Senior API Test Engineer

FIS Global•Berwyn, IL

3d•Hybrid

About The Position

We are FIS. Our technology powers the world’s economy and our teams bring innovation to life. We champion diversity to deliver the best products and solutions for our colleagues, clients and communities. If you’re ready to start learning, growing and making an impact with a career in fintech, we’d like to know: Are you FIS? NOTE: This position is hybrid (3 days onsite) in our FIS Office locations in Chicago (Illinois), New York City (New York), Milwaukee (Wisconsin) and Jacksonville (Florida). Current and future sponsorship not available for this position About the Team: We are the premiere digital transformation partner for financial institutions committed to the future of banking and to creating safe and personalized customer experiences that help people better manage their financial lives. Our fully integrated and flexible platform is built on years of digital lending experience, enabling digital agility within months and a full suite of end-to-end consumer, small business and embedded finance solutions that fit the way people want to bank. FIS technology powers the world’s economy and our teams bring innovation to life. If you are ready to start learning, growing, and making an impact with a career in fintech, we encourage you to apply. Are you FIS? About the Role: 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.

Requirements

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

Responsibilities

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.