norell@nrldcm.me:~$ whoami --full

NORELL D.
MANTILLA

Software Engineer // Backend & Full-Stack

10+ years building scalable, secure, high-performance systems. Currently engineering core banking and financial platforms — distributed, event-driven, and built to hold up under real load.

[ 0x00 ] // about

THE_ENGINEER

Software Engineer with 10+ years of professional experience designing and building scalable, secure, high-performance applications. Since 2016 I've specialized in C# and .NET, delivering enterprise-grade systems with a focus on clean architecture, maintainability, and performance.

Full-stack capable with Angular and NuxtJS on the front end. Currently in the fintech & banking domain, building core banking and financial systems with NestJS and TypeScript. I design event-driven, distributed architectures using Redis, RabbitMQ, and BullMQ for reliability, scalability, and fault tolerance in mission-critical systems.

role
software engineer — backend & full-stack
since
10+ years / C#-.NET since 2016
domain
fintech · banking · government systems
based
Philippines
status
open to new work

[ 0x01 ] // focus

WHAT_I_BUILD

01

Backend Engineering

APIs and distributed, event-driven systems — including core banking and financial platforms. Clear service contracts, resilient message pipelines, and data models built to stay correct under load and stay online when traffic spikes.

NestJSTypeScriptC# / .NET CoreTypeORM / EFRedisRabbitMQBullMQDockerMSSQL
02

Full-Stack Development

End-to-end delivery that bridges robust backends with modern, maintainable UIs. One engineer accountable from the data layer to the interface, so the seams between systems stay clean.

AngularNuxtJSTypeScriptASP.NET MVC / Core

[ 0x02 ] // stack

TOOLCHAIN

// languages & frameworks

C# ASP.NET (MVC / Core) .NET Core NestJS TypeScript Angular NuxtJS TypeORM Entity Framework

// infrastructure & data

BullMQ Redis RabbitMQ Docker MSSQL Server Git

// domains

Fintech Banking Government Systems

[ 0x03 ] // experience

TRACK_RECORD

git log --oneline
SEP 2025 — PRESENT

Mid Software Developer — Backend

Traxion Tech Inc. // Metro Manila
  • Backend modules for fintech & internal platforms: Give-Online Today, Baiyarin, TraxionPay.
  • Passthrough services & middleware across distributed, event-driven architectures.
  • Stack: NestJS, TypeScript, TypeORM, BullMQ, RabbitMQ, Redis, Docker.
2022 — 2024

C# Programmer / System Administrator

YB Software Inc. / Hiring4Less // USA, remote
  • Built web scrapers and web management tools in C#.
  • Scheduled jobs and automation with Quartz.NET.
  • Monitored server health & performance for reliability.
2021 — 2022

Web Developer

Well Connected Business Systems // Perth, Australia
  • Developed job-management system modules in C# / ASP.NET.
  • Translated client requirements into clean, maintainable code.
2016 — 2020

System Developer

Prov. Gov. of Davao del Norte & City Gov. of Panabo
  • Government systems: FMIS, HRIS, records & property management.
  • Built with C# / ASP.NET / AngularJS / VB.NET on MSSQL.

[ 0x04 ] // projects

SELECTED_BUILDS

professional // enterprise

E01

Give-Online Today

giveonlinetoday.com
Traxion Tech. Digital fundraising & donations platform for churches, charities, and NGOs — real-time campaign tracking and secure fund management.
open
E02

Baiyarin

baiyarin.ph
Fintech platform — Traxion Tech.
open
E03

Enterprise & Government Systems

case study
Financial Management Information System (FMIS), HRIS / Payroll, and a Quarry Management System for the Provincial Government of Davao del Norte, plus job-management systems for Australian clients. Built with C# / ASP.NET + AngularJS on MSSQL.
internal

[ 0x05 ] // education

CREDENTIALS

BS in Information Technology

AMA Computer Learning Center of Tagum College
★ Web Developer of the Year
2011 — 2015

[ 0x06 ] // contact

OPEN_A_CHANNEL

Building something that has to be reliable, secure, and ready to scale? Send the specifics — what it does, what's breaking, or what you want it to become. Short and technical is fine; I answer that fastest.

$ mail --to enable javascript to reveal address