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2,119 backend engineer jobs at 837 companies in California

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Sr Backend Engineer
San Francisco or New York
$167k-$219k/yr HybridFull Time
Quizlet
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.
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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3mo
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Backend Engineer
San Francisco, California, United States
$190k-$230k/yr OnsiteFull Time
Lapel
Lapel: Private software building customer-operations infrastructure for internet businesses.
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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1mo
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Principal Engineer, Backend Engineering
San Francisco, California, United States
$210k-$274k/yr OnsiteFull Time
Atlassian
AtlassianNASDAQ: TEAM: Unleashing the potential of every team.
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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3mo
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Senior Backend Engineer
San Francisco, California, United States
$150k-$300k/yr OnsiteFull Time
Amari AI
Amari AI: AI customs-entry automation platform for customs brokers, automating document-heavy filings and regulatory compliance workflows.
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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Backend Engineer
San Francisco, California, United States
$140k-$185k/yr HybridFull Time
Scribe
Scribe: Workflow AI software that helps organizations capture, improve, and scale how work gets done.
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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2mo
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Senior Backend Engineer
San Francisco, California, United States
OnsiteFull Time
Slope
Slope: Private fintech platform that helps B2B businesses accept payments, access credit, and automate underwriting and order-to-cash workflows.
5+ YOE5+ years backend experience; strong Node.js/TypeScript and Python skills; strong SQL and relational/database/ETL experience; API and service design; experience productionizing models and working with data science and risk teams.
Node.js, TypeScript, Python, SQL, Postgres, Snowflake, AWS
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1mo
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Backend Infrastructure Engineer
San Francisco or North America
$200k-$250k/yr HybridFull Time
Firecrawl
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.
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1w
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Backend Engineer
Los Angeles or Beverly Hills or New York City
$145k-$180k/yr HybridFull Time
Genius
Genius: US digital music-media platform where artists, contributors, and fans annotate lyrics and explore music knowledge.
4+ YOEAt least 4 years of backend or data engineering experience; proficiency in Ruby on Rails, databases, ELT pipelines, Apache Airflow, APIs, and scalable systems. Computer Science degree preferred, not required.
Ruby on Rails, PostgreSQL, ClickHouse, BigQuery, Apache Airflow
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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: The Sandberg Goldberg Bernthal Family Foundation works to build a more equal and resilient world.
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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Backend Engineer
San Mateo, California, United States
OnsiteFull Time
Luminary
Luminary: Physics AI platform helping engineering teams build, verify, and ship physical products.
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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Backend Engineer
California or United States
HybridFull Time
Arena Intelligence
Arena Intelligence: AI model evaluation platform serving enterprises, AI labs, and independent researchers in real-world workflows.
5+ YOE5+ years backend experience building product-facing APIs, services, and data systems; strong Go proficiency; Postgres/Redis/data-scaling skills; product and ambiguity comfort.
Go, Postgres, Redis, Stripe, Metronome, Orb, OpenAI, Anthropic, Google, vLLM, LiteLLM, LangChain
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2mo
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Backend Engineer
Los Angeles, California, United States
$150k-$165k/yr HybridFull Time
SKIMS
SKIMS: Solutions-oriented brand creating the next generation of underwear, loungewear and shapewear.
3+ YOE3+ years building backend applications with Python and Django; experience with AWS services (SNS, SQS, API Gateway, Step Functions, S3); strong communication, stakeholder collaboration, and production deployment experience.
Python, Django, AWS, SNS, SQS, API Gateway, Step Functions, S3, Claude Code, AWS Glue
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Backend Engineer
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/yr HybridFull Time
Quindar
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.
Python, AWS, GraphQL, Docker, Terraform, OpenAI, Anthropic, AskSage, Kubernetes, AWS Lambda, Amazon ECS, Amazon EKS, Amazon CloudWatch, Amazon S3, Amazon EFS, Amazon EBS, Amazon EC2, Amazon RDS, Git, GitHub, GitLab, CI/CD
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1w
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Backend Engineer
Bangalore or India or San Francisco
RemoteFull Time
Mem0
Mem0: N AI infrastructure providing a memory layer for LLM applications and AI agents.
5+ YOE5+ years building production backend systems and REST APIs; strong Python, async programming, web frameworks, SQL, Postgres/MySQL, graph databases, AWS, Docker, Kubernetes, debugging, and collaboration skills.
REST APIs, Postgres, Neo4j, Redis, Python, FastAPI, Django, Django REST framework (DRF), Flask, Docker, Kubernetes, Amazon EKS, AWS, Amazon EC2, Amazon RDS, Amazon Aurora, Amazon S3, AWS IAM, Amazon CloudWatch, Prometheus, OpenTelemetry, MySQL, GraphQL, gRPC, Amazon SNS, Amazon SQS, Kafka, Celery, RQ
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2mo
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Backend Engineer
San Francisco, California, United States
$135k-$250k/yr HybridFull Time
Fable Security
Fable Security: Private cybersecurity software helping enterprises assess and change employee security behavior with AI.
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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Staff Backend Engineer
New York City or San Francisco
$250k-$300k/yr OnsiteFull Time
Town
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.
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Senior Backend Engineer
San Francisco, California, United States
$230k-$280k/yr OnsiteFull Time
Mochi Health
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
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Backend Software Engineer
United States or Goleta
$123k-$170k/yr HybridFull Time
SHP
SHPNasdaq: ROP: Public technology developing vertical software and technology-enabled products for specialized niche markets worldwide.
5+ YOE5+ years backend experience with C#/.NET and SQL; bachelor\u0002s degree in CS or related field; strong skills in concurrent processing, API and data pipeline design, and clear technical communication.
C#, .NET, SQL Server, SQL
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Backend Developer
Istanbul or San Francisco
HybridFull Time
PlusMinusOne
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.
Node.js, TypeScript, NestJS, PostgreSQL, Redis, Docker, Kubernetes, Terraform, AWS, EKS, RDS, S3, IAM, Secrets Manager, Prometheus, Grafana, Kafka, Debezium, ClickHouse, BigQuery, ArgoCD, Karpenter, KEDA, LLM APIs, RAG, Python
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2mo
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Staff Backend Engineer - Device Security
San Mateo, California, United States
$200k-$300k/yr OnsiteFull Time
Verkada
Verkada: Physical security platform for enterprise buildings and facilities.
8+ YOEBS/MS in CS/Engineering; 8+ years building Go/Python microservices on AWS with on-call experience; strong backend systems and architecture knowledge; familiarity with temporal, k8s, Docker, Redis, DynamoDB, Postgres, IAM, S3; IoT and security experience preferred.
Go, Python, AWS, temporal, k8s, Docker, Redis, DynamoDB, Postgres, IAM, S3
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