64 back end javascript developer jobs at 42 companies in California

2mo
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Experienced Backend JavaScript Developer - San Francisco
San Francisco or Israel
HybridFull Time
Bright Data
Bright Data: Provides automated web data collection and proxy infrastructure platforms.
3+ YOE3+ years development experience (2+ in back-end JavaScript). Strong Node.js, system design, and network protocols knowledge. Experience with MongoDB, Express, Kubernetes, RabbitMQ, Cassandra, Snowflake; HTML/CSS/React a plus.
JavaScript, Node.js, MongoDB, Express, Kubernetes, RabbitMQ, Cassandra, Snowflake, HTML, CSS, React
6d
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Remote Backend Engineer (Python/FastAPI)
San Francisco or United States or Berlin
€200-€300/hr RemoteContract
Turing
Turing: AI-powered platform connecting companies with global remote software developers.
3+ YOE3+ years software engineering experience, strong Python and JavaScript (React, Node.js) skills, production deployment experience, software architecture and debugging, excellent communication.
Python, FastAPI, JavaScript, React, Node.js, C/C++, Java, Rust, Go
2d
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Lead Backend Software Engineer
San Carlos, California, United States
$185k-$260k/yr HybridFull Time
Beacon AI
Beacon AI: Developing an AI-powered-pilot for safer flight operations.
5+ YOE5+ years building backend services, APIs, and distributed systems; experience with Python and JavaScript/TypeScript (Node.js); data pipeline and production reliability experience; strong ownership and communication.
Python, JavaScript, TypeScript, Node.js
1w
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Senior, Software Engineer - Back End
Sunnyvale, California, United States
$117k-$234k/yr OnsiteFull Time
Walmart
WalmartNYSE: WMT: Multinational retail operating discount stores and supermarkets.
3+ YOEExpertise in software architecture and scalable distributed systems, proficiency in object-oriented programming (JavaScript, Python, C), CI/CD experience, 3+ years software engineering experience or 5+ years without degree, strong communication and problem-solving.
JavaScript, Python, C, CI/CD
3w
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Sr. Backend Engineer, Digital Engineering
Carlsbad, California, United States
$148k-$180k/yr RemoteFull Time
Vuori
Vuori: Designs and sells performance athletic and lifestyle apparel.
5+ YOEBachelor's degree preferred,5+ years backend experience,expertise in TypeScript/Node.js or comparable language,REST/GraphQL,serverless,PostgreSQL,testing,CI/CD,observability and strong communication.
TypeScript, Node.js, JavaScript, Python, REST, GraphQL, Azure Functions, AWS Lambda, PostgreSQL, Jest, JWT, OAuth, GitHub, Bitbucket, YAML, New Relic, Sentry, Azure Application Insights, React, NestJS, Next.js, Express, Fastify, Shopify APIs, Azure Bicep, Amazon CDK, Terraform, Azure Service Bus, Amazon Data Firehose
1mo
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Senior Software Engineer, Backend
Sofia or San Francisco or North America or Europe or Australia
HybridFull Time
LucidLink
LucidLink: Cloud-native file streaming for real-time remote collaboration.
5+ YOE5–8 years software development experience; strong knowledge of TypeScript/JavaScript, Node.js or React; web architecture, RESTful APIs, microservices; automated testing, code reviews, CI/CD; cloud platform familiarity; English fluency.
TypeScript, Node.js, React, JavaScript, AWS, GCP, Azure, CI/CD
1mo
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Software Engineer, Backend - UK
London or California or Bengaluru or Vancouver or United Kingdom
RemoteFull Time
Ema
Ema: Builds universal AI employees to automate enterprise business processes.
7+ YOE7+ years experience; strong CS fundamentals; backend development with Go and Python; API, database, cloud, containerization, and security experience; experience with PostgreSQL, Elastic, Redis, GCP, Docker, and Kubernetes.
