1,007 api developer jobs at 489 companies in Sebastopol, CA
1mo
Save
Mark Applied
Hide
Software Engineer, Developer API
New York City or San Francisco or United States or Canada or United Kingdom
$168k-$330k/yr HybridFull Time
5+ YOE5+ years backend engineering, experience building APIs/platforms, hands-on with Python, Temporal, and Postgres, familiarity with AI coding agents, strong ownership and developer-experience focus.
Python, Temporal, Postgres
1w
Save
Mark Applied
Hide
Software Engineer, API Multimodal
San Francisco, California, United States
$293k-$385k/yr OnsiteFull Time
7+ YOE7+ years backend/infrastructure experience building and operating production APIs and distributed systems; proficiency with Python, Go, Rust, or TypeScript; strong systems fundamentals and product judgment.
Python, Go, Rust, TypeScript
1mo
Save
Mark Applied
Hide
Staff Software Engineer, API Platform
San Francisco or Seattle
OnsiteFull Time
12+ YOE5+ Mgmt12+ years technical experience,5+ years strategic technical leadership,experience with API design and infrastructure,proficient in Java/Ruby/Python/Go,strong communication and problem-solving skills.
Java, Ruby, Python, Go, Kafka, Kubernetes
1mo
Save
Mark Applied
Hide
Member of Technical Staff (Software Engineer, API Platform)
San Francisco or New York City
$220k-$405k/yr OnsiteFull Time
5+ YOE5+ years backend engineering with Python, Go, or Rust; strong high-traffic API design, AWS and Kubernetes experience, CI/CD and DevOps fluency; experience with AI APIs a plus.
Python, Go, Rust, AWS, Kubernetes, CI/CD
1mo
Save
Mark Applied
Hide
Senior Software Engineer - API Platform & Client Tooling
Bellevue or Livingston or New York City or San Francisco or Sunnyvale
$153k-$204k/yr OnsiteFull Time
Production Go experience, API design and versioning, client tooling/SDK/CLI or provider work, code-generation or compiler/tooling experience preferred, cross-team collaboration and mentorship.
Go, gRPC, protocol buffers, Buf, ConnectRPC, Terraform Plugin Framework, Cobra, CWIC
3w
Save
Mark Applied
Hide
Staff Software Engineer, Foundation Model API
San Francisco or Mountain View
$190k-$265k/yr OnsiteFull Time
8+ YOE8+ years backend/infrastructure experience, distributed systems, scalable APIs, cloud-native infra, real-time serving/ML infra/GPU orchestration, strong Scala/Go/Python skills, product ownership and customer engagement.
OpenAI, Anthropic, Gemini, Qwen, GPT-OSS, Llama, SageMaker, Vertex AI, Azure ML, FMAPI, Apache Spark™, Delta Lake, MLflow, Scala, Go, Python
1w
Save
Mark Applied
Hide
Developer Relations Engineer
San Francisco, California, United States
$190k-$290k/yr OnsiteFull Time
5+ YOE5+ years in software development or developer relations, strong API and developer tools knowledge, excellent communication, English fluency, ability to travel, and experience producing technical content for developers.
2mo
Save
Mark Applied
Hide
Software Engineer, AI
San Francisco, California, United States
$170k/yr HybridFull Time
Experience building developer-facing tools and APIs; TypeScript preferred; strong API/product/infrastructure focus; able to work in SF or remotely; startup experience a plus.
TypeScript, APIs, AI frameworks, DevTools
2mo
Save
Mark Applied
Hide
Developer Partnerships
San Francisco or Palo Alto
OnsiteFull Time
Build and manage developer partnerships, open source BD, and platform integrations; navigate GitHub PRs and API docs; conduct 30+ concurrent partner conversations; prioritize ruthlessly based on distribution potential.
GitHub, API Documentation, Open Source Platforms
1mo
Save
Mark Applied
Hide
Developer Support Engineer
San Francisco, California, United States
$157k-$205k/yr HybridFull Time
Braintrust: Platform for evaluating and monitoring AI model performance.
1+ YOE1+ year supporting developer-facing products, ability to read/debug Python or TypeScript, API/SDK troubleshooting, on-call participation, strong communication and problem-solving skills.
Python, TypeScript, Slack, OpenAI, Anthropic, Terraform, Kubernetes
2mo
Save
Mark Applied
Hide
Salesforce Developer
Los Angeles or San Francisco
$105k-$115k/yr HybridFull Time
3+ YOE3+ years Salesforce development: Apex, LWC, Experience Cloud, API integrations (REST/SOAP), FormAssembly, CI/CD, Git; Platform Developer certification preferred.
