17 api test engineer jobs at 12 companies in Kansas City, MO
2w
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Test Engineer
Bucharest or Leawood
OnsiteFull Time
5+ YOE5+ years in quality engineering or software testing, test design and execution, automated UI/API testing, SQL and API validation, experience with AI-assisted testing and responsible AI principles.
SQL, REST, SOAP, Playwright
3w
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Test Automation Engineer I
Kansas City, Missouri, United States
OnsiteFull Time
Foundational QA skills, familiarity with C#, Selenium WebDriver, API testing (REST, SoapUI, Postman), junior college or equivalent IT experience, and strong analytical and troubleshooting skills.
C#, Selenium WebDriver, REST, SoapUI, Postman
1mo
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Senior Software Engineer
Kansas City, Missouri, United States
OnsiteFull Time
Proven production software experience in object-oriented languages (PHP, Java, C#, Python), REST API and SQL schema design, SOLID principles, test-first discipline (unit/integration), discovery participation, and strong written communication.
PHP, Java, C#, Python, SQL, PHPUnit, Pest, Dusk, Laravel, CI/CD, REST API, AI tools
1mo
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Mechanical Engineer 1 (3892)
Blue Springs, Missouri, United States
$68k-$84k/yr OnsiteFull Time
2+ YOEBachelor's in Mechanical Engineering (required) with 2 years post-degree experience. Experience in product design, testing and analysis, preparing drawings, using design software, applying industry standards (ASME, API, NFPA), and supporting manufacturing.
2mo
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Associate Quality Engineer (Leawood, KS, US, 66211)
Leawood, Kansas, United States
HybridFull Time
0+ YOEEntry-level quality engineer focusing on performance testing, API validation, and AI-assisted testing.
JMeter, AI tools, GitHub Copilot, Claude, API testing
1mo
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Senior Software Engineer
Kansas City, Missouri, United States
OnsiteFull Time
Production experience in an object‑oriented language (PHP, Java, C#, Python), REST API and SQL schema design, SOLID principles, test‑first development (PHPUnit/Pest/Dusk), reading unfamiliar codebases, product discovery involvement, and clear written communication.
PHP, Java, C#, Python, SQL, PHPUnit, Pest, Dusk, Laravel, CI/CD
3mo
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Sr. Android Engineer (Tulsa, OK, US, 74101)
Tulsa or Dallas or Houston or Kansas City or Lincoln or Little Rock or Memphis or Oklahoma City or Phoenix or Salt Lake City or San Antonio or Springfield or St. Louis
OnsiteFull Time
8+ YOE8+ years software engineering; 3-5 years building production Android apps with Kotlin and Jetpack Compose; strong API, CI/CD, testing experience.
Kotlin, Jetpack Compose, AWS, REST APIs, JUnit, Espresso, Mockito, Firebase, New Relic, CircleCI, Fastlane, GitHub Copilot, Claude
9h
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Senior Software Engineer (Modern .NET)
Denver or Kansas City or Chicago or Cincinnati or St. Louis or Florida or Iowa or Nebraska or Tennessee
$120k-$160k/yr RemoteFull Time
6+ YOERequires 6+ years of software engineering experience, C#/.NET and ASP.NET Core, REST APIs, relational databases, SQL Server, EF Core, testing, cloud deployment, CI/CD, and Git workflows.
C#, .NET, ASP.NET Core, EF Core, SQL Server, Azure, React, TypeScript, REST APIs, CI/CD, Git, Angular, Vue, Figma, Terraform, Bicep, Culture Index, Microsoft Windows
4w
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Software Engineer II (Python Focus)
Leawood, Kansas, United States
OnsiteFull Time
3+ YOEB.S. or M.S. in CS/Engineering,3+ years Python backend experience,RESTful APIs,SQL/NoSQL,cloud (AWS preferred),Git,CI/CD,containerized deployments,test automation;clearance eligibility and U.S. citizenship required for many roles.
Python, SQL, NoSQL, AWS, Git, CI/CD, Airflow, NiFi, Kafka, Prometheus, Grafana, ELK
4w
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*Senior Software Engineer
Kansas City, Missouri, United States
OnsiteFull Time
5+ YOEBachelor's degree or equivalent, 5+ years web and hybrid mobile development, experience with Angular, .NET, Ionic, cloud/DevOps, unit testing, and mentoring.
Angular, HTML5, CSS3, TypeScript, JavaScript, jQuery, Bootstrap, Node.js, JSON, C#, ASP.NET, SQL, WebAPI, DevTools, VS Code Debugger, Ionic, Capacitor, Karma, Jasmine, Microsoft Azure, Microsoft Azure DevOps, Terraform, Datadog, Azure Application Insights, Nginx, TestFlight
2mo
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Staff Software Engineer
Overland Park, Kansas, United States
OnsiteFull Time
8+ YOEBachelor's degree or equivalent, 8+ years experience, strong experience with .NET/.NET Core, C#, Angular, JavaScript, SQL Server and cloud (preferably Microsoft Azure); experience with web APIs, testing frameworks, DevOps tooling, and strong communication and problem-solving skills.
.NET, .NET Core, C#, Angular, JavaScript, TypeScript, SQL Server, RESTful Web API, Microsoft Azure, Microsoft Azure Pipelines, Microsoft Logic Apps, Microsoft BizTalk, App Services, Playwright, NUnit, xUnit, Docker, Kubernetes, Terraform, HL7
6d
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*Senior Software Engineer
Kansas City, Missouri, United States
OnsiteFull Time
5+ YOEFive years of software design and development experience, including full-stack web development, C#, .NET, Angular, TypeScript, Azure, databases, testing, version control, and cloud-native architectures.
Angular, .NET Core, Web API, Azure DevOps, Postman, Git, JavaScript, jQuery, HTML5, CSS3, XAML, MS Test, XUnit, Jasmine, Jest, C#, ASP.NET, .NET Framework, T-SQL, Azure Cosmos DB, Microsoft SQL Server, PostgreSQL, Oracle, WCF, RESTful Web Services, Silverlight, LinqPad, Visual Studio, Visual Studio Code, TFS, TypeScript, Lens, Node.js, Azure Functions, Azure Service Bus, Azure Kubernetes Service (AKS), Azure Blob Storage, Application Insights, Datadog, CI/CD, GraphQL, microservices
4w
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*Senior Software Engineer
Kansas City, Missouri, United States
OnsiteFull Time
H&R Block: A provider of tax preparation and related financial services investing in associate development and digital innovation.
5+ YOEBachelor's in CS/IT or equivalent, 5+ years web and hybrid mobile development experience (or Master's+3), expertise with Angular, .NET/C#, Ionic/Capacitor, Azure, Terraform, Datadog, and unit testing.
Angular, HTML5, CSS3, TypeScript, JavaScript, jQuery, Bootstrap, Node.js, JSON, C#, ASP.NET, SQL, WebAPI, DevTools, VS Code Debugger, Ionic, Capacitor, Karma, Jasmine, Azure, Azure DevOps, Terraform, Datadog, Azure Application Insights, Nginx, TestFlight
6d
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*Senior Software Engineer
Kansas City, Missouri, United States
OnsiteFull Time
5+ YOEBachelor's degree or equivalent and 5 years of software design and development experience, including full-stack web development, C#, .NET, Angular, TypeScript, cloud technologies, databases, testing, and CI/CD.
Angular, Azure DevOps, Microsoft .NET Core, Web API, Postman, Git, JavaScript, jQuery, HTML5, CSS3, XAML, MS Test, XUnit, Jasmine, Jest, C#, ASP.NET, Microsoft .NET Framework, T-SQL, Azure Cosmos DB, Microsoft SQL Server, PostgreSQL, Oracle, WCF, RESTful Web Services, Silverlight, LinqPad, Visual Studio, Visual Studio Code, TFS, TypeScript, Lens, Node.js, Azure Functions, Azure Service Bus, Azure Kubernetes Service (AKS), Azure Blob Storage, Application Insights, Datadog, CI/CD, GraphQL, microservices
2w
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Fullstack Software Engineer
Kansas City or Dallas or Alabama or Arkansas or Arizona or California or Colorado or Connecticut or Florida or Georgia or Idaho or Iowa or Kentucky or Louisiana or Massachusetts or Maryland or Michigan or Minnesota or Mississippi or Montana or Nebraska or Nevada or New Jersey or New York or North Carolina or Ohio or Pennsylvania or Puerto Rico or Rhode Island or South Carolina or Tennessee or Texas or Utah or Virginia or Washington or Wisconsin or West Virginia
$130k-$150k/yr HybridFull Time
3+ YOEBachelor's or equivalent, 3+ years full‑stack web experience with modern frontend frameworks, TypeScript/JavaScript, backend in Node.js or Python, cloud platform experience, RESTful APIs, microservices, SQL, automated testing, and agile development.
React, Angular, Vue, TypeScript, JavaScript, Node.js, Python, AWS, Azure, GCP, Esri ArcGIS, MapLibre, Mapbox, PostGIS, Docker, Claude Code, Copilot, Cursor, SQL
1w
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Temporary Software Engineer I - Autonomous Systems, Missouri Institute for Defense & Energy
Kansas City, Missouri, United States
$35-$37/hr OnsitePart Time
1+ YOEExperience developing and testing software for autonomous systems; strong Python or C/C++ skills; Linux, Git, Docker, networking, embedded/edge platform and API integration experience.
Python, C, C++, Linux, Git, Docker, REST APIs, WebSocket, OpenCV, PyTorch, NVIDIA Jetson, Raspberry Pi, Arduino, ESP32
1mo
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Lead QA Analyst
Kansas City, Missouri, United States
OnsiteFull Time
H&R Block: A tax and financial services providing client help and confidence through a blend of human expertise and digital innovation.
7+ YOE7+ years QA experience, bachelor's in CS/IT/engineering or equivalent, leadership of automation initiatives, API/database testing, advanced SQL, and strong scripting (JavaScript/VBScript).
C#, NUnit, Playwright, Azure, UFT, Selenium, Postman, JavaScript, VBScript, SQL
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