Writing
Notes from the work
Thoughts about software engineering, architecture, distributed systems, and things I'm learning.
2026
- Billing Is a Workflow, Not a Number
What I learned delivering usage-based billing and a platform-credit wallet, then reconciling the first production cycle.
- Changing an Identifier Format Without Breaking Integrations
A practical approach to supporting alphanumeric CNPJ values while preserving existing numeric identifiers.
- From Product Goal to a Self-Service API
Lessons from taking VTEX Rise account provisioning from technical discovery and API contracts through rollout and production validation.