Calvin

Backend systems, internal platforms, automation, data workflows, and AI infrastructure for teams that need software to hold up in production.

Production-minded software, kept legible.

IamCalvin,asoftwareengineer.Ibuildbackendsystems,internaltools,andAI-assistedproductsthatmakeoperationseasiertorun.

Built work with receipts.

Projects with source-backed proof.

Event-driven services, access-controlled product architecture, and operational tools.

Apex Setup Vault

Rider-owned setup history with immutable sessions and Postgres-enforced privacy.

  • FastAPI
  • SQLAlchemy
  • PostgreSQL
  • Supabase Auth
Clearance

Event-driven authorization with idempotency, retries, and immutable ledger writes.

  • Go
  • PostgreSQL
  • Redis
  • Redpanda
Source on GitHub
Properly

Tenant-scoped operations with cents-safe accounting and private file handling.

  • FastAPI
  • Next.js
  • PostgreSQL
  • Supabase
Source on GitHub

Proof lives in the architecture.

Proof that holds.

RLS

Data owns the boundary.

JWT claims meet Postgres RLS, so privacy survives new routes.

OUTBOX

Events keep receipts.

Outbox and idempotency keep async work replayable.

R2

Files stay scoped.

Uploads stay tenant-bound before storage is trusted.

Production habits.

Work that stays clear.

Breef

Production backend and AI evaluation work.

Django, PostgreSQL, OpenAI API integrations, production sampling, review tracking, and query work across customer-facing API paths.

IBM

Internal research tooling.

React and TypeScript applications, REST API integration, and JWT-backed workflows for UX research teams.

Colorado School of Mines

Computer Science, Data Science focus.

B.S. Computer Science, 2026. Secondary focus on Data Science.