At EY, we’re all in to shape your future with confidence.

We’ll help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go.

Join EY and help to build a better working world.

The opportunity

Our mission at EY is to industrialize blockchain technology for enterprises and large financial institutions. We are an innovative and collaborative group of technical developers, cryptographers, mathematicians and business strategists who are dedicated to the application of blockchain technology and the development of world‑class products. At EY, you will help our clients, some of the most influential companies, explore emergent applications and transform the way the world does business.

We are looking for Senior Software Engineers who are as excited about the future of blockchain and digital assets as we are. As a Senior Software Engineer, you will work in an Agile team to design, build, and deliver scalable, enterprise blockchain applications and digital asset services for our clients. To be successful in this role, you should be versatile, display leadership qualities, and be enthusiastic to take on new problems across the full stack as we continue to push blockchain technology forward.

As a Senior Application Systems Engineer, you will be at the forefront of developing and integrating across diverse platforms such as mobile, web, and tablet. Utilizing standard tools and agile methodologies, your contributions will be crucial in delivering technological solutions that drive our organization’s revenue generation.

Your Key Responsibilities

In this role, you will identify customer requirements and develop components and services that are integral to our software architecture. You will be expected to actively contribute to business processes or solutions, selecting methodologies judiciously to meet client service metrics, quality, risk management, business growth, and teaming objectives.

• Solve technical problems and provide innovative solutions across the full stack: front‑end, back‑end, and blockchain networks like Ethereum (Layer 1 and Layer 2 protocols), and EVM‑compatible protocols
• Translate user stories and technical requirements into functional code
• Build and deliver software systems with SDLC best practices including coding standards, code reviews, source control management, build processes, testing, and operations
• Contribute to the architecture and design of new and current systems, including considerations such as security, reliability, and scaling
• Work with product team to deliver excellent solutions and customer experiences
• Define and execute deliverables with efficiency
• Manage completion of deliverables and maintain engagement economics reports
• Track resource plans and budgets, and handle project statuses
• Participate in client sessions as a workstream member or team lead
• Travel is required based on client needs, and you will be expected to maintain a chargeability level with billable hours to external clients

Skills And Attributes For Success

To thrive in this role, you will need a blend of technical and interpersonal skills that will make a significant impact on our projects.

• You’re an innovator. You keep up to date on emerging technologies (especially blockchain) and are constantly thinking about potential applications.
• You’re comfortable with ambiguity. In fact, you thrive in the face of complex problems with no obvious solutions.
• You’re pragmatic and iterative in building software. You can simplify and get things done quickly with a demonstrated track record of building and delivering high‑quality software.
• You’re a team player. You recognize the accomplishments of the team before the individual and actively foster an innovative and inclusive work environment
• You’re entrepreneurial at heart. You have a passion for making your ideas a reality, building prototypes and ultimately launching production‑scale solutions in the market.
• Agile delivery methodologies
• Proficiency in application development tools, and you demonstrate ability to leverage AI tools effectively for end‑to‑end development lifecycle
• Quality assurance and software development expertise
• Systems integration skills
• Building relationships, client trust, and emotional agility
• Complex problem‑solving abilities

To qualify for the role, you must have

• A Bachelor's degree is required
• Experience typically preferred is 2‑4 years in a relevant field,
• 3+ years of professional engineering experience
• Hands‑on experience with modern full‑stack JavaScript development including Node.js and frameworks such as React and Express; proficiency using client libraries such as ethers.js or web3.js
• Experience designing and implementing RESTful and/or GraphQL APIs
• Experience building cloud native/microservices architecture applications and platforms
• Experience with Agile software development (like Scrum or Kanban)
• Knowledge of professional software engineering practices and the full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations
• Excellent written and verbal communication skills
• Willingness and ability to travel to meet client needs

Ideally, you’ll also have

• Passion for blockchain technology and experience with Ethereum and EVM‑based networks, and solid understanding of protocol and blockchain concepts (accounts, gas, mempool, events, logs etc.)
• Hands‑on experience writing smart contracts in Solidity and familiarity with frameworks (e.g., Hardhat, Foundry, Truffle etc.), and core security practices
• Understanding of digital asset token standards (ERC‑20, ERC‑721, ERC‑1155, ERC‑3643/Tokenized Assets) and familiarity with workflows around stablecoins, tokenized deposits, and tokenized real‑world assets.
• Experience building Web3 applications, integrating with wallets and custody tech (MetaMask, WalletConnect, Fireblocks etc.), transaction orchestration, blockchain monitoring tools
• Experience or knowledge of deploying or interacting with nodes / infrastructure providers such as Infura, Alchemy, QuickNode, or self‑hosted clients
• Experience with containerization technologies such as Docker and Kubernetes
• Previous experience deploying and configuring environments using infrastructure‑as‑code provisioning tools like Terraform and Ansible
• Experience with traditional enterprise technologies including SaaS, ERP systems (like SAP), and enterprise management information systems.

What We Look For

We’re interested in passionate leaders with a strong vision and a desire to stay on top of trends in the Technology Consulting space. If you have a strong passion for helping businesses achieve their IT strategy, this role is for you.

What We Offer

The EY benefits package is designed to support your physical, emotional, financial, and social wellbeing. Our extensive benefits include comprehensive medical, dental, and prescription drug coverage, as well as mental health benefits, a robust Employee Assistance Program and group savings plans to promote your overall wellbeing. We offer generous time off, including personal days, vacation days, and additional firm‑wide holidays, along with the option to purchase extra vacation days. Employees can take advantage of EY’s exclusive learning programs tailored just for them. We also provide internal opportunities for career development and advancement, enabling you to grow within the firm. Get involved in meaningful volunteering through EY Ripples and make a positive impact in the community.

EY reports salary ranges in accordance with applicable provincial pay transparency legislation. Individual salaries within the anticipated salary ranges noted below are determined through a wide variety of factors including but not limited to internal equity, education, relevant experience, knowledge, and applicable skill sets.

• Toronto: $88,000 to $132,000 CAD
• British Columbia: $88,000 to $132,000 CAD
• Victoria: $79,000 to $119,000 CAD

Are you ready to shape your future with confidence? Apply today.

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Inclusiveness at EY

Inclusiveness is at the heart of who we are and how we work. We’re committed to fostering an environment where differences are valued, policies and practices are equitable, and our people feel a sense of belonging. We embrace diversity and are committed to combating systemic racism, advancing gender equity and women in leadership, advocating for the 2SLGBTQIA+ community, promoting our neuroinclusion and accessibility initiatives, and are dedicated to amplifying the voices of Indigenous peoples (First Nations, Inuit, and Métis) nationally as we strive towards reconciliation. Our diverse experiences, abilities, backgrounds, and perspectives make our people unique and help guide us. Because when people feel free to be their authentic selves at work, they bring their best and are empowered to build a better working world.

Learn about our commitment to Inclusiveness at https://www.ey.com/en_ca/about-us/corporate-responsibility/equity