Web3 Blockchain Engineer: Tokenization Platform

Iris Software Inc.; San Francisco (CA); Hybrid; USD 180,000 - 280,000; Full time

Job summary

Iris Software Inc. seeks a Web3 Engineer to design, build, and scale tokenization infrastructure for a leading US financial client.

The role spans Ethereum/EVM, Canton/Daml, and various permissioned networks, with a strong emphasis on production-ready systems. Hybrid work locations include Southlake/Austin TX, SF CA, Jersey City NJ, and more; the team emphasizes hands-on builders who can move from architecture to secure implementation, with responsibilities across smart contracts, wallets, and

Qualifications

• 5+ years of software engineering experience in distributed systems or high-scale financial platforms.
• Hands-on Web3 engineering experience with blockchain infrastructure.
• Deep understanding of Ethereum/EVM including smart contracts, gas handling, and finality.
• Backend services interacting with blockchain nodes, wallets, signing systems, or custody platforms.
• Experience with JSON-RPC, WebSocket, blockchain event indexing, and contract integration.
• Knowledge of wallet infrastructure, address management, and key-management patterns.
• Experience with Canton, Daml, or institutional blockchain workflows is a plus.

Responsibilities

• Design and build reusable Web3 platform services for tokenization and transaction processing.
• Develop backend services interacting with blockchain nodes, contracts, custody platforms, and off-chain systems.
• Create blockchain abstraction layers supporting multiple networks (Besu, Canton, Ethereum, Layer 2).
• Implement blockchain connectivity with JSON-RPC, WebSocket, ABI encoding, and event logs.
• Support Canton/Daml-based networks, including package lifecycle and workflow authorization.
• Build or integrate tokenization workflows, wallet integration, and node connectivity.

Skills

Web3 engineering

Distributed systems

Ethereum / EVM

Backend services

JSON-RPC / WebSocket

Wallet / custody integration

Smart contracts

Programming languages (Java, Go, TypeS

Job description

Iris Software Inc. seeks a Web3 Engineer to design, build, and scale tokenization infrastructure for a leading US financial client.

The role spans Ethereum/EVM, Canton/Daml, and various permissioned networks, with a strong emphasis on production-ready systems. Hybrid work locations include Southlake/Austin TX, SF CA, Jersey City NJ, and more; the team emphasizes hands-on builders who can move from architecture to secure implementation, with responsibilities across smart contracts, wallets, and