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About Semiotic Labs

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Semiotic Labs builds advanced Web3 infrastructure, autonomous agents, and cryptoeconomic protocols that power decentralized finance and data economies. As a core developer team for The Graph, Semiotic Labs is pioneering trustless, efficient, and scalable financial primitives.

Our suite of products includes:
• GraphTally a trust-minimized micropayment system for decentralized service providers.
• Allocation Optimizer: an Agent for dynamic stake distribution across subgraphs in The Graph.
• Dynamic Pricing Algorithm: Adaptive online query pricing for Indexers.
• Holographic Homomorphic Signature Scheme (H2S2): Cryptographic primitive aggregating signatures for efficient verification.
• State-Channel Micropayments (via GraphTally): Off-chain payments minimizing on-chain cost for low-value transfers.
• AutoAgora: AI-powered tool for query pricing and negotiation in The Graph.
• RL & Neural-Network Cost Prediction / zk-SNARK Enhancements AI-driven pricing, verifiable queries, and privacy-preserving proof mechanisms.

Role Overview

We’re seeking a Smart Contract Engineer (EVM-focused) to work across Semiotic Labs’ product suite. You will design and implement smart contracts, build scalable backend services, and develop data-driven dashboards. The work will touch on areas such as on-chain identity, agreements, micropayments, and DeFi logic, while integrating with advanced indexing and delegation mechanics within The Graph ecosystem.

Why Join Us
• Build foundational Web3 infrastructure with real-world DeFi and data economy impact.
• Contribute across multiple products: GraphTally, Allocation Optimizer, AutoAgora, and more.
• Collaborate with experts in AI, cryptography, and decentralized systems.
• Be part of an early, interdisciplinary team driving innovation in The Graph and beyond.

Logistics
• Compensation: Competitive ($170k – $250k) +

Smart Contract Engineer

Hybrid - SF Bay Area, CA - Austin, TX - Miami, FL Offices

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About Us:

AnChain.AI, headquartered in San Francisco, is an award-winning AI-powered cybersecurity company specializing in enhancing Web3 security, risk, and compliance strategies. Founded by cybersecurity and enterprise software veterans from FireEye and Mandiant, AnChain.AI is backed by Silicon Valley and Wall Street VCs, selected in the Berkeley Blockchain Xcelerator, and trusted by 100+ customers globally, including the U.S. SEC, the IRS, FINCEN, and more. The company's AML engine screens over $1 billion in daily crypto transactions and has been featured by Forbes, CNBC, MIT Tech Review.

Join us in our mission to safeguard the future of digital innovation and make a meaningful impact on the cybersecurity landscape.

Job Description:

AnChain.AI is seeking a skilled Smart Contract Engineer to join our mission-driven team in San Jose, CA. This role is ideal for a developer with a deep interest in blockchain technologies and smart contracts, who is motivated to grow into a smart contract investigator. As a Smart Contract Engineer at AnChain.AI, you will develop, deploy, and maintain smart contracts while also learning to identify vulnerabilities and potential faults that could impact functionality and security.

Responsibilities:
• Develop and deploy robust, secure smart contracts on Ethereum and other blockchain platforms.
• Analyze and determine the functionality of smart contracts to ensure they perform as intended.
• Identify vulnerabilities and potential security faults within smart contracts before they are deployed.
• Collaborate with the cybersecurity team to enhance existing smart contract analysis tools and methods.
• Stay updated with the latest developments and best practices in blockchain technology and smart contract security.
• Train and transition into a smart contract investigator role, developing skills to conduct thorough investigations into smart con