62 api test engineer jobs at 46 companies in Bloomington, CA
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Staff Software Test Engineer
San Diego or Irvine
$145k-$175k/yr OnsiteFull Time
10+ YOEBachelor's degree in computer science or related field; 10+ years of firmware testing and 15+ years in related fields; automation, mobile/cloud integration, BLE, REST APIs, Java, Agile, and regulated software experience.
Appium, XCUITest, UIAutomator, Page Object Model, RESTful APIs, Java, Bluetooth Low Energy, FSA, HSA, Microsoft 401(k)
2w
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Lead Software Engineer in Test
Los Angeles or Nashville or New York City or Portland or United States
$160k-$180k/yr RemoteFull Time
10+ YOE10+ years in test automation, architecting testing practices, strong coding ability, experience with Playwright/Cypress/Selenium, API/contract testing, performance testing, CI/CD and AI-assisted testing.
Playwright, Cypress, Selenium, FUGA, Zendesk, Trolley, ArgoCD, Kubernetes, .NET, Next.js, k6, JMeter, Gatling, Locust
3w
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Senior Software Engineer in Test
Irvine, California, United States
$157k-$185k/yr OnsiteFull Time
5+ YOE5+ years software engineering experience; strong TypeScript/JavaScript skills; deep Playwright experience; CI/CD pipeline management; testing for web APIs and complex simulation/hardware interactions.
Playwright, TypeScript, JavaScript, REST, GraphQL, GitHub Actions, GitLab CI, CircleCI, Docker, AWS, GCP
3d
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Software Engineer I Test
Brea or United States
$77k-$142k/yr RemoteFull Time
0+ YOEBachelor's degree or equivalent experience, completion of Mercury's Summer 2026 internship, and new graduate or 2+ years of industry experience. Requires programming, test automation, cloud, containerization, CI/CD, API, and performance testing skills.
Java, Python, JavaScript, AWS, Google Cloud, Azure, Selenium, TestNG, JUnit, Appium, IDE, Metrics, Docker, Kubernetes, Jenkins, GitHub, Postman, SoapUI, Curl, Insomnia, JMeter, LoadRunner
1mo
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Software Integration Test Engineer -SCADA
Irvine or Houston
$65k-$105k/yr HybridFull Time
2+ YOE2+ years testing software integrations or enterprise/industrial applications; REST API and OPC UA familiarity; basic power systems understanding; strong troubleshooting and communication; U.S. work authorization required.
Postman, Swagger, Insomnia, OPC UA, Wireshark, Fiddler, JSON, XML, SQL, Python, PowerShell, Jira, REST APIs, OAuth
2w
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Software Development Engineer in Test (SDET)
New Braunfels or Orange
$95k-$110k/yr HybridFull Time
3+ YOEBachelor's degree or equivalent experience; 3+ years in software testing or development with test automation; programming, .NET testing, automation frameworks, APIs, CI/CD, and analytical skills.
Java, C#, Python, JavaScript, .NET, Playwright, Selenium, Cypress, REST, GraphQL, Jenkins, GitHub Actions, Azure DevOps, Docker, AWS, Azure, Agile, Scrum, E-Verify, Microsoft Word, Microsoft Excel, Microsoft PowerPoint
3mo
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Software Development Engineer in Test
United States or Irvine
$103k-$134k/yr RemoteFull Time
4+ YOE4+ years in test automation for UI/API; strong Python and JavaScript; Selenium/Playwright; CI/CD; Docker/Kubernetes; AWS; SQL; focus on testability, robustness, and performance.
Python, JavaScript, pytest, Selenium, Playwright, Locust, Git, GitLab CI, Jenkins, Docker, Kubernetes, AWS, Unix, Linux, Mac OS, Bash, PowerShell, SQL, Ansible
2mo
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Software Development Engineer in Test II (SDET Contractor)
Los Angeles, California, United States
$52-$78/hr OnsiteContract
Hands-on automation experience building UI and API tests in Python (3.11) with pytest, experience with Appium or Selenium, API testing (requests/Postman), Jenkins, Git, and test management tools; strong test design and troubleshooting skills.
Python 3.11, pytest 7, Appium 2, Selenium 4, requests, Postman, Jenkins, Git, qTest, TestRail
1mo
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Engineer II - Gas Utilities
Los Angeles, California, United States
$40-$50/hr HybridFull Time
4+ YOEBachelor's in engineering, 4+ years ILI gas utility experience, Direct Assessment and pressure testing experience, proficiency with integrity assessments and technical documentation, AMPP/CP/API familiarity, EIT preferred.
Microsoft Office
2mo
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Engineer II - Gas Utilities
Los Angeles, California, United States
$40-$50/hr HybridFull Time
4+ YOEBachelor's in engineering required, 4+ years gas utility ILI engineering experience, experience with integrity/direct assessments and pressure testing, proficiency in AMPP/CP1/CPs/CP3/API 579, Microsoft Office skills.
Microsoft Office
3d
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Wireless System Engineer
Cupertino or Irvine or San Diego
OnsiteFull Time
10+ YOEBachelor's degree and 10+ years of industry experience. Requires wireless communications, channel propagation, RF design, transceiver algorithms, test/API-driven development, and C/C++/Python skills.
C, C++, Python, TCP/IP
1mo
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Integration Engineer - High Voltage Los Angeles, CA
Los Angeles, California, United States
$110k-$145k/yr OnsiteFull Time
5+ YOE5+ years validation/integration experience for connected infotainment, VWAG vehicle integration knowledge, engineering degree, strong communication, test and resource management, knowledge of CAN/MOST/Ethernet/FlexRay.
CAN, MOST, Ethernet, FlexRay, APIs, MQTT, Cloud Infrastructure
2d
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Customer Solutions Engineer
United States or Los Angeles or San Francisco or New York City or Washington or London or Singapore
RemoteFull Time
Pre- or post-sales experience in solutions engineering or architecture, customer-facing consulting skills, API-based SaaS implementation, testing and launch experience, and scripting in Python, JavaScript, or TypeScript. US citizenship required.
Slack, Python, JavaScript, TypeScript, API, SaaS, AI, Otter.ai, Fireflies, Fathom, Cluey
1mo
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Sr. Software Engineer
Lake Forest, California, United States
OnsiteFull Time
5+ YOE5+ years software engineering experience; strong JavaScript/TypeScript and React; experience with micro-frontends, frontend SDKs, REST API integrations, and automated testing (Jest, Cypress, Playwright).
JavaScript, TypeScript, React, Jest, Cypress, Playwright, REST APIs
2mo
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Software Engineer
Columbus or Boston or Chicago or Austin or Los Angeles or United States or Canada or United Kingdom or Australia
$125k-$165k/yr HybridFull Time
2+ YOE2+ years building web applications, backend services, or APIs. Experience using AI agents in engineering workflows, testing and CI/CD, and familiarity with PHP/Laravel, Vue.js, AWS Serverless, MySQL, or DynamoDB is a plus.
Claude Code, Cursor, PHP, Laravel, Vue.js, MySQL, DynamoDB, Kubernetes, AWS, Serverless, CI/CD, lambdas
1w
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Sr. Software Engineer
Irvine or Los Angeles or Seattle
$150k-$180k/yr OnsiteFull Time
Full-stack engineer modernizing production systems and building AI capabilities with Java, Go, JavaScript, BigQuery, GCP, REST APIs, databases, automated testing, and end-to-end project ownership.
Java, Go, JavaScript, BigQuery, Cloud Storage, MySQL, REST APIs, FTP, YAML, GCP, Docker, Kubernetes, GKE, GitHub Actions, Python, Tomcat, JSP, CodeMirror, Chart.js, MCP, LLMs
2mo
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QA Engineer (Software)
Los Angeles, California, United States
$40/hr OnsiteFull Time
3+ YOE3+ years testing web applications, experience with test automation, writing test plans/cases, strong test methodology knowledge, attention to detail; API testing experience (Postman/Newman) and Linux proficiency are nice to have.
Postman, Newman, Linux
1mo
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QA Engineer
Los Angeles, California, United States
$110k-$125k/yr HybridFull Time
3+ YOE3+ years in software QA/testing, experience testing web and mobile apps, test automation (Selenium/Cypress/Playwright), API testing (Postman/Insomnia), SQL, Agile experience, Jira/TestRail usage, Linux command-line familiarity, strong communication and problem-solving skills.
Selenium, Cypress, Playwright, Postman, Insomnia, SQL, Jira, TestRail, Linux, Unix, JavaScript, Python, Bash, HTTP, REST APIs
2mo
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Staff Software Engineer
Irvine, California, United States
OnsiteFull Time
7+ YOEBachelor's in CS/IS/engineering required (Master's preferred); 7+ years building large-scale healthcare software; 2-3 years running production on AWS; experience leading engineers; expertise in Go, Java, React/JavaScript, HL7/FHIR, RESTful APIs, cloud services and testing.
Go, Java, React, JavaScript, AWS, AWS Step Function, Airflow, HL7/FHIR, RESTful APIs
5d
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Software Engineer – AI Systems
Irvine, California, United States
$135k-$150k/yr HybridFull Time
2+ YOEBachelor's degree or equivalent experience, 2+ years of software engineering and Python with Flask or Django, Anthropic SDK/API and Claude Console experience, plus Git, REST, SQL, testing, and DevOps skills.
Anthropic SDK/API, Claude Console, Python, Flask, Django, TypeScript, React, SQL, Docker, AWS, Azure, Git, pytest, Jest, MySQL, MSSQL, Postgres, CI/CD
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