She was appointed by President Rodrigo Duterte replacing Associate Justice Noel Tijam.

Lazaro-Javier graduated magna cum laude from the Philippine Normal College in 1977[1] with a Bachelor of Science in education.

She received her law degree from the University of Santo Tomas.

[4] In June 2017, Lazaro-Javier was under consideration to replace Associate Justice Bienvenido Reyes.

[2] Again in June 2018, Lazaro-Javier was under consideration to replace Presbitero J. Velasco Jr.[5] On December 7, 2018, her name was once again submitted for a vacancy left by the retirement of Noel Tijam, and was finally appointed.