Blockchain / Web3 Engineer — Iris Software Inc.

The Bitcoin Street Journal; Austin (TX); Hybrid; USD 140,000 - 180,000; Full time

Job summary

Iris Software Inc. in Austin seeks a Blockchain/Web3 Engineer with 5+ years in distributed systems to build backend services for blockchain apps. You will work with Ethereum/EVM, Solidity, and tools like JSON-RPC and WebSockets to connect nodes, wallets, and custody platforms.

Ideal candidates have experience with tokenization, event-driven architectures, and microservices in cloud-native environments, plus familiarity with Besu or enterprise blockchain platforms.

Qualifications

• 5+ years of software engineering experience building distributed systems, backend platforms, financial systems, or blockchain/Web3 applications.
• Strong hands-on experience with Ethereum/EVM, smart contracts, Solidity, and blockchain transaction lifecycle (gas, nonce, confirmations, logs, finality).
• Backend services that integrate with blockchain nodes, wallets, custody platforms, signing systems, and smart contracts via JSON-RPC and WebSockets.
• Design scalable services for tokenization, transaction orchestration, blockchain connectivity, event ingestion, indexing, and token lifecycle management.
• Experience with microservices, APIs, event-driven architecture, messaging systems, and cloud-native development using Java, Go, TypeScript, Python, Rust or similar.
• 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, and production deployment in regulated environments is highly desirable.

Responsibilities

• Design and implement distributed backend services to support blockchain and Web3 apps.
• Integrate with blockchain nodes, wallets, and custody platforms using resilient APIs (JSON-RPC, WebSockets).
• Develop scalable tokenization, transaction orchestration, and event ingestion pipelines.
• Deploy and monitor microservices in cloud-native environments with secure practices.

Skills

Ethereum/EVM

Smart contracts

Solidity

JSON-RPC

WebSockets

Microservices

APIs

Event-driven architecture

Java

Go

TypeScript

Python

Rust

Cloud-native

Wallet infrastructure

Tools

Hyperledger Besu

Permissioned EVM networks

Canton/Daml

Enterprise blockchain platforms

Job description

• Company: Iris Software Inc.
• Location: TX Austin US
• Sector: Blockchain
• Source: web3.career

Iris Software’s client one of the leading Financial Services Company is looking to hire for the following roles

Job Title: Blockchain / Web3 Engineer

Location – Austin TX/ South Lake TX

Job Description

5+ years of software engineering experience building distributed systems, backend platforms, financial systems, or blockchain/Web3 applications

.Strong hands-on experience with Ethereum/EVM, smart contracts, Solidity, and blockchain transaction lifecycle, including gas, nonce management, confirmations, logs, and finality.

Experience building backend services that integrate with blockchain nodes, wallets, custody platforms, signing systems, and smart contracts using technologies such as JSON-RPC and WebSockets.

Design and develop scalable services for tokenization, transaction orchestration, blockchain connectivity, event ingestion, indexing, and token lifecycle management.

Experience with microservices, APIs, event-driven architecture, messaging systems, and cloud-native application development using Java, Go, TypeScript, Python, Rust, or similar languages.

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 or security-sensitive environments is highly desirab

le.

About Iris Software

Inc.

With 4,000+ associates and offices in India, U.S.A. and Canada, Iris Software delivers technology services and solutions that help clients complete fast, far-reaching digital transformations and achieve their business goals. A strategic partner to Fortune 500 and other top companies in financial services and many other industries, Iris provides a value-driven approach – a unique blend of highly-skilled specialists, software engineering expertise, cutting-edge technology, and flexible engagement models. High customer satisfaction has translated into long-standing relationships and preferred-partner status with many of our clients, who rely on our 30+ years of technical and domain expertise to future-proof their enterprises. Associates of Iris work on mission-critical applications supported by a workplace culture that has won numerous awards in the last few years, including Certified Great Place to Work in India; Top 25 GPW in IT & IT-BPM; Ambition Box Best Place to Work, #3 in IT/ITES; and Top Workplace NJ

-USA.