Criston Mascarenhas
/ˈkrɪstən mæskəˈrɛnjəs/
Senior Software Engineer
I build accessibility platforms, developer tools, and small shipped products — browser automation, multi-tenant SaaS, native apps, and libraries that make real workflows reliable.
Writing
Latest articles on engineering and product craft.
A Safe Masked UAT Refresh Pipeline with Dokploy and Greenmask
How I set up a repeatable PostgreSQL UAT refresh flow that reads production, masks sensitive data with Greenmask, and restores only into a disposable UAT database.
12 min readBuilding a Production-Grade Accessibility Scanning Platform
An architectural deep-dive into A11yNow — the distributed web accessibility auditing backend I built at BarrierBreak. Browser pooling, distributed scheduling, multi-auth, error resilience, and a 600MB Docker image.
13 min read
Portfolio
6 products · 5 projectsWork
Products, developer tools, native apps, libraries, and experiments.
Career
7 rolesExperience
Role history, platform ownership, and technical leadership.
Articles
4 postsWriting
Articles, notes, and essays.
Philosophy
Karnataka, INAbout
Engineering philosophy, working style, and music.
© 2026 Criston Mascarenhas