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3,448 api engineer jobs at 1,324 companies in California

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Windchill API Developer
Mountain View, California, United States
$90k-$110k/yr RemoteFull Time
Bright Vision Technologies
Bright Vision Technologies: AI-powered enterprise automation and software development firm.
5+ YOEBachelor’s degree and 5+ years of PLM integration experience focused on Windchill. Requires Info*Engine, Windchill Java API, ERP, middleware, SQL, REST, SOAP, troubleshooting, and communication skills.
Info*Engine, Windchill Java API, SAP, Oracle, MuleSoft, Boomi, OIC, SAP CPI, SQL, REST, SOAP, ThingWorx, Kafka
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3d
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Control Plane / Portal / API Engineer
San Jose or Austin
$145k-$260k/yr RemoteFull Time
Bitdeer
BitdeerThe Nasdaq Stock Market LLC: BTDR: Public Singaporean Bitcoin mining and AI cloud infrastructure serving enterprises with computing, datacenters, and mining solutions.
3+ YOERequires 3+ years building backend services, control planes, or web platforms; strong Go, Java, or Python backend engineering, API design, and distributed systems experience. Senior roles require 6+ years.
Go, Java, Python, React, Vue, OAuth, OIDC
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3mo
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API Inspector
Benicia, California, United States
$90k-$150k/yr OnsiteFull Time
Team Industrial Services
Team Industrial ServicesNYSE: TISI: Provider of integrated asset integrity, inspection, and maintenance services.
Experienced API Inspector with active API 510/570/653 certifications; field-based; strong report writing; travel required.
NDT, IDMS, digital inspection tools
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1w
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Software Engineer, API Safety
San Francisco, California, United States
$293k-$385k/yr HybridFull Time
OpenAI
OpenAI: AI research and deployment focused on beneficial AGI.
7+ YOERequires 7+ years of professional backend, infrastructure, platform, or product engineering experience; production distributed systems and API expertise; strong systems fundamentals; and proficiency in Python, Go, Rust, or TypeScript.
API, Python, Go, Rust, TypeScript
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2mo
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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: Finance automation platform for business.
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
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1mo
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Staff Software Engineer, Foundation Model API
San Francisco or Mountain View
$190k-$265k/yr OnsiteFull Time
Databricks
Databricks: Data and AI software providing a unified platform.
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
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2w
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Staff Software Engineer - Authentication & API
San Francisco or Austin
HybridFull Time
Orum
Orum: AI-powered calling software that helps sales teams connect with prospects, coach representatives, and generate pipeline.
8+ YOE8+ years of software engineering experience with Staff-level scope; expertise in TypeScript, Node.js, APIs, SQL, PostgreSQL, authentication, authorization, and distributed systems.
Node.js, TypeScript, React, PostgreSQL, Google Cloud Platform, REST, WebSocket, gRPC, OAuth2, JWT, RBAC, SQL, FreeSWITCH, Salesforce, Outreach, AWS, Azure
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3w
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Staff Software Engineer, Fintech API
Mountain View, California, United States
$203k-$274k/yr OnsiteFull Time
Intuit
IntuitNASDAQ: INTU: A global financial technology platform powering prosperity.
10+ YOE10+ years software engineering experience with deep API design, distributed systems, codegen/CI-CD, AI agent tooling, cross-team technical leadership; Bachelor\u0002s in CS or equivalent experience.
OpenAPI, REST, Model Context Protocol (MCP), Claude, ChatGPT Actions, LLM, CI/CD
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1mo
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Software Engineer (API & Microservices development)
San Jose, California, United States
$180k-$210k/yr OnsiteFull Time
NetApp
NetAppNASDAQ: NTAP: Global cloud-led, data-centric 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
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1mo
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Operations Engineer - Peptide API
Menlo Park, California, United States
$110k-$125k/yr OnsiteFull Time
Hims & Hers
Hims & HersNYSE: HIMS: Publicly traded U.S. telehealth platform connecting consumers with licensed providers and personalized prescription and wellness care.
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.
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4d
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Software Engineer, API(Python)
Bengaluru or San Mateo
HybridFull Time
Nexla
Nexla: Privately held enterprise data-integration platform that helps organizations deliver governed data products for AI agents and applications.
