Archive

99 posts published so far

Nested Accounts in a Go Ledger: Rolling Up Balances Without Storing One

Sohag Hasan

Jul 12, 2026

The Exchange Rate Was Hiding in an Environment Variable

Sohag Hasan

Jul 11, 2026

I Audited My Own Ledger Like a Fintech Expert. It Failed.

Sohag Hasan

Jul 10, 2026

Multi-Currency and FX in a Go Ledger: Keeping Double-Entry Honest Across Currencies

Sohag Hasan

Jul 9, 2026

I Push to Main and Ninety Seconds Later It Is Live. Here Is Every Step in Between.

Sohag Hasan

Jul 9, 2026

The Server Lived in My Head. This Week I Wrote It Down.

Sohag Hasan

Jul 8, 2026

I Audited My Own Payment Ledger Like It Held Real Money. The Front Door Was Wide Open.

Sohag Hasan

Jul 8, 2026

The Claude Code Setup I Actually Use: 28 Plugins, Skills, and MCPs Worth Your Time

Sohag Hasan

Jul 7, 2026

Testing a Payment Ledger End to End: Unit, Property, Chaos, and Load

Sohag Hasan

Jul 7, 2026

Distributed Tracing for a Go Service: One Request, One Thread You Can Pull

Sohag Hasan

Jul 2, 2026

Adding gRPC to a Go Ledger Service: Why Both REST and gRPC, and How to Share the Domain

Sohag Hasan

Jul 2, 2026

Idempotency Keys and the Immutable Audit Log: Two Patterns That Make Fintech APIs Boring (In a Good Way)

Sohag Hasan

Jun 29, 2026

Designing a REST API for a Payment Ledger: Resources, Verbs, and Why I Avoided GraphQL

Sohag Hasan

Jun 29, 2026

Atomic Transaction Posting in Go: Getting Balance Invariants Right Under Concurrency

Sohag Hasan

Jun 29, 2026

Postgres Schema for a Multi-Tenant Ledger: The Trade-offs No One Talks About

Sohag Hasan

Jun 15, 2026

Modeling Double-Entry Accounting in Go: Types That Make Invariants Impossible to Violate

Sohag Hasan

Jun 11, 2026

Why I'm Building a Production Go Payment Ledger (And You Should Too)

Sohag Hasan

Jun 4, 2025

Starlink + ISP Failover Setup

Sohag Hasan

May 5, 2025

How to Deploy a Next.js App on cPanel

Sohag Hasan

Mar 27, 2025

My Essential VSCode Extensions

Sohag Hasan

Mar 18, 2025

Building Your Cloud Home: A Step-by-Step Guide to AWS VPC Architecture

Sohag Hasan

Mar 18, 2025

Decoding AWS Network Lingo: A Beginner's Guide to VPCs, Subnets, and Gateways

Sohag Hasan

Archive

Big Problem With Your List: You Ain't on It

I Built a Production Go Payment Ledger in 14 Weeks. Here's What I'd Do Differently.

Approval Workflows and an Outbox Event Stream in Go: Eventing Without Kafka

Nested Accounts in a Go Ledger: Rolling Up Balances Without Storing One

The Exchange Rate Was Hiding in an Environment Variable

I Audited My Own Ledger Like a Fintech Expert. It Failed.

Multi-Currency and FX in a Go Ledger: Keeping Double-Entry Honest Across Currencies

I Push to Main and Ninety Seconds Later It Is Live. Here Is Every Step in Between.

The Server Lived in My Head. This Week I Wrote It Down.

I Audited My Own Payment Ledger Like It Held Real Money. The Front Door Was Wide Open.

The Claude Code Setup I Actually Use: 28 Plugins, Skills, and MCPs Worth Your Time

Testing a Payment Ledger End to End: Unit, Property, Chaos, and Load

Distributed Tracing for a Go Service: One Request, One Thread You Can Pull

Adding gRPC to a Go Ledger Service: Why Both REST and gRPC, and How to Share the Domain

Idempotency Keys and the Immutable Audit Log: Two Patterns That Make Fintech APIs Boring (In a Good Way)

Designing a REST API for a Payment Ledger: Resources, Verbs, and Why I Avoided GraphQL

Atomic Transaction Posting in Go: Getting Balance Invariants Right Under Concurrency

Postgres Schema for a Multi-Tenant Ledger: The Trade-offs No One Talks About

Modeling Double-Entry Accounting in Go: Types That Make Invariants Impossible to Violate

Why I'm Building a Production Go Payment Ledger (And You Should Too)

Starlink + ISP Failover Setup

How to Deploy a Next.js App on cPanel

My Essential VSCode Extensions

Building Your Cloud Home: A Step-by-Step Guide to AWS VPC Architecture

Decoding AWS Network Lingo: A Beginner's Guide to VPCs, Subnets, and Gateways

Command Palette

Big Problem With Your List: You Ain't on It

I Built a Production Go Payment Ledger in 14 Weeks. Here's What I'd Do Differently.

Approval Workflows and an Outbox Event Stream in Go: Eventing Without Kafka

Nested Accounts in a Go Ledger: Rolling Up Balances Without Storing One

The Exchange Rate Was Hiding in an Environment Variable

I Audited My Own Ledger Like a Fintech Expert. It Failed.

Multi-Currency and FX in a Go Ledger: Keeping Double-Entry Honest Across Currencies

I Push to Main and Ninety Seconds Later It Is Live. Here Is Every Step in Between.

The Server Lived in My Head. This Week I Wrote It Down.

I Audited My Own Payment Ledger Like It Held Real Money. The Front Door Was Wide Open.

The Claude Code Setup I Actually Use: 28 Plugins, Skills, and MCPs Worth Your Time

Testing a Payment Ledger End to End: Unit, Property, Chaos, and Load

Distributed Tracing for a Go Service: One Request, One Thread You Can Pull

Adding gRPC to a Go Ledger Service: Why Both REST and gRPC, and How to Share the Domain

Idempotency Keys and the Immutable Audit Log: Two Patterns That Make Fintech APIs Boring (In a Good Way)

Designing a REST API for a Payment Ledger: Resources, Verbs, and Why I Avoided GraphQL

Atomic Transaction Posting in Go: Getting Balance Invariants Right Under Concurrency

Postgres Schema for a Multi-Tenant Ledger: The Trade-offs No One Talks About

Modeling Double-Entry Accounting in Go: Types That Make Invariants Impossible to Violate

Why I'm Building a Production Go Payment Ledger (And You Should Too)

Starlink + ISP Failover Setup

How to Deploy a Next.js App on cPanel

My Essential VSCode Extensions

Building Your Cloud Home: A Step-by-Step Guide to AWS VPC Architecture

Decoding AWS Network Lingo: A Beginner's Guide to VPCs, Subnets, and Gateways