Blockchain Developer

Iris Software Inc.; Southlake (TX); On-site; USD 140,000 - 190,000; Full time

Job summary

Iris Software Inc. is seeking a Blockchain/Web3 Engineer in the Austin/South Lake TX area to architect and build distributed systems and backend platforms connected to blockchain networks.

You will work on tokenization, transaction orchestration, and wallet/custody interfaces, applying secure, scalable, and cloud-native practices across microservices environments. Ideal candidates have 5+ years in software engineering, hands-on Ethereum/EVM and Solidity, and experience with backend integration

Qualifications

• 5+ years of software engineering building distributed systems, backend platforms, financial systems, or blockchain/Web3 apps.
• Strong hands-on Ethereum/EVM, Solidity, and blockchain transaction lifecycle (gas, nonce, confirmations, logs, finality).
• Experience with backend services integrating with blockchain nodes, wallets, custody platforms and signing systems via JSON-RPC or WebSockets.
• Design scalable services for tokenization, transaction orchestration, blockchain connectivity, indexing, and token lifecycle management.
• Experience with microservices, APIs, event-driven architectures, messaging systems, and cloud-native development in Java, Go, TypeScript, Python, or Rust.
• Preferred exposure to Hyperledger Besu, permissioned EVM networks, Canton/Daml, or enterprise blockchain platforms.
• Experience with wallet infrastructure, transaction signing, custody, key-management patterns, and security in regulated environments.

Skills

Distributed systems

Backend platforms

Blockchain/Web3

Ethereum/EVM

Solidity

Smart contracts

JSON-RPC

WebSockets

Microservices

APIs

Event-driven architecture

Messaging systems

Cloud-native development

Java

Go

TypeScript

Python

Rust

Wallet infrastructure

Transaction signing

Key-management

Smart-contract security

Tools

Hyperledger Besu

Permissioned EVM networks

Canton/Daml

Job description

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 desirable.

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