Blockchain Engineer (Digital Assets & Tokenization)

Position: Blockchain Engineer (Digital Assets & Tokenization)

Location: Jersey City NJ, San Francisco CA, Austin TX & Southlake TX

Key Responsibilities

• Design and build reusable Web3 platform services for tokenization, blockchain connectivity, wallet integration, transaction processing, event ingestion, indexing, and token lifecycle management.

• Develop backend services that interact with blockchain nodes, smart contracts, custody platforms, signing systems, and off-chain enterprise applications.

• Build common blockchain abstraction layers supporting Ethereum/EVM, Hyperledger Besu, Canton/Daml, Layer 2 solutions, permissioned networks, and consortium blockchains.

• Implement blockchain integrations using JSON-RPC, WebSocket subscriptions, smart contract queries, transaction submission, status tracking, and event log processing.

• Engineer and maintain connectivity solutions for Hyperledger Besu, Ethereum-compatible networks, and permissioned EVM-based blockchain ecosystems.

• Support Canton/Daml-based blockchain workflows including participant connectivity, transaction authorization, application lifecycle management, and workflow integration.

• Manage Daml application packages, including deployment, versioning, validation, installation, and production enablement processes.

• Design, develop, integrate, and review smart contracts for tokenized assets, programmable workflows, and digital asset platforms.

• Build smart contract interaction frameworks for ABI encoding/decoding, transaction simulation, calldata generation, event processing, and contract state management.

• Establish engineering standards for smart contract development, testing, deployment, version control, governance, rollback planning, and production releases.

• Implement smart contract security best practices including threat modeling, static code analysis, fuzz testing, invariant testing, and secure deployment pipelines.

• Integrate institutional wallet, custody, signing, and authorization platforms to support blockchain-based asset management and transaction workflows.

• Design transaction orchestration services covering validation, approval routing, policy enforcement, signing, submission, confirmation tracking, exception handling, and audit logging.

• Develop and maintain address management, transaction limit controls, allowlists, approval workflows, signing policies, and operational governance mechanisms.

• Collaborate with platform, infrastructure, security, and operations teams to design scalable, secure, and production-ready Web3 solutions for enterprise digital asset and tokenization platforms.

• 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.

Apply Now:

• Apply Now

• Iris Software Inc.

• Compensation: $90k - $101k estimated

• Location: NJ Jersey City US

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