Senior Blockchain & Web3 Engineer

Iris Software Inc.; Austin (TX); On-site; USD 120,000 - 180,000; Full time

Job summary

Iris Software Inc. is seeking a Blockchain / Web3 Engineer in Austin, TX to design and build scalable backend services interacting with blockchain networks, tokenization, and orchestration workflows.

You will work with Ethereum/EVM, smart contracts, and token lifecycle management, integrating with nodes, wallets, and signing systems, using JSON-RPC and WebSockets in a secure, cloud-native environment.

Qualifications

• 5+ years of software engineering experience building distributed systems or blockchain/Web3 applications.
• Strong hands-on experience with Ethereum/EVM, smart contracts, Solidity, and blockchain transaction lifecycle.
• Experience building backend services that integrate with blockchain nodes, wallets, custody platforms, signing systems, and smart contracts.
• Design scalable services for tokenization, transaction orchestration, blockchain connectivity, event ingestion, indexing, and token lifecycle management.
• Experience with microservices, APIs, event-driven architecture, and cloud-native development using Java, Go, TypeScript, Python, or Rust.
• Preferred experience with Hyperledger Besu, permissioned EVM networks, Canton/Daml, or enterprise blockchain platforms.
• Experience with wallet infrastructure, transaction signing, custody, key-management patterns, smart-contract security, testing, and production deployment in regulated environments.

Skills

Blockchain

Ethereum/EVM

Solidity

Backend development

Distributed systems

Tools

JSON-RPC

WebSockets

Hyperledger Besu

Canton/Daml

enterprise blockchain

Job description

Iris Software Inc. is seeking a Blockchain / Web3 Engineer in Austin, TX to design and build scalable backend services interacting with blockchain networks, tokenization, and orchestration workflows.

You will work with Ethereum/EVM, smart contracts, and token lifecycle management, integrating with nodes, wallets, and signing systems, using JSON-RPC and WebSockets in a secure, cloud-native environment.