SOFTWARE ENGINEER
JUIZ DE FORA · BR

Juiz de Fora, Brazil — Available remotely

LucasLagrimante

I turn complex data into systems people can trust.

Senior Software Engineer working where data migration, artificial intelligence and financial products intersect.

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Explore the system

About / Approach

02 — 07

Engineering clarity
out of complexity.

I build enterprise systems, AI-assisted data migration pipelines and financial products — turning fragile manual processes into reliable infrastructure.

My work connects the whole system: how data moves, how teams operate, how software behaves and, ultimately, how people experience the product.

500K+records processed
13+systems connected
45ETL validation steps
2–4%error rate after automation

Selected systems

03 — 07

Not just code.
Systems that move.

Two examples of the work I care about most: removing operational friction and turning complex information into useful decisions.

01 / DATA INFRASTRUCTUREPLANEJAR

Migration, rebuilt as an intelligent system.

A 45-step ETL framework across 13+ systems, now coordinated with AI to catch inconsistencies earlier and turn onboarding from weeks into days.

  • ETL
  • AI + MCP
  • PostgreSQL
  • Automation
02 / FINANCIAL PRODUCTMINHAGRANA

A financial product built around better decisions.

MinhaGrana brings investments, portfolio management and AI analysis into one coherent experience across web and mobile.

  • React 19
  • Supabase
  • Gemini AI
  • Capacitor

Live systems / Domains

04 — 08

One domain,
several systems.

Every product I ship lives under lagrimante.com.br. These are the live entry points — the redirects resolve to the canonical domains, the apps resolve here.

01 / COACHING LIVE

Marvel Rivals Coach

Guides de coaching que transformam o tier list em decisão: prioridade de habilidade, matchup, team-up e o custo de trocar a composição.

rivals.lagrimante.com.br
02 / FINANCE LIVE

MinhaGrana

Investimentos, gestão de portfólio e análise com IA em uma experiência coerente para web e mobile.

minhagrana.lagrimante.com.br
03 / PRODUCTIVITY LIVE

ShareNote

Notas compartilhadas onde o conteúdo vira decisão coletiva, não mais um documento perdido na caixa de entrada.

sharenote.lagrimante.com.br
04 / AERIAL VIDEO LIVE

Lucas Drone JF

Filmagem aérea de eventos em Juiz de Fora e região, com certificado ANAC para voo comercial. A lembrança do seu evento gravada de um ângulo alto.

lucasdrone.lagrimante.com.br

All systems run on Cloudflare. rivals is a static SPA; the others resolve to their canonical domains.

Experience / Timeline

05 — 08
  1. 2025 — NOW

    Founder / MinhaGrana

    Fintech SaaS for investment management — React 19, Supabase Edge Functions, Capacitor mobile and Gemini AI portfolio analysis.

    01
  2. 2024 — NOW

    Data Migration Coordinator / Planejar

    AI-driven ETL coordination with Claude AI + MCPs. Error rate cut from 15–20% to 2–4%; onboarding time from weeks to days.

    02
  3. 2016 — 2024

    Software Engineer, Jr → Sr / Planejar

    Built a 45-step ETL framework across 13+ systems processing 500k+ records, PIX and banking integrations and fiscal ERP systems.

    03
  4. 2015 — 2016

    Infrastructure Technician / IFSudesteMG + Cesama

    Network infrastructure, hardware recovery and IT support.

    04

Education / Continuous learning

06 — 08

Strong foundations.
Always in motion.

Formal training in information systems and data, continually expanded through hands-on software engineering study.

  1. NOV 2025 — NOW

    curso.dev

    Web and Software Development Program

    Computer Science
    In progress
  2. 2020 — 2021

    UNOPAR

    MBA / Specialization — Business Intelligence, Big Data & Analytics — Data Science

    Postgraduate program
    02
  3. 2015 — 2019

    Federal Institute of Southeast Minas Gerais

    Bachelor's degree — Information Systems

    Juiz de Fora · MG
    03
  4. 2013 — 2015

    Federal Institute of Southeast Minas Gerais

    Technical degree — Information Technology

    Juiz de Fora · MG
    04

Capabilities / Toolkit

07 — 08

The right layer
for every problem.

01

Backend systems

PHP · Laravel · Node.js · APIs · Docker

02

Data architecture

PostgreSQL · Supabase · ETL · Migrations

03

Applied intelligence

Claude AI · Gemini · MCP · Automation

04

Product engineering

TypeScript · React · Tailwind · Capacitor

Contact / Open channel

08 — 08

Have a difficult system to untangle?

Let's build
what comes next.
llagrimante@gmail.com