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825 backend engineering jobs at 413 companies in Napa, CA

5d
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Principal Engineer, Backend Engineering
San Francisco, California, United States
$210k-$274k/yr OnsiteFull Time
Atlassian
AtlassianNASDAQ: TEAM: Develops software for team collaboration and project management.
Expert backend engineering to design and lead an AI proxy platform, ensure high availability, cost-efficiency, security integration, and mentor engineering teams.
Codex, Cursor, Claude Code, Rovo CLI
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1mo
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Backend Engineering Intern
San Francisco or Istanbul or Ankara
HybridFull Time, Internship
PlusMinusOne
PlusMinusOne: Develops and markets a portfolio of utility and lifestyle apps
0+ YOE3rd/4th-year CS or engineering student with backend interest; hands-on backend experience via coursework/projects/internships; OOP, data structures, algorithms, and Git familiarity; strong analytical and communication skills.
Git
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2w
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Sr Backend Engineer
San Francisco or New York
$167k-$219k/yr HybridFull Time
Quizlet
Quizlet: Digital learning platform providing study tools and flashcards.
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.
Elasticsearch, OpenSearch, SQL, Snowflake, BigQuery, Redshift, Python, Java, Scala, Airflow, Dagster, Prefect, dbt, REST, gRPC, Datadog, Prometheus, Grafana, Docker, Kubernetes, AWS, GCP, Azure, Spark, Kafka, Flink, FAISS, ScaNN, pgvector, LightGBM, XGBoost, BM25, HNSW, kNN
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1mo
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Lead Backend Engineer
San Francisco or Lehi or Plano
$138k-$216k/yr HybridFull Time
Collective Health
Collective Health: Cloud platform for managing employer-sponsored health benefits.
10+ YOE10+ years backend engineering experience with Java and Spring Cloud, microservices and integration platform experience (Mulesoft), AI tooling familiarity, cloud (AWS/GCP), SQL/PostgreSQL, system development, and strong communication and leadership skills.
Java, Spring Cloud, Mulesoft, GitHub Copilot, Cursor, WindSurf, AWS, GCP, SQL, PostgreSQL
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2mo
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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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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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3w
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Backend Infrastructure Engineer
San Francisco or North America
$200k-$250k/yr HybridFull Time
Firecrawl
Firecrawl: Converts websites into clean structured data for AI.
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.
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3d
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Senior Backend Engineer
San Francisco, California, United States
$110k-$200k/yr OnsiteFull Time
Clera
Clera: AI talent agent matching professionals with high-growth startup roles
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
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3w
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Backend Engineer
San Francisco, California, United States
$140k-$185k/yr HybridFull Time
Scribe
Scribe: Automatically documents digital workflows into step-by-step process guides.
3+ YOE3+ years building backend applications, strong Python skills, experience optimizing endpoints and database queries, automated testing, and collaborative engineering practices.
Python, Django, PostgreSQL, Redis, Celery, AmazonMQ, Terraform, AWS
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2w
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Backend Engineer
San Francisco, California, United States
OnsiteFull Time
Pi
Pi: Agentic AI platform for automated software vulnerability remediation.
Strong backend application engineering experience with TypeScript or Python, API design, relational databases, async/background systems, debugging across services, and security best practices.
TypeScript, Python, Next.js, tRPC, FastAPI, PostgreSQL, Drizzle, Redis, Bun, Docker
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1mo
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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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2mo
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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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1w
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Staff Backend Engineer
New York City or San Francisco
$250k-$300k/yr OnsiteFull Time
Town
Town: AI-powered productivity assistant that automates workplace workflows.
Experienced backend engineer with production experience scaling distributed systems, LLM/agent infrastructure, workflow orchestration, and defining technical direction in fast-moving startups.
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1w
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Software Engineer, Backend (Release Engineering)
San Francisco, California, United States
$148k-$200k/yr HybridFull Time
Benchling
Benchling: Cloud platform for biotechnology research and development.
2+ YOE2+ years software engineering experience, product-first mindset, expertise with a web framework (node or python), strong problem solving, ownership, communication, and interest in life sciences; brief AI exercise in interview.
node, python
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1mo
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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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3w
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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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1mo
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Senior Backend Engineer
San Francisco or New York City
HybridFull Time
Beast Industries
Beast Industries: Produces digital media and consumer goods for MrBeast brands.
7+ YOE7+ years software engineering with heavy backend/distributed-systems responsibility; experience owning reliability, incident response, APIs, databases, cloud-native architectures, and using AI coding agents.
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6d
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Senior Backend Engineer, Product
San Francisco, California, United States
OnsiteFull Time
Orion Sleep
Orion Sleep: Manufacturer of AI-powered smart mattress covers for sleep optimization.
Experience designing APIs, scaling backend systems from 0-1, and building infrastructure to support product features; strong backend engineering and system-architecture skills.
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1w
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Member of Technical Staff, Backend
San Francisco or New York City or London
$250k-$500k/yr OnsiteFull Time
Mercor
Mercor: Connecting expert human intelligence with frontier AI model development.
8+ YOE8+ years backend engineering experience with 3+ years at senior level; deep expertise in distributed systems, service architecture, data modeling, API design; experience owning architecture, leading migrations, mentoring senior engineers; strong communication.
Cursor, Claude Code, GitHub Copilot
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2mo
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Semiotic Labs - Senior Backend Engineer
New York or San Francisco
RemoteFull Time
YieldNest
YieldNest: Liquid restaking protocol for risk-adjusted DeFi yields.
5+ YOE5+ years backend development in Python; async programming; deep PostgreSQL; multi-tenant data isolation; Redis; OpenTelemetry; AWS; strong system design and collaboration.
Python, FastAPI, Pydantic, Async SQLAlchemy, PostgreSQL, pgvector, Row-level security, Redis, OpenTelemetry, AWS, React, Vite
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