University City • 50 milesRemote · Hybrid · Onsite · Field · All Environments
University City • 50 milesRemote · Hybrid · Onsite · Field · All Environments
University City • 50 milesRemote · Hybrid · Onsite · Field · All Environments
University City • 50 milesRemote · Hybrid · Onsite · Field · All Environments
19 api test engineer jobs at 13 companies in University City, MO
2d
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Senior Test Automation Engineer
St. Louis or Brentwood or Richmond Heights or Clayton or Maplewood or United States
RemoteFull Time
3+ YOERequires 3+ years of QA/software testing experience, including 2+ years in test automation, with Playwright, Selenium, Git/Jenkins, REST APIs, HTTP, and automated test code experience.
Playwright, Karate Test, Selenium, Cucumber, JMeter, Appium, Git, Jenkins, REST API, HTTP, SQL, PLSQL, Postman
1mo
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Quality Engineer
Saint Louis, Missouri, United States
OnsiteFull Time
2+ YOE2+ years SDET/test engineering experience; proficiency in Python, JavaScript, or Java; experience with Selenium, Cypress, or Playwright; API testing (Postman/REST Assured); CI/CD integration; Agile experience and strong analytical/communication skills.
Python, JavaScript, Java, Selenium, Cypress, Playwright, CI/CD, Postman, REST Assured, JMeter, K6, LoadRunner, iOS, Android, AWS, Azure, GCP, Docker
1w
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Engineer III
Tempe or St. Louis
HybridFull Time
5+ YOEBachelor's degree or equivalent experience; 5+ years of software engineering experience; expertise in Java or JavaScript, scalable cloud solutions, modern architecture, databases, APIs, testing, observability, and technical leadership.
Java, Spring Boot, REST APIs, React, JavaScript, Kubernetes, Kafka, MongoDB, Oracle, Microsoft Azure, AI, prompt engineering, microservices, domain-driven design, Agile
3w
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Integration QA Engineer
St Louis, Missouri, United States
OnsiteFull Time
5+ YOE5+ years QA or integration testing experience; expertise testing APIs/integration engines, CI/CD, SQL, cloud platforms; experience with Jira and test management; healthcare standards knowledge desirable.
REST, SOAP, Mirth Connect, HL7, FHIR, TestRail, Jira, Octopus, CI/CD, SQL, AWS, Azure, LLM
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
1d
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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
1mo
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Quality Engineer
Saint Louis, Missouri, United States
OnsiteFull Time
2+ YOE2+ years hands-on software QA experience; experience with API testing (Postman or REST Assured), familiarity with CI/CD, Agile/Scrum, strong debugging and communication skills.
Postman, REST Assured, CI/CD, Selenium, Cypress, Playwright, Python, JavaScript, Java, JMeter, K6, LoadRunner, AWS, Azure, GCP, Docker
3w
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Tech Lead - Web Software Engineer
Tulsa or Oklahoma City or Dallas or Houston or Little Rock or Kansas City or Lincoln or Denver or St. Louis or Boulder
$145k-$165k/yr OnsiteFull Time
8+ YOERequires 8–10+ years of software engineering experience, 4+ years with Angular, technical leadership, TypeScript, NgRx, Nx, web architecture, REST APIs, testing, CI/CD, security, accessibility, and production operations.
Angular, TypeScript, NgRx, Nx, REST APIs, Docker, AWS, Okta, OIDC, SonarQube, Checkmarx, Kong, Apigee, CI/CD, PCI, SOX, WCAG
1w
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Software Engineer III - React Native (TypeScript)
Tulsa or Springfield or Kansas City or Houston or Salt Lake City or Memphis or Oklahoma City or Lincoln or Little Rock or Phoenix or San Antonio or St. Louis or Dallas
OnsiteFull Time
5+ YOERequires 5–8+ years of software engineering experience, React Native and TypeScript expertise, mobile architecture, REST APIs, testing, CI/CD, code reviews, release processes, and production support; bachelor's degree or equivalent experience.
React Native, TypeScript, AWS, RESTful APIs, GitHub Copilot, Claude, Amazon Q, Jest, React Testing Library, Fastlane, CircleCI, Firebase, New Relic, PCI, SOX
4w
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Senior Python Developer
Fenton, Missouri, United States
OnsiteFull Time
5+ YOE5+ years software development experience with 3+ years Python; experience with RESTful APIs, databases, cloud platforms, testing, CI/CD, containerization, and mentoring.
Python 3.x, Django, Flask, FastAPI, RESTful APIs, PostgreSQL, MySQL, SQL Server, MongoDB, Redis, Git, GitHub Actions, Jenkins, Docker, Kubernetes, AWS, Azure, GCP, pytest, unittest, TensorFlow, PyTorch, scikit-learn, React, Vue.js, JavaScript
1d
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Software Developer
O'Fallon, Missouri, United States
$60k-$135k/yr OnsiteFull Time
5+ YOERequires 5–8 years of full-stack Java experience, Java and Spring Boot, microservices, cloud platforms, front-end frameworks, databases, REST APIs, security concepts, and testing.
