps, Microsoft Dynamics 365, Power Platform, Copilot Agents, Power Automate, Boomi, HL7, FHIR, Power BI, Databricks, SFTP, Git
Freeform: Deploys autonomous AI-powered metal 3D printing factories.
5+ YOEBachelor's in CS or related, 5+ years software development experience (Python, Go, Java), experience with Flask/Django, React/Next.js, SQL and non-relational databases; leadership and system architecture experience preferred.
Jacksonville or Dallas or Cincinnati or Los Angeles or Sacramento or Richmond or Minneapolis or Boston or Kansas City or Chicago or Tampa or Washington or San Antonio or Houston or Colorado Springs or Nashville or San Diego or Pittsburgh or Tacoma or New York or Phoenix or Miami or Fayetteville
HybridFull Time
Wounded Warrior Project: Provides support services and mental health programs for veterans.
7+ YOE7+ years designing and implementing Salesforce solutions; 5+ years with Apex, LWC, Visualforce and integrations; Salesforce Platform Developer II required; Bachelor’s in CS/IS/software engineering or equivalent.
Salesforce CRM (Sales and Service Cloud), Force.com, Visualforce, Apex, Lightning Web Components, Cascading Style Sheets (CSS), HTML, Java, .NET, Data Loader, AppExchange, React, React Native, SQL
Metropolis: Computer vision technology for checkout-free parking and retail payments.
8+ YOE8+ years backend experience with distributed systems; expert Java; microservices with Kubernetes and AWS; strong observability; databases and data systems; AI tooling familiarity.
AmaWaterways: Provides luxury river cruise vacations on international waterways.
5+ YOE5+ years building web applications with React and Next.js, strong TypeScript, frontend performance, accessibility, REST/GraphQL integration, Builder.io experience, and ability to mentor junior developers. Bachelor's degree or equivalent experience.
TubiNASDAQ: FOXA: Free ad-supported streaming service for movies and television.
5+ YOE5+ years building high-performance web applications with React, Redux, JavaScript/TypeScript, HTML5/CSS and Web APIs; experience leading initiatives and mentoring engineers; CI/CD and infrastructure familiarity.