Go, Python, REST, gRPC, GraphQL, FastAPI, PostgreSQL, NoSQL, HTML, CSS, JavaScript, React, Angular, Temporal, Kafka, OpenAI, Gemini, Claude, Elastic, Redis, GCP, Docker, Kubernetes
1mo
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Senior Software Engineer - Backend
San Francisco, California, United States
$158k-$238k/yr HybridFull Time
Hinge Health
Hinge HealthNYSE: HNGE: Digital provider of musculoskeletal care and physical therapy
5+ YOEBachelor's in CS/Engineering or equivalent, 5+ years professional software development, delivered large production projects, proficiency in at least one modern language, experience with cloud/distributed systems and production reliability.
React Native, React, Node.js, TypeScript, Nestjs, GraphQL, Docker, Rails, AWS, Postgres, Redis, Apollo, Redux, Python, Java, JavaScript
4d
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Backend Software Engineer - Web/ML Dev Ops
San Mateo, California, United States
HybridFull Time
Chooch
Chooch: Provides computer vision AI for automated visual data analysis.
Strong backend engineering experience, proficiency in Python, relational databases/SQL (PostgreSQL), Linux, Git, CI/CD, and experience operating production services and APIs.
Python, PostgreSQL, SQL, Linux, Git, OpenCV, AWS, Azure, GCP, Docker, Kubernetes, HTML, JS, REST, GraphQL, CI/CD
3w
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Staff Full Stack Software Engineer (Backend) - Scheduling
New York City or San Francisco or Seattle
$189k-$315k/yr OnsiteFull Time
Rippling
Rippling: Unified platform managing workforce HR, IT, and finance operations
8+ YOE8+ years backend experience with Python/Django, frontend experience with React/JavaScript, strong CS fundamentals, system design, product focus, and mentoring experience.
Python, Django, React, JavaScript
1mo
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Full-Stack Engineer (Backend Focused)
Los Angeles or Alabama or Alaska or Delaware or District of Columbia or Hawaii or Iowa or Louisiana or Mississippi or Nebraska or New Mexico or Rhode Island or South Dakota or West Virginia or United States
$140k/yr HybridFull Time
TeamSnap
TeamSnap: Software platform for managing youth sports teams and leagues.
2+ YOE2+ years software engineering experience; strong backend skills with Node and TypeScript/JavaScript, frontend experience with React, SQL/relational databases, distributed systems and API development.
Node, TypeScript, JavaScript, React, SQL, MySQL, GCP Cloud SQL
1mo
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Software Development Engineer II- Back End
Redlands or St. Louis or Vienna
$97k-$162k/yr OnsiteFull Time
Esri
Esri: Developing software for digital mapping and spatial data analysis.
2+ YOE2+ years backend engineering experience building services with Python, Node.js/JavaScript, or Java; REST API design; ArcGIS Enterprise integration; containerization (Docker/Kubernetes); Top Secret/SCI clearance required; Bachelor's degree in CS/Math/GIS/STEM.
Python, Node.js, JavaScript, Java, ArcGIS Enterprise, ArcGIS Enterprise SDKs, Docker, Kubernetes, Azure, AWS, GCP, PostgreSQL, PostGIS, SQL Server, REST APIs
2mo
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Software Engineer III - Backend
Irvine, California, United States
$125k-$140k/yr OnsiteFull Time
Fluxergy
Fluxergy: Portable diagnostic platform for rapid point-of-care laboratory testing
5+ YOE5+ years backend engineering; strong API, databases, and CI/CD; Python/JavaScript/TypeScript; healthcare/regulatory exposure a plus.
Python, JavaScript, TypeScript, React, REST, CI/CD, Linux
1mo
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Staff Software Engineer, Backend
Los Angeles or San Francisco
$200k-$240k/yr OnsiteFull Time
Cantina
Cantina: Social platform for creating and interacting with AI characters.
5+ YOE5–10 years backend engineering experience; Bachelor's degree in CS/Engineering; proficiency in Golang, Node.js, JavaScript/TypeScript, Postgres, and AWS; experience with microservices, REST APIs, and growth-focused projects.
Golang, Node.js, JavaScript, TypeScript, Postgres, AWS Lambda, DynamoDB, API Gateway, S3, Segment, Branch.io
2mo
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Senior Software Engineer- Backend
Concord, California, United States
$130k-$150k/yr OnsiteFull Time
Kyocera Document Solutions
Kyocera Document SolutionsTokyo Stock Exchange: 6971: Manufacturer of document management systems and printing hardware.
4+ YOE4+ years in software development; strong C#, .NET Core, Go; REST APIs; SQL/NoSQL; microservices; Docker/Kubernetes; AI-assisted tools; full-stack knowledge preferred.
C#, .NET Core, Go, SQL, NoSQL, REST, WebSocket, JSON, JavaScript, TypeScript, PostgreSQL, Redis, RabbitMQ, Kafka, Docker, Kubernetes, Git, CI/CD, XUnit, AI-assisted development tools
1mo
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Staff Full Stack/Back End Engineer (NodeJS+React)
South San Francisco, California, United States
HybridFull Time
Deep Origin
Deep Origin: Platform for scientific simulation and drug discovery research.
10+ YOE10+ years building scalable distributed systems; 5+ years with React/TypeScript/JavaScript/NodeJS; experience with Postgres, MongoDB, Kubernetes, cloud infra, multi-tenant systems; authorized to work in the U.S.; strong system design skills.
React, TypeScript, JavaScript, NodeJS, Postgres, MongoDB, Kubernetes
1w
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Software Development Engineer - Workday Everywhere
Pleasanton, California, United States
$148k-$222k/yr HybridFull Time
Workday
WorkdayNASDAQ: WDAY: Provides cloud-based software for financial and human capital management.
3+ YOE3+ years software engineering experience; front-end and back-end development; JavaScript/TypeScript; cloud (AWS/GCP/Azure); DevOps/Infrastructure as Code (CDK, Terraform); CI/CD and API design.
JavaScript, TypeScript, AWS, GCP, Azure, CDK, Terraform, Jenkins, GitHub Actions, Datadog, CloudWatch, Grafana, Slack, Microsoft Teams, Workday XO, REST, GraphQL, MCP, A2A
3w
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SASE Cloud Software Engineer - AI & Backend
San Jose, California, United States
$137k-$277k/yr HybridFull Time
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Provides global edge-to-cloud technology solutions and IT infrastructure services.
5+ YOE5+ years Java/Python backend development, 5+ years designing REST APIs/microservices, 2+ years building or integrating AI/LLM applications, experience with SQL/NoSQL and cloud platforms, familiarity with JavaScript/React/Node.js, BS in a technical discipline.
Java, Python, REST APIs, LLM, Retrieval-Augmented Generation (RAG), SQL, NoSQL, AWS, Azure, JavaScript, React, Node.js
2mo
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Software Engineer
San Diego, California, United States
$80k-$130k/yr HybridFull Time
Whova
Whova: All-in-one platform for event management and attendee engagement.
Full-time Software Engineer with front-end or back-end focus; Bachelor’s degree; experience in Python and JavaScript; data structures/algorithms; front-end HTML/CSS; unit tests; capable of delivering scalable services.
Python, JavaScript, HTML, CSS
1mo
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Software Engineer II
California or Florida or Georgia or Illinois or Indiana or Minnesota or Montana or North Carolina or New Hampshire or New Jersey or New York or Ohio or Oregon or Pennsylvania or Virginia
$75k-$125k/yr RemoteFull Time
Vitu
Vitu: Digitizes vehicle titling and registration for businesses and governments.
2+ YOEBachelor's in CS or equivalent, Scrum Developer certification, 2+ years experience building scalable web applications across front-end and back-end stacks; proficiency with HTML, CSS, JavaScript, PHP/Python/Ruby/C#, and SQL Server; agile experience.
HTML, CSS, JavaScript, PHP, Python, Ruby, C#, SQL Server