skip to content
vaibhav.vanage
← all work
experience

Bajaj Finserv Health (Intern)

Backend Technology Intern — data privacy, backend APIs, security.

BackendWeb PentestDevSecOpscross-domain

Backend engineering, data privacy, and security automation on enterprise platforms. Built dynamic data masking for MySQL/PostgreSQL, backend APIs in NestJS, and found a critical OAuth authorization-bypass in an internal application.

role
Backend Technology Intern
org
Bajaj Finserv Health
period
Jan 2025 – Jul 2025
impact
Data masking for DPDP compliance; critical OAuth auth-bypass finding.
stack
NestJSPostgreSQLMySQLTypeORMProxySQLpg_anonymizer

// connections

Dynamic Data Maskingproject
Critical OAuth Auth-Bypassachievement
see this in the graph