Aaron Soria
Fullstack engineer: bug fixes & Linux/DevOps
New to Contra
Aaron is ready for their next project!
Feriadito — a REST API I built and maintain, providing holiday data across multiple countries: querying holidays by country and date range, verifying whether a specific date is a holiday, and listing supported countries. Built in Go, following the same structure as GwenStateFarm. Public docs at docs.feriadito.com (http://docs.feriadito.com).
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Stellar Dungeon — a 2D dungeon crawler built in Godot 4.4 for the Argentina Builder Challenge 2026, with on-chain progression over the Stellar network. I contributed the backend blockchain integration: a Node.js relay and a Rust smart contract (forge_ledger) that log mining, crafting and forging on-chain, with per-player custodial wallets and an offline sync queue.
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crypto-portfolio-qopt — a research project applying quantum computing to cryptocurrency portfolio optimization. It formulates the classical Markowitz mean-variance problem as a QUBO and solves it on Pasqal's neutral-atom quantum hardware and simulators, benchmarked against classical greedy and brute-force solvers. I built the full pipeline: a Go service that ingests market data from CoinGecko, and a Python layer that formulates and solves the optimization problem.
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GwenStateFarm — a live web platform I designed and built end to end, shipped in about three months. Backend in Go (Gin, PostgreSQL, plain SQL, no ORM), frontend in Vue, orchestrated with Docker Compose and deployed through a GitHub Actions CI/CD pipeline. I own it across the whole stack: architecture, backend, frontend and deployment.
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