Senior Test Lead – Data Validation & API Integration

Cognizant; Alpharetta (GA); Hybrid; USD 71,000 - 113,000; Full time

Benefits offered by this job

Medical/Dental/Vision/Life Insurance

Paid holidays plus Paid Time Off

401(k) plan and contributions

Long-term/Short-term Disability

Paid Parental Leave

Employee Stock Purchase Plan

Job summary

Cognizant seeks an experienced Test Lead for Data Validation & Integration Testing to drive end-to-end testing of complex payments and customer service systems. You will lead data validation, API testing, and data reconciliation across multiple platforms.

This hybrid role is based in Alpharetta, GA, requiring three days on-site per week. You will mentor teams, implement automation, and ensure data integrity through the transaction lifecycle.

Qualifications

• 10+ years of backend data validation and SQL querying in testing environments.
• Expertise in integration testing and data synchronization across enterprise applications and downstream systems.
• Hands-on REST/SOAP API testing using Postman, SoapUI, Thunder Client, or similar tools.

Responsibilities

• Lead end-to-end testing planning, execution, reporting, defect management, and coordination with onsite and offshore teams.
• Perform backend data validation, source-to-target reconciliation, and data synchronization testing across customer service, payment, fraud, and downstream applications.
• Validate Data Lake and data-processing workflows using advanced SQL queries and data verification techniques.
• Conduct integration, API, and web application testing using tools such as Postman, SoapUI, and Thunder Client.
• Validate payment transaction processing using ISO 8583 standards, including MTIs, bitmaps, data elements, and payment interchange protocols.
• Perform packet and protocol testing using Soap Sonar, WSDL Weaver, or similar tools to ensure data integrity during transmission.
• Execute, maintain, and enhance automation frameworks using BDD/Cucumber, Selenium, Playwright, REST Assured, or Robot Framework, and support CI/CD pipelines using Jenkins and Git.
• Leverage Kafka, Splunk, Argo, and knowledge of microservices architectures to analyze logs, troubleshoot issues, support root‑cause analysis, and ensure overall system quality in Agile environments.

Skills

Backend data validation

SQL querying

Integration testing

API testing

Automation testing

CI/CD

Microservices

Log analysis

Agile testing

Kafka

Tools

Postman

SoapUI

Thunder Client

Selenium

Playwright

REST Assured

Robot Framework

Jenkins

Git

WSDL Weaver

Soap Sonar

Kafk a

Splunk

Argo

Job description

Cognizant seeks an experienced Test Lead for Data Validation & Integration Testing to drive end-to-end testing of complex payments and customer service systems. You will lead data validation, API testing, and data reconciliation across multiple platforms.

This hybrid role is based in Alpharetta, GA, requiring three days on-site per week. You will mentor teams, implement automation, and ensure data integrity through the transaction lifecycle.