Apex, SOQL, SOSL, Visualforce, Lightning Web Components (LWC), Aura Components, REST, SOAP, OAuth 2.0, JWT, Named Credentials, Platform Events, FormAssembly, JavaScript, HTML, CSS, Python, Java, C#, Salesforce DX (SFDX), CLI, change sets, GitHub Actions, Copado, Gearset, Jenkins, ANT, Git, GitHub, Microsoft Word, Microsoft Excel, Microsoft Outlook, PMD, Apex PMD, ESLint, MuleSoft, Workato, Boomi, Zapier, Experience Cloud, Salesforce Connect, Omni-Channel flow
3w
Save
Mark Applied
Hide
Backend Developer
San Francisco, California, United States
RemoteFull Time
3+ YOE3+ years backend development, proficiency in Python/Java/Node.js/Go/C#, API design (REST/GraphQL/event-driven), SQL/NoSQL knowledge, API security, Git, automated testing and deployment workflows.
Python, Java, Node.js, Go, C#, REST, GraphQL, SQL, NoSQL, Git, AWS, Azure, Google Cloud, Kubernetes
1w
Save
Mark Applied
Hide
Sr. Engineer, Software Development
New York City or Birmingham or Miami or Tampa or Blue Ash or Cincinnati or Los Angeles or San Francisco
$121k-$173k/yr HybridFull Time
5+ YOE5+ years software engineering experience with secure API/microservice development, cloud (Azure) and observability; 1+ year technical leadership; fintech or BaaS experience preferred.
C#, .NET, SQL, APIM, Azure SQL, Cosmos DB, Key Vault, Service Bus, Event Hubs, Datadog, Grafana, Git, OAuth2, Open API
3mo
Save
Mark Applied
Hide
US - Full Stack Engineer
San Francisco, California, United States
$120k-$160k/yr HybridFull Time
3+ YOEBachelor’s degree or equivalent experience; 3-6 years experience; frontend and backend development; cloud and CI/CD; API development; AI-assisted tools familiarity.
React, Angular, Vue.js, HTML, CSS, JavaScript, Java, Python, C#, Node.js, Spring, Vert.x, FastAPI, API, PostgreSQL, MySQL, MongoDB, Neo4J, AWS, Azure, GCP, CI/CD, GitHub Actions, Azure DevOps
1mo
Save
Mark Applied
Hide
Staff Search Engineer (US)
San Francisco or Los Angeles or New York City or Austin or London or Manila or Warsaw or United States
$150k-$188k/yr HybridFull Time
7+ YOE7+ years software development experience, 3+ years Elasticsearch experience, strong CS fundamentals, Go/Golang development, AWS familiarity, REST API and high-load systems experience, Git and CI/CD proficiency, English communication.
Go, Golang, TypeScript, Elasticsearch, AWS CloudWatch, AWS SQS, AWS Lambda, Java, MSSQL, AWS Redshift, Python, PHP, JavaScript, Node.js, Laravel, Symfony, Kubernetes, CI/CD, Git, REST API
1mo
Save
Mark Applied
Hide
Developer Platform Engineer
San Francisco or New York City
HybridFull Time
7+ YOE7+ years software engineering experience; ownership of production systems; strong CI/CD (GitHub Actions, Buildkite) and monorepo experience; production-grade Python, Go, or TypeScript; GitHub API/webhooks experience; systems thinking and developer-experience focus.
GitHub Actions, Buildkite, Python, Go, TypeScript, GitHub API, GitHub Webhooks, Bazel, Hardware-in-the-loop (HIL)
2mo
Save
Mark Applied
Hide
Principal Software Engineer, Platform Security
San Francisco, California, United States
$197k-$314k/yr HybridFull Time
10+ YOE10+ years in software development; strong in databases, APIs, data pipelines; experience with large projects and security infrastructure.
API development, REST APIs, SDLC, AWS, GCP, Azure, Python, Ruby, Unix/Linux, Security infrastructure
3d
Save
Mark Applied
Hide
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
Save
Mark Applied
Hide
Integrations Developer
San Francisco, California, United States
HybridFull Time
3+ YOE3+ years software development experience, Bachelor's degree in CS/MIS/Engineering, proficiency with JavaScript/TypeScript, APIs and data transformation, strong debugging and communication skills.
TypeScript, Node.js, React, React Native, MySQL, JavaScript, Open REST APIs, Workato, Tray.io, Zapier, SAP, Oracle, JD Edwards, NetSuite, Microsoft Dynamics AX, Sage Intacct, IoT Sensors, SCADA, PLC, Historians
2mo
Save
Mark Applied
Hide
Software Engineer - Capture, Vision Products Software
San Francisco, California, United States
OnsiteFull Time
3+ YOE3+ years software development; proficient in C/C++, Objective-C, Swift; experience with Apple tools/APIs; BS in Computer Science.
C/C++, Objective-C, Swift, Apple development tools, APIs, AR, ML, CV
Explore Jobs