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.
About / Approach
02 — 07Engineering 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.
Selected systems
03 — 07Not 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 — 08One 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 / HARDWARE
LIVE
Lucas Drone
Do controle ao payload: a stack por trás do voo, do telemetria e do que acontece quando a física não obedece o código.
lucasdrone.lagrimante.com.brAll systems run on Cloudflare. rivals is a static SPA; the others resolve to their canonical domains.
Experience / Timeline
05 — 08-
2025 — NOW
01
Founder / MinhaGrana
Fintech SaaS for investment management — React 19, Supabase Edge Functions, Capacitor mobile and Gemini AI portfolio analysis.
-
2024 — NOW
02
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.
-
2016 — 2024
03
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.
-
2015 — 2016
04
Infrastructure Technician / IFSudesteMG + Cesama
Network infrastructure, hardware recovery and IT support.
Education / Continuous learning
06 — 08Strong foundations.
Always in motion.
Formal training in information systems and data, continually expanded through hands-on software engineering study.
-
NOV 2025 — NOW
In progress
curso.dev
Web and Software Development Program
Computer Science -
2020 — 2021
02
UNOPAR
MBA / Specialization — Business Intelligence, Big Data & Analytics — Data Science
Postgraduate program -
2015 — 2019
03
Federal Institute of Southeast Minas Gerais
Bachelor's degree — Information Systems
Juiz de Fora · MG -
2013 — 2015
04
Federal Institute of Southeast Minas Gerais
Technical degree — Information Technology
Juiz de Fora · MG
Capabilities / Toolkit
07 — 08The right layer
for every problem.
Backend systems
PHP · Laravel · Node.js · APIs · Docker
Data architecture
PostgreSQL · Supabase · ETL · Migrations
Applied intelligence
Claude AI · Gemini · MCP · Automation
Product engineering
TypeScript · React · Tailwind · Capacitor
Contact / Open channel
08 — 08Have a difficult system to untangle?
Let's buildwhat comes next.↗