54 java reactjs developer jobs at 23 companies in Lancaster, CA

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
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).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
1w
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Staff Engineer (Java)
Los Angeles or Broomfield
$155k-$180k/yr HybridFull Time
Magnite
MagniteNASDAQ: MGNI: Independent sell-side platform for digital media advertising.
6+ YOE6+ years production Java experience, expertise in microservices, Spring Boot, Docker, AWS, relational and NoSQL databases, messaging systems, CI/CD, and automated testing.
Java, Spring Boot, Docker, AWS, EC2, ECS, Hibernate, MySQL, Oracle, Postgres, Redis, MongoDB, DynamoDB, RabbitMQ, Kafka, Maven, Git, Jenkins, Puppet, Jira, JavaScript, React, Ant Design, Material UI, React Bootstrap, Model Context Protocol (MCP)
1mo
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Software Engineer
Los Angeles, California, United States
OnsiteFull Time
ALKEME Insurance
ALKEME Insurance: Insurance brokerage and risk management services provider.
Bachelor's in CS/Engineering or equivalent, proven software development experience with Java/Python/C#/JavaScript, familiarity with web frameworks and databases, strong problem-solving and communication skills.
Java, Python, C#, JavaScript, React, Angular, Node.js, SQL, NoSQL
3mo
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Senior Software Engineer
Bristol or Burbank or Glendale
$142k-$190k/yr OnsiteFull Time
The Walt Disney Company
The Walt Disney CompanyNYSE: DIS: Produces media content and operates global theme parks.
5+ YOE5+ years web development; Node.js/Java/Kotlin; cloud AWS; frontend tech; HTTP servers; test-driven, agile; strong communication.
Node.js, Java, Kotlin, AWS, NGINX, HAProxy, Apache, CloudFront, Fargate, React Native, JavaScript, TypeScript
3w
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Senior Software Engineer
Bristol or Burbank or Glendale
$142k-$190k/yr OnsiteFull Time
The Walt Disney Company
The Walt Disney CompanyNYSE: DIS: Produces movies, operates theme parks, and provides streaming services.
5+ YOE5+ years web/software engineering; mastery of HA Proxy, NGINX, Apache; extensive NodeJS and/or Java/Kotlin experience; AWS EC2, Fargate, Cloudfront; frontend web development; BS in Computer Science or equivalent.
HA Proxy, NGINX, Apache, NodeJS, Java, Kotlin, AWS EC2, Fargate, Cloudfront, JavaScript, TypeScript, React Native
1mo
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Sr. Software Engineer, AI Native
Culver City or San Diego
$180k-$205k/yr HybridFull Time
Sony
SonyNYSE: SONY: Sells consumer electronics, video games, and entertainment media.
5+ YOE5+ years experience in full-stack development with Java, Go, or Python; REST API and frontend (HTML/CSS/JavaScript/React) proficiency; hands-on experience with AI-native coding tools, prompt engineering, agent development, and participation in on-call rotations.
Java, Go, Python, HTML, CSS, JavaScript, React, Angular, Ember, Jest, Babel, TypeScript, Claude Code, Cursor, GitHub Copilot, RESTful API, AWS, Docker, Kubernetes, Terraform, Ansible, Jenkins, BMad Method, SAFe, Scrum
3w
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Software Engineer, Full Stack, Level 4
Los Angeles or New York City or Bellevue or Seattle or San Francisco or Palo Alto or Santa Monica
$157k-$235k/yr OnsiteFull Time
Snap
SnapNYSE: SNAP: Provides visual messaging software and augmented reality wearable devices.
2+ YOEBachelor's degree or equivalent, 2+ years post-degree software development, proficiency in JavaScript/TypeScript, HTML, CSS and one or more backend languages (Java, Golang, NodeJs, Python), front-end frameworks, unit testing, and full-stack web development.
JavaScript, TypeScript, HTML, CSS, Java, Golang, NodeJs, Python, React, Angular, Vue, WebGL, Canvas, WebAssembly, Service workers, GraphQL, NoSQL, Memcache, Redis, Kubernetes, Google, AWS
1mo
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Senior Software Engineer (Full Stack Enterprise)
Hawthorne or El Segundo or Los Angeles
$150k-$225k/yr OnsiteFull Time
Freeform
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.
