Brave Leuterio
Hello, my name is

Brave Leuterio.

AI Full Stack Developer.

Building scalable fintech systems and AI-augmented workflows. 4+ years shipping Go microservices, Next.js frontends, and cloud infrastructure — now accelerating delivery with spec-driven AI development.

Say Hi →GitHub
40%+Faster Delivery
85%Fraud Reduction
50K+Daily Txns
4 yrsExperience
01.

About Me

I'm an AI Full Stack Developer with 4+ years building scalable fintech systems, real-time platforms, and cloud infrastructure. I've shipped Go microservices handling 50K+ daily transactions and Next.js frontends, now accelerating delivery further with AI-augmented, spec-driven development workflows.

My stack spans Go (goroutines, gRPC, actor model), Next.js, TypeScript, PostgreSQL, Redis, and GCP, but my real edge is knowing when and how to leverage AI tooling to ship faster without sacrificing quality. I bring a security-first mindset to every system I build, with fraud prevention and zero-downtime deployments as standard practice.

  • Go microservices & gRPC at scale
  • Next.js & React frontends
  • AI-augmented development (Claude Code, Cursor)
  • Fintech systems & fraud prevention
ai-dev-workflow.log
AI Automation FlowDiagram showing a webhook trigger feeding into an LLM process via Claude API, which outputs to an action (notify or store).TRIGGERWebhookLLM PROCESSClaude APIACTIONNotify / Store
02.

Experience

07/2025 — Present

AI Full Stack Developer

·Pisomind Inc. (formerly Creatizens Corp.)

Integrated payment gateway solutions and built core product infrastructure for seamless merchant transactions. Developed real-time dashboards surfacing live financial metrics and operational KPIs. Accelerated feature delivery by 40%+ through AI-augmented development workflows.

Next.jsTypeScriptGoCI/CDClaude Code
04/2023 — 07/2025

Full Stack Developer

·Creatizens Corp.

Migrated monolith to Next.js (React) / Angular + Go microservices handling 50K+ daily transactions. Built e-wallet, merchant, and admin UIs with real-time state management. Engineered fraud prevention system reducing incidents by 85%. Optimized PostgreSQL queries reducing latency by 70%; implemented Redis caching cutting DB load by 80%. Mentored junior developers improving team velocity by 25%.

GogRPCNext.jsReactAngularPostgreSQLRedisGCPDocker
05/2022 — 04/2023

Full Stack Developer

·Far Eastern University

Built a gamified student platform serving 10K+ students with learning portals and engagement mechanics. Designed an achievement engine processing 20K+ records. Engineered a real-time leaderboard capable of handling high concurrency without degrading the user experience.

ReactNode.jsMongoDBExpressReduxFirebase
03.

Skills & Technologies

Frontend

  • ▹Next.js
  • ▹React
  • ▹TypeScript
  • ▹Tailwind CSS
  • ▹SCSS/BEM
  • ▹Angular

Backend

  • ▹Go
  • ▹Node.js/Express
  • ▹gRPC
  • ▹RESTful APIs
  • ▹Microservices
  • ▹Event-Driven Architecture

Databases

  • ▹PostgreSQL
  • ▹MySQL
  • ▹MongoDB
  • ▹Redis
  • ▹Firestore

Cloud & DevOps

  • ▹GCP (Cloud Run, Pub/Sub, Firebase)
  • ▹Docker
  • ▹Terraform
  • ▹CI/CD

AI & Tooling

  • ▹Claude Code
  • ▹Cursor
  • ▹GitHub Copilot
  • ▹AI-Augmented Development
  • ▹Spec-Driven Workflows

Security

  • ▹JWT
  • ▹OAuth2
  • ▹MFA
  • ▹Hashing
  • ▹Encryption
04.

Projects I've Built

CS EXPO screenshot

CS EXPO

Event platform for FEU Tech graduating CS students to showcase their theses aimed at improving the community.

  • AstroJS
  • React
  • JavaScript
  • HTML/CSS
Flickify screenshot

Flickify

Music information platform inspired by Netflix. Uses Spotify API for authenticated access to personal music libraries and album search.

  • React
  • Redux
  • Spotify API
  • SCSS
Rioflix screenshot

Rioflix

Movie information platform with Netflix aesthetics. Includes lists of movies, documentaries, and series with Firebase auth and Jest testing.

  • React
  • Firebase
  • MUI
  • SCSS
  • Jest
Trade-Off screenshot

Trade-Off

Barter system where users exchange goods without money. Built with CodeIgniter4 MVC pattern, developed collaboratively.

  • PHP
  • CodeIgniter
  • MySQL
  • VanillaJS
05.

Other Notable Projects

KnowYourPlate demo

KnowYourPlate

Thesis that represented FEU Tech at an international CS conference. Mobile app using ML to predict health diseases from diet records.

  • Flutter
  • Firebase
  • Bloc
Tinkler demo

Tinkler

Social media app with light/dark mode built in Flutter. Users can post updates and follow others.

  • Flutter
  • Firebase
  • Cache
Bizz demo

Bizz

E-commerce app in Flutter/Dart for buying and selling clothes. Users can become seller members.

  • Flutter
  • Firebase
  • Stacked
View more on GitHub →
06.

Get In Touch

Drop a Line

I'm always interested in hearing about new projects and opportunities. Feel free to reach out if you have any questions or want to collaborate.

Say Hi →