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27 api test engineer jobs at 18 companies in Wisconsin

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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1mo
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Agentic Software Test Engineer
La Crosse, Wisconsin, United States
$97k-$136k/yr HybridFull Time
Trane Technologies
Trane TechnologiesNYSE: TT: Global provider of heating, ventilation, and air conditioning solutions.
5+ YOE5+ years in software QA, 1+ year with LLM/agent systems, hands-on with AI coding agents and Anthropic/OpenAI APIs, prompt engineering, test design across layers, ability to read/modify C#, Python, or JavaScript code, experience with GitHub Actions, Jira, Playwright/BUnit/xUnit/NUnit.
Claude Code, Cursor, Copilot Workspace, Anthropic API, OpenAI API, C#, Python, JavaScript, GitHub Actions, Jira, Playwright, BUnit, xUnit, NUnit, JSON Schema, Microsoft .NET 10.0, Blazor, ASP.NET Core, Razor, PostgreSQL, EF Core, EnergyPlus
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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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5d
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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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3w
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IS Quality Assurance Senior Engineer
Eau Claire, Wisconsin, United States
OnsiteFull Time
Menards
Menards: Operates a chain of big-box home improvement retail stores.
5+ YOE5+ years software testing/quality engineering experience; proficiency with JavaScript/TypeScript, Playwright, SQL, Git, CI/CD; experience with performance testing tools and API/integration testing; ability to lead testing and mentor engineers.
Playwright, Playwright MCP/CLI, JavaScript, TypeScript, Codex, GitHub Copilot, SQL, Git, Azure DevOps, GitHub Actions, Jenkins, NeoLoad, BlazeMeter, JMeter, Tricentis Tosca, QF-Test
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2mo
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Senior DevOps Engineer
Milwaukee, Wisconsin, United States
OnsiteFull Time
Fiserv
FiservNew York Stock Exchange: FI: Provides financial technology solutions for merchants and financial institutions.
4+ YOEBachelor's or Master’s in CS/CE; 2-4 years software engineering; cloud infra (AWS/Azure/GCP); Kubernetes, Docker, Terraform; scripting; API testing; PostgreSQL; observability.
AWS, Azure, GCP, Traefik, Confluent, Kafka, RabbitMQ, Kubernetes, Helm, ArgoCD, Argo Workflows, Docker, HashiCorp Vault, Terraform, Rundeck, GitLab, Python, Shell Scripting, PowerShell, Swagger, Postman, PostgreSQL, pgAdmin, Datadog, OpenTelemetry, Prometheus
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2w
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Software Test Engineering Manager (IGEN)
Appleton, Wisconsin, United States
HybridFull Time
U.S. Venture
U.S. Venture: Distributes energy products, automotive parts, and logistics data solutions.
5+ YOE3+ MgmtBachelor's degree or equivalent, 5+ years QA/automation/SDET experience, 3+ years leadership, strong automation, API/CI-CD, cloud-native (Azure) experience, programming (C#, JavaScript, Python, Java).
Microsoft Azure, Microsoft Azure DevOps, GitHub, GitHub Actions, .NET, Selenium, Playwright, Cypress, C#, JavaScript, Python, Java, Microsoft Entra, IAM
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1mo
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Senior Software Engineer, Next.JS
United States or Alabama or California or Colorado or Connecticut or Florida or Georgia or Louisiana or Maryland or Massachusetts or New Jersey or New York or North Carolina or Oregon or Pennsylvania or South Carolina or Tennessee or Texas or Virginia or District of Columbia or Wisconsin
$165k-$185k/yr RemoteFull Time
The Motley Fool
The Motley Fool: Provides stock market guidance and financial education services.
5+ YOE5+ years software engineering experience with server-side web applications; strong TypeScript and Next.js App Router experience; production API integrations, caching (Redis/CDN), AWS/Docker, observability (DataDog), and end-to-end testing (Playwright/Cypress).
Next.js, TypeScript, Redis, Cloudflare, AWS, Docker, DataDog, Microsoft Playwright, Playwright, Claude Code, Cursor, Segment, PostHog, GTM, Cypress, Screaming Frog
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1mo
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Marketing Technology Engineer
West Bend or United States
$76k-$96k/yr HybridFull Time
Delta Defense
Delta Defense: Provides operational support and insurance for the USCCA.
3+ YOE3+ years MarTech/marketing operations experience; HS diploma required, bachelor’s preferred; authorized to work in the U.S.; working knowledge of JSON, dataLayer/event schemas, Regex, Liquid, HTML/CSS, SQL, JavaScript, APIs/webhooks; experience with Braze, Segment, GTM, GA4, Salesforce, CMS, testing tools.
JSON, Regex, Liquid, HTML, CSS, SQL, JavaScript, APIs, Webhooks, Braze, Segment, Google Tag Manager, GA4, Salesforce, CMS tools, A/B testing tools, analytics platforms, browser developer tools
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1mo
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Software Engineer
Stevens Point, Wisconsin, United States
$70k-$95k/yr OnsiteFull Time
Berkshire Hathaway Specialty Insurance
Berkshire Hathaway Specialty InsuranceNYSE: BRK.A: Provides commercial property, casualty, and specialty insurance coverages globally.
2+ YOE2–6 years software development experience; Bachelor’s or Associate’s in CS or related preferred; full-stack development, API design, unit testing, cloud and container familiarity, version control, Agile experience.
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4d
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Python Engineer
Milwaukee, Wisconsin, United States
$100k-$130k/yr HybridFull Time
Allspring Global Investments
Allspring Global Investments: Provides global asset management and investment advisory services.
3+ YOEBachelor's degree and 3+ years Python development experience; experience with APIs, data processing (Pandas/NumPy), SQL, FastAPI, cloud/AWS, CI/CD, testing, and Agile delivery; must be authorized to work in the U.S.
Python 3.10+, Pandas, NumPy, Matplotlib, Plotly, Bokeh, Streamlit, PostgreSQL, Microsoft SQL Server, Snowflake, FastAPI, Swagger/OpenAPI, Postman, AWS ECS, AWS EC2, AWS Lambda, AWS IAM, pytest, Git, Jenkins, Docker, Kubernetes, Microsoft Power Platform, Power BI, Dataverse, SQL
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3w
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Quality Assurance Engineer
Shelton or Indiana or Ohio or Louisiana or Iowa or New Hampshire or Delaware or North Carolina or Utah or Montana or Oklahoma or Virginia or Arkansas or Alabama or Missouri or Pittsburgh or Nevada or San Antonio or Tampa or St. Petersburg or Mississippi or Orlando or Tennessee or New Mexico or Kansas or Maitland or Phoenix or Idaho or West Virginia or Gilbert or Maine or Pennsylvania or Nebraska or Sunrise or Port St. Lucie or South Carolina or Georgia or Wisconsin or Texas or Dallas or Florida or Connecticut or Arizona or Kentucky
HybridFull Time
HealthPlanOne
HealthPlanOne: Digital marketplace for health insurance and Medicare plans.
3+ YOEBachelor's in Computer Science or related, 3+ years QA experience, strong QA methodologies, test plan and case creation, test management tools (Jira/Bugzilla), automation (Mabl), SOAP/REST API knowledge, SQL, HTML, JavaScript.
Jira, Bugzilla, Mabl, SQL, SOAP, REST, HTML, JavaScript, Scrum, Kanban
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4d
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Mobile iOS Engineer (Hybrid)
Madison or Boston
$80k-$131k/yr HybridFull Time
American Family Insurance
American Family Insurance: Provides diverse insurance products and comprehensive financial services.
Experience building customer-facing iOS apps with Swift, iOS architectures (MVVM/MVC), REST API integration, Git and CI/CD, unit testing (XCTest), Xcode, and strong communication and debugging skills.
Swift, MVVM, MVC, REST APIs, Git, CI/CD, App Store, XCTest, Xcode, Airship, Optimizely, ForgeRock
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4d
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Software Developer
Appleton or United States
$85k-$117k/yr RemoteFull Time
Syms Strategic Group
Syms Strategic Group: Provides IT and professional services to federal government agencies.
8+ YOE8+ years back-end software development with Java and/or NodeJS, Angular front-end experience, AWS cloud skills, RESTful API design, Git/GitHub, unit/integration testing, Public Trust clearance eligibility, U.S. citizenship required.
Java, NodeJS, Angular, C#/.Net, AWS, API Gateway, Lambda, S3, CloudWatch, Git, GitHub, JUnit, Jest, Docker, ECS, EKS, JIRA, Microsoft Teams
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2mo
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Senior Staff Quality Engineer
Austin or Madison
OnsiteFull Time
Findhelp
Findhelp: Building digital infrastructure for connecting people to social services.
5+ YOE5+ years QA experience in agile environments; designing and implementing test automation (keyword-driven, POM); API automation; Python and PyTest proficiency; familiarity with Robot Framework or Playwright, JavaScript/React, Google Cloud, and Elastic Stack.
Python, PyTest, Robot Framework, Playwright, Javascript, React, Google Cloud, Elastic Stack (Elasticsearch, Kibana), CI/CD, RESTful, SOAP
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5d
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Senior Mobile Developer
Utah or Wisconsin or Alaska or Arkansas or Washington or Arizona or Virginia or Alabama or Texas or Pennsylvania or Oregon or Oklahoma or Ohio or Nevada or Nebraska or Montana or Mississippi or Minnesota or Michigan or Massachusetts or Maryland or Maine or Louisiana or Kansas or Iowa or Indiana or Idaho or Florida or Delaware or Connecticut or Missouri or Colorado or California or Wyoming
$125k-$135k/yr RemoteFull Time
Harris Computer
Harris Computer: Provides mission-critical vertical market software and service solutions.
8+ YOEExpertise in Kotlin and Swift, modern mobile UI frameworks, mobile architectures and DI, REST API integration, mobile testing, CI/CD tooling, AI-assisted development experience, bachelor's or equivalent, 8+ years software development.
Kotlin, Swift, Jetpack Compose, SwiftUI, The Composable Architecture, MVVM, Koin, Retrofit, OkHttp, URLSession, JUnit, Mockito, Robolectric, Espresso, Compose UI test, XCTest, XCUITest, Gradle, Swift Package Manager, Bitrise, Fastlane, GitHub Copilot, Claude, Cursor, ChatGPT
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2w
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Software Developer - Milwaukee P&C Mortgage Solutions - Hybrid
Brookfield, Wisconsin, United States
HybridFull Time
Milliman
Milliman: Global provider of actuarial and risk management consulting services.
2+ YOE2+ years full-stack development experience; strong C#, .NET Core, SQL, RESTful API skills; experience with data/statistical or ML model integration; Azure cloud familiarity preferred; strong communication and testing practices.
C#, .NET Core, SQL, RESTful APIs, Microsoft Azure, Microsoft Azure App Service, Microsoft Azure Functions, Microsoft Azure SQL, Python, CI/CD Pipelines, DevOps, Automated Testing Frameworks, Agile
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1mo
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Senior Power Platform Developer, Dynamics 365 CRM
Appleton or United States
$95k-$125k/yr RemoteFull Time
The Boldt Company
The Boldt Company: General contractor and construction management firm for large-scale projects.
5+ YOEBachelor's degree or equivalent experience; 5+ years with Microsoft Power Platform and Dynamics 365 CRM; expertise in Dynamics 365 Sales, integrations (Power Automate, Logic Apps, APIs), environment/deployment management (Dev/Test/Prod, Azure DevOps); valid driver's license may be required.
Microsoft Power Platform, Dynamics 365, Power Apps, Power Automate, Dataverse, Azure DevOps, Power BI, Microsoft Copilot, GitHub Copilot, Databricks, Logic Apps
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2w
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Advisor, Quality Engineering
Milwaukee, Wisconsin, United States
OnsiteFull Time
Fiserv
FiservNew York Stock Exchange: FI: Provides financial technology and payment processing services to institutions.
4+ YOEBachelor's in CS/IT/Computer Engineering, 4+ years software development and testing experience, automation framework and API/UI test experience (Karate, Cypress), CI/CD integration, technical leadership and mentoring.
Karate, Karate Framework, Cypress, React.js, Next.js, CI/CD, DevOps
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