Miratech helps visionaries change the world. We are a integral IT services and consulting company that brings together enterprise and start-up innovation. Today, we support digital transformation for some of the world's largest enterprises. By partnering with both large and small players, we stay at the leading edge of technology, remain nimble even as a global leader, and create technology that helps our clients further enhance their business. We are a values-driven organization, and our culture of Relentless Performance has enabled over 99% of Miratech's engagements to succeed by meeting or exceeding our scope, schedule, and/or budget objectives since our inception in 1989.

Miratech has coverage across 5 continents and operates in over 25 countries around the world. Miratech retains nearly 1000 full-time professionals, and our annual growth rate exceeds 25%.

Job Description
We are looking for a
Senior QA Automation Engineer




with strong expertise in both manual and automated testing to join our team and contribute to the development of a new unified enterprise platform for a B2B communications provider. The platform consolidates multiple legacy customer portals into a single solution that supports the full commercial lifecycle for telecom customers.

Responsibilities:
- Own end-to-end quality assurance, including test strategy, test case design, and acceptance validation
- Perform manual and exploratory testing of new features in fast-changing (greenfield) environments where early automation is not optimal
- Gradually design, build, and maintain automated test suites for stabilized functionality, including UI, API, integration, and E2E tests
- Define and maintain a regression testing approach, starting with manual smoke testing and evolving into automated regression coverage focused on high-risk areas (auth, number purchase, porting, billing)
- Conduct API and integration testing across external systems such as carrier platforms, ServiceNow, billing APIs, and Cogni

📌 Senior QA Automation Engineer (Buenos Aires)
🏢 Miratech
📍 Buenos Aires