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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior API Test Engineer - **Company:** FIS Global - **Location:** Chicago, IL, United States - **Experience:** Expert - **Salary:** $95,190.0 - $159,900.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), JavaScript (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Application Performance Management, Automation of Tests, Spreadsheets, Continuous Integration, Data Cleansing, Relational Databases, Database Queries, Software Debugging, JSON, Apache JMeter, Junit, Python (Programming Language), PostgreSQL, Microsoft SQL Server, MySQL, NoSQL, Simple Object Access Protocol (SOAP), SoapUI, SQL Databases, Test Case, Testng, Extensible Markup Language (XML), Performance Testing, Postman, Cypress (Programming Language), Gatling, Git, Containerization, Kubernetes, Information Technology, Playwright, Graphql, Data Management, Api Design, Restful APIs, Selenium Webdriver, Software Version Control, Api Management, Atlassian Bamboo, Docker, Jenkins, Microservices - **Published:** May 19, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=443bfd5538b7629d ## About the Role * 7+ years of relevant API testing or QA automation experience (Bachelor's in Computer Science, Engineering, or related field preferred) * Financial domain knowledge, understanding of loan originations, deposits, Small Business Loans and credit card products (similar to a product manager perspective) * Advanced data management and analysis skills, including proficiency in SQL for complex data preparation, validation, and querying across relational and NoSQL databases for the purpose of test data management. * Proficiency in analyzing and interpreting complex Excel sheets for the purpose of test case design and data preparation. * Curiosity and openness to embedding AI into QA workflows, staying ahead of emerging best practices in quality engineering * Strong understanding of API architectural styles (REST, SOAP, GraphQL) and data formats (JSON, XML) * Proficiency with Java for scripting and automation * Extensive, hands-on experience architecting and maintaining solutions using industry-standard API automation tools (Rest Assured, JUnit, TestNG) and performance testing tools (JMeter, Gatling). * Familiarity with CI/CD tools (Jenkins, Bamboo, Argo) and version control (Git) * Experience with cloud platforms (AWS), containerization (Docker, Kubernetes), and microservices architectures * Working knowledge of relational databases (PostgreSQL, MySQL, SQL Server) and query writing (SQL) * Strong problem-solving skills to debug and resolve complex API issues * Excellent written and verbal communication skills for collaboration across teams ## Description As an your mission will be to define and champion the quality, reliability, performance, and security of Amount's core APIs and microservices. You will act as the go-to technical expert, setting the architectural standards for API test automation across the platform. A key focus will be leading the adoption and full-scale integration of AI-powered testing and analysis tools, moving beyond exploration to productionizing these capabilities to achieve step-change improvements in release velocity and quality coverage. What You Will Be Doing: * Own the end-to-end API Quality Strategy, defining the target state for reliability, performance, and security across all microservices. * Execute automated and manual API tests (functional, performance, security, regression) using industry tools * Design, develop, and maintain automated test frameworks using Java, Python, or JavaScript * Build and maintain automation with frameworks like Playwright, Cypress, Selenium WebDriver * Drive the adoption and integration of AI-powered QA tools to accelerate test case generation, preemptively detect defects, and optimize coverage across complex systems. * Leverage API testing tools such as Postman, Rest Assured, SoapUI, JMeter * Integrate automated API tests with CI/CD pipelines (Jenkins, Bamboo, Argo) * Identify, document, and track defects and performance issues to resolution * Collaborate with developers, product managers, and external vendors to refine API design and resolve issues * Monitor and analyze API performance metrics, identifying bottlenecks and opportunities for improvement * Maintain detailed documentation of test cases, results, and defect reports * Stay current with best practices in API testing and propose improvements to tools and processes * Mentor mid-level and junior QA engineers on best practices in API automation, performance analysis, and root cause analysis of complex system failures. ## Related Videos - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Tips and Tricks for Working with JSON](https://www.wearedevelopers.com/videos/1229-tips-and-tricks-for-working-with-json) - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) - [AIQSpecFlow: Improves and automates your agile process of specification and creation of testcases.](https://www.wearedevelopers.com/videos/100084-aiqspecflow-improves-and-automates-your-agile-process-of-specification-and-creation-of-testcases) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [Continuous testing - run automated tests for every change!](https://www.wearedevelopers.com/videos/190-continuous-testing-run-automated-tests-for-every-change) ## Related Articles - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [How Much FAANG Companies Actually Pay Software Engineers in 2025](https://www.wearedevelopers.com/magazine/230-how-much-faang-companies-actually-pay-software-engineers-in-2025) - [Benefits of Using JMeter For Performance Testing](https://www.wearedevelopers.com/magazine/96-benefits-of-using-jmeter-for-performance-testing) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers)