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Double-Entry Ledger Design for Software Engineers

Double-Entry Ledger Design for Software Engineers

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2 min read
Splitting Polish statutory interest across central bank rate changes

Splitting Polish statutory interest across central bank rate changes

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3 min read
Reliability Engineering for Financial Services: Why 99.99% Is a Regulatory Floor, Not a Goal

Reliability Engineering for Financial Services: Why 99.99% Is a Regulatory Floor, Not a Goal

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12 min read
AI in fintech: use cases that work in production

AI in fintech: use cases that work in production

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5 min read
The audit-trail problem hiding in your FIX connectivity layer

The audit-trail problem hiding in your FIX connectivity layer

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4 min read
Building a Financial Document OCR with Claude Vision API: Lessons from Production

Building a Financial Document OCR with Claude Vision API: Lessons from Production

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5 min read
What Financial Services Taught Me About Saying No

What Financial Services Taught Me About Saying No

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4 min read
Level 2/3 interchange data: how B2B card payments qualify for lower rates

Level 2/3 interchange data: how B2B card payments qualify for lower rates

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3 min read
What Durable Actually Means for Money-Critical Code

What Durable Actually Means for Money-Critical Code

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3 min read
Six queries, three runs, every mean 8 — and the fine-tune wasn't why

Six queries, three runs, every mean 8 — and the fine-tune wasn't why

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6 min read
I Looked Under the Hood of a Fintech Backend and Found Debits That Did Not Match Credits

I Looked Under the Hood of a Fintech Backend and Found Debits That Did Not Match Credits

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4 min read
A Bank Wanted to Use AI to Approve Loans Faster, Here Is What I Would Build Around It in NestJS

A Bank Wanted to Use AI to Approve Loans Faster, Here Is What I Would Build Around It in NestJS

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4 min read
What a forged bank statement looks like at the byte level

What a forged bank statement looks like at the byte level

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7 min read
I built an AI-first bank statement converter. The one rule that stopped it lying to me.

I built an AI-first bank statement converter. The one rule that stopped it lying to me.

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4 min read
The Quiet Risk in How Most Banks Store Customer Documents, and How NestJS Handles It Properly

The Quiet Risk in How Most Banks Store Customer Documents, and How NestJS Handles It Properly

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Comments 2
4 min read
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