1,645 backend engineer jobs at 615 companies in San Francisco, CA
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3mo
Sr Backend Engineer
San Francisco or New York
$167k-$219k/yrHybridFull Time
Quizlet: American private education technology providing digital study tools for students, teachers, professionals, and lifelong learners.
4+ YOE4+ years backend or data engineering experience; strong SQL and data warehouse experience; proficiency in Python/Java/Scala; Elasticsearch/OpenSearch experience; experience building production data pipelines and backend services.
Firecrawl: Private AI data infrastructure providing APIs that turn web pages into clean data for developers and AI agents.
3+ YOE3+ years in backend, networking, or infrastructure engineering; production ownership and on-call responsibility; authorized to work in the US or eligible remote regions.
Known: Voice-AI dating app using personalized matchmaking to help adults form relationships and plan in-person dates.
4+ YOE4-6 years designing, building, and deploying production backend systems; strong proficiency in at least one backend language (Python, Go, TypeScript, Java); experience with APIs, distributed systems, relational databases, caching, async processing, data infrastructure, and cloud deployment (Docker, Kubernetes, AWS/GCP).
Denver or Seattle or Washington or San Francisco or Los Angeles or Arvada or San Francisco or Nashville or Denver or Santa Fe or New Orleans or San Diego or Bozeman or New York City
$120k-$180k/yrHybridFull Time
Quindar: Automation First. Mission Ready. Mission management software delivering a common operating picture, system-of-systems integration, and resiliency across commercial and government space missions.
3+ YOERequires Python backend development, AWS, GraphQL, Docker, Terraform, APIs, Kubernetes, Git, a computer science bachelor's degree, and 3+ years of experience; U.S. person status and security clearance eligibility required.
MatternetNASDAQ: MATT: Autonomous drone delivery serving healthcare, logistics, restaurant, and retail customers in urban and suburban markets.
3+ YOE3+ years building and operating production backend systems; proficiency in Node.js/TypeScript or comparable language; API design, relational databases, data modeling; cloud infrastructure, containers, CI/CD; strong debugging and ownership.
Town: Town is a privately held applied-AI software building assistants that help people create and use software at work.
Experienced backend engineer with production experience scaling distributed systems, LLM/agent infrastructure, workflow orchestration, and defining technical direction in fast-moving startups.
PlusMinusOne: Mobile startup studio developing and marketing its own mobile apps for users worldwide.
3+ YOE3+ years building production backend services with Node.js and TypeScript; requires PostgreSQL, Redis, REST APIs, Docker, AWS, and scalable system design experience. Kubernetes and Terraform experience are valued.
Nourish: N insurance-covered virtual metabolic health clinic connecting patients with registered dietitians nationwide.
5+ YOEBachelor's or Master's in Computer Science or related field; 5+ years backend engineering; 3+ years with TypeScript, Node.js, Prisma, PostgreSQL, AWS; ability to ship fast and work collaboratively.
Mochi Health: Private telehealth serving patients with personalized virtual clinical care, weight management, and treatments across 120+ conditions.
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
Attain: Private consumer data and advertising technology helping brands measure, target, and optimize media using permissioned purchase data.
6+ YOEStrong backend engineering experience designing APIs, microservices, and data models; experience with cloud (AWS/GCP/Azure), gRPC/protobuf/GraphQL, relational databases, Rust-based services; 6+ years preferred; strong communication and leadership potential.
Verkada: Physical security platform for enterprise buildings and facilities.
1+ YOE1+ years backend experience, BS/MS in CS or related, proficiency in Python and/or Go, experience with Redis/DynamoDB/Postgres, Kafka/SQS, Terraform/Kubernetes, and REST APIs.
Waystation AI: AI procurement platform helping food, beverage, supplement, and pet food manufacturers manage supplier communications and sourcing.
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
New York City or Seattle or San Francisco or Toronto
HybridFull Time
Stripe: Financial infrastructure platform for online businesses and enterprises.
2+ YOERequires 2–10+ years of industry software engineering experience, strong coding and collaboration skills, autonomy, and interest in backend work across varied technologies and stacks.
Qualified Health: Qualified Health is a private healthcare AI platform helping health systems deploy governed, scalable artificial intelligence safely.
Proven track record architecting large-scale backend systems; deep distributed systems expertise; expert-level Python; cloud-native experience on AWS/GCP/Azure; on-site in Palo Alto 3 days/week.