Senior API Migration Test Lead - Automation & Performance

CoSourcing Partners Inc.; Dallas, San Antonio (TX, TX); Hybrid; USD 120,000 - 170,000; Full time

Job summary

Global Professional Services Organization is seeking an API Migration Test Lead to drive testing strategy for a major transportation client migration. You will lead hands‑on testing of REST and SOAP APIs, ensure data and integration fidelity, and oversee defect management and readiness decisions.

The role requires strong technical testing capability, client‑facing communication, and coordinating across engineering, infrastructure, and business stakeholders in a hybrid on‑site setting.

Qualifications

• Experience leading API testing in migration projects.
• Strong knowledge of REST and SOAP APIs and data behavior.
• Ability to design, execute and troubleshoot API tests and automation.

Responsibilities

• Establish and execute the API migration test strategy.
• Lead hands-on testing of REST and SOAP services using Postman.
• Build, maintain and expand automated and performance tests for migration readiness.

Skills

API testing

REST & SOAP

Postman

Test automation

Performance testing

Stakeholder communication

Tools

Postman

Job description

Global Professional Services Organization is seeking an API Migration Test Lead to drive testing strategy for a major transportation client migration. You will lead hands‑on testing of REST and SOAP APIs, ensure data and integration fidelity, and oversee defect management and readiness decisions.

The role requires strong technical testing capability, client‑facing communication, and coordinating across engineering, infrastructure, and business stakeholders in a hybrid on‑site setting.