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161 api test engineer jobs at 58 companies in Illinois

1mo
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Test Engineer II
United States or California or New Jersey or New York or Washington or Hawaii or Alaska or Maryland or Connecticut or Rhode Island or Massachusetts or Nevada or Oregon or Arizona or Colorado or Wyoming or Texas or North Dakota or Minnesota or Missouri or Illinois or Wisconsin or Florida or Georgia or Michigan or Ohio or Virginia or Pennsylvania or Delaware or Vermont or New Hampshire or Maine or Utah or Idaho or Montana or New Mexico or South Dakota or Nebraska or Kansas or Oklahoma or Iowa or Arkansas or Louisiana or Mississippi or Alabama or Tennessee or Kentucky or Indiana or South Carolina or North Carolina or West Virginia
$77k-$142k/yr RemoteFull Time
Mercury Insurance
Mercury InsuranceNYSE: MCY: Provider of personal and commercial insurance coverage.
3+ YOEBachelor's in CS or related (or equivalent experience), 3+ years industry experience, automation and API testing experience (Java/Python, Selenium, TestNG, Postman/SoapUI), JIRA/Confluence proficiency.
Java, Python, Selenium, TestNG, Postman, SoapUI, JIRA, Confluence
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3mo
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Test Engineer (Entry-Level)
Scott AFB or United States
OnsiteFull Time
DecisionPoint
DecisionPoint: Provides IT and cybersecurity services for federal government agencies.
2+ YOEEntry-level Test Engineer; 0–2+ years experience; active Secret clearance; IAT Level II (Security+ CE); basic SDLC; strong communication.
Jira, Java, Angular, APIs, SQL
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4w
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Software Engineer, API
Chicago, Illinois, United States
$108k-$110k/yr HybridFull Time
Supernova Technology
Supernova Technology: Provides cloud-based digital software for securities-based lending.
3+ YOEBachelor's in CS/Engineering, 3+ years software development with API design, experience with Java, Spring Boot, AWS, OAuth/JWT, REST, Git, CI/CD, and testing frameworks.
RESTful Services, OAuth, JWT, Java, Spring Boot, AWS, Git, CI/CD
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1mo
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Software Quality Test Engineer
Chicago, Illinois, United States
$100k-$120k/yr OnsiteFull Time
The Aspen Group
The Aspen Group: Provides comprehensive business support for retail healthcare practices.
5+ YOEDesign, develop, and maintain automated tests; API/SQL testing; CI/CD; strong programming in Java/Python; experience with API testing and SQL Server.
Java, Python, JavaScript, SQL Server, PostgreSQL, DBeaver, Azure Studio, MSSQL, Pytest, Postman, Requests, Playwright, TestNG, JUnit, Cypress, Appium, Jenkins, GitLab, Jira, Zephyr, LoadRunner, JMeter, Docker, Kubernetes
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1w
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Sr. Automation Test Engineer
North Chicago, Illinois, United States
$120k-$150k/yr HybridFull Time
ITility
ITility: Providing professional engineering, IT, and mission support to government agencies.
8+ YOE8+ years software testing experience with 5+ years automation using Java/Selenium; experience with API, performance, and security testing; AWS, CI/CD, Agile experience; US citizenship and ability to pass IT-II background check.
AWS, Ruby, TypeScript, Java, Selenium, JMeter, POSTMAN, Cucumber, JIRA, Confluence, Jenkins, Gatling, Zephyr, TestRail, TestNG, SpecFlow, SQL
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10h
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Senior Software Development Engineer in Test
Arizona or California or Florida or Georgia or Illinois or Massachusetts or Michigan or New Hampshire or New Mexico or New York or North Carolina or Tennessee or Virginia
RemoteFull Time
Agero
Agero: Provides digital roadside assistance and accident management software solutions.
4+ YOE4+ years software engineering/SDET experience, BS in CS or related, strong automation across UI/API, test framework design, CI/CD, Jira-linked test management, and strong communication.
Playwright, Cypress, Selenium, pytest, GitHub Actions, Angular, TypeScript, Nx, Python, AWS, Cognito, CloudWatch, Datadog, Snowflake, Splunk, Jira, Zephyr, TestRail, Xray, Allure
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1mo
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Lead Backend Engineer (API Architect)
Rock Island, Illinois, United States
OnsiteFull Time
CMB Regional Centers
CMB Regional Centers: Managing EB-5 investment funds for US infrastructure projects.
8+ YOERequires degree in Computer Science (or equivalent) and 8+ years software development experience; strong .NET and SQL Server skills, REST API design, API/security practices, CI/CD, testing, and stakeholder communication.
.NET, SQL Server, REST, SSRS, Power BI, CI/CD
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3w
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Senior Software Engineer (Hogan API)
Hopkins or Atlanta or Chicago or Charlotte or Englewood or Brookfield or Irving
$120k-$141k/yr HybridFull Time
U.S. Bank
U.S. BankNYSE: USB: Provider of personal, business, and institutional financial services.
5+ YOEBachelor's degree or equivalent and 5+ years relevant experience. Experience with mainframe/Hogan development (COBOL, JCL, CICS), APIs, system design, testing, security, and cross-team collaboration; Scrum familiarity.
Hogan COBOL, JCL, CICS, JSON, Splunk, IMS Database, GitLab, IDz/RDz (IBM Developer for zOS), Jira
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1w
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Senior Software Development Engineer in Test (SDET) (Remote)
Chicago, Illinois, United States
$120k/yr RemoteFull Time
Hyatt
HyattNYSE: H: Global hospitality providing luxury hotel and resort accommodations.
5+ YOEBachelor's in CS or equivalent, 5+ years in software or test automation, strong programming in Java/Kotlin/Python/TypeScript, experience with test automation for services/APIs in AWS, and CI/CD integration.
AWS, TypeScript, Java, Kotlin, Python, CI/CD
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3d
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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
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1mo
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Software Development Engineer in Test (SDET) (Atlanta, GA, US)
Fort Mill or Austin or Atlanta or Chicago
$73k-$88k/yr HybridFull Time
Capgemini
CapgeminiEuronext Paris: CAP: Provides global IT consulting and digital transformation services.
7+ YOEBachelor's in CS/CE required; 7+ years as QA Engineer/SDET; hands-on Playwright experience required; proficiency in Python, TypeScript, Java/JavaScript or .NET; experience with UI/API automation, SQL, JIRA, Zephyr, and Confluence.
Playwright, Cursor AI, Model Context Protocol (MCP), Python, TypeScript, .NET, Cucumber, Atlassian JIRA, Zephyr, Confluence, Selenium, Java, JavaScript, SQL, Appium, TestNG, Saucelabs, Git, SVN, AWS, Azure, BDD
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1mo
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Senior QA Automation Engineer
Deer Park, Illinois, United States
$80k-$125k/yr OnsiteFull Time
PDF Solutions
PDF SolutionsNASDAQ: PDFS: Data analytics and engineering solutions for semiconductor manufacturing.
6+ YOEBachelors in CS/Engineering, 6+ years QA automation experience with Selenium/Python/Java, API/backend testing, ML application validation, cloud-native/Docker/Kubernetes, CI/CD, and Agile experience.
Python, Java, Selenium, API, Docker, Kubernetes, Helm, CI/CD, SQLMap, OWASP ZAP, Prometheus, Grafana, InfluxDB
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1d
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Sr. Quality Engineer
United States or Alabama or Arizona or California or Colorado or Connecticut or Florida or Georgia or Idaho or Illinois or Indiana or Iowa or Kansas or Louisiana or Maryland or Massachusetts or Michigan or Minnesota or Missouri or Mississippi or North Carolina or Nebraska or New Jersey or Nevada or New York or Ohio or Oklahoma or Oregon or Pennsylvania or South Carolina or Tennessee or Texas or Utah or Virginia or Washington or Wisconsin or Wyoming
$120k-$130k/yr RemoteFull Time
Storable
Storable: Provides technology platform for storage and specialty real estate operators.
5+ YOE5+ years QA/quality engineering experience, strong test strategy, API and data validation, SQL, CI/CD familiarity, test automation experience, and practical use of AI-assisted tools.
Cypress, Selenium, TestNG, Cucumber/Gherkin, SQL, GitHub, GitLab, Jira, Confluence, Node.js, TypeScript, JavaScript, Codex, Claude Code, Cursor, GitHub Copilot, ChatGPT
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1w
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Senior QA Engineer
Chicago, Illinois, United States
$89k-$165k/yr HybridFull Time
Publicis Groupe
Publicis GroupeEuronext Paris: PUB: Global communications, advertising, and digital transformation holding.
5+ YOEBachelor's in Computer Science (or equivalent), 5+ years QA/development experience, strong test automation and scripting, experience with Selenium/Cypress/Taiko, API testing (Swagger/Postman), Angular, AWS testing tools, Agile experience.
Selenium, Cypress, Taiko, Swagger, Postman, Angular, AWS
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1w
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Software Development Engineer III
Spartanburg or Irving or Shreveport or Oak Brook
$100k-$150k/yr HybridFull Time
RedSail Technologies
RedSail Technologies: Integrated pharmacy management software and health technology solutions.
5+ YOEBachelor's degree in Computer Science or equivalent, 5+ years software engineering experience (including 1 year at senior level), expertise in microservices, API and database design, unit/integration testing, JavaScript/Angular; C#/.NET, Postgres, Mongo, Kafka preferred.
JavaScript, Angular, C#, .NET, PostgresDB, Mongo DB, Kafka, Microsoft Teams
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3w
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Senior GTM Engineer - Hubspot
Atlanta or Chicago or Austin or United States
RemoteFull Time
Tractian
Tractian: Provides AI-driven industrial IoT solutions for predictive equipment maintenance.
4+ YOE4+ years HubSpot CRM management, HubSpot API/webhooks experience, building integrations and automated workflows, reporting and A/B testing, strong communication and data analysis skills.
HubSpot, HubSpot API, webhooks
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1mo
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Detection Engineer
Chicago, Illinois, United States
$100k-$140k/yr HybridFull Time
Tempus AI
Tempus AINASDAQ: TEM: Builds a data platform for AI-powered precision medicine diagnostics.
Proficient in Python, APIs/JSON, unit testing, and Git; able to build and operate log ingestion pipelines, integrate systems, and support detection engineering with curiosity about security operations.
Python, APIs, JSON, Poetry, Git, unit tests, CI, SIEM, SOAR, Claude Code, Cursor, Splunk, Google SecOps, Microsoft Sentinel, GCP, Azure, AWS, S3, GCS, Blob, Key Vault, Secret Manager, Secrets Manager, IAM, Terraform, Docker
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1mo
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QA Engineer
Chicago, Illinois, United States
$106k-$120k/yr HybridFull Time
Coates Group
Coates Group: Provides digital signage and content management for retail brands.
JavaScript test frameworks (TestCafe, Cypress, Playwright); Unix/Linux; Git; Docker; AWS S3/Lambda; API testing; databases; user acceptance testing.
JavaScript test frameworks, Unix/Linux, Git, Docker, AWS S3, AWS Lambda, API testing, Databases, User acceptance testing
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2mo
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Mobile Software Engineer (Android)
Chicago, Illinois, United States
$139k/yr HybridFull Time
Prolaio
Prolaio: Providing a clinical intelligence platform for precision cardiology.
3+ YOE3-5 years mobile software engineering; Kotlin Android development; REST API integration; testing/automation; remote work.
Kotlin, Android, Jetpack Compose, Firebase, Ktor, REST API, Espresso, UI Automator, JUnit, Appium, BLE, CI/CD
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1mo
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AI Product Engineer
Chicago, Illinois, United States
$246k/yr RemoteFull Time
JLL
JLLNYSE: JLL: Global commercial real estate and investment management services.
Strong Python and engineering skills, REST API experience, familiarity with document parsing libraries and Microsoft 365 integrations, Git workflows, hands-on LLM/AI engineering, and experience designing validation and testing frameworks. Must be authorized to work in the U.S.; no visa sponsorship.
Python, pytest, PyMuPDF, python-docx, openpyxl, pandas, Git, REST API, Microsoft 365, Microsoft Graph, Microsoft SharePoint, Microsoft OneDrive, LLM APIs, Model Context Protocol (MCP)
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