Arthur Rabelo

Software & Product Engineer · AI systems, full-stack products, and developer experience

Vancouver, BC, Canada · arthurrabelopro@gmail.com
LinkedIn · GitHub / p2arthur · DevLoot

Profile

Product-minded software engineer with a UX/UI background, building React, TypeScript, and full-stack applications from concept through production. Experience spans mobile experimentation, developer tooling, CI/CD, and AI-assisted engineering. Personal projects focus on natural-language discovery, typed AI judgments, and agent networking.

Skills

Product & interfaces: React, TypeScript, JavaScript, React Native, UX/UI, experimentation
Full stack & delivery: Node.js, NestJS, Express, REST APIs, PostgreSQL, Prisma, CI/CD, GitHub Actions
AI projects: Jev / TypeSafe, OpenRouter, embeddings, retrieval, MCP, validated model outputs
Web3: Algorand, AlgoKit, wallet integration, smart-contract applications

Professional experience

Let’s Roam

May–September 2026

Growth Product Engineer

Built an iOS A/B testing system and developed checkout and gameplay experiments in React Native.
Led development and launch of a new gameplay experience with two teammates.
Established CI/CD and release processes and taught them to teammates.
Combined UX improvements, customer understanding, and product decisions with hands-on implementation.

Algorand Foundation

July 2025–March 2026

Junior Software Engineer intern, July 2025–March 2026 · Software Engineer, March 2026

Contributed to AlgoKit CLI, documentation, and ecosystem tooling for Algorand developers.
Built frontend examples demonstrating library functionality and explored AI tools in engineering workflows.
Worked on CI/CD standardization, code review, testing, and cross-team collaboration.

CompX Labs

June 2024–July 2025

Web Application Engineer · Part-time contract

Delivered a governance product across TypeScript/AlgoKit contracts, Node.js services, and React interfaces.
Built a rewards engine with typed token-distribution schemas and real-time validation.
Extended responsibilities from frontend engineering to full-stack delivery during the project.

Dartroom / Rxelms

January–June 2024

Web Application Engineer

Collaborated on web product development and a landing page with 3D graphics.
Used Vue.js and Nuxt.js on the frontend and helped establish NestJS for backend development.

Algogator

March 2023–February 2024

Web Developer

Designed and developed frontend experiences and UX improvements for an Algorand portfolio-monitoring product.

Selected projects

QuickPick — natural-language discovery on DevLoot

Built a discovery experience connecting a unified catalog with retrieval, typed Jev judgments, and deterministic ranking. Direct and exploratory matches remain distinct. Stack: React, TypeScript, NestJS, PostgreSQL, embeddings, Jev.

Agent Bond — AI event networking

Collaborative Web Summit Vancouver micro-hackathon project, extended after the event. Turns bios into networking twins, ranks event matches, and produces conversation starters and calendar links. Stack: Next.js, TypeScript, Prisma, Jev, OpenRouter.

DevLoot — developer platform

Personal project connecting open-source projects and contributors through AI discovery, MCP tools, and Algorand bounty infrastructure. Full-stack development with React, NestJS, PostgreSQL, and smart-contract applications.

Updated October 1, 2026.