LTM is a global technology consulting and digital solutions company that helps organizations accelerate digital transformation through cloud, data, AI, enterprise applications, and modern engineering solutions.

We are looking for an experienced QA / Functional Test Engineer with strong hands-on experience in Functional Testing, UAT, Regression Testing, Microservices, and API Testing.

Location- Mexico (Remote)

Key Responsibilities:

- Review business requirements, user stories, and acceptance criteria to create effective test scenarios and test cases.
- Plan and execute Functional, Integration, System, End-to-End, UAT, and Regression Testing.
- Support User Acceptance Testing (UAT), working closely with business users and Product Owners.
- Build and maintain reusable regression test suites for critical business workflows.
- Test microservices and REST APIs, including service-to-service communication, data flow, authentication, error handling, and integrations.
- Validate API requests/responses, HTTP status codes, headers, JSON/XML payloads, and API contracts.
- Use tools such as Postman, Swagger/OpenAPI, and SoapUI for API and service testing.
- Perform positive, negative, boundary, and exception testing.
- Create, track, and manage defects using Jira, Azure DevOps, Zephyr, Xray, or similar tools.
- Retest resolved defects and perform regression validation.
- Use SQL for backend and data validation.
- Collaborate with developers, Product Owners, business stakeholders,



and cross-functional teams.
- Participate in Agile ceremonies, including sprint planning, backlog refinement, stand-ups, defect triage, and release readiness.
- Prepare test execution reports, defect summaries, test evidence, and overall quality status.

Required Skills:

- Strong experience with Functional Testing, UAT, Regression, Integration, and End-to-End Testing
- Hands-on experience testing Microservices and REST APIs
- Experience with Postman, Swagger/OpenAPI, or SoapUI
- Good understanding of HTTP/HTTPS, REST, JSON, XML, API authentication, status codes, and request/response structures
- Experience creating test plans, test cases, test scenarios, test data, and defect reports
- Experience with Jira, Azure DevOps, Zephyr, Xray, or similar tools
- Working knowledge of SQL for backend/data validation
- Good understanding of Agile/Scrum methodologies
- Strong analytical, troubleshooting, documentation, and communication skills

Idóneo Candidate

You’ll be a strong fit if you have hands-on experience testing complex applications and APIs, enjoy working closely with both technical and business teams, and are comfortable owning testing activities from requirements analysis through UAT and release.

Benefits

- Law benefits and permanent contract
- Higher medical expenses and life insurance
- Food vouchers
- Work-from-home allowance
- Equipment provided by the company

📌 Functional Tester (México)
🏢 Ltm
📍 México