Back homeJosé Alfredo Ribeiro Neto Software Engineer
Bahia, Brazil
Senior backend and full-stack engineer, 7+ years building for North-American startups — from computer-vision detection systems to LLM pipelines. Mechatronics roots, backend instincts: I ship systems that stay up and stay observable.
Senior Fullstack Engineer
New York, USA · Jan 2022 — Jun 2024
Reducing the complexity of tracking important events, regulations and actors for strategic decisions.
Trained LLMs and integrated them across the product pipeline Built the first version of the app's graph network viewer; migrated legacy data to Neo4j Improved DB performance by tuning queries and the data schemaReact Python OpenAI Embeddings Node.js Neo4j PostgreSQL Redis Kubernetes React · Python · OpenAI · Embeddings · Node.js · Neo4j · PostgreSQL · Redis · Kubernetes
Senior Backend Engineer
Hugo acquired by Calendly · California, USA · Jan 2021 — Mar 2023
Hugo consolidates a meeting's key features — notes, tasks and 20+ integrations — in one place; the team was acquired by Calendly, where I kept building.
Real-time collaboration with Yjs; AWS auto-scaling via CloudFormation Changed a key part of the algorithm to use tokenizers, improving performance 500× Continued backend work on the scheduling platform after the Calendly acquisitionNode.js React TypeScript Yjs AWS CloudFormation Ruby on Rails Node.js · React · TypeScript · Yjs · AWS · CloudFormation · Ruby on Rails
Tech Lead / Fullstack Engineer
FoodCamp · Salvador, Brazil · Jul 2020 — Jul 2024
Startup helping food companies thrive with organization and process control.
Migrated the FoodCamp backend from Elixir + REST to NestJS + GraphQL Owned data modeling, tech choices and hosting; migrated infra to Kubernetes on AWS Interviewed candidates and ran bi-weekly architecture reviewsNode.js NestJS GraphQL Kubernetes AWS Node.js · NestJS · GraphQL · Kubernetes · AWS
Earlier roles Senior Python Backend Developer · AmbevTech Salvador, Brazil · Aug 2021 — Mar 2022 Software Developer · Aton Engenharias Salvador, Brazil · Feb 2018 — Dec 2020 Fullstack Developer · AlamoWeb Salvador, Brazil · Jan 2021 — May 2021 QA Analyst · BRISA · LG Mobile Salvador, Brazil · Jan 2017 — Aug 2017 Assistant Researcher · University of Illinois at Chicago Chicago, USA · Jul 2016 — Aug 2016 IT Technician · Wyden Area1 Salvador, Brazil · Jun 2011 — Jul 2015 02
Projects Curated from GitHub — grouped by the thread that ties them together.
Vision, AI & robotics Mechatronics is where I started, and perception keeps pulling me back — from computer vision to orchestrating local AI models.
ai-cli Python · Typer · Textual · LLMs · Diffusion
A unified CLI + TUI that orchestrates local image, video, voice, music and LLM models from one command, on a single GPU.
Python Typer Textual LLMs Diffusion Hackathon project: a computer-vision filtering system integrated with a mobile app.
React Native Computer Vision Python Robotics simulation Arduino · Robotics · C/C++
Factory simulation driving servos with Arduino and modeling robotics physics.
Products, shipped Full applications taken from data model to a deployed, usable UI.
powerup Next.js · Express · PostgreSQL · Monorepo
Production-ready multi-tenant monorepo — a Next.js App Router front end and an Express + PostgreSQL API, with shared UI, types and validation packages.
Next.js Express PostgreSQL Monorepo Angular + Firebase dashboard to manage a small condominium — units, residents and finances.
Angular Firebase TypeScript Farol Eleitoral Next.js · shadcn/ui · TypeScript
Data app that turns Brazilian electoral datasets into a browsable, filterable dashboard.
Next.js shadcn/ui TypeScript force-graph-lab React · d3-force · Vite
Interactive force-directed graph explorer built on d3-force for probing relationships and layouts.
Client work Production sites shipped for real businesses through JarnDev — Astro + Tailwind, fast and static.
Lebre Tecnologia Astro · Tailwind CSS
Institutional site for an IT & technology services company.
Oficina do Clóvis Astro · Tailwind CSS
Site for a Salvador auto shop — services, 24h towing and vehicle insurance.
Roble Serviços Astro · Tailwind CSS
Institutional site for a services company.
Backend & tooling Small, sharp services and the plumbing that keeps things running.
flowdeck Node.js · Git · TUI
Multi-repo gitflow visualizer — shows what's already in each stage, with cherry-pick detection by patch-id (not just SHA).
osint-docker Docker · OSINT · Security
Isolated, container-per-tool OSINT environment — each tool runs sandboxed, with no access to the host.
Node.js service that pings endpoints on a schedule and reports downtime.
senseData Docker · React · Flask · Redis
Dockerized full-stack project wiring nginx, a React front end, a Flask API and Redis.
Foundations Where I cut my teeth and still go to keep the fundamentals fresh.
VUTTR MongoDB · Express · React · Node.js Very Useful Tools to Remember — a full MERN-stack app to catalog and search dev tools.
MongoDB Express React Node.js MEAN-stack app for storing market information and locations.
Angular Node.js MongoDB TypeScript C++ games built with SFML while diving into game-development fundamentals.
Backend Python Node.js NestJS FastAPI GraphQL PostgreSQL Redis SQL NoSQL Python · Node.js · NestJS · FastAPI · GraphQL · PostgreSQL · Redis · SQL · NoSQL
Frontend TypeScript JavaScript React React Native Angular Next.js TypeScript · JavaScript · React · React Native · Angular · Next.js
AI / ML LLMs OpenAI Embeddings Computer Vision Deep Learning Neo4j LLMs · OpenAI · Embeddings · Computer Vision · Deep Learning · Neo4j
Cloud / DevOps AWS Kubernetes Docker Netlify Firebase Datadog AWS · Kubernetes · Docker · Netlify · Firebase · Datadog
Robotics & Embedded C / C++ Arduino IoT ROS GAZEBO VREP RVIZ C / C++ · Arduino · IoT · ROS · GAZEBO · VREP · RVIZ B.Sc. in Mechatronics Engineering (suspended)
Wyden Area 1
2011
Exchange — Electrical Engineering (Mechatronics concentration)
Tennessee Tech University
2015 — 2016
CAD 2D · Wyden Area 1 2012 CTFL Foundation · BSTQB 2017 C Programming for Embedded Applications · LinkedIn 2020 Scrum Foundation Professional Certificate · CertiProf 2020 DataScience Acceleration · Codenation 2020 English · Advanced Portuguese · Native Spanish · Basic