Skip to content
You must be logged in to sponsor joaquinbejar

Become a sponsor to Joaquin Bejar Garcia

👋 Hey, I'm Joaquín Bejar

I build open-source, ultra-efficient trading infrastructure in Rust
(plus C++ & Python bindings when raw speed matters).
My goal: give quants and indie traders hedge-fund-grade tools.


🚀 Why sponsor?

💡 Benefit What you get
Early releases Alpha crates & nightly builds
Influence the roadmap Your issues/PRs jump to the front
Deep-dive posts Design notes, perf benchmarks & latency drills
Private Discord Pair-programming sessions, trading memes, AMA

🛠️ Projects I'm hacking on right now

Repo What it is Stage
OptionStratLib Full-stack options strategy engine 🏗 Beta
OrderBook-rs Thread-safe LoB, <1 µs median latency 🔨 Beta
DXlink Idiomatic Rust client for tastytrade real-time feed 📡 Beta
PriceLevel Lock-free price-level abstraction 📈 Alpha
tastytrade Rust wrapper for tastytrade REST/WebSocket ☕ Alpha
OptionChain-Simulator Stateless sim for option-analytics pipelines 🧪 PoC

(Sponsors see private WIP branches & performance dashboards.)


💼 Open to proprietary projects

Need an ultra-low-latency matching-engine, custom options analytics,
or a Rust/C++ performance audit behind closed doors?
I take on select consulting gigs and long-term collaborations.
Sponsors jump to the front of the queue.


🎁 Sponsor tiers

Tier /mo Perks
Coffee $5 Name in README
🛠 Toolbox $25 Early builds + Discord
Turbo $75 Priority reviews + roadmap vote
🤝 Partner $250 Monthly 1-on-1 & logo placement

Your support lets me spend nights optimizing cache lines instead of chasing funding.
Thanks for keeping serious OSS finance alive! ❤️

@joaquinbejar

With 25 sponsors I'll block off one full day each week to ship new features to OptionStratLib & OrderBook-rs (async/await, back-testing, step-by-step docs). Your support literally buys dev time.

Featured work

  1. joaquinbejar/OptionStratLib

    OptionStratLib is a comprehensive Rust library for options trading and strategy development across multiple asset classes.

    Rust 77
  2. joaquinbejar/OrderBook-rs

    A high-performance, thread-safe limit order book implementation written in Rust. This project provides a comprehensive order matching engine designed for low-latency trading systems, with a focus o…

    Rust 72
  3. joaquinbejar/py-defi-amm

    This project implements a Decentralized Finance (DeFi) Automated Market Maker (AMM) model. It includes a basic AMM implementation, risk management features, and a simulation environment to test the…

    Python 2
  4. joaquinbejar/StrategyExecutionEngine

    A Rust library for creating and executing market order strategies with Kafka integration.

    Rust 4
  5. joaquinbejar/tradier

    Rust library for managing trades and market data through the Tradier broker API, designed for high-performance and safety

    Rust 3
  6. joaquinbejar/DXlink

    dxlink is a Rust client library for the DXLink WebSocket protocol used by tastytrade for real-time market data. This library provides a clean and type-safe API for connecting to DXLink servers, sub…

    Rust 6

0% towards 25 monthly sponsors goal

Be the first to sponsor this goal!

Select a tier

$ a month

Choose a custom amount.

$5 a month

Select
  • Get a Sponsor badge on your profile

$25 a month

Select
  • Logo or name goes in my project README
  • Access to private repositories

$100 a month

Select
  • Logo or name on project website
  • Access to pre-release builds of my project
  • Have your bug reports prioritized

$500 a month

Select
  • Get a company license for my project

$1,000 a month

Select
  • I'll join your company chat app for help and support