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alyssom-fernandes/README.md

Hi, I'm Alyssom Fernandes 👋

Developer · Data & BI. I spent 5 years inside payroll, tax and controllership spreadsheets. Now I build the systems that replace them.

Portfolio · LinkedIn · CV (PDF) · Open to remote roles or relocation in Europe and the Americas

Projects

Project What it solves Stack Links
FlowTrack Personal finance: imports bank statements (PDF, OFX, CSV), categorizes expenses with AI and turns the month into budgets, goals and reports React · TypeScript · FastAPI · Supabase Demo · Code
Fuel-Mind Fuel purchase and freight control for a group of companies: NF-e XML import, freight by plate and driver, month closing, PDF and Excel reports. In real use by the author Vanilla JS · Firebase Demo · Code
Praxis Procurement from request to payment, with quotes, approvals and full traceability Vanilla JS · Firebase (security rules tested in the emulator) Demo · Code
AudiStock Stock audit from a phone, closed against the ERP balance, with shortage and overage reports Vanilla JS · Supabase (Postgres, RLS) · IndexedDB Demo · Code
Docke Multi-company document management: OCR search, tax deadlines, legal retention and a hash-chained audit trail React · TypeScript · FastAPI · PostgreSQL Code
AlertSignal Tracks business licenses and permits and emails the people in charge before anything expires Python · Flask · SQLite · APScheduler Code
DeepChat One AI answers, another reviews the answer with a verdict Vanilla JS · no build · no server Demo · Code
ArtMaker Weekly deals flyers for WhatsApp Status, made for a real grocery store Single HTML file · Canvas 2D · IndexedDB Demo · Code
UnifyData Month-end payroll deduction of employee purchases: retail reports matched with the HR register, two strategies (by code on the web, by name in Python) Vanilla JS · Python · Streamlit Demo · Web · Python

How I work

  • Real problems first: most of these projects came out of the work I was doing by hand.
  • Most demos open without sign-up, and each README has an English and a Portuguese version.
  • Tests run in CI on every push; each repository shows its badge.
  • Security decisions and known limitations are written down in the README, not hidden.

🇧🇷 Versão em português no portfólio.

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  1. FlowTrack FlowTrack Public

    Personal finance app: imports bank statements (PDF, OFX, CSV), categorizes expenses with AI and turns the month into budgets, goals and reports. React + TypeScript, FastAPI; the live demo runs in t…

    TypeScript

  2. Fuel-Mind Fuel-Mind Public

    Fuel purchase and freight control for a group of companies: NF-e XML import, freight by plate, driver and vehicle set, month closing, PDF and Excel reports. Vanilla JS and Firebase, no build step. …

    JavaScript

  3. Praxis Praxis Public

    Procurement management web app, from request to payment, with quotes, approvals and full traceability. Vanilla JS + Firebase.

    JavaScript

  4. AudiStock AudiStock Public

    Stock audit app: count shelves from a phone, close against the ERP balance and get a shortage and overage report (PDF, Excel, CSV). Live demo, no login; interface in Portuguese.

    JavaScript

  5. AlertSignal AlertSignal Public

    Tracks business licenses and permits for a group of companies and emails the people in charge before anything expires. Flask + SQLite, works offline, demo mode.

    Python

  6. DeepChat DeepChat Public

    Chat where one AI answers and another reviews it with a verdict: DeepSeek answers, ChatGPT checks. Vanilla JS, runs in the browser, no server. Live demo, no keys needed.

    JavaScript