[8BE] Senior QA Engineer

Software Mind Americas

11h

About The Position

Software Mind is partnering with a leading US-based promotional products and e-commerce company to build a new shipping and delivery service for its white-label B2B commerce platform. The platform is built on Shopify Plus, with a .NET microservices backend on AWS, and the service integrates with major shipping carriers, the storefront, and existing order management systems. The engagement includes a discovery phase followed by two-week sprints through production release. The Senior QA Engineer will define the test strategy, quality metrics, and test approach during discovery; derive test cases from acceptance criteria; validate APIs, business rules, integrations, asynchronous workflows, and end-to-end e-commerce scenarios; and build automated API and regression suites for CI/CD. The role also includes testing web admin interfaces and coordinating with client and partner QA teams on defect triage, UAT support, and release-readiness sign-off.

Requirements

At least 5 years of software QA experience, including at least 3 years of API and integration test automation.
Strong REST API testing skills, including JSON, OpenAPI/Swagger, and Postman or code-based frameworks.
Test automation experience in C#/.NET (xUnit/NUnit, Reqnroll/SpecFlow) or TypeScript (Playwright).
Experience testing asynchronous, event-driven systems such as AWS SQS/SNS or equivalent.
Rigorous test design skills, including decision tables, boundary values, and equivalence partitioning.
Experience integrating automated tests into CI/CD pipelines.
Defect and test management experience in Jira, using Xray, Zephyr, or similar.
Experience coordinating with client-side QA and supporting UAT in multi-vendor projects.
Excellent written and spoken English for daily client interaction.

Nice To Haves

E-commerce checkout testing, ideally on Shopify.
Experience with shipping or carrier APIs.
Performance and load testing using k6 or JMeter.
Contract testing, such as Pact.
AI-assisted test design and test-case generation.

Responsibilities

Define the test strategy, quality metrics, and test approach during discovery.
Derive test cases from acceptance criteria in collaboration with the Business Analyst.
Test REST APIs end-to-end, including functional, contract, negative, and boundary scenarios.
Validate business-rule logic, including date/time and edge-case scenarios.
Run integration tests against third-party APIs and sandboxes, including error and timeout handling.
Test event-driven, asynchronous flows, including queues, retries, and error handling.
Execute end-to-end e-commerce scenarios across the storefront, backend services, and downstream systems.
Build and maintain automated API and regression suites running in CI/CD.
Test web admin interfaces.
Coordinate with client and partner QA teams; drive defect triage, UAT support, and release-readiness sign-off.