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459 back end jobs at 229 companies in San Jose, CA

2mo
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Software Engineer, Back-End
San Francisco or Seattle
$164k-$284k/yr HybridFull Time
Superhuman
Superhuman: An AI-native productivity platform for email, writing, and collaboration.
5+ YOE5+ years back-end development, production systems at scale, cloud platforms, AI-powered systems, APIs, CI/CD, real-time architectures, independent and collaborative work.
Go, AWS, GCP, Azure, CI/CD, Infrastructure as Code, Real-time systems
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1w
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Java Back end Engineer
Cupertino, California, United States
$100k-$115k/yr OnsiteFull Time
Quest Global
Quest Global: Global engineering services for product development and lifecycle management.
8+ YOERequires 8–12 years in back-end application development, strong Java, Spring, Spring Boot, REST API, SQL, and Git experience, plus Docker, Kubernetes, AWS, CI/CD, debugging, and collaboration skills.
Java, Spring, Spring Boot, REST APIs, SQL, Git, Docker, Kubernetes, AWS, CI/CD
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3mo
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Senior Backend Engineer (Python)
San Francisco, California, United States
$175k-$250k/yr RemoteFull Time
Ellipsis Health
Ellipsis Health: AI-powered voice agent for healthcare care management.
4+ YOE4+ years building production back-ends in Python; real-time streaming; AWS/GCP/Azure; PostgreSQL/Redis; FastAPI/asyncio; HIPAA security.
Python, FastAPI, asyncio, WebRTC, WebSockets, gRPC, AWS, GCP, Azure, Kubernetes, Kafka, SQS, Pub/Sub, Terraform, PostgreSQL, Redis, OpenTelemetry
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1mo
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Senior Backend Engineer (Go)
Casablanca or Palma de Mallorca or Europe or London or New York City or San Francisco or Africa
HybridFull Time
Nuitée
Nuitée: Provides API infrastructure for the global travel industry.
Strong hands-on Go experience, history integrating third-party APIs, ownership of end-to-end integrations, and ability to work at high scale and low process.
Go
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3mo
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Senior/Staff Backend Engineer
New York or San Francisco
$170k-$220k/yr HybridFull Time
Casap
Casap: Building an AI-native disputes automation and fraud prevention platform with a mission to reduce fraud and streamline workflow for financial institutions.
6+ YOE6+ years in software development; at least 2 years with Go or Java in production; platform team/API/background services; end-to-end feature ownership; strong problem-solving and data structures knowledge; mentoring and technical leadership; strong communication.
Go, Java, CI/CD, microservices, backend development
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1mo
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Backend Engineer
San Francisco or New York City or Austin or Seattle
$175k-$300k/yr OnsiteFull Time
Fluidstack
Fluidstack: Provides high-performance cloud GPU infrastructure for AI development.
Experience building production services, observability, API and control-plane design, API-first infrastructure, incident response/pager duty, and familiarity with AI tooling and distributed systems.
LLM APIs, MCP servers, Claude Code, Cursor, Prometheus, Thanos, VictoriaMetrics, Temporal, Cadence, BMC/Redfish, Go, Python, Postgres, Kubernetes
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Backend Engineer
San Francisco, California, United States
$135k-$250k/yr HybridFull Time
Fable Security
Fable Security: AI-driven platform managing human risk and employee security behavior.
3+ YOE3+ years developing backend software; experience designing, implementing, and owning production services; familiarity with relational DBs (Django or similar), APIs, ETL/data pipelines, distributed systems, and cloud tooling (AWS, Terraform, EKS).
Kafka, Spark, Airflow, Django, AWS, Terraform, EKS, GenAI
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1mo
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Backend Lead
San Jose, California, United States
$20-$27/hr OnsiteFull Time
Sierra Circuits
Sierra Circuits: Manufactures and assembles high-technology printed circuit boards.
3+ YOE1+ Mgmt3+ years PCBA/electronics manufacturing experience, 1+ year lead/supervisory experience, knowledge of SMT/through-hole, IPC-A-610 inspection, ESD handling, ability to read assembly drawings and BOMs.
MES, Aegis, Cogiscan
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3mo
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Backend Engineer
San Francisco, California, United States
$140k-$290k/yr OnsiteFull Time
Paraform
Paraform: Marketplace connecting hiring companies with specialized recruiters and AI.
Deep backend expertise; pragmatic, operationally minded, high ownership; experience building production services, databases, and integrations.
PostgreSQL, REST APIs, CI/CD, Git, Authentication, Observability
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1mo
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Backend Engineer
Sunnyvale, California, United States
$177k-$195k/yr OnsiteFull Time
GFiber: An Alphabet delivering fiber and webpass internet services to homes and businesses across the United States.
5+ YOE5+ years software design and full-stack experience with Java/Kotlin, microservices and distributed systems; 2+ years API development; experience with Spring Boot, GCP, container orchestration, and observability; bachelor's or equivalent.
Spring Boot, Kotlin, Java, Redis, Memcached, Kafka, RabbitMQ, Google Kubernetes Engine (GKE), Cloud Run, Google Cloud Observability (Stackdriver), OpenTelemetry, Vertex AI, Gemini, OpenAI, Anthropic, AntiGravity, Claude, Cursor, Google Cloud Platform (GCP)
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1d
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Backend Engineer
San Francisco, California, United States
OnsiteFull Time
Raindrop
Raindrop: AI agent monitoring and observability platform.
Experience scaling applications, balancing short- and long-term speed, building or using AI products and tools, and solving complex problems in person in San Francisco.
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3mo
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Backend Engineer
San Mateo, California, United States
OnsiteFull Time
Luminary Cloud
Luminary Cloud: Cloud-native physics simulation platform for accelerated product engineering.
10+ YOE10+ years building high-performance backend systems; Kubernetes expertise; SaaS focus; cloud infrastructure and security; leadership and mentoring; strong communication.
Kubernetes, Docker, GCP, CI/CD
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2mo
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Backend Engineer
Mountain View, California, United States
HybridFull Time
Bespoke Labs
Bespoke Labs: Curating data and environments to train advanced AI agents.
Production systems, distributed infra, sandboxing; Python; cloud experience; collaboration with research teams; strong reliability mindset.
Python, Go, Rust, C++, Docker, Kubernetes, GCP, AWS, CLI
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2mo
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Backend Engineer
San Francisco, California, United States
$130k-$200k/yr OnsiteFull Time
Sandberg Goldberg Bernthal Family Foundation
Sandberg Goldberg Bernthal Family Foundation: Operates programs for women's empowerment and community resilience.
3+ YOE3+ years backend or full-stack engineering experience with data/analytics; strong Python (preferred) or Node.js/Ruby/Java, SQL and NoSQL skills; experience building data pipelines, defining metrics, A/B testing, and data visualization; bachelor's in CS/data field or equivalent.
Python, Node.js, Ruby, Java, SQL, NoSQL, RESTful APIs
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3mo
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Backend Engineer
San Francisco, California, United States
$190k-$230k/yr OnsiteFull Time
Lapel
Lapel: Unifying customer data to power personalized service at scale.
3+ YOE3+ years backend or software engineering; API design; backend architecture; Node.js/Python/Go; PostgreSQL/MySQL; scalable systems; customer-focused.
Node.js, Python, Go, PostgreSQL, MySQL, TypeScript, Temporal, Pulsar
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1d
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Backend Engineer
San Francisco, California, United States
$130k-$200k/yr OnsiteFull Time
Mintlify
Mintlify: AI-powered platform for generating and hosting software documentation.
Strong experience with systems design, API architecture, databases, and production systems; product intuition, ownership, adaptability, and customer collaboration are required.
API, databases, caching, queues
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2w
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Backend Software Engineer
San Francisco or United States
HybridFull Time
Teambridge
Teambridge: AI-native platform for hourly workforce scheduling and management.
5+ YOE5+ years backend experience, proficiency with Kotlin/JVM or Java/Go/Python/Node.js, experience with event systems (SQS,Kafka,PubSub), and ability to deliver end-to-end backend features.
Kotlin, Micronaut, PostgreSQL, Redis, AWS, ECS, React, TypeScript, GitHub, Slack, Linear, SQS, Kafka, PubSub, Java, Go, Python, Node.js
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4d
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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+ YOERequires 5+ years designing production backend services, APIs, and distributed systems; Python and JavaScript/TypeScript proficiency; experience with infrastructure, data pipelines, scalability, reliability, and end-to-end ownership.
Python, JavaScript, TypeScript, Node.js
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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
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Senior Backend Engineer
United States or San Francisco
$170k-$195k/yr RemoteFull Time
Fieldwire
Fieldwire: Construction management software for field and office coordination.
5+ YOE5+ years production web application experience, CS degree or equivalent, strong algorithms/data-structures, relational DB expertise, mentoring and architecture leadership.
Ruby on Rails, Docker, AWS
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