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3 api test engineer jobs at 3 companies in Modesto, CA

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
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2mo
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Senior Software Engineer
Pleasanton, California, United States
$156k-$196k/yr HybridFull Time
BlackLine
BlackLineNASDAQ: BL: Provides cloud software to automate financial close and accounting.
7+ YOE7+ years in Web/Mobile/REST API testing and test automation; Master's in Mathematics, CS or related; experience with Appium, CI/CD, cloud SaaS, and SQL.
Appium, Selenium, CI/CD, Cloud platforms, SQL, C#, NUnit, XUnit, MSTest
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Manager II, Engineering
Pleasanton, California, United States
$170k-$230k/yr HybridFull Time
Blackhawk Network
Blackhawk Network: Provider of global branded payment and gift card solutions.
7+ YOE2+ Mgmt7+ years software development experience (or 9+ equivalent), 2+ years managing engineers, expertise in modern JavaScript/TypeScript and React, front-end performance and accessibility, front-end testing, API patterns, cloud experience (AWS preferred), and strong cross-functional communication.
JavaScript, TypeScript, React, Jest, Cypress, Playwright, Next.js, REST, GraphQL, AWS, CI/CD
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