Python, Go, Java, Flask, Django, React, Next.js, SQL
2mo
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Full Stack Engineer, Senior
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/yr HybridFull Time
Ascendiun
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.
React, Vue, Angular, JavaScript, TypeScript, .NET, Java, Node.js, Python, MS SQL Server, Oracle, NoSQL, REST, Azure, AWS, GCP, Docker, Kubernetes, Ansible, Bicep, ARM, Terraform, GitHub, GitLab, Bitbucket, Git
1mo
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Senior Salesforce Developer
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
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
1mo
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Senior Engineer - Supply Chain Tech
Seattle or Los Angeles or San Francisco or United States
$142k-$221k/yr OnsiteFull Time
Nordstrom
Nordstrom: Operates luxury department stores and off-price retail outlets.
6+ YOE6+ years engineering experience; Bachelor's or Master's in Computer Science/Engineering or equivalent; strong Java and Spring Boot skills; experience with REST, Kafka, cloud (AWS/GCP), Kubernetes, Docker, CI/CD; on-call and mentoring experience.
Java, Spring Boot, Python, React, JavaScript, C#, Kafka, APIs, RESTful services, AWS, GCP, Kubernetes, Docker, CI/CD, Scrum, Kanban, Lean
1mo
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Senior Software Engineer, Product Foundations
Seattle or Los Angeles
$150k-$200k/yr OnsiteFull Time
Metropolis
Metropolis: Computer vision technology for checkout-free parking and retail payments.
8+ YOE8+ years backend software engineering; expert Java; microservices; Kubernetes; AWS; observability; databases; AI tooling; strong technical communication.
TypeScript, React, Scala, Java, Kubernetes, AWS, Kafka, SQS, MySQL, PostgreSQL, Snowflake, Git, GitHub, Datadog, Copilot, Claude Code, CI/CD
1mo
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Ground Software Engineer
Torrance or Los Angeles
$123k-$150k/yr OnsiteFull Time
K2 Space
K2 Space: Develops high-power satellite platforms for heavy-lift launch vehicles.
3+ YOE3+ years software engineering experience or relevant degree; experience with Rust, TypeScript/Vue, backend/frontend development, APIs, SQL, Docker/Kubernetes, networking and data streaming; strong collaboration and mentoring skills.
Rust, TypeScript, Vue, Go, C++, Java, C#, JavaScript, React, Svelte, Docker, Kubernetes, WebSockets, Server-Sent-Events (SSE), HTTP, gRPC, SQL, PostgreSQL, NATS, Pulsar, TCP/IP, UDP, QUIC, SOC2, FedRAMP
3mo
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Staff Software Engineer - Fullstack
Los Angeles or Adrian
HybridFull Time
Observable Space
Observable Space: Developing integrated hardware and software for persistent space observation.
8+ YOE8+ years in software engineering; 2–3 years in staff/principal/lead roles; strong in Java/Kotlin/C++/C#; data modeling with RDBMS/ETL; TDD; experience in distributed systems and reactive frontend; ability to lead and influence engineering standards.
Java, Kotlin, C++, C#, TypeScript, React, SQL, ETL, Kotlin (backend), JVM
3w
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Cyber Full-Stack Technical Software Engineer
San Francisco or Los Angeles County or United States
$122k-$241k/yr OnsiteFull Time
Deloitte
Deloitte: Provides professional audit, consulting, advisory, and tax services.
3+ YOE3+ years full-stack development; experience designing/deploying AI/Generative AI on AWS/Azure/GCP; Java/Python/JavaScript/TypeScript; frontend (Angular/React/Next.js) and backend (Node.js, Django/Flask, Spring Boot); REST, relational and NoSQL DBs, Git, Microsoft Azure DevOps, unit testing and CI/CD; Agile; cloud certification and bachelor's degree...
