Senior API Test Engineer

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.

• 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

• A voice in the future of fintech.
• Continuous learning and development.
• Collaborative work environment.
• Opportunities to give back.
• Competitive salary and benefits.

FIS is committed to providing its employees with an exciting career opportunity and competitive compensation. The pay range for this full-time position is $95,190.00 - $159,900.00 and reflects the minimum and maximum target for new hire salaries for this position based on the posted role, level, and location. Within the range, actual individual starting pay is determined by additional factors, including job-related skills, experience, and relevant education or training. Any changes in work location will also impact actual individual starting pay. Please consult with your recruiter about the specific salary range for your preferred location during the hiring process.

FIS is committed to providing its employees with an exciting career opportunity and competitive compensation. The pay range for this full-time position is $0.00 - $999,999,999.00 and reflects the minimum and maximum target for new hire salaries for this position based on the posted role, level, and location. Within the range, actual individual starting pay is determined by additional factors, including job-related skills, experience, and relevant education or training. Any changes in work location will also impact actual individual starting pay. Please consult with your recruiter about the specific salary range for your preferred location during the hiring process.

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?, 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?