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Modeling three markets (BR / US / Crypto) with one rebalancing engine

Modeling three markets (BR / US / Crypto) with one rebalancing engine

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3 min read
Modelando trĂŞs mercados (BR / US / Cripto) com um sĂł motor de rebalanceamento

Modelando trĂŞs mercados (BR / US / Cripto) com um sĂł motor de rebalanceamento

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4 min read
Money in a Parking App: Paise, Basis Points and a Ledger Postgres Won't Let You Edit

Money in a Parking App: Paise, Basis Points and a Ledger Postgres Won't Let You Edit

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5 min read
I built an API that checks whether SEC financial data adds up

I built an API that checks whether SEC financial data adds up

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4 min read
Building a Stock Token Trading Terminal on Robinhood Chain with TypeScript

Building a Stock Token Trading Terminal on Robinhood Chain with TypeScript

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10 min read
Building ACH Return Code Handling Into Your Payout System

Building ACH Return Code Handling Into Your Payout System

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3 min read
Write a Python function once, call it from anywhere

Write a Python function once, call it from anywhere

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2 min read
I'm building an open-source, Pix-inspired instant-payment foundation in Rust - and it needs contributors

I'm building an open-source, Pix-inspired instant-payment foundation in Rust - and it needs contributors

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5 min read
How to Convert CSV or Excel to a NACHA ACH File — and Validate It Before Upload

How to Convert CSV or Excel to a NACHA ACH File — and Validate It Before Upload

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7 min read
Custodial ETH withdrawals: the nonce is a database row, not a node call

Custodial ETH withdrawals: the nonce is a database row, not a node call

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7 min read
Getting Paid Faster Starts Before You Send the Invoice

Getting Paid Faster Starts Before You Send the Invoice

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2 min read
A Small Fintech Challenge, and Why I Let Postgres Hold the Money

A Small Fintech Challenge, and Why I Let Postgres Hold the Money

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4 min read
The only safe failure state for an outbound payout is unknown

The only safe failure state for an outbound payout is unknown

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6 min read
Expense Report Fraud Detection: The Altered Receipt PDF Your Controls Never Inspect

Expense Report Fraud Detection: The Altered Receipt PDF Your Controls Never Inspect

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12 min read
Building The Apex Calc: A Fast, Ad-Free Financial & Amortization Utility

Building The Apex Calc: A Fast, Ad-Free Financial & Amortization Utility

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1 min read
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