ATS

Position:(Senior) Blockchain Developer (Solidity)

Domain: Institutional Payments 

Good English communication (must)

Working Mode: Remote full-time

Working Time: Vietnam office hours

Contract Duration: 1 year (possible extension)

Start Date: ASAP

Job Overview:

We are looking for an experienced (Senior) Blockchain Developer (Solidity) to design and build the smart contract infrastructure for our global settlement network. You will work on institution-grade payment Solidity smart contracts that are highly interoperable with traditional and new settlement rails. This role offers the opportunity to work at the forefront of institutional blockchain adoption, developing industry-standard wholesale payment and stablecoin mechanisms.

Job Responsibilities:

• Institutional Smart Contract Development: Design, develop, and implement core Solidity smart contracts for clearing, settlement, and value exchange.
• Interoperability: Architect contracts that are highly interoperable with both traditional financial systems and emerging settlement rails.
• Wholesale Payments & Stablecoins: Build and maintain high-security mechanisms for wholesale payments and stablecoin issuance/management.
• Security-First Engineering: Prioritize smart contract security by addressing vulnerabilities and ensuring stability for mission-critical enterprise use cases.
• Architectural Contribution: Actively participate in architectural design discussions, providing constructive feedback on the evolution of our payment protocols.
• Maintenance & Optimization: Optimize existing Solidity protocols to improve performance and ensure they meet the rigorous demands of global financial institutions.

Job Qualifications & Requirements:

Must-have skills:

• Good at English communication (able to directly join the technical interviews with client).
• Experience: At least 4,5+ years of software development experience, focusing on Solidity.
• Solidity Mastery: Extensive experience writing, testing, and deploying complex EVM smart contracts.
• EVM Deep Dive: A deep understanding of the blockchain transaction lifecycle and the Ethereum Virtual Machine.
• Blockchain Ecosystems: Experience working with blockchain technologies such as Hyperledger Besu, GETH, Layer 2 technologies.
• Basic Cryptography: Hands-on experience with digital signatures, hashes, encryption (asymmetric/symmetric)
• Data Structures: A strong understanding of Merkle Trees and their implementation in on-chain logic.
• Computational Fundamentals: In-depth knowledge of common algorithms, data structures, and their computational and memory complexities.

For application:

• For your application, please send your best CV to: [email protected]
• Subject: Application – Name – (Senior) Blockchain Developer (Solidity)

Hiring process: Apply CV > English checking > ATS team screen CV > Client review profile > 1- 2 Online interview rounds > Offering > Signing contract > Onboarding (remote)