Software API Testing Engineer

Sorry, this job was removed at 10:23 p.m. (CST) on Friday, Jan 16, 2026
Wilmington, NC
In-Office
Information Technology
The Role

Job Description:

Join our Quality Assurance team and play a key role in ensuring the reliability and performance of APIs that power financial institutions. In this role, you’ll design, implement, and execute tests for banking APIs used by internal and external systems, while driving improvements in API validation and automation.

What You’ll Do

  • Collaborate with product and engineering teams to define and implement API test strategies.

  • Analyze acceptance criteria, create test cases, and maintain automated test suites for API validation.

  • Identify opportunities to improve API testing processes and automation frameworks.

  • Lead API testing efforts independently and actively participate in Agile ceremonies.

Skills & Qualifications

Required

  • 3–5 years of experience in software engineering or testing, with a focus on API testing and automation.

  • Strong understanding of RESTful API concepts, design principles, and best practices.

  • Proficiency in scripting languages such as JavaScript, TypeScript, or Python.

  • Experience with API testing tools and automation frameworks (Postman, Playwright, Jest, Jasmine).

  • Experience with GIT, JIRA, Confluence, and cloud platforms (AWS preferred).

  • Strong written and verbal communication skills.

Preferred

  • Experience with API performance and security testing.

  • Exposure to testing AI-driven applications.

  • Advanced experience with Playwright.

  • Familiarity with TypeScript, Node.js, and Python.

Technical Stack

  • Postman, Playwright, and other API testing and automation tools.

Success Measures

  • Delivery of accurate, stable, and reliable API solutions.

  • Timely completion of API validation cycles and releases.

  • Documented enhancements to API testing processes and automation.

  • Effective collaboration and communication across teams.

  • High satisfaction from internal stakeholders and end users through reliable API deliverables.

As a forward-thinking software provider, Computer Services, Inc. (CSI) helps community and regional financial institutions solve their customers’ needs through open and flexible technologies. In addition to its award-winning core banking platform, these include the latest in lending, digital banking, payments, financial crime prevention and cybersecurity. Building on its 60-year track record of personalized service, CSI is shaping the future of banking and empowering its customers to rival their competition. For more information about CSI, visit www.csiweb.com 

CSI provides rewarding and challenging career opportunities for our employees. When determining your pay, we consider various factors such as your skills, qualifications, experience and location. Along with a competitive salary, this position includes eligibility for incentive awards based on both individual and business performance. We also offer a comprehensive range of benefits. To learn more about our benefits, visit: Benefits Summary

CSI is an Equal Opportunity Employer.  All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, physical and mental disability, marital status, veteran status, or any other characteristic protected by applicable law. If you need an accommodation during the recruitment process, please email us at [email protected] and we will work with you to meet your accessibility needs.

For applicants residing in California, please read Privacy Notice for California Residents | CSI (csiweb.com)

Visa Sponsorship: We are unable to offer visa sponsorship for this position. Applicants must be authorized to work in the United States without the need for sponsorship now or in the future.

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The Company
HQ: Paducah, KY
2,688 Employees
Year Founded: 1965

What We Do

As a forward-thinking technology partner, we accelerate our delivery of cutting-edge solutions to empower our customers’ growth. CSI heavily invests in research and development, product partnerships and strategic acquisitions to provide the most innovative technologies—all while maintaining our service-first mentality.

We drive financial institutions and other businesses forward with a variety of services, including:

Core Banking
With more than 57 years as a leader in core bank processing, CSI’s enterprise banking solutions empower institutions to compete in an open banking environment while growing assets, developing additional revenue streams and reaching new customers by integrating the latest digital technologies.

Regulatory Compliance
As an established leader in compliance, top global brands trust CSI as their regtech partner and rely on us for our advanced compliance software—including industry-leading fraud and anti-money laundering solutions.

Managed Cybersecurity
CSI offers cloud-based cybersecurity services, with 24/7 monitoring, real-time incident remediation, seamless compliance integration and industry-leading support for enhanced threat mitigation.

IT Management
As one of the largest, most trusted managed services partners in the country, we take a consultative approach to IT management to provide a scalable, efficient IT enterprise that supports institutions’ growth and regulatory needs.

Document Distribution
From digital document delivery to cost-efficient print and mail services, CSI provides a full range of document distribution solutions to help financial institutions stay connected with their customers.

Advisory Services
CSI’s Advisory Services—which include IT governance, compliance and risk management services—deliver cost-effective solutions that reduce the time and expense of managing security and compliance while ensuring technology is aligned to business objectives.

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