7+ YOE7+ years of software engineering with Python; FastAPI or Starlette and SQLAlchemy; strong SQL and relational database skills; testing and production operations experience; practical AI tooling experience.
Python, FastAPI, SQLAlchemy, Starlette, MySQL, Postgres, Celery, Dramatiq, Kafka, RabbitMQ, Redis Streams, AWS, GCP
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1mo
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Staff Software Engineer, API Platform
San Francisco or Seattle
OnsiteFull Time
Stripe
Stripe: Financial infrastructure platform for online businesses and enterprises.
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
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1mo
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Software Engineer (API & Microservices development)
San Jose, California, United States
$180k-$210k/yr OnsiteFull Time
NetApp
NetAppNASDAQ: NTAP: Global cloud-led, data-centric software.
4+ YOE4+ years building production backend services and REST APIs; hands-on Go, C++, or C#; Docker and Kubernetes experience; PostgreSQL or MongoDB experience; strong testing, CI/CD, and communication skills.
Go, C++, C#, Docker, Kubernetes, PostgreSQL, MongoDB, Python, React, TypeScript, RabbitMQ, Kafka, Azure, AWS, GCP
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2mo
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Member of Technical Staff (Software Engineer, API Platform)
San Francisco or New York City
$220k-$405k/yr OnsiteFull Time
Perplexity AI
Perplexity AI: Private American software offering an AI-powered conversational search engine with real-time web answers and 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
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1mo
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Software Engineer, Metal Runtime (API & Abstractions)
Austin or Santa Clara or Toronto
$100k-$500k/yr HybridFull Time
Tenstorrent
Tenstorrent: Builds computers for artificial intelligence.
Strong C/C++ low-level systems programming, concurrency and performance experience; API and abstraction design; collaboration with runtime, kernel, compiler teams.
C, C++
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3w
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Sr. II Backend Engineer, Mobile API
San Mateo, California, United States
$176k-$220k/yr HybridFull Time
Slickdeals
Slickdeals: Privately owned online deal-sharing community helping shoppers find, evaluate, and save on products and services.
Extensive backend development experience with PHP, RESTful or GraphQL APIs, relational databases, distributed systems, cloud platforms, containers, CI/CD, production monitoring, and cross-team technical leadership.
PHP, Vue, TypeScript, MySQL, PostgreSQL, RabbitMQ, Valkey, Redis, Kafka, Firebase Cloud Messaging, APNs, Docker, Kubernetes, GitHub Actions, JWT, RESTful, GraphQL, iOS, Android, CI/CD
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1mo
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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: Specialized cloud provider for large-scale AI and machine learning.
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
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1w
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Deployment Engineer
Bengaluru or New York City or Santa Barbara
RemoteFull Time
Avoca
Avoca: AI conversational-engagement platform helping home-service businesses answer leads, book jobs, and grow revenue.
2+ YOERequires 2+ years of software engineering experience, Python proficiency, systems and API expertise, cloud familiarity, production debugging skills, and strong technical communication. AI experience preferred.
Python, TypeScript, JavaScript, APIs, SQL, NoSQL, AWS, GCP, Azure, LLMs, vector databases
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2mo
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#Senior Engineer
San Diego, California, United States
$111k-$167k/yr OnsiteFull Time
Qualcomm Technologies, Inc.
Qualcomm Technologies, Inc.: Developing semiconductor, wireless, connectivity, automotive, AI, and computing technologies for device and enterprise customers.
2+ YOEBachelor's in engineering/CS/IS + 2+ years (or Master's +1 / PhD) and 2+ years programming experience in C, C++, Java, or Python; experience with Linux kernel, YOCTO, database management, APIs, Git/Perforce, and strong communication and problem-solving skills.
C, C++, Java, Python, Git, Perforce, Linux kernel, YOCTO, Database Management Software, API, Source Code Management System
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1mo
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Solution Engineer
New York City or Boston or Palo Alto
$130k-$165k/yr HybridFull Time
Quantifind
Quantifind: Private SaaS helping financial institutions and government agencies detect financial crime with AI.
3+ YOE3+ years customer-facing technical/support/consulting experience; experience implementing SaaS in enterprise environments; familiarity with APIs, SQL, Jira, GitHub, CSV/JSON; BS/MS in CS/math/engineering or equivalent.
Graphyte, APIs, SQL, Atlassian Jira, GitHub, CSV, JSON
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