Peace Melodi

Backend Software Engineer engineering scalable, high concurrency systems. I care about performance, reliability, and getting the architecture right.

Nigeria Joined on Aug 22, 2023 peacemelodi1@gmail.com https://github.com/PeaceMelodi

Work

Backend Software Engineer

Peace Melodi

Jul 19

Three things I would tell any NestJS developer before they write their first banking fraud detection rule

#nestjs #fintech #backend #typescript

4 min read

Want to connect with Peace Melodi?

Create an account to connect with Peace Melodi. You can also sign in below to proceed if you already have an account.

Create Account

Already have an account? Sign in

Peace Melodi

Jul 17

Four things I would check first with NestJS if a bank's API kept leaking sensitive data

#nestjs #fintech #backend #typescript

4 min read

Peace Melodi

Jul 17

A founder once asked me why refunds kept disappearing, here is what NestJS was actually doing

#nestjs #fintech #backend #typescript

4 min read

Event sourcing and hidden race conditions

Peace Melodi

Jul 17

I reviewed a NestJS fintech backend where the numbers never quite matched, this is the fix

#nestjs #fintech #backend #typescript

5 min read

Peace Melodi

Jul 16

If a bank hired me to fix their webhook handling, here is how NestJS would help me start

#nestjs #fintech #backend #typescript

4 min read

Peace Melodi

Jul 16

Here is how I would use NestJS to stop one fraud check from freezing an entire fintech platform

#nestjs #fintech #backend #typescript

4 min read

Peace Melodi

Jul 14

What Your NestJS Backend Should Notice Before a Human Ever Does

#nestjs #fintech #security #backend

5 min read

Peace Melodi

Jul 14

NestJS Had Three Seconds to Decide if This Payment Was Fraud

#nestjs #fintech #typescript #backend

5 min read

Peace Melodi

Jul 13

How to Validate ISO 20022 Payment Messages in NestJS Before Money Moves

#nestjs #fintech #typescript #backend

4 min read

Peace Melodi

Jul 13

The Second Your Money Changes Currency, NestJS Has to Catch Up

#nestjs #fintech #typescript #backend

5 min read

Peace Melodi

Jul 13

NestJS Remembers Consent Long After the Customer Forgets

#nestjs #fintech #security #backend

4 min read

Peace Melodi

Jul 13

A Bank Learned the Hard Way What Section 1033 Actually Demands, NestJS Made It Easier

#nestjs #fintech #security #backend

5 min read

Peace Melodi

Jul 12

I Built a NestJS Banking Ledger That Cannot Be Overdrawn, Even Under Concurrent Requests

#nestjs #fintech #postgres #backend

5 min read

Peace Melodi

Jul 10

Reconciliation in NestJS, How to Make Sure Your Ledger and the Bank Never Quietly Disagree

#nestjs #fintech #typescript #backend

4 min read

Peace Melodi

Jul 10

Why Check Then Act Is the Silent Killer in Banking Backends, and How NestJS Prevents It

#nestjs #fintech #typescript #backend

4 min read

Peace Melodi

Jul 8

Idempotency in NestJS, and Why Your Transaction ID Is Not Always Enough

#nestjs #fintech #typescript #backend

4 min read

Peace Melodi

Jul 8

How NestJS Handles Ingestion Boundaries When Transaction Data Comes From an External Bank API

#nestjs #fintech #typescript #backend

5 min read

Peace Melodi

Jul 7

Real Time Delivery Tracking in Logistics, and Why NestJS Handles It Well

#nestjs #websockets #logistics #backend

3 min read

Peace Melodi

Jul 6

NestJS Fits Perfectly Into Modern Accounting and Invoicing Software, Here Is Why

#nestjs #accounting #backend #typescript

3 min read

Peace Melodi

Jul 6

How NestJS Microservices Handle High Traffic Ecommerce Systems

#nestjs #ecommerce #microservices #performance

3 min read

Peace Melodi

Jul 6

Building Multi Tenant SaaS Architecture With NestJS

#nestjs #saas #architecture #backend

4 min read

Peace Melodi

Jul 6

Why NestJS Is a Strong Fit for HIPAA Compliant Healthcare Systems

#nestjs #healthcare #backend #security

3 min read

Peace Melodi

Jul 6

How NestJS Handles Secure Transactions in Banking Applications

#nestjs #backend #fintech #typescript

4 min read

Peace Melodi

Jul 5

How Small Businesses Lose Money From a Backend They Didn't Know Was Weak

#backend #startup #webdev #node

3 min read

Peace Melodi

Jul 3

What I learned building create-nest-pro, an open source CLI tool that scaffolds a production ready NestJS project in seconds.

#nestjs #opensource #backenddevelopment #node

2 min read

Peace Melodi

Jun 28

I Built a CLI Tool That Scaffolds a Production Ready NestJS Project in Seconds

#nestjs #opensource #node #docker

2 min read

Peace Melodi

Jun 28

How I Built a Production Ready Microservice Notification System with NestJS, Redis, Bull Queues, and Docker

#nestjs #docker #postgres #redis

2 min read

Peace Melodi

Jun 28

Building a Production Grade Authentication System with NestJS

#nestjs #node #typescript #backenddevelopment

2 min read

DEV Community

Peace Melodi

Badges

1 Week Community Wellness Streak

Writing Debut

Two Year Club

One Year Club

Skills/Languages

Currently learning

Currently hacking on

Available for

Three things I would tell any NestJS developer before they write their first banking fraud detection rule

Want to connect with Peace Melodi?

Four things I would check first with NestJS if a bank's API kept leaking sensitive data

A founder once asked me why refunds kept disappearing, here is what NestJS was actually doing

I reviewed a NestJS fintech backend where the numbers never quite matched, this is the fix

If a bank hired me to fix their webhook handling, here is how NestJS would help me start

Here is how I would use NestJS to stop one fraud check from freezing an entire fintech platform

What Your NestJS Backend Should Notice Before a Human Ever Does

NestJS Had Three Seconds to Decide if This Payment Was Fraud

How to Validate ISO 20022 Payment Messages in NestJS Before Money Moves

The Second Your Money Changes Currency, NestJS Has to Catch Up

NestJS Remembers Consent Long After the Customer Forgets

A Bank Learned the Hard Way What Section 1033 Actually Demands, NestJS Made It Easier

I Built a NestJS Banking Ledger That Cannot Be Overdrawn, Even Under Concurrent Requests

Reconciliation in NestJS, How to Make Sure Your Ledger and the Bank Never Quietly Disagree

Why Check Then Act Is the Silent Killer in Banking Backends, and How NestJS Prevents It

Idempotency in NestJS, and Why Your Transaction ID Is Not Always Enough

How NestJS Handles Ingestion Boundaries When Transaction Data Comes From an External Bank API

Real Time Delivery Tracking in Logistics, and Why NestJS Handles It Well

NestJS Fits Perfectly Into Modern Accounting and Invoicing Software, Here Is Why

How NestJS Microservices Handle High Traffic Ecommerce Systems

Building Multi Tenant SaaS Architecture With NestJS

Why NestJS Is a Strong Fit for HIPAA Compliant Healthcare Systems

How NestJS Handles Secure Transactions in Banking Applications

How Small Businesses Lose Money From a Backend They Didn't Know Was Weak

What I learned building create-nest-pro, an open source CLI tool that scaffolds a production ready NestJS project in seconds.

I Built a CLI Tool That Scaffolds a Production Ready NestJS Project in Seconds

How I Built a Production Ready Microservice Notification System with NestJS, Redis, Bull Queues, and Docker

Building a Production Grade Authentication System with NestJS