Software Engineer, Digital Assets & Tokenization
Job in
Southlake, Tarrant County, Texas, 76092, USA
Listed on 2026-10-24
Listing for:
Apex Systems
Full Time
position Listed on 2026-10-24
Job specializations:
-
Software Development
Blockchain / Web3, Backend Developer, Solidity Developer/ Blockchain, Software Engineer
Job Description & How to Apply Below
Job Description:
Software Engineer, Digital Assets & Tokenization Hybrid in Southlake, TX or Austin, TXAbout the Role We are seeking a highly skilled Software Engineer, Digital Assets & Tokenization to design, build, and scale next-generation blockchain and tokenization infrastructure. This role is ideal for a hands-on engineer passionate about Web3 technologies, distributed systems, and digital asset platforms.
You will develop reusable blockchain capabilities across smart contracts, token lifecycle management, wallet and custody integrations, transaction orchestration, event indexing, and enterprise-grade distributed systems. The position offers the opportunity to work across public and private blockchain networks, including Ethereum/EVM, Hyperledger Besu, Canton/Daml, Layer 2 solutions, and emerging tokenization protocols.
Key Responsibilities
Web3 Platform Engineering Design and develop scalable Web3 platform services for tokenization, blockchain connectivity, wallet integration, transaction processing, and event indexing.
Build backend services that interact with blockchain nodes, smart contracts, custody platforms, signing systems, and off-chain applications.
Create blockchain abstraction layers supporting multiple networks and enterprise blockchain platforms.
Develop integrations with Ethereum-compatible networks, Hyperledger Besu, permissioned blockchains, and Canton/Daml ecosystems.
Implement blockchain connectivity using JSON-RPC, Web Sockets, smart contract queries, transaction monitoring, and event processing.
Support Canton/Daml workflows, including participant connectivity, application package management, transaction authorization, and workflow integration.
Smart Contract & Tokenization Development Design, develop, and integrate smart contracts for tokenized assets and programmable business workflows.
Build services for smart contract interaction, transaction simulation, event decoding, and contract state management.
Establish standards for smart contract testing, deployment, governance, and lifecycle management.
Implement security best practices, including threat modeling, static analysis, fuzz testing, and secure deployment pipelines.
Wallet & Transaction Infrastructure Integrate institutional wallet, custody, signing, and authorization platforms.
Design transaction orchestration workflows covering validation, approvals, signing, submission, monitoring, exception handling, and audit logging.
Support address management, transaction controls, approval workflows, and operational governance.
Required Qualifications 5+ years of software engineering experience building distributed systems, financial platforms, blockchain infrastructure, transaction systems, or custody solutions.
Strong hands-on experience with Web3 and blockchain engineering.
Deep knowledge of Ethereum/EVM architecture, smart contracts, transaction life cycles, gas management, events, confirmations, and finality.
Experience integrating with blockchain nodes, wallets, custody platforms, signing systems, and smart contracts.
Proficiency with JSON-RPC, Web Sockets, blockchain event indexing, transaction monitoring, and blockchain data models.
Strong understanding of wallet infrastructure, digital asset custody, key management, and transaction signing.
Proficiency in one or more programming languages such as Java, Go, Kotlin, Type Script, Rust, Python, or C++.Experience building APIs, microservices, event-driven systems, cloud-native applications, and production services.
Ability to independently lead complex projects from architecture through production deployment.
Preferred Qualifications
Experience with Hyperledger Besu, permissioned EVM networks, or private blockchain deployments.
Experience with Canton, Daml, validator/participant architectures, DAR deployment, and institutional blockchain workflows.
Knowledge of smart contract security, auditing, formal verification, fuzz testing, and secure deployment practices.
Experience building blockchain indexers, token lifecycle platforms, transaction orchestration systems, or custody integrations.
Familiarity with token standards including ERC-20, ERC-721, ERC-1155, ERC-1400, and ERC-3643.Experience working in highly regulated, security-sensitive, or high-value transaction environments.
Blockchain certifications or training related to Ethereum, Besu, Canton, or Daml are a plus. Why Join Us?
Build innovative digital asset and tokenization solutions.
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