71 api test engineer jobs at 58 companies in Santa Rosa, CA

1w
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Test Engineer III
San Francisco, California, United States
$135k-$165k/yr OnsiteFull Time
HeartFlow
HeartFlowNASDAQ: HTFL: Provides AI-driven non-invasive cardiac diagnostic software and analysis.
3+ YOE3+ years test engineering experience with hands-on automation; proficiency with UI and API automation; familiarity with regulated SaMD testing and QMS documentation.
Selenium, Playwright, REST Assured, Postman, Karate, Pact.io, Python, TypeScript, JavaScript, Java, C#, GitHub Actions, Jenkins, GitLab CI, AWS, k6, Locust, JMeter, Gatling
2mo
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Principal Software Development Engineer in Test
San Francisco or Milpitas
$160k-$170k/yr OnsiteFull Time
Saviynt
Saviynt: Provides AI-powered identity governance and cloud security platforms.
9+ YOE3+ Mgmt9+ years in Software QE with 3+ years leading QE teams; strong leadership, API testing, and CI/CD experience; Bachelor's in CS or related field.
Jenkins, Docker, Kubernetes, Git, Sonar, Automation frameworks
2mo
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Software Development Engineer in Test, Retail and Marcom Engineering
Sunnyvale or San Francisco Bay Area
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
3+ YOEBachelor's in CS or 3+ years experience; Node.js/TypeScript; Playwright/WebdriverIO; API testing (REST/GraphQL); Python scripting a plus.
Node.js, TypeScript, Python, Playwright, WebdriverIO, REST, GraphQL, GitHub Actions, Jenkins, Harness, REST-assured
2w
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Principal Software Engineer: Distributed Systems (Config, Test, & Deployment)
Austin or New York City or San Francisco or Washington
$200k-$288k/yr HybridFull Time
Cloudflare
CloudflareNYSE: NET: Provides security and performance services for internet properties.
10+ YOE10+ years software engineering experience, technical leadership across orgs, expertise in distributed systems, strong typed language mastery, API design, experience with LLMs, Kubernetes, RocksDB and large-scale systems.
Kubernetes, RocksDB, LLMs, Prodspec and Annealing
6d
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Technology, Software Development Engineer in Test (SDET), Vice President
Chicago or Miami or New York City or San Francisco
$110k-$140k/yr OnsiteFull Time
BTIG
BTIG: Provides global institutional trading and investment banking services.
3+ YOE3+ years SDET experience, strong Playwright and TypeScript skills, CI/CD integration, API testing, AI-assisted tooling and agent architecture familiarity.
Playwright, TypeScript, OpenCode, Claude Code, Codex, GitHub Actions, Jenkins, OpenAPI, REST
1mo
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Senior Security Engineer
San Francisco or New York
$130k-$250k/yr HybridFull Time
Chime
ChimeNasdaq: CHYM: Provides mobile banking and financial tools for everyday consumers.
2+ YOE2–6+ years in security or software engineering; strong coding skills (Python, Go, Ruby); cloud (AWS/GCP) and APIs; experience with automation and security testing; excellent communication and collaboration.
Python, Go, Ruby, AWS, GCP
4d
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Product Engineer
San Francisco, California, United States
$130k-$500k/yr OnsiteFull Time
Mercor
Mercor: Connecting expert human intelligence with frontier AI model development.
3+ YOE3+ years software engineering experience; strong backend fundamentals (API design, data modeling, distributed systems, relational databases); full-stack familiarity (React/TypeScript); experience with LLM-powered features and AI coding tools; strong testing, debugging, and product intuition.
React, TypeScript, Cursor, Claude Code, GitHub Copilot, Codex
3w
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QA/UAT Engineer
Toronto or Vancouver or San Francisco or Denver or New York City
$100k-$150k/yr RemoteFull Time
Nylas
Nylas: Provides APIs for email and calendar integration.
3+ YOE3+ years QA/SDET experience; strong test automation, API and browser testing, Go familiarity, CI/CD and cloud-native tooling, and experience with AI-assisted testing tools.
Go (Golang), gRPC, REST, Playwright, Cypress, Selenium, Claude Code, Codex, Cursor, Postman, grpcurl, k6, Docker, Kubernetes, GitHub Actions, kubectl, GitOps, TypeScript, Python
1mo
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Staff Machine Learning Engineer
San Francisco or Minneapolis
HybridFull Time
Shipt
Shipt: Provides same-day delivery services from local retailers via app.
5+ YOE5+ years of machine learning and backend software engineering; backend in Go/Java and Python; embeddings, similarity search, ranking models; ML pipelines; distributed systems; SQL/NoSQL; API serving; A/B testing.
Go, Java, Python, MLflow, Kubeflow, Airflow, REST, gRPC, Model servers, SQL, NoSQL
4d
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Senior AI Platform Engineer Contract
San Francisco, California, United States
OnsiteContract
Nextdata
Nextdata: Provides an operating system for building autonomous data products.
Hands-on experience building backend services, agentic AI apps, RAG/retrieval systems, SQL and vector search integration, API development, and production controls (access, audit, testing).
LangChain, LangGraph, Python, SQL, Databricks, Snowflake, BigQuery, Spark, DuckDB, Postgres, OAuth, OIDC, SAML, SSO, RBAC, ABAC, SCIM, MCP
1mo
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Software Engineer - New Revenue
San Francisco or Seattle
$140k-$235k/yr HybridFull Time
DocuSign
DocuSignNASDAQ: DOCU: Provides electronic signature and agreement management software solutions.
