For several years worked on different aspects related to the improvement and automation of software testing.

- Integrating techniques and tools for testing automation. Macario Polo, Sergio Tendero, Mario Piattini. Softw. Test. Verification Reliab. 17(1): 3-39 (2006).

Worked with different companies on test automation for SMACT (Social, Mobile, Analytics, Cloud and Internet of Things) applications.

· Automated generation of oracled test cases with regular expressions and combinatorial techniques. Macario Polo, Oscar Pedreira, Ángeles Saavedra Places, Ignacio García Rodríguez de Guzmán. J. Softw. Evol. Process. 32(12) (2020).
· Proyecto SMACTesting: Tecnologías para la automatización total de las pruebas en sistemas SMACT.