552 senior backend developer jobs at 305 companies in Cotati, CA
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Senior Backend Engineer
San Francisco, California, United States
$175k-$275k/yr OnsiteFull Time
5+ YOE5+ years backend development with Python, FastAPI/Pydantic; Kubernetes/EKS; relational databases; AWS stack; building scalable services.
Python, FastAPI, Pydantic, Kubernetes, EKS, PostgreSQL, Redis, S3, DynamoDB, AWS
3mo
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Senior Backend Developer
San Francisco, California, United States
$160k-$210k/yr RemoteFull Time
5+ YOE5+ years backend development; strong TypeScript/Node.js; REST/GraphQL; orchestration layers; microservices; cloud platforms; Kubernetes; SQL/NoSQL; secure data handling; CI/CD; production ownership.
TypeScript, Node.js, REST, GraphQL, Kubernetes, AWS, GCP, Azure, PostgreSQL, MongoDB, DynamoDB, CI/CD
1mo
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Senior Backend Engineer
Madrid or Paris or Seattle or London or Berlin or San Francisco or New York City or Sydney or Mexico City
HybridFull Time
6+ YOE6+ years backend development with a typed language (TypeScript preferred), production AWS experience, infrastructure-as-code (CloudFormation or Terraform), security-first mindset, serverless experience, GraphQL a plus, on-call rotation and mentoring experience.
TypeScript, AWS, CloudFormation, Terraform, GraphQL
2mo
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Senior Backend Engineer
San Francisco, California, United States
$150k-$300k/yr OnsiteFull Time
4+ YOE4–6 years backend software engineering in a high-growth startup; ownership of backend systems; strong architectural judgment; in-person SF collaboration.
1mo
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Senior Backend Engineer
San Francisco, California, United States
OnsiteFull Time
6+ YOE6+ years building high-throughput backend systems; strong API design, data modeling, distributed systems experience; hands-on with ClickHouse/Presto; EM and platform collaboration skills.
ClickHouse, Presto, Kafka, Spark, Flink, Ray, Airflow, Dagster, Prefect
1mo
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Senior Backend Engineer
San Francisco, California, United States
$230k-$280k/yr OnsiteFull Time
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
1w
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Senior Backend Engineer, Product
San Francisco, California, United States
OnsiteFull Time
Experience designing APIs, scaling backend systems from 0-1, and building infrastructure to support product features; strong backend engineering and system-architecture skills.
2mo
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Senior Backend Developer - Updated
San Francisco, California, United States
OnsiteFull Time
5+ YOE5+ years backend experience, proficiency in Java, Python or Go, microservices and RESTful API experience, SQL/NoSQL knowledge, cloud platform experience, strong problem-solving and communication.
Java, Python, Go, SQL, NoSQL, AWS, GCP, Azure
1mo
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Senior Backend Engineer
Los Angeles or New York City or San Francisco
$170k-$200k/yr HybridFull Time
6+ YOE6+ years software development (Python required), 4+ years building distributed systems and modern data stacks, deep SQL and data modeling, experience with LLMs and agentic coding tools, strong communication and cross-team collaboration.
Python, Cursor, Copilot, Cody, RDS, Databricks, Spark, Redshift, Kafka, Airflow, dbt, SQL, REST, gRPC, GraphQL
1mo
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Senior/Staff Backend Engineer
New York City or San Francisco
OnsiteFull Time
5+ YOE5+ years building and operating production backend systems; strong in Python and TypeScript; experience with PostgreSQL, GraphQL, serverless, async and event-driven architectures; familiarity with LLMs and integrations (Slack, Linear, HubSpot, Front).
Python, TypeScript, PostgreSQL, GraphQL, Slack, Linear, HubSpot, Front, CRDTs, LLMs, serverless
3mo
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Senior/Staff Backend Engineer
New York or San Francisco
$170k-$220k/yr HybridFull Time
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
1mo
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Senior Backend Software Engineer
New York City or San Francisco
$100k-$200k/yr OnsiteFull Time
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
1mo
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Senior Backend Engineer - Product
San Francisco or New York City or Portland or United States or Canada
$167k-$208k/yr HybridFull Time
3+ YOE3+ years backend development experience, proficiency in SQL, familiarity or willingness to learn Haskell, product-minded, experience making architecture decisions, strong communication, and use of AI tools to boost productivity.
Haskell, SQL
2mo
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Senior Backend Engineer
United States or San Francisco
$170k-$195k/yr RemoteFull Time
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
1w
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Senior Backend Engineer
San Francisco, California, United States
$110k-$200k/yr OnsiteFull Time
5+ YOE5+ years backend experience, proficiency in Python, FastAPI, SQL, testing with pytest, experience designing data architectures and shipping production systems, familiarity with AI-assisted coding tools.
Python, FastAPI, pytest, Claude Code, Codex, OpenCode, SQL, AWS
2d
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Senior Backend Engineer (Community)
San Francisco, California, United States
$160k-$210k/yr HybridFull Time
6+ YOE6+ years of software development experience; Ruby on Rails or Python; 1+ year of Elixir; distributed systems, APIs, scalable architecture, reliability, testing, monitoring, and healthcare integrations preferred.
Elixir, Ruby on Rails, Python, Phoenix LiveView, FHIR, HL7, X12, EHR, HIPAA, API, HSA, FSA
1mo
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Senior Backend Engineer, Agentic AI
San Francisco, California, United States
$150k-$245k/yr OnsiteFull Time
5+ YOE5+ years backend experience with Python at scale, strong SQL/NoSQL database design, distributed/event-driven systems experience, familiarity with GCP services, and security/compliance best practices.
Python, FastAPI, Pydantic, SQL, NoSQL, GCP, Pub/Sub, Cloud Run, Cloud SQL, BigQuery, KMS
6d
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Senior / Staff Backend Engineer
San Francisco or Austin
OnsiteFull Time
4+ YOE4+ years building backend systems with Node.js/TypeScript, strong SQL/Postgres and ORM experience, API integrations at scale, async/event-driven architecture, and product-minded communication.
TypeScript, Node.js, Postgres, Prisma, Redis, Kafka, Temporal, SQL, Guesty, Hostaway, OwnerRez, Lodgify, Streamline, Track, Escapia
1mo
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Senior Backend Engineer – AI Platform
Boston or San Francisco or Seattle or Dallas or Salt Lake City or Portland or United States
$122k-$146k/yr RemoteFull Time
5+ YOEBachelor's in CS/Software Engineering, 5–8 years software engineering experience; expertise in backend Java/C# (SpringBoot), REST/gRPC, SQL; experience building scalable distributed systems and AI/LLM-driven services.
Java, C#, SpringBoot, REST, gRPC, ODATA, SQL, OpenAI APIs, LangChain, Python, Kafka, Docker, Kubernetes, Model Context Protocol (MCP), Pinecone, Weaviate, OpenSearch, Milvus
3d
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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
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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