Senior Associate, Assurance Advisory (Blockchain & Digital Assets), Financial Services

As a Senior Associate in EY's Assurance Advisory (Technology) practice, you'll work directly with clients across blockchain and digital assets engagements. You'll audit and review blockchain technologies, smart contracts, and digital asset infrastructure-taking into account code and technology risks, business logic, custody, regulatory compliance, and cyber threats. You'll present insights, craft deliverables, ensure regulatory compliance, and provide assurance services that shape real business decisions.

What you'll do

• Understand clients' digital assets businesses and activities
• Perform technical audit procedures related to blockchain technologies to support financial audit teams, which may include writing scripts to extract data from blockchains and smart contracts or to automate certain procedures
• Perform digital assets evaluation for various tokens and blockchain networks, including evaluation of underlying blockchain technologies, consensus mechanisms, tokenomics, governance, and level of decentralisation
• Review custody technologies and infrastructure, private key management, segregation of customers' assets, governance and controls against relevant regulatory requirements
• Perform automated and static code review of smart contracts, predominantly in Solidity
• Plan and manage projects, timelines and deliverables related to digital asset engagements
• Provide advisory and subject matter expertise on blockchain and digital assets to internal teams and external clients

What you bring

• Minimum 2 years of relevant work experience in blockchain and smart contracts in a technical role
• Experience coding smart contracts in Solidity and other scripting languages such as Javascript, NodeJS, or Python
• A good understanding of Ethereum blockchain ERC standards, EIPs, and various DeFi protocols such as staking and DApps
• Understanding of various digital asset custody technologies
• A genuine curiosity about technology, especially blockchain, digital assets, cybersecurity, and technology risks
• Confident communication skills-you can command a presentation and distil complex technology concepts for both technical and non-technical audiences
• Sharp analytical thinking to gather information from multiple sources, spot patterns, frame problems correctly, and recommend practical solutions
• Ability to work collaboratively in cross-functional environments, manage relationships across teams, and contribute meaningfully across diverse client sectors
• Good project and time management skills, with the ability to handle multiple workstreams without compromising quality or detail
• Integrity and professionalism-you understand that in Assurance Advisory, trust is paramount
• Ability to adapt quickly to changing environments and priorities

Nice to have

• Experience reviewing and testing smart contracts and tools used to scan for vulnerabilities
• Familiarity with securing hot and cold wallets and private key management
• Experience in penetration testing and cybersecurity
• A degree in an IT-related field
• Experience writing automation test scripts
• Prior working experience in DeFi projects

What we offer

• World-class learning and development
• Mentorship from partners who invest in your growth
• Exposure to Fortune 500 clients
• Flexibility to shape a career path that is yours

About EY

EY is a globally integrated professional services organization with a dedicated team focused on blockchain and digital asset engagements. EY serves digital asset exchanges, funds, fund managers, custodians, and private equity firms, providing integrated advisory, assurance, compliance, tax, and transaction services.