1,699 api developer jobs at 727 companies in Los Altos, CA

1mo
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Software Engineer, Developer API
New York City or San Francisco or United States or Canada or United Kingdom
$168k-$330k/yr HybridFull Time
Ramp
Ramp: Financial operations platform for corporate cards and spend management.
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
1mo
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Platform Engineer- GraphQL/API
Dublin or San Jose or New York City or Shanghai
HybridFull Time
eBay
eBayNASDAQ: EBAY: Global online marketplace for buying and selling diverse products.
3+ YOE3+ years software engineering experience; strong Java and Spring Boot skills; GraphQL and API design experience; CI/CD (Maven/Jenkins); Kubernetes and cloud-native deployments; focus on reliability, scalability, and developer experience.
Java, Spring Boot, GraphQL, REST, CI/CD, Maven, Jenkins, Kubernetes
6d
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API Product Manager
South San Francisco, California, United States
$135k-$145k/yr HybridFull Time
VantageScore
VantageScore: A credit modeling focused on predictive, inclusive consumer credit scoring and expanding access to financial products.
1+ YOE1–3 years product management with direct API product experience; experience improving developer onboarding, API docs, sandbox/testing, and cross-functional leadership; Bachelor’s degree required.
3d
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Software Engineer, API Multimodal
San Francisco, California, United States
$293k-$385k/yr OnsiteFull Time
OpenAI
OpenAI: Develops artificial intelligence models and generative AI software services.
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
1w
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Lead Software Engineer (API & Microservices development)
San Jose, California, United States
$215k-$245k/yr OnsiteFull Time
NetApp
NetAppNasdaq: NTAP: Provides intelligent data infrastructure for hybrid cloud environments.
8+ YOE8+ years building backend services and microservices; hands-on experience with Go/C++/C#; REST API development; containerized architectures, Kubernetes, and DB integration; strong testing, CI/CD, and communication skills.
Go, C++, C#, Docker, Kubernetes, PostgreSQL, MongoDB, Python, React, TypeScript, rabbitmq, Kafka, CI/CD
1w
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Software Engineer (API & Microservices development)
San Jose, California, United States
$180k-$210k/yr OnsiteFull Time
NetApp
NetAppNASDAQ: NTAP: Sells enterprise data storage and cloud management software.
4+ YOE4+ years software engineering experience building backend services, production REST APIs, containerized microservices, Kubernetes, and databases (PostgreSQL or MongoDB); proficiency in Go/C++/C#; strong testing and CI/CD practices.
Go, C++, C#, Docker, Kubernetes, PostgreSQL, MongoDB, Python, React, TypeScript, rabbitmq, Kafka
2mo
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X Developer Platform – Forward Deployed Engineer, X API
New York or Palo Alto
$180k-$440k/yr HybridFull Time
xAI
xAI: Develops advanced artificial intelligence systems to understand the universe.
5+ YOE5+ years in a customer-facing technical role; strong DevEx focus; expert in API-driven development; proficient in multiple languages; excellent communication and project management.
Python, JavaScript, TypeScript, Java, Rust, Scala
3w
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Staff Software Engineer, API Platform
San Francisco or Seattle
OnsiteFull Time
Stripe
Stripe: Provides online payment processing and financial infrastructure for businesses.
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
2mo
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API LLM Integration / ReactJS Engineer - Hybrid (371798)
Santa Clara, California, United States
$88k-$204k/yr HybridFull Time
NTT DATA
NTT DATA: Global provider of IT and business consulting services.
3+ YOE3+ years AI experience, 5+ years React/TypeScript development, experience architecting AI solutions, EM/API integrations, support for professional services sales cycle; BS in Computer Science or equivalent.
React JS, ReactJS, TypeScript, Git, LLMs
1w
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Software Engineer, Metal Runtime (API & Abstractions)
Austin or Santa Clara or Toronto
$100k-$500k/yr HybridFull Time
Tenstorrent
Tenstorrent: Designs and manufactures AI processors and RISC-V CPU solutions.
Strong C/C++ low-level systems programming, concurrency and performance experience; API and abstraction design; collaboration with runtime, kernel, compiler teams.
C, C++
2mo
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Quality Assurance Engineer - Cloud, UI & API
Cupertino, California, United States
$106k-$214k/yr OnsiteFull Time
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Provides global edge-to-cloud technology solutions and IT infrastructure services.
5+ YOE5+ years QA experience; Python; UI/API testing; test automation; customer interaction; US citizenship; degree in CS or related field.
Python, Selenium, pytest, Django RESTful API
2mo
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Quality Assurance Engineer - Cloud, UI & API
Cupertino, California, United States
$106k-$214k/yr HybridFull Time
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Providing global edge-to-cloud infrastructure and IT solutions for businesses.
5+ YOE5+ years in QA/software testing or related roles; strong Python, UI/API testing; test automation; customer-facing support experience.
Python, Selenium, pytest, Django REST framework
1mo
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Member of Technical Staff (Software Engineer, API Platform)
San Francisco or New York City
$220k-$405k/yr OnsiteFull Time
Perplexity
Perplexity: AI-powered search engine providing conversational answers with citations.
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
3w
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Senior Software Engineer - API Platform & Client Tooling
Bellevue or Livingston or New York City or San Francisco or Sunnyvale
$153k-$204k/yr OnsiteFull Time
CoreWeave
CoreWeaveNASDAQ: CRWV: Cloud platform providing GPU-accelerated infrastructure for AI workloads.
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
1mo
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Operations Engineer - Peptide API
Menlo Park, California, United States
$110k-$125k/yr OnsiteFull Time
Hims & Hers Health
Hims & Hers HealthNYSE: HIMS: Provides telehealth consultations and personalized health products online.
2+ YOEBachelor's in chemical/chemistry/biochemistry or related, 2+ years pharma/biotech/chemical manufacturing experience, peptide/API manufacturing or complex chemical process experience preferred, cGMP knowledge, hands-on troubleshooting, documentation and SOP experience.
4d
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Staff Software Engineer, API Proxy
Sunnyvale, California, United States
$207k-$300k/yr OnsiteFull Time
Google
GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.
8+ YOEBachelor's or equivalent experience, 8+ years C++ programming, 5+ years testing/launching software, 5+ years building large-scale distributed systems, EMR not mentioned (ignore), leadership and architecture experience preferred.
C++, gRPC, HTTP, Stubby, Envoy Proxy, Enterprise Security Framework (ESF), One Model Context Protocol (OneMCP), ExtProc
1mo
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Sr Software Development Engineer, Product Engineering – API Platform & Agentic AI
Pleasanton, California, United States
$176k-$264k/yr HybridFull Time
Workday
WorkdayNASDAQ: WDAY: Provides cloud-based software for financial and human capital management.
8+ YOE8+ years software engineering experience; 5+ years with TypeScript or Python; Bachelor's in CS/Engineering or equivalent; strong algorithms, API design (REST/GraphQL/SOAP/OpenAPI), testing, observability, and mentoring skills.
TypeScript, Python, OpenAPI, Swagger, REST, SOAP, GraphQL, JUnit, ScalaTest, Postman, Mockito, JaCoCo, Scoverage, Git, Cursor, Claude Code, GitHub Copilot, MCP
2mo
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Quality Assurance Engineer - Cloud, UI & API
Cupertino, California, United States
$106k-$214k/yr HybridFull Time
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Provides edge-to-cloud IT infrastructure and platform services.
5+ YOE5+ years QA/software testing, customer support, or related engineering; Python proficiency; UI/API troubleshooting; Selenium/pytest experience.
Python, Selenium, pytest, Django RESTful API
2w
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Staff Software Engineer, Foundation Model API
San Francisco or Mountain View
$190k-$265k/yr OnsiteFull Time
Databricks
Databricks: A unified platform for data analytics and artificial intelligence.
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
2mo
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Software Engineer, APIs & Context Platform
Mountain View, California, United States
$210k-$260k/yr HybridFull Time
Glean
Glean: AI platform for enterprise search and automated workplace agents
5+ YOE5+ years software engineering; experience shipping public APIs or developer platforms; REST API design; OpenAPI/JSON Schema; backend language experience.
Golang, TypeScript, Python, Java, OpenAPI, JSON Schema, OAuth2, OIDC, REST API, API gateway