5+ YOE5+ years software product development; 3+ years building JavaScript/TypeScript web apps with React; backend services in TypeScript/JavaScript/C#; unit and functional testing; Agile/Scrum, CI/CD, Git; BS in CS; experience with Python/Java and third-party APIs.
JavaScript, TypeScript, React, Redux, Angular, C#, Python, Java, Git, CI/CD, Scrum
2mo
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Quality Engineer
San Francisco or Oakland
$105k-$130k/yr HybridFull Time
Workers' Compensation Insurance Rating Bureau of California
Workers' Compensation Insurance Rating Bureau of California: Collects and analyzes California workers' compensation insurance data.
5+ YOEBachelor's in CS/engineering required, 5+ years in software quality engineering, strong .NET/C# and Visual Studio experience, automated testing with Playwright/Cypress/Selenium, API testing, Azure DevOps, CI/CD, SQL, unit test frameworks, and strong communication skills.
Playwright, Cypress, Selenium, .NET, C#, Visual Studio, SoapUI, Postman, Fiddler, Azure DevOps, Azure, NUnit, XUnit, MSTest, PowerShell, Splunk, SQL
2w
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Staff Systems Engineer - Software Systems
Emeryville or Santa Clara
$170k-$247k/yr OnsiteFull Time
Atomic Machines
Atomic Machines: Develops AI-powered robotic platforms for autonomous micro-scale manufacturing.
7+ YOE7+ years building complex software systems; strong software architecture skills; extensive Python experience; familiarity with C++, Rust, or Go; distributed systems, gRPC, REST APIs, IPC, embedded/real-time, robotics integration, and automated testing/CI/CD.
Python, C++, Rust, Go, gRPC, REST APIs, IPC, CI/CD
1mo
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Software Engineer - SDET
San Francisco or New York City or London or Sydney
$170k-$240k/yr OnsiteFull Time
Sigma Computing
Sigma Computing: Cloud-native analytics platform featuring a spreadsheet-style interface.
5+ YOE5+ years building and maintaining testing software; strong CS fundamentals; testing and quality engineering expertise; experience with back-end testing, API/integration testing, CI/CD, and multi-cloud environments.
K6, Rust, Go, Python, SQL, CI/CD, GCP, AWS, Azure
3w
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Senior Quality Engineer
Budapest or Berlin or Paris or San Francisco or Singapore
HybridFull Time
greehill
greehill: Provides digital twin technology for urban forest management.
Strong software engineering background, experience building test automation frameworks, familiarity with Playwright/Cypress/Selenium, static code analysis, API and web testing, CI/CD integration, and mentoring developers.
Playwright, Cypress, Selenium, TypeScript, NodeJS, React, .NET, GitHub Actions, Azure DevOps, Docker, CI/CD
3w
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Senior Engineer - Security Products (Backend APIs)
San Francisco, California, United States
$181k-$217k/yr HybridFull Time
Fastly
FastlyNYSE: FSLY: Provides edge cloud platform for content delivery and cybersecurity.
5+ YOE5+ years engineering experience with production Go; 3+ years building public APIs; strong RESTful API design, testing, observability, and on-call experience; ability to author design docs and lead end-to-end projects.
Go, Terraform, CI/CD, OpenAPI, OAuth, JWT, SAML, RBAC, AI coding agents
3d
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Software Engineer
United States or San Francisco
$96k-$169k/yr HybridFull Time
Ethos
EthosNasdaq: LIFE: Provides an online platform for instant life insurance coverage.
2+ YOE2-5 years software engineering experience; full-stack JavaScript/TypeScript, Node or Python; frontend (HTML,CSS,React); API design, security, testing, and feature-flag/A-B experience.
Javascript, Typescript, Node, Python, Optimizely, HTML, CSS, React, Claude Code, Cursor, Copilot, Iterable, Twilio, Salesforce, Regal, Webpack
1mo
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Quality Engineer
San Francisco, California, United States
$73k-$130k/yr RemoteFull Time
UnitedHealth Group
UnitedHealth GroupNYSE: UNH: Provides health insurance and technology-enabled health care services.
3+ YOE3+ years in automation testing; REST API testing; Selenium/Cucumber; Java/Python/TypeScript/C#; Git; CI; Agile; Azure or AWS.
Selenium, Cucumber, Git, Playwright, Azure, AWS, Java, Python, TypeScript, C#
3mo
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Frontend Engineer
San Francisco, California, United States
HybridFull Time
Emergent Labs
Emergent Labs: Platform for building production-ready applications using autonomous AI agents.
4+ YOE4-8 years frontend engineering with React.js and TypeScript; large-scale distributed frontend systems; state management; JS/TS, Web APIs; build tools; UI frameworks; REST/GraphQL; testing/CI/CD.
React, TypeScript, Redux, Zustand, Recoil, React Query, Webpack, Vite, Turborepo, Jest, RTL, Cypress, Next.js
11h
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QA Automation Engineer
San Francisco, California, United States
HybridFull Time
BackOps AI
BackOps AI: AI-powered platform automating logistics and supply chain workflows
Proven experience building and maintaining test automation frameworks for UI, API, and end-to-end testing; API testing, CI/CD, cloud (AWS), Git, strong programming in Python or Java, and strong analytical skills.
Selenium, Playwright, Python, Java, Postman, REST Assured, Jenkins, GitHub Actions, GitLab CI, AWS, Git, TestRail, Zephyr, JMeter, Gatling