Semiotic Labs - Rust Engineer

We are a team of multidisciplinary experts in artificial intelligence, cryptography, and software engineering who collaborate to build solutions for unsolved problems in web3. We work on challenges such as trust-minimized micropayments, low-latency request processing, data verification, and dynamic pricing. We’ve published research at prestigious AI conferences like NeurIPS and developed novel optimization algorithms. We make web3 smarter and verifiable.

We are a core developer of The Graph protocol ($1B+ market cap), an indexing protocol for organizing and accessing the world’s data. We are also the parent company of Odos, a market-leading liquidity aggregator that supports $5B+ in monthly trading volume.

You can learn more about Semiotic Labs at semiotic.ai or by watching this presentation.

The Role

We’re looking for a Rust Engineer who’s excited about building scalable, cryptographically secure systems for web3 infrastructure. You’ll work on GraphTally , implementing performant, reliable components that enable stateless, one-way payment channels at scale. This role is ideal for someone who thrives on solving protocol design challenges and building robust, production-ready Rust code.

This role is perfect for those who thrive in a multidisciplinary team solving complex, unsolved problems through research and engineering. You\'ll excel here if you’re excited about working on a small, agile team where your daily work drives innovation—both internally and across the web3 ecosystem. Above all, you should be passionate about delivering real value to users.

What You’ll Do

• Design, implement, and maintain core components of the GraphTally protocol in Rust.
• Collaborate with researchers and protocol engineers to refine and evolve the architecture.
• Optimize signature verification, message processing, and batching for high-throughput performance.
• Implement secure state transition logic, trust-minimized payment flows, and smart contract interactions.
• Work closely with smart contract engineers to ensure seamless on-chain integration (mainly on L2s like Arbitrum).
• Write clean, testable, and efficient code with a focus on security and correctness.

Contribute to technical documentation, specifications, and developer tooling to support GraphTally adoption.

Bonus Points

Why Join Semiotic Labs

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