Blockchain Lead

Toronto, ON
Hybrid
Posted Oct 9, 2026
1 position

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Employment type: Contract
Experience level: Lead · 10+ years
Posting language: English
Working hours: 40 hours per week
Office presence: 3 days per week
Seniority: Mid-Senior level
Application method: Direct apply is available

Job summary

Lead enterprise architecture and solution strategy for blockchain-based digital asset and tokenization platforms, covering backend services, frontends, smart contracts, blockchain networks, and institutional custody. Establish architecture and compliance governance, guide technical roadmaps and audits, and mentor teams delivering secure, production-ready solutions.

Job details

Iris Software's client one of the leading Bank is looking to hire for the following roles Title: Block Chain Architect - Digital Assets & Tokenization Location: Toronto ON Hybrid: 2- 3 days onsite Key Responsibilities: Full Stack Architect – Digital Assets & Tokenization Lead enterprise architecture and solution strategy for blockchain-enabled digital asset and tokenization platforms, including real-world assets, digital securities, and institutional custody workflows. Define scalable end-to-end architectures across backend services, React/Next.js frontends, smart contracts, EVM networks, and enterprise blockchain platforms such as Hyperledger Besu and Kaleido. Provide architectural leadership for smart contract standards, including ERC-20, ERC-721, ERC-1155, ERC-3643, and ERC-1400, with a focus on security, upgradeability, and gas optimization. Design integration strategies for MPC wallet providers such as Fireblocks, DFNS, Turnkey, and BitGo, including secure transaction signing and institutional custody workflows. Establish architecture standards for Web3 applications using Ethers.js, Viem, Wagmi, Node.js, Go, or Rust to support scalable and reliable platforms. Drive smart contract audit governance, KYC/AML integration, transaction monitoring, and compliance requirements across tokenized asset solutions. Lead architecture governance, technical roadmaps, ADRs, and cross-functional collaboration while mentoring engineering teams and ensuring production-ready implementations. 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.

What you’ll do

Requirements

The role calls for senior-level expertise designing full-stack blockchain architectures and smart contract standards, with attention to security, upgradeability, and gas optimization. It also requires experience with institutional MPC wallet integrations, Web3 technologies, compliance workflows such as KYC/AML, and cross-functional architecture leadership.