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Senior Blockchain Engineer Jobs in Ontario (NOW HIRING)

Deloitte

Senior Blockchain Developer - Operate

Toronto, ON · On-site +1

CA$72K - CA$138K/yr

Learn from deep subject matter experts through mentoring and on the job coaching Summary We are seeking a Senior Blockchain Developer to join our team on a 1-year fixed term . In this role, you will ...

Circle

As a member of the Data Engineering Blockchain team, you own the ETL/ELT pipelines and data ... For Senior Data Engineer (III) * 4+ years of professional data engineering experience. * Proficient ...

New

Worthland

Senior Backend Engineer (Web3)

Toronto, ON

Role Overview We are seeking a Senior Backend Engineer (Web3) with strong expertise in Go and TypeScript to join a high-performance blockchain infrastructure team. The ideal candidate will have on ...

Worthland

Senior Backend Engineer (Web3)

Toronto, ON

Role Overview We are seeking a Senior Backend Engineer (Web3) with strong expertise in Go and TypeScript to join a high-performance blockchain infrastructure team. The ideal candidate will have on ...

Socket.dev

As a Senior Android Developer, you'll build and own new product features for the Robinhood Wallet ... Experience working for a DeFi protocol, a crypto wallet company, or another blockchain-related ...

Robinhood

Senior Android Engineer, Wallet

Toronto, ON

... blockchain applications. We work closely with product managers, product designers, and backend ... As a Senior Android Developer , you'll build and own new product features for the Robinhood Wallet ...

Worthland

Senior QA Engineer Position: Senior QA Engineer Experience: 3+ Years Location: Vancouver, BC ... Using account abstraction and AI-powered financial copilots, the platform makes blockchain ...

Worthland

Senior QA Engineer Position: Senior QA Engineer Experience: 3+ Years Location: Vancouver, BC ... Using account abstraction and AI-powered financial copilots, the platform makes blockchain ...

Worthland

Senior QA Engineer

Toronto, ON · On-site +1

Senior QA Engineer Position: Senior QA Engineer Experience: 3+ Years Location: Vancouver, BC ... Using account abstraction and AI-powered financial copilots, the platform makes blockchain ...

Worthland

Senior QA Engineer Position: Senior QA Engineer Experience: 3+ Years Location: Vancouver, BC ... Using account abstraction and AI-powered financial copilots, the platform makes blockchain ...

Worthland

Senior QA Engineer

Toronto, ON · On-site +1

Senior QA Engineer Position: Senior QA Engineer Experience: 3+ Years Location: Vancouver, BC ... Using account abstraction and AI-powered financial copilots, the platform makes blockchain ...

Worthland

Senior QA Engineer Position: Senior QA Engineer Experience: 3+ Years Location: Vancouver, BC ... Using account abstraction and AI-powered financial copilots, the platform makes blockchain ...

Worthland

Senior QA Engineer Position: Senior QA Engineer Experience: 3+ Years Location: Vancouver, BC ... Using account abstraction and AI-powered financial copilots, the platform makes blockchain ...

Worthland

Senior QA Engineer Position: Senior QA Engineer Experience: 3+ Years Location: Vancouver, BC ... Using account abstraction and AI-powered financial copilots, the platform makes blockchain ...

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All JobsBlockchain Engineer JobsSenior Blockchain Engineer JobsSenior Blockchain Engineer Jobs in Ontario

Senior Blockchain Engineer information

What does a senior blockchain engineer do?

A Senior Blockchain Engineer is responsible for designing, developing, and maintaining blockchain-based systems and applications. They lead the implementation of secure and scalable smart contracts, decentralized applications (dApps), and blockchain protocols. These professionals often collaborate with cross-functional teams to integrate blockchain technology into existing systems, ensure security best practices, and troubleshoot complex issues. Their role also includes staying updated on emerging blockchain trends and mentoring junior engineers within the team.

What are the key skills and qualifications needed to thrive as a senior blockchain engineer, and why are they important?

To thrive as a Senior Blockchain Engineer, you need advanced knowledge of blockchain architectures, cryptography, smart contract development, and programming languages like Solidity or Rust, typically supported by a degree in computer science or related field. Familiarity with distributed ledger technologies, consensus algorithms, cloud platforms, and tools such as Ethereum, Hyperledger, and Docker is crucial, and certifications like Certified Blockchain Developer can be advantageous. Strong problem-solving abilities, attention to detail, and effective communication skills help you collaborate with cross-functional teams and address complex technical challenges. These competencies are vital for building secure, scalable, and innovative blockchain solutions that meet organizational and industry standards.

What are some typical challenges faced by senior blockchain engineers when working on enterprise-level projects?

Senior Blockchain Engineers often encounter challenges such as ensuring scalability and security of blockchain solutions, integrating with legacy systems, and meeting regulatory compliance requirements. Working on enterprise projects typically involves collaborating with cross-functional teams, including product managers, security experts, and backend developers, to align technical solutions with business objectives. Staying updated with rapidly evolving blockchain frameworks and protocols is also essential, as is troubleshooting issues that may arise during deployment or operation of decentralized applications.

What is the difference between Senior Blockchain Engineer vs Blockchain Developer?

AspectSenior Blockchain EngineerBlockchain Developer
Required CredentialsBachelor's/Master's in CS, experience with blockchain protocolsBachelor's in CS or related, coding skills in blockchain languages
Work EnvironmentDesigning blockchain architecture, leading projectsDeveloping smart contracts, coding blockchain applications
Industry UsageUsed in enterprise solutions, financial servicesUsed in DApps, startups, and blockchain projects
Search & Comparison IntentHigher-level roles, architecture, leadershipDevelopment, coding, implementation

While both roles involve blockchain technology, a Senior Blockchain Engineer typically focuses on designing blockchain systems and leading projects, requiring more experience and strategic oversight. In contrast, a Blockchain Developer primarily concentrates on coding and implementing blockchain applications. Both roles are essential in blockchain projects but differ in scope and responsibilities.

What are popular job titles related to Senior Blockchain Engineer jobs in Ontario?

For Senior Blockchain Engineer jobs in Ontario, the most frequently searched job titles are:

What job categories do people searching Senior Blockchain Engineer jobs in Ontario look for?

The top searched job categories for Senior Blockchain Engineer jobs in Ontario are:

Senior Blockchain Engineer jobs near you
Infographic showing various Senior Blockchain Engineer job openings in Ontario as of August 2026, with employment types broken down into 85% Full Time, 11% Part Time, and 4% Contract. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution.

Senior Blockchain Developer - Operate

Toronto, ON • On-site, Remote

Deloitte
Finance and Insurance • 10K+ employees

8.2

Company rating: 8.2 out of 10

Based on 93 frontline employees who took The Breakroom Quiz

45th of 152 rated financial services

Good employer

Recommended by students

Paid breaks

Learn more about Deloitteexternal

CA$72K - CA$138K/yr

Full-time

Life, PTO

Posted 13 days ago

Job description

Job Type: Temporary Contract 
Work Model: Hybrid 
Reference code: 134690   
Primary Location: Toronto, ON  
All Available Locations: Toronto, ON

Our Purpose

At Deloitte, our Purpose is to make an impact that matