Founding Protocol Engineer

Join Joyride Labs as a Founding Protocol Engineer to build a 0DTE options exchange for crypto traders, combining CEX speed with DEX safety.

Joyride is building the first dedicated 0DTE options exchange for crypto traders.

Derivatives are the single largest opportunity to bring traditional finance on-chain, with over $3.5 trillion in notional volume traded in the U.S. every day.

Our architecture is hybrid: a central limit order book (CLOB) for low-latency execution, paired with a blockchain for transparent, non-custodial settlement.

## What you'll do

• •Own the trust and verification layer of Joyride's hybrid architecture.
• •Work alongside the Founding Principal Engineer to build an options exchange.
• •Prove off-chain execution verifiable on-chain.
• •Design systems for censorship-resistant recovery and unilateral exit.
• •Threat-model the boundary between off-chain and on-chain systems.

## Conditions

• •Competitive salary and meaningful equity.
• •Remote-first.
• •Full autonomy over your domain.
• •Open-source friendly.

• •5+ years of systems engineering in Rust, C++, or Go.
• •Deep experience with Solana program development or equivalent blockchain runtime.
• •Strong applied cryptography: Merkle trees, digital signatures, hash-based commitments, proof systems.
• •Understanding of DeFi security: common exploit vectors, smart contract auditing patterns.
• •Experience with hybrid or L2 architectures.