Java, Python, JavaScript, TypeScript, Angular, React, Next.js, HTML5, CSS3, Node.js, Django, Flask, Spring Boot, REST, MySQL, PostgreSQL, SQL Server, Oracle, MongoDB, Redis, Cassandra, DynamoDB, Git, Microsoft Azure DevOps, JUnit, Mockito, AWS, Azure, GCP, Docker, Maven, Gradle, Bootstrap, jQuery, JSP, Kubernetes, TensorFlow, PyTorch, OpenSearch, Elasticsearch, Neo4j, Memgraph, Claude API, Claude for Enterprise, Gemini API, Vertex AI Agent Builder, Google Workspace, GPT-4o, Assistants API, Responses API, OpenAI Agents SDK, Anthropic, OpenAI
3w
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Software Engineer, Full Stack, Level 4
Los Angeles or New York City or Bellevue or Seattle or San Francisco or Palo Alto or Santa Monica
$133k-$235k/yr OnsiteFull Time
Snap
SnapNYSE: SNAP: Develops social media applications and augmented reality technology.
2+ YOEBachelor's in CS or equivalent experience; 2+ years post-bachelor software development; full stack web development experience; proficient in JavaScript/TypeScript, front-end frameworks, backend languages, unit testing, and AI tooling.
JavaScript, TypeScript, HTML, CSS, Java, Golang, NodeJs, Python, React, Angular, Vue, WebGL, Canvas, WebAssembly, Service workers, GraphQL, Memcache, Redis, Kubernetes, Google, AWS
1mo
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Senior Software Engineer (Burbank, CA, US, 91505)
Burbank, California, United States
$124k-$170k/yr OnsiteFull Time
Paramount
ParamountNASDAQ: PSKY: Produces and distributes media content across global entertainment platforms.
5+ YOE5+ years professional software engineering; strong Java 17+/Spring Boot; TypeScript/React/Next.js; Python; databases; CI/CD; good communication.
Java, Spring Boot, TypeScript, React, Next.js, Python, PostgreSQL, MySQL, Kafka, Pub/Sub, Solr, Elasticsearch, Docker, Kubernetes, CI/CD
2mo
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Full-Stack Engineer 5 - Ads Decisioning & Optimization
New York or Los Angeles or Los Gatos
$320k-$500k/yr OnsiteFull Time
Netflix
NetflixNASDAQ: NFLX: Global video streaming and media production service.
7+ YOE7+ years of professional software engineering with full-stack experience (UI, API, backend). Proficiency in React, TypeScript/JavaScript, Node.js; backend in Java/Kotlin; strong observability and debugging tooling experience.
React, TypeScript, Java, Kotlin, Node.js, SQL, Observability tooling
2mo
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Ground Software Systems Engineer
El Segundo or Colorado Springs or Aurora
$87k-$198k/yr OnsiteFull Time
Booz Allen Hamilton
Booz Allen HamiltonNYSE: BAH: Provides technology and management consulting services to diverse organizations.
7+ YOE7+ years in ground system components and software development (C++/Python), 2+ years in program reviews and software design documentation, agile, secret clearance, STEM degree.
C++, Python, Java, C, C#, JavaScript, React, NodeJS, PHP, Drupal, .NET
1mo
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Software Engineer Intern
Los Angeles, California, United States
$30/hr HybridInternship
Centerfield
Centerfield: Drives customer acquisition through performance marketing and digital brands.
Required experience with C#/.NET, SQL, HTML/CSS/JavaScript, source control and OOP; pursuing a Computer Science degree; local to Playa Vista and available to work in-office three days/week.
C#, .NET, SQL, HTML, CSS, JavaScript, React, Node.js, Python, Java, AWS, Google Cloud Platform (GCP), Kafka, Amazon SQS, RabbitMQ, Docker, REST APIs
2mo
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Senior Software Engineer - Publishing Platform, Riot Mobile
Los Angeles, California, United States
$162k-$227k/yr OnsiteFull Time
Riot Games
Riot Games: Developing and publishing competitive multiplayer video games.
4+ YOE4+ years professional software engineering experience building and shipping mobile applications; degree in CS or comparable experience; experience with complex codebases, UX collaboration, and technical decision-making.
iOS, Android, Kotlin Multiplatform (KMP), Riot APIs, AWS Lambdas, React, Riot’s internal SDK, Spring Boot, Java, Firebase, Statsig, DataDog