1,704 backend development engineer jobs at 693 companies in California

3mo
Save
Mark Applied
Hide
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
1mo
Save
Mark Applied
Hide
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
3d
Save
Mark Applied
Hide
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: Cloud-native software for automated satellite mission operations.
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
1mo
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
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
3mo
Save
Mark Applied
Hide
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
3mo
Save
Mark Applied
Hide
Backend Engineer
San Mateo, California, United States
OnsiteFull Time
Luminary Cloud
Luminary Cloud: Cloud-native physics simulation platform for accelerated product engineering.
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
3mo
Save
Mark Applied
Hide
Senior Backend Engineer
San Francisco, California, United States
$175k-$275k/yr OnsiteFull Time
Hedra
Hedra: Builds artificial intelligence models for character-driven video generation.
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
2w
Save
Mark Applied
Hide
Java Backend Developer
Sunnyvale, California, United States
$90k-$102k/yr HybridFull Time
Cognizant
CognizantNasdaq: CTSH: Provides global information technology and business process outsourcing services.
8+ YOE8+ years Java development experience with Springboot and microservices, strong backend and commerce domain skills, mentoring and CI/CD experience, database and API proficiency.
Java, Springboot, RESTful APIs
1mo
Save
Mark Applied
Hide
Backend Engineer
California or United States
HybridFull Time
Arena
Arena: Benchmarks AI models using crowdsourced human preference evaluations.
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
1mo
Save
Mark Applied
Hide
Backend Engineer
Los Angeles, California, United States
$150k-$165k/yr HybridFull Time
SKIMS
SKIMS: Designs and sells intimate apparel and loungewear.
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
1w
Save
Mark Applied
Hide
Senior Backend Engineer
Oakland, California, United States
$150k-$200k/yr OnsiteFull Time
Arxlight
Arxlight: Developing next-generation autonomous drones for security and defense applications.
Requires Linux expertise, backend or systems development in Python, C++, Go, TypeScript, or similar languages, networking, Docker, Systemd, Git, and AI coding tools.
Linux, Python, C++, Go, TypeScript, Docker, CI/CD, Systemd, TCP/IP, UDP, Git, MAVLink, Kotlin, Java
4w
Save
Mark Applied
Hide
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.
3mo
Save
Mark Applied
Hide
Senior Backend Developer
San Francisco, California, United States
$160k-$210k/yr RemoteFull Time
Ellipsis Health
Ellipsis Health: AI-powered voice agent for healthcare care management.
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
3w
Save
Mark Applied
Hide
GoLang Backend Developer
Mason or Woodland Hills
OnsiteContract
Delan Associates
Delan Associates: Provides engineering and professional services to government agencies.
12+ YOEStrong Go (Golang) backend development with microservices, RESTful APIs, Docker/Kubernetes, SQL/NoSQL, cloud platforms, CI/CD, unit testing, distributed systems, messaging, IaC (preferred), and security best practices.
Go (Golang), Docker, Kubernetes, PostgreSQL, MySQL, MongoDB, DynamoDB, AWS, Azure, GCP, Git, CI/CD, Terraform, Helm, Kafka, RabbitMQ
1mo
Save
Mark Applied
Hide
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
2mo
Save
Mark Applied
Hide
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
Aircall
Aircall: Cloud-based business phone system and customer communication platform.
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
3w
Save
Mark Applied
Hide
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.
1mo
Save
Mark Applied
Hide
Lead Backend Engineer
Redwood City, California, United States
HybridFull Time
Attain
Attain: Provides real-time purchase data and measurement solutions for marketers.
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.
Rust, AWS, GCP, Azure, gRPC, protobuf, GraphQL, React Native, iOS, Android
3w
Save
Mark Applied
Hide
Senior Backend Engineer (Milan)
Milan or California or New York or United States or Canada or Europe
OnsiteFull Time
Eight Sleep
Eight Sleep: Develops smart mattresses and temperature-regulated sleep technology.
8+ YOE8+ years software engineering experience,5+ years backend/SRE experience,advanced backend and distributed systems skills,proficiency in at least two listed languages,experience with cloud services.
Java, Scala, Kotlin, C#, F#, .NET Core, Python, NodeJS, TypeScript