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From Freedom came Elegance
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From Freedom came Elegance
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@QuantConnect

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Achievement: Public SponsorAchievement: QuickdrawAchievement: Pair Extraordinairex2Achievement: Pull Sharkx3Achievement: YOLO

Achievements

Achievement: Public SponsorAchievement: QuickdrawAchievement: Pair Extraordinairex2Achievement: Pull Sharkx3Achievement: YOLO

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Amadeus-22/README.md

Humanoid robots working in a lab: monitors showing an event-driven architecture diagram, code, dashboards and a project roadmap AMADEUS — Pedro Barbosa — Quantitative Developer and Systems Engineer — Rio de Janeiro, UTC−3, EN & PT, remote Quant research and backtesting · Backend in Go, PHP and Python · UTC−3 · English and Português

Website Start a project LinkedIn QuantConnect

What I work on

Quantitative development — trading strategy research and backtesting on QuantConnect, risk modelling and predictive models on financial time series. Backend systems in Go — services that ship as a single static binary with no runtime dependencies, SQLite with full-text search, systemd deployment. PHP and legacy modernisation — registration and permission flows, scheduling, payments, reversible database migrations. Data automation — collection bots, scraping, pipelines and internal tooling on Linux and systemd.

Every repository below is public, tested and green in CI. Client work and my own tooling (iode, sentinel) stay private.

Selected work

tickguard — validates live crypto trade feeds (Binance, Kraken, Mercado Bitcoin), tells known gaps from silent ones, writes clean QuantConnect LEAN data and audits existing LEAN datasets. Go.

rpcgate — resilient Ethereum JSON-RPC gateway: failover, circuit breakers, routing by block height, safe caching and per-provider metrics, proven with chaos tests. Go.

chainwatch — watches wallets for risky ERC-20 approvals and drain patterns across EVM chains, reorg-safe, with Sign-In with Ethereum and one-click revoke through MetaMask. Go, Solidity, React.

costbasis-br — Brazilian crypto cost basis with exact arithmetic; tax rules are dated, cited data instead of code. Go.

Editalis — WhatsApp alerts for Brazilian public service exams, filtered by each subscriber's profile, with billing and LGPD consent. Python, FastAPI.

bounty and news — a GitHub bounty finder that filters out bounty farms, and a curated weekly magazine. Go and PHP.

Quantitative research — strategy simulation and backtesting on QuantConnect, with predictive modelling in Python and R.

Open source

Currently

Software Engineer at TIIX — a health and services platform (tiix.com.br). I work on the PHP portals for clients, professionals and brokers: registration and permission flows, scheduling, payments, and the shared foundation beneath them. Legacy PHP in a WordPress-based ecosystem, with reversible MySQL migrations.

Stack Go, Python, PHP, JavaScript, TypeScript, R, Bash · SQLite, PostgreSQL, MongoDB, scikit-learn · Linux, Docker, Git, GitHub, Node.js, React, Flask

Communities and organizations

QuantConnect — algorithmic trading research and backtesting, on the platform behind Lean. TIIX — health and services platform at tiix.com.br. Current employer. NER-ELOHIM — my own organization, where the Go suite and the engineering tooling live. Instituto Nova SOS — contributor to chesed, a Go and TypeScript project.

Contact

Open to remote roles and contract work: backend engineering, quantitative development and data automation.

Email Website

Pinned Loading

  1. chainwatch chainwatch Public

    Monitors wallets for risky ERC-20 approvals and drain patterns, reorg-safe, with alerts and a live drain demo on anvil. Go + Solidity.

    Go

  2. costbasis-br costbasis-br Public

    Brazilian crypto cost basis: weighted average cost in BRL with exact arithmetic, tax rules as dated data, local-first. Go.

    Go

  3. rpcgate rpcgate Public

    Resilient Ethereum JSON-RPC gateway: failover, circuit breakers, head-aware routing, safe caching and per-provider metrics. Go.

    Go

  4. tickguard tickguard Public

    Validates crypto exchange trade feeds in real time, tells known gaps from silent ones, and writes clean QuantConnect LEAN data. Go.

    Go

  5. editalis editalis Public

    Editalis: segmented WhatsApp alerts for Brazilian public service exams. FastAPI, SQLAlchemy and Claude.

    Python

  6. NER-ELOHIM/news NER-ELOHIM/news Public

    A personal weekly magazine: 29 curated feeds, a deterministic filter, one LLM call, delivered by email and Telegram. Plain PHP, no dependencies.

    PHP