Blockchain Developer – ZK & Cross-Chain
- Role
- Blockchain
- Experience
- Mid
Open to Worldwide. Set where you work from to check your eligibility.
No BS summary
Experienced blockchain developer for smart contracts, ZK integration, and cross-chain payment infrastructure. Needs Solidity, EVM chains, TypeScript/Node.js, ZK/privacy protocols, and cross-chain messaging such as Hyperlane, Wormhole, or CCTP. Minimum 3 years software development and 2 years hands-on blockchain development; remote global async work.
Core skills
Required skills
Optional skills
💼 Hiring: Blockchain Developer – ZK & Cross-Chain - ASYVA InfoTech 📍 Remote (Global) | 🕐 Posted 22 hours ago - July 22, 2026 | 💰 Not provided | 🧑💻 Remote | 🔗 Solidity / ZK / Cross-Chain / Hyperlane / CCTP / Solana / Rust / TypeScript
The company is looking for an experienced Blockchain Developer to take ownership of smart contract development, zero-knowledge proof integration, and cross-chain payment infrastructure for a confidential payroll protocol.
📋 Responsibilities include:
- Design, develop, test, and deploy smart contracts across Ethereum, Solana, and other virtual machines
- Integrate Zero-Knowledge Proof systems such as Ligero and Arc for transaction privacy and compliance
- Implement cross-chain settlement mechanisms using Circle CCTP and Hyperlane
- Integrate FHE technologies such as Fhenix and Zama for encrypted payroll-state management
- Build and maintain an API orchestrator using Express.js and TypeScript
- Manage the protocol’s seven-stage cross-chain payment pipeline
- Write secure, well-tested, and properly documented production code
- Contribute to architecture decisions and the technical roadmap
- Collaborate effectively with engineers, the Lead, and the Project Manager in a remote environment
🔑 Requirements:
- Strong expertise in Solidity and smart contract development
- Experience with EVM-compatible chains such as Ethereum, Base, Arbitrum, and Polygon
- Strong TypeScript/JavaScript and Node.js backend-development skills
- Production experience developing and deploying smart contracts
- Understanding of Zero-Knowledge Proofs and privacy-preserving protocols
- Experience with cross-chain messaging technologies such as Hyperlane, Wormhole, or CCTP
- Knowledge of cryptography fundamentals and blockchain security best practices
- Minimum three years of software-development experience, including two years of hands-on blockchain development
- Excellent communication skills and ability to work in a fully remote, asynchronous environment
🛠 Nice-to-have:
- Solana development using Rust and Anchor
- Experience with FHE libraries such as Zama or Fhenix
- Experience building payroll or payments infrastructure
- Understanding of Circle CCTP attestations and burn-and-mint mechanics
📩 To apply: Email your updated CV to hr@asyvainfotech.com. Include total experience, blockchain experience, Solidity and ZK experience, cross-chain protocol experience, current location, availability, and minimum expected budget.
🛠 Builder Toolkit: Building smart contracts or cross-chain systems? STON.fi offers APIs and SDKs that help developers integrate non-custodial swaps and liquidity routing on TON.
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What you'll do
- Design, develop, test, and deploy smart contracts across Ethereum, Solana, and other virtual machines
- Integrate Zero-Knowledge Proof systems such as Ligero and Arc for transaction privacy and compliance
- Implement cross-chain settlement mechanisms using Circle CCTP and Hyperlane
- Integrate FHE technologies such as Fhenix and Zama for encrypted payroll-state management
- Build and maintain an API orchestrator using Express.js and TypeScript
- Manage the protocol’s seven-stage cross-chain payment pipeline
- Write secure, well-tested, and properly documented production code
- Contribute to architecture decisions and the technical roadmap
- Collaborate with engineers, the Lead, and the Project Manager in a remote environment
What they require
- Strong expertise in Solidity and smart contract development
- Experience with EVM-compatible chains such as Ethereum, Base, Arbitrum, and Polygon
- Strong TypeScript/JavaScript and Node.js backend-development skills
- Production experience developing and deploying smart contracts
- Understanding of Zero-Knowledge Proofs and privacy-preserving protocols
- Experience with cross-chain messaging technologies such as Hyperlane, Wormhole, or CCTP
- Knowledge of cryptography fundamentals and blockchain security best practices
- Minimum three years of software-development experience, including two years of hands-on blockchain development
- Excellent communication skills and ability to work in a fully remote, asynchronous environment