Web3 Rust Jobs in Irving, TX (NOW HIRING)

Location: Southlake, TX Salary: Depends on Experience Description: Our client is currently seeking a Systems Engineer - Expert
Software Engineer, Digital Assets / Tokenization
Role Summary
Schwab is seeking a Web3 Engineer to help design, build, and scale the next generation of blockchain and tokenization infrastructure. This role will focus on engineering reusable Web3 platform capabilities across smart contracts, token lifecycle services, blockchain connectivity, wallets, custody integrations, transaction orchestration, event indexing, and production-grade distributed systems.
This engineer will work across Ethereum/EVM, Hyperledger Besu, Canton/Daml, permissioned blockchains, public blockchains, private/consortium networks, and emerging tokenization protocols. The role requires a hands-on builder who can move from architecture and prototyping into secure, scalable, production ready Web3 infrastructure.
Key Responsibilities
Web3 Platform Engineering
Design and build reusable Web3 platform services for tokenization, transaction processing, blockchain connectivity, wallet integration, event ingestion, indexing, and token lifecycle management.
Build backend services that interact with blockchain nodes, smart contracts, signing systems, custody platforms, and off-chain systems.
Develop common blockchain abstraction layers that can support multiple networks, including Besu, Canton, Ethereum/EVM, Layer 2 networks, permissioned chains, and future enterprise blockchain platforms.
Build integrations with Hyperledger Besu, Ethereum-compatible networks, and permissioned EVM chains.
Implement blockchain connectivity using JSON-RPC, WebSocket subscriptions, ABI encoding/decoding, event logs, transaction submission, transaction status tracking, and smart-contract queries.
Support engineering patterns for Canton/Daml-based blockchain networks, including validator or participant connectivity, application package lifecycle, transaction authorization, and workflow integration.
Work with Daml application concepts, including DAR package deployment, versioning, installation validation, and application enablement.
Build or integrate services that support Canton-style workflows, institutional transaction authorization, wallet integration, and node connectivity.
Partner with platform, infrastructure, and operations teams to evaluate Canton validator strategies, including self-hosted and provider-operated models where applicable.
Smart Contract & Tokenization Integration Engineering
Design, develop, integrate, and review smart contracts for tokenized asset and programmable workflow use cases.
Work with Solidity, EVM token standards, upgradeable contracts, proxy patterns, access-control models, permissioned-token designs, and contract event models.
Build smart-contract interaction layers that manage ABI encoding, calldata construction, transaction simulation, event decoding, and contract state reads.
Establish engineering standards for smart-contract development, testing, deployment, versioning, rollback planning, and production change governance.
Support smart-contract security practices, including threat modeling, static analysis, fuzzing, invariant testing, and secure deployment pipelines.
Wallet, Signing & Transaction Orchestration Integration
Integrate with institutional wallet, custody, signing, and authorization platforms that support tokenized asset workflows.
Design transaction orchestration workflows covering request validation, policy checks, approval routing, signing, submission, confirmation tracking, retries, exception handling, and audit logging.
Support address or account registration, transaction limits, allowlists, signing policies, approval workflows, an operational controls.
Required Qualifications
5+ years of software engineering experience building distributed systems, backend platforms, financial systems, blockchain infrastructure, custody platforms, trading systems, or high-scale transaction systems.
Strong hands-on Web3 engineering experience.
Deep understanding of Ethereum/EVM, including smart contracts, ABI encoding, transaction lifecycle, gas/fee handling, nonce management, logs/events, confirmations, and finality.
Experience building backend services that interact with blockchain nodes, wallets, smart contracts, signing systems, or custody platforms.
Experience with JSON-RPC, WebSocket subscriptions, blockchain event indexing, smart-contract integration, transaction monitoring, and blockchain data models.
Strong understanding of wallet infrastructure, transaction signing, address management, custody concepts, and key-management patterns.
Strong backend engineering skills in one or more languages such as Java, Go, Kotlin, TypeScript, Rust, Python, or C++.
Experience with APIs, microservices, event-driven architecture, messaging systems, cloud-native engineering, and production operations.
Ability to independently own complex engineering problems from design through production delivery.
Experience with Canton, Daml, validator/participant concepts, DAR deployment, or institutional blockchain workflows.
Preferred Qualifications
Experience with Hyperledger Besu, permissioned EVM networks, or private blockchain deployments.
Experience with Canton, Daml, validator/participant concepts, DAR deployment, or institutional blockchain workflows.
Experience with smart-contract audits, fuzz testing, invariant testing, static analysis, formal verification, or secure smart-contract deployment.
Experience building blockchain indexers, transaction orchestration systems, custody integrations, token lifecycle platforms, or wallet-policy engines.
Experience with token standards such as ERC-20, ERC-721, ERC-1155, ERC-1400, ERC-3643, or other permissioned-token frameworks.
Experience building systems in regulated, security-sensitive, or high-value transaction environments.
Relevant blockchain certifications or training are a plus, including Besu training/certification and Digital Asset Daml/Canton-related certification paths
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