Caio Lins

• Built and shipped mobile APIs for AI music creation and delivery.
• Owned improvements to soundraw.io, including new genres and a smoother creation flow.
• Generated 20,000+ songs in one week to support a $150K+ enterprise deal.

• Cloudflare
• Domain modeling
• FFmpeg
• Linear
• Ruby on Rails
• Vue
• Heroku
• Postgres
• MongoDB
• AI Agents

• Guided customers through a Working Backwards process to turn business goals into technical specifications.
• Shipped logistics and autonomous-forklift management tools with React, TypeScript, MUI, and deck.gl.
• Delivered gateway, kiosk, and Android owner/kiosk-mode prototypes across Java/Spring, Node.js, and Vue.
• Planned and delivered a gateway project on a 2-month schedule, including Japanese client communication and documentation.

• Consulting
• React
• TypeScript
• Node.js
• Vue
• Java
• Spring
• MUI
• deck.gl
• AWS
• Terraform
• Japanese
• Docker
• Atlassian

• Owned reliability of financial data aggregation pipelines pulling from 3,000+ banks for 5,000,000+ users.
• Optimized dozens of integrations, reducing monthly running costs by 30%+.
• Built hundreds of monitoring/alerting tools, SQL templates, and SOPs to speed up incident response.

• Web and API scraping
• API integration
• Node.js
• TypeScript
• AWS
• Ruby on Rails
• SQL
• Redash
• Sumo Logic
• Atlassian
• Slack

• Built voice-driven applications and back-end services for conversational experiences.

• Node.js
• JavaScript
• Google Cloud Platform (GCP)
• MySQL
• Firebase
• Actions on Google
• Google Assistant

• Designed and implemented time-intelligent dashboards used for after-sales truck parts price revisions.
• Structured and prepared datasets consumed by pricing dashboards.

• Microsoft Power BI
• DAX
• SQL
• Python
• Microsoft Office

• Delivered CMS and APIs for large battery and automotive clients.
• Developed chatbot infrastructure and conversational dialogs for customer-facing products.
• Built data lake pipelines and ETL jobs for FCA Latam, including BI/marketing data views in BigQuery.
• Integrated Salesforce and Google Analytics APIs and automated recurring data jobs.
• Contributed to the open-source Zendesk Java Client with new models and wrapper updates.

• SQL
• GCP
• BigQuery
• Node.js
• JavaScript
• PHP
• Python
• Linux
• Git
• Cron jobs
• Java
• MongoDB
• Play Framework
• AngularJS
• Google Maps API
• Heroku
• IBM Watson
• GTM
• Zendesk Java Client
• Twitter API

My personal website and portfolio, including a markdown-powered resume page and curated project highlights.

• Astro
• Tailwind CSS
• TypeScript
• Markdown
• Vercel

Active contributor to a Matrix bridgev2 project that brings LINE messaging support to Beeper. Contributed bug fixes for concurrency, media handling, and token management, plus UI work on the Beeper themes repo.

• Go
• Matrix
• LINE
• Beeper
• Chat
• Open Source

Bilingual static site for an eyelash salon in Tokyo. A custom Node.js pipeline scrapes HotPepper Beauty for live content (coupons, staff, reviews), normalizes it into a JSON content model, and Astro renders it with locale-aware routing.

• Astro
• Tailwind CSS
• Playwright
• i18n
• Vercel
• Web Scraping

A growing set of Raycast extensions focused on workflow speed, automation, and delightful UX.

• TypeScript
• React
• Automation
• Productivity

Processed microscopic imagery to improve nanoparticle counting in research labs for CCM304M133 during my M.Sc. at UFABC.

• Python
• Jupyter Notebook
• Computer Vision
• Research

AR research on augmenting storyboards and animations for better prototyping; won Best Application (Got HeARt), Metaio Developer Contest 2013.

• Augmented Reality
• Research
• Metaio SDK
• Android
• Java

An AR board game themed around pillow fights where moving physical blocks repositions autonomous characters to attack and dodge.

• Augmented Reality
• Game Development
• Metaio SDK
• C++

An Arduino-powered dish connected to a smartphone game that reacts positively when a child eats, turning mealtime into play.

• Arduino
• IoT
• Unity
• C#
• Mobile Game
• Education