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# Web3 Engineer

- **Company:** The Smart
- **Location:** Dallas, TX, United States
- **Experience:** Expert
- **Salary:** $124,800.0 - $166,400.0
- **Contract:** Temporary to permanent
- **Skills:** Java (Programming Language), Abstraction Layers, Audit Trail, C++ (Programming Language), Digital Assets, Distributed Systems, JSON, Python (Programming Language), Key Management, Blockchain, Software Engineering, Systems Integration, Tokenization, TypeScript, WebSocket, Rust (Programming Language), Transaction Processing (Computing), Spring Cloud, Indexer, Backend, Kotlin, Event Driven Architecture, Hyperledger, Ethereum, Web3.js, Api Design, Golang, Microservices
- **Published:** August 1, 2026
- **Apply:** https://www.careerjet.com/jobad/us75f90618e8180c3906cc1deb2b3e9aae

## About the Role

* 5+ years of software engineering experience developing distributed systems, financial platforms, or high-scale transaction systems.
 * Strong hands-on Web3 engineering experience with blockchain platforms and decentralized applications.
 * Deep expertise in Ethereum/EVM architecture, smart contracts, transaction lifecycle management, and blockchain data models.
 * Experience integrating with blockchain nodes, wallets, custody platforms, signing systems, and smart contracts.
 * Strong knowledge of JSON-RPC, WebSockets, event indexing, transaction monitoring, and blockchain connectivity.
 * Experience with wallet infrastructure, digital asset custody, transaction signing, and key management practices.
 * Proficiency in one or more languages such as Java, Go, Kotlin, TypeScript, Rust, Python, or C++.
 * Experience developing APIs, microservices, event-driven architectures, and cloud-native applications.
 * Experience with Canton, Daml, validator/participant concepts, DAR deployments, or institutional blockchain workflows.
 * Experience with Hyperledger Besu, token standards (ERC-20, ERC-721, ERC-1155, ERC-1400, ERC-3643), smart contract security, and regulated financial environments preferred.

## Description

As a Web3 Engineer, you will design, develop, and support blockchain-based platforms focused on digital assets, tokenization, smart contracts, wallet integrations, and transaction orchestration. You will build secure, scalable, and production-ready Web3 infrastructure across public, private, and permissioned blockchain networks while supporting enterprise-grade distributed systems., * Design and develop Web3 platform services for tokenization, blockchain connectivity, and transaction processing.

 * Build backend services that integrate with blockchain nodes, wallets, custody platforms, and smart contracts.
 * Develop blockchain abstraction layers supporting Ethereum/EVM, Besu, Canton/Daml, and permissioned networks.
 * Implement blockchain integrations using JSON-RPC, WebSockets, event indexing, and transaction monitoring.
 * Design, develop, and support smart contracts and tokenization solutions.
 * Build transaction orchestration workflows including validation, signing, approval routing, and audit logging.
 * Integrate institutional wallet, custody, and key management platforms.
 * Establish standards for smart contract testing, deployment, governance, and security.
 * Collaborate with infrastructure and operations teams to support blockchain platform scalability and reliability.
 * Troubleshoot and optimize Web3 applications and production environments.


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