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992 senior backend software engineer jobs at 431 companies in San Jose, CA

1mo
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Senior Backend Software Engineer
New York City or San Francisco
$100k-$200k/yr OnsiteFull Time
Alpaca Health
Alpaca Health: Enabling clinicians to launch and scale independent autism care clinics.
Senior backend engineer with strong system-design and ownership; builds integrations, billing/payments, data pipelines, and AI/LLM infrastructure. Experience in operationally complex domains (healthcare, fintech, insurance) or early-stage startups preferred.
Candid, Silna, Availity, HubSpot, LLM
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3mo
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Senior Backend Engineer
San Francisco, California, United States
$150k-$300k/yr OnsiteFull Time
Amari
Amari: AI agents automating document-heavy workflows for the logistics industry.
4+ YOE4–6 years backend software engineering in a high-growth startup; ownership of backend systems; strong architectural judgment; in-person SF collaboration.
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1w
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Senior Backend Software Engineer
San Francisco or Los Angeles or Washington or San Diego or Seattle or London
$140k-$240k/yr OnsiteFull Time
CHAOS Industries
CHAOS Industries: Develops advanced radar and sensing systems for modern defense.
Backend and cloud engineering role requiring scalable distributed systems experience, production ownership, and ability to obtain and maintain U.S. security clearance; U.S. Person status required.
Microsoft Azure, Python, Terraform, Kubernetes, TypeScript, React
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1w
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Senior Backend Software Engineer
San Francisco, California, United States
$155k-$180k/yr OnsiteFull Time
SPAN
SPAN: Sells smart electrical panels for residential energy management.
4+ YOERequires 4+ years of backend engineering and programming experience, strong JVM expertise, Kafka and Kubernetes experience, cloud-native platform knowledge, and observability platform experience.
Kotlin, TypeScript, Python, gRPC, REST APIs, GraphQL, MQTT, Kubernetes, Apache Kafka, Datadog, AWS, GCP, Azure, AWS IoT, SQL, Flink, Spark, Istio, Spring Boot, Micronaut, Pulumi, Terraform, Stripe
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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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3mo
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Senior Backend Engineer, Agentic
Palo Alto, California, United States
$350k-$500k/yr OnsiteFull Time
Inflection AI
Inflection AI: Develops human-centered personal AI and large language models.
10+ YOESenior backend engineer with 10+ years in production cloud systems; strong Python, PostgreSQL, Redis; cloud experience (AWS/GCP/Azure); Kubernetes; LLM patterns; ownership and reliability.
Python, PostgreSQL, Redis, Kubernetes, Docker, Cloud Platform (AWS/GCP/Azure), LangGraph, LlamaIndex, OpenAI
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3w
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Senior Backend Software Engineer - GM Energy
Warren or Austin or Sunnyvale
$129k-$198k/yr HybridFull Time
General Motors
General MotorsNYSE: GM: Manufactures and sells automobiles and automotive parts globally.
5+ YOEBachelor's in CS or related and 5+ years software engineering experience; strong backend/API development, cloud and distributed systems experience; proficiency in Java/Kotlin/Python/Go; testing, debugging, and collaboration skills.
Java, Kotlin, Python, Go, Azure, Docker, Kubernetes, CI/CD
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2mo
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Senior Software Engineer, Backend/Infra
Palo Alto, California, United States
$185k-$300k/yr HybridFull Time
Pika
Pika: AI-powered platform for generating and editing professional videos
5+ YOE5+ years software engineering experience, 2+ years with LLM/agentic systems preferred; deep backend proficiency (Node.js, Python, Go), distributed systems, AWS/GCP, Kubernetes, CI/CD, real-time architectures, and LLM integration skills.
Node.js, Python, Go, Express, FastAPI, TypeScript, AWS, GCP, Kubernetes, CI/CD, WebSocket, Claude, GPT, Gemini, LLM, LangChain, CrewAI, AutoGPT, SQL, NoSQL
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3d
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Senior Backend Software Engineer
Chicago or San Francisco
OnsiteFull Time
FleetWorks
FleetWorks: Automates freight brokerage operations using AI voice and email agents.
3+ YOERequires 3–6+ years of software engineering experience, TypeScript, Node.js, REST API design, external-system integration, AI-driven systems experience, strong communication, and Chicago location with 20–30% travel.
TypeScript, Node.js, REST API
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3mo
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Backend Software Engineer
Santa Clara, California, United States
$140k-$205k/yr HybridFull Time
Kerrigan Robotics
Kerrigan Robotics: AI-powered orchestration platform for factory automation systems.
5+ YOE5+ years backend experience building distributed systems in Go; strong Docker and Kubernetes skills; familiarity with PostgreSQL, message brokers (NATS, RabbitMQ), gRPC/REST, CI/CD and Git.
Golang, Docker, Kubernetes, NATS, RabbitMQ, PostgreSQL, gRPC, REST, CI/CD, Git
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2mo
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Senior Software Engineer, Backend - RQL
Seattle or San Francisco
$168k-$280k/yr OnsiteFull Time
Rippling
Rippling: Unified platform managing workforce HR, IT, and finance operations
6+ YOE6+ years backend engineering experience; experience with distributed systems, distributed processing engines, big data technologies, mentoring developers, and building data platforms.
Python, MongoDB, CDC, Kafka, Aurora, Trino, Presto, Pinot, Iceberg, Flink, Rippling Query Language (RQL), Microsoft 365
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5d
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Senior Software Backend Engineer - Market Pricing
New York City or San Francisco or Salt Lake City or Kraków or United Kingdom
$167k-$225k/yr HybridContract
Pave
Pave: Cloud-based software for managing and benchmarking employee compensation.
5+ YOERequires 5+ years of backend engineering experience, scalable systems design, performance and reliability expertise, strong judgment, and ability to lead ambiguous projects and mentor engineers.
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1mo
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Senior Staff Software Engineer-Backend
Fremont, California, United States
$180k-$220k/yr HybridFull Time
Scout Motors
Scout Motors: Designs and manufactures all-electric rugged SUVs and trucks.
12+ YOE12+ years building and scaling backend platforms; expertise in distributed systems, platform engineering, APIs, microservices, cloud-native architectures; experience influencing technical strategy and mentoring senior engineers.
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2w
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Staff Backend Software Engineer
Sunnyvale, California, United States
$210k-$314k/yr OnsiteFull Time
Carbon
Carbon: Manufacturer of industrial 3D printers and advanced polymer materials.
8+ YOE8+ years building and operating production backend services; deep Linux and networking fundamentals; experience with OS provisioning, reliability, and mentoring; bachelor's in CS/Engineering or equivalent.
Linux, systemd, Bazel, MQTT, Python, Go, Node, TypeScript, C++
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4d
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Backend Software Engineer - Codex for Finance
San Francisco, California, United States
$293k-$325k/yr HybridFull Time
OpenAI
OpenAI: Develops artificial intelligence models and generative AI software services.
5+ YOERequires 5+ years of professional software engineering experience, backend production systems expertise, backend language proficiency, and experience with APIs, data or distributed systems, integrations, and reliable enterprise software.
ChatGPT Work, Codex, Python, Go, Rust, TypeScript
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1mo
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Senior Software Engineer - Backend
San Ramon or California
$120k-$180k/yr HybridFull Time
ARIVE
ARIVE: Integrated software platform for independent mortgage broker originations.
5+ YOE5+ years backend engineering with Node.js and TypeScript, experience with PostgreSQL and MongoDB, AWS and Docker, production ownership, API and systems design, observability, and secure coding practices.
Node.js, TypeScript, PostgreSQL, MongoDB, AWS, Docker, Redis, EC2, Lambda, RDS, S3, SQS, Kafka, RabbitMQ, Datadog, CloudWatch, New Relic, OAuth 2.0, JWT
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3d
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Senior Backend Engineer
Redwood City, California, United States
OnsiteFull Time
Waystation
Waystation: AI-native procurement platform for consumer packaged goods.
6+ YOERequires 6+ years of production software experience, 2+ years at a seed-to-Series B startup, backend/data expertise, live schema migrations, queues, APIs, and strong communication.
TypeScript, Node, React, GraphQL, Postgres, Claude Code
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2mo
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Senior Software Engineer, Backend — Founding Team
San Francisco, California, United States
$150k-$250k/yr OnsiteFull Time
ArchiBoost AI
ArchiBoost AI: AI software for automated architectural code compliance and QA.
5+ YOE5+ years backend engineering experience. Strong skills in Python, Go, or TypeScript. Experience with distributed systems, scalable APIs, CS fundamentals. Preferred: LLMs, RAG, vector DBs, cloud (AWS/GCP), GPU optimization.
Python, Go, TypeScript, LLMs, RAG, vector databases, AWS, GCP, GPU, BIM
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1mo
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Senior Software Engineer, Backend (AdTech)
Palo Alto, California, United States
$160k-$220k/yr HybridFull Time
Mashgin
Mashgin: AI-powered touchless checkout kiosks for retail and dining.
5+ YOE5+ years backend engineering experience, B.S. in Computer Science or equivalent, strong knowledge of Python/Node.js/C++/Go/C#/Java, production systems, SQL, algorithms; AdTech experience preferred.
Python, Node.js, C++, Go, C#, Java, SQL, OpenRTB
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Senior Backend Engineer
San Francisco, California, United States
$230k-$280k/yr OnsiteFull Time
Mochi Health
Mochi Health: Provides telehealth weight management and prescription medication services.
5+ YOE5+ years backend engineering experience, strong distributed systems and data modeling skills, experience owning infrastructure (Kubernetes, Terraform, AWS), proficiency with TypeScript/Node.js, excellent communication.
TypeScript, Node.js, Express, PostgreSQL, Redis, Kubernetes, Terraform, AWS, Codex 5.3, Claude Opus 4.6
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