PORTFOLIO / 2026

Carlos
Zapata

I build AI-powered finance and operations systems that get schools and businesses paid faster. Founder of StudentFlow, Aptus Collect and Dist Corpus · Fractional CTO for AI, Finance & Operations.

Founder
Greater Chicago Area
CURRENTLY
Founder
@ Aptus Collect
Oct 2026 — Present
FOCUS
Artificial Intelligence (AI)Accounts Receivable (AR)Operations ManagementWorkflow AutomationPayments

Work Experience

Jan 2014 — Present
2026

Founder

Aptus Collect • Chicago, Illinois, United States · Remote

Collections on autopilot: reminders, one-tap payments, payment plans, recovery and reconciliation.

  • •Built the collections platform end to end, from data model to customer-facing payment flows
  • •Engineered onboarding that turns a single invoice export into live, reconciled accounts
  • •Developed a multi-channel reminder engine (SMS and email) using the Claude API to personalize messages in the client's voice, stopping automatically on payment
  • •Shipped one-tap pay links with self-serve payment plans governed by client-defined rules
  • •Automated reconciliation with deterministic matching of every payment to its invoice
  • •API-first architecture designed to integrate with or replace existing billing systems, with no vendor lock-in
2026

Founder

Dist Corpus • Chicago, Illinois, United States · Remote

AI file clerk for school districts. Every answer is cited to the source page.

  • •Built a document ingestion pipeline (OCR, parsing and embeddings) for budgets, audits, levies, board minutes and state reports
  • •Designed an ontology linking districts, documents, metrics and fiscal periods, backed by a validated facts registry so figures come from verified data, never from the model
  • •Developed a multi-tenant RAG system on the Claude API with isolated vector workspaces per district
  • •Shipped an MCP server that connects to Claude, ChatGPT, Copilot and Gemini, returning citation references to the exact source page
2024

Founder & CEO

StudentFlow • Chicago, Illinois, United States · Remote

Founded and led StudentFlow, an innovative PK-12 operations platform focused on billing, payments, programs, and family communication.

  • •Designed and implemented end-to-end solutions encompassing product development, architecture, and go-to-market strategies.
  • •Achieved significant operational efficiencies, saving over 80 hours per billing batch and accelerating billing cycles by up to 6 weeks.
2024

Fractional CTO: AI, Finance & Operations

Self-employed • Chicago, Illinois, United States · Remote

AI, accounts receivable and operations systems for hospitality, healthcare, consumer brands and public institutions.

  • •Discovery first: I interview your team and get close to the operation to find the real pain points
  • •AI that's deterministic by design: ontology-based systems, validated data, no guesswork
  • •Integrate or replace: built around your current tools, with no vendor lock-in
  • •Clients get back 15 to 30+ admin-hours a week. Every milestone shipped on schedule.
2020

Operations & Digital Growth Lead

Esme Chicago • Chicago, Illinois, United States

Co-led daily operations of a $2M+ Michelin-starred restaurant; earned a Michelin star in year one.

  • •Led and trained the service team on standards, guest experience and operations
  • •Launched a membership program with seasonal prix fixe ticket promotions, generating $250K+ in revenue; led design and strategy alongside the owners and shareholders
  • •Built the restaurant's websites and membership system
2014

Hospitality Operations Leader & Consultant

Michelin-Starred & Luxury Resort Hospitality • Contract

Co-founder of Bardot, then contract operations leadership at The French Laundry (3★ Michelin), Vail Resorts – Beaver Creek, Gruppo Chiarello and Mission Point Resort.

  • •Co-founded and launched a restaurant and bar from zero: operations, hiring, systems and launch
  • •Ran service operations for up to 400 guests a day in $5–20M operations
  • •Implemented and integrated POS, accounting, purchasing and scheduling systems
  • •Owned P&L review, payroll accuracy and daily finance reporting
  • •Built and led training programs for teams of 25+

GitHub Activity

CONTRIBUTIONS
@czapata08
3249 contributions in the last 12 months

Tech Stack

Frontend

ReactNext.jsShadCNTailwind CSS

Backend/API

Claude APIModel Context Protocol (MCP)SupabaseNext Safe ActionsTrigger.dev

Database

PostgreSQLRedis

Infrastructure

TurborepoVercel

Payments

Stripe

Communications

ResendTwilio

Monitoring

Sentry

Dev Tools

CursorClaude CodeCodexV0

Let's Connect

KEY ACCOMPLISHMENTS
  • •StudentFlow: $1.8M+ in payments processed, 80+ hours saved per billing cycle, billing up to 6 weeks faster
  • •Consulting clients get back 15 to 30+ admin-hours a week, with every milestone shipped on schedule
  • •Earned a Michelin star in year one at Esme Chicago
  • •3★ Michelin service at The French Laundry
  • •MIT xPRO Full Stack Development, grade 100%
ELSEWHERE
EDUCATION
MIT xPRO
Full Stack Development • Computer Science
Jan 2022 — Jan 2023
University of Iowa
Bachelor of Business Administration (BBA) • Entrepreneurship & Management
2014 — 2017
© 2026 Carlos Zapata. All rights reserved.