LF
Portrait of Luis Fernando

Software Engineer · 5+ years

Luis Fernando

Backend · AI · Cloud

Building production-grade software systems with Node.js, Python, Go, and cloud-native technologies.

Brazil · Remote

Get in touch

01 / Work

Selected Work

Node.js Microservices

Event-driven microservices architecture designed around independent services, asynchronous messaging, and distributed observability.

RabbitMQ · Fastify · PostgreSQL · Docker

View project

Event-drivensystem

Zard UI

Open-source Angular component library focused on accessible, customizable, production-ready interfaces, reusable blocks, CLI tooling, and documentation workflows.

Angular · TypeScript · Tailwind CSS · Nx

View project

Opensource

RPV Watcher

Operational platform that centralizes RPV opportunities, organizes case information, and tracks deposit and withdrawal-order signals.

React · TypeScript · Fastify · PostgreSQL

View project

Legal-techoperations

FlowDesk

Multi-tenant conversational CRM that centralizes WhatsApp customer support with a shared inbox, contacts, follow-ups, automations, and team management.

React · TanStack Start · NestJS · PostgreSQL

View project

WhatsAppoperations

More Projects

2 selected

Fast Feet API

Logistics backend API for deliveries, authentication, delivery lifecycle workflows, proof-of-delivery uploads, and notifications.

NestJS · PostgreSQL · Cloudflare R2 · OpenAPI

View

Tech Newsletter

AI-powered newsletter automation that collects RSS and Atom feeds, summarizes stories, renders emails, and schedules delivery.

Bun · TypeScript · OpenAI · Resend

View

02 / About

I'm a software engineer from Brazil focused on building backend systems, AI-powered products, and cloud-native architectures.

I care about simple systems, good developer experience, and software that survives production.

Years building software
5+
Based
Brazil
Availability
Remote

03 / Experience

Experience

INOV.AI TECH

Current

Software Engineer

2024 — Present

  • Built and maintained AI-powered legal-tech products, including Cadastro 4.0 and LAIS, automating judicial workflows and reducing operational bottlenecks.
  • Designed end-to-end cloud-native solutions across Angular, Python and Go microservices, and Google Cloud/Kubernetes infrastructure for reliable production delivery.
  • Reduced Cadastro 4.0 document processing from approximately 5 minutes to 6 seconds, increasing operational efficiency by up to 98%.

Python · Go · Angular · Kubernetes · GCP

UFT · Universidade Federal do Tocantins

2023 — 2024

Software Engineer

2023 — 2024

  • Led the development and deployment of five critical on-premise institutional systems across authentication, storage, and academic management workflows.
  • Built unified login, institutional storage, and enrollment management applications with React, Next.js, Node.js, and Python.
  • Established modular architecture and production-ready delivery practices for a new development unit, improving knowledge transfer and long-term system evolution.

React · Next.js · Node.js · Python · On-premise

Oxen

2022 — 2023

Software Engineer

2022 — 2023

  • Built a delivery platform from scratch, covering customer flows, administration, order management, and business controls.
  • Designed scalable Angular modules and a C# API using Clean Architecture principles.
  • Integrated PostgreSQL for reliable business data persistence and delivered a production-ready product aligned with the company's launch goals.

Angular · C# · PostgreSQL · Clean Architecture · Azure DevOps

Nortesys

2021 — 2022

Software Engineer

2021 — 2022

  • Developed and maintained the web interface for NTS Contábil, a tax-management platform for companies and accountants.
  • Built modular Angular components integrated with a C# API for real-time access to tax documents and fiscal data.
  • Improved high-volume information workflows and helped modernize document exchange beyond email, spreadsheets, and remote access.

Angular · C# · REST APIs · Tax systems · ERP

04 / Stack

Tools I use to ship

Backend

  • Node.js
  • TypeScript
  • Python
  • Go
  • Fastify

Frontend

  • React
  • Angular
  • TypeScript

Infrastructure

  • Docker
  • Kubernetes
  • GCP
  • AWS
  • GitHub Actions

Data

  • PostgreSQL
  • MongoDB
  • Redis

05 / Contact

Let's work together

I'm open to remote Software Engineering opportunities involving backend systems, AI products, distributed architectures, and cloud infrastructure.

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