Fermah — Solidity & Rust Engineer
deCircle · New York, United States
- Company
- deCircle
- Work style
- Remote
- Employment
- Full Time
- Location
- New York, United States
- Published
- 2025-01-06
- Source checked
- 2026-10-28
- Listing source
- Recruitee employer XML feeds
About this role
Fermah is the universal proof generation layer. It functions as a marketplace, where the supply side comprises GPUs and FPGAs. On the demand side, Fermah can generate proofs for any instance in which ZK is used. Fermah is bringing moon math to the masses. Fermah was founded by Dr. Vanishree Rao. She has been designing and building ZK for over 15 years and has a PhD in cryptography from UCLA. We are building a world-class team that values delivering results with excellence and empathy. Job Description We are seeking a dedicated Solidity & Rust Engineer to work on cutting-edge mechanism design for ZK proof generation. The engineering team at Fermah operates with shared accountability and without traditional hierarchy. As an early team member, you will help define not only the technical direction of our integrations but also the values and culture of our company. You will have the freedom and autonomy to influence the trajectory of our platform while bringing your ideas and technical expertise to life. You’ll be tasked with complex and rewarding challenges.This is an exceptional opportunity for you to take ownership of key integrations, drive tangible results, and gain invaluable experience working in one of the most exciting sectors within crypto. Responsibilities: Implement the smart contracts for Fermah’s payment system Maintain and upgrade contracts with fixes or new features Assist with security audits Contribute to the Rust codebase alongside Solidity development (this is not a full-time Solidity role) At least 2 years of experience in Rust and Solidity Experience implementing complex smart contracts in Solidity 5+ years of experience in software engineering Ownership mindset Strong communication and collaboration skills Nice to Haves: Familiarity with EVM off-chain development (reth, ethers) Experience with implementing and utilizing gRPC APIs Understanding of peer-to-peer networking concepts, including libp2p and Distributed Hash Tables (DHT) Basic knowledge of cryptographic principles, including hash functions and pairing-based cryptography (ECDSA, BLS) Benefits: Competitive salary and equity Take-what-you-need vacation Opportunity to work with a driven, talented, dedicated team that values collaboration, innovation, and making a strong positive impact Culture built upon mutual respect, empathy, excellence and delivery
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