Java, Spring Boot, PCF, Kubernetes, Angular, React, Docker, HTML, CSS, JavaScript, jQuery, Oracle, PostgreSQL, REST, X.509, JWT, Jenkins, Microsoft Azure, AWS, GCP
1d
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Software Developer
O'Fallon, Missouri, United States
$60k-$135k/yr OnsiteFull Time
5+ YOERequires 5–8 years of full-stack Java experience, Java and Spring Boot, microservices, cloud platforms, front-end frameworks, databases, APIs, security concepts, testing, and agile collaboration.
Java, Spring Boot, PCF, Kubernetes, Docker, Angular, React, HTML, CSS, JavaScript, jQuery, Oracle, PostgreSQL, RESTful API, X.509, JWT, Jenkins, Microsoft Azure, Amazon Web Services (AWS), Google Cloud Platform (GCP)
3w
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IVR QA Automation Engineer- R01568701
Saint Louis or New York City
$65-$70/hr HybridContract
8+ YOE8+ years experience with QA, 3+ years IVR/contact center testing, Amazon Connect, Cyara, Node.js, REST API testing, Jira; bachelor's degree preferred.
Cyara, Node.js, Amazon Connect, Postman, Jira, GitHub, Playwright, Selenium, Amazon Lex, AWS Lambda, S3, CloudWatch, IAM, API Gateway, EventBridge
3w
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Full Stack Software Engineer
St. Louis or Fairfax
OnsiteFull Time
4+ YOERequires BS+4yrs or MS+2yrs, active Top Secret clearance (TS/SCI), 3+ yrs React and Python/C# experience, unit testing and CI with GitLab, strong communication and DevOps/Cloud experience.
AWS Lambda, EC2, AWS CloudFormation, C#, Java, JavaScript, TypeScript, Python, Shell, GitLab, Jira, Confluence, Redux, React, Node, NPM, Swashbuckle, REST API, Sass, Linux, Windows
1mo
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Senior Software Engineer and Consultant
Saint Louis, Missouri, United States
RemoteFull Time
5+ YOE5+ years .NET and SQL Server experience, T-SQL and JavaScript proficiency, strong OOP and relational database knowledge, debugging/testing skills; Bachelor\u0002s in CS preferred.
Microsoft .NET, Microsoft SQL Server, T-SQL, JavaScript, Blazor, jQuery, REST API, XML, EDI
2w
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SDC Java Software Developer---Staff/Analyst---St. Louis
St. Louis, Missouri, United States
$55k-$113k/yr HybridFull Time
1+ YOEBachelor's degree in computer science or related field; 1+ year software development experience; Java, cloud, REST APIs, microservices, front-end frameworks, Git, testing, and Agile experience.
Java, Python, Node.js, REST, NoSQL, Microservices, AWS, Microsoft Azure, React, Angular, Git, CI/CD, Akka, Scala, Kafka, RabbitMQ, Elasticsearch, Hadoop, Spark, Flume, Mongo, Cassandra, IaaS, PaaS, TDD, BDD
3w
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SDC Java Software Developer---Senior---St. Louis
St. Louis, Missouri, United States
$67k-$137k/yr HybridFull Time
3+ YOEBachelor's degree in computer science or related field, 3+ years of software development experience, Java and full-stack development, cloud-native microservices, REST APIs, testing, Git, CI/CD, and Agile experience.
Java, Python, Node.js, REST, NoSQL, Microservices, AWS, Microsoft Azure, React, Angular, Git, CI/CD, Akka, Scala, Kafka, RabbitMQ, Elasticsearch, AngularJS, ReactJS, Hadoop, Spark, Flume, MongoDB, Cassandra, IaaS, PaaS, TDD, BDD
1mo
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SDC Java Software Developer---Staff/Analyst---St. Louis (St. Louis, MO, US, 63105)
St. Louis, Missouri, United States
$55k-$113k/yr HybridFull Time
1+ YOEBachelor's in CS or related, 1+ year software development experience, backend (Java/Python/Node.js), REST/APIs, cloud (AWS/Azure), microservices, frontend (React/Angular), CI/CD, Git, testing/TDD/BDD; willing to travel up to 50%.
Java, Python, Node.js, REST, NoSQL, Microservices, Serverless, AWS, Azure, React, Angular, Akka, Scala, Kafka, RabbitMQ, ElasticSearch, Hadoop, Spark, Flume, Mongo, Cassandra, Git, CI/CD, TDD, BDD, IaaS, PaaS
1mo
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SDC BCMT Technical Program Manager-- St. Louis (St. Louis, MO, US, 63105)
St. Louis, Missouri, United States
$67k-$137k/yr HybridFull Time
6+ YOEBachelor's in Engineering/Computer Science, 6+ years technical program delivery including hands-on development/testing, strong cloud/platform and Agile (Scrum/Kanban) experience, expertise in microservices, APIs, CI/CD and distributed systems, strong communication.
Microservices, Cloud, Omni channel integration, API Management, open source technologies, IaaS, PaaS, serverless architectures, CI/CD, NoSQL databases, microservices APIs, distributed systems, DevOps, Scrum, Kanban
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