Blockchain Engineer - Ethereum/Solana

Role Overview:

We are seeking a Blockchain Engineer to support digital asset transfer agency platforms, focused on tokenized funds and securities deployed across Ethereum, Solana, and Layer-2 networks. The role involves smart contract development, blockchain data ingestion, and event-driven integrations with enterprise-grade Java/Spring microservices.

Key Responsibilities:

• Design and develop smart contracts for fund and asset tokenization on Ethereum/EVM chains and Solana.

• Implement on-chain/off-chain interaction layers to: Read blockchain state, Subscribe to and process events, and Index transactions and balances.

• Build services to interact with public and private blockchain networks, including Layer-2 solutions.

• Develop backend services for blockchain integration using Java and Spring Boot, aligned with internal transfer agency systems.

• Integrate digital asset platforms with enterprise microservices, workflows, and data stores.

• Support lifecycle events such as issuance, transfer, redemption, corporate actions, and reconciliation.

• Ensure security, auditability, and operational resilience of blockchain integrations.

Required Skills:

• Strong experience with blockchain smart contract development: Solidity (Ethereum/EVM, Layer-2s); Rust (Solana programs).

• Hands-on experience with blockchain interaction: Event listeners, indexers, RPC integrations, Transaction monitoring and reconciliation.

• Experience building backend services using Java and Spring Boot (preferred).

• Solid understanding of token standards, wallet interactions, and signing flows.

• Familiarity with public and private blockchain environments.

• Experience working with microservices, CI/CD, and Git-based workflows.

Nice to Have:

• Transfer agency, fund administration, or securities tokenization experience.

• Wallet and custody knowledge (address management, signing, policy controls).

• Experience with Layer-2s (Optimism, Arbitrum, zk-based networks).

• Exposure to regulated financial or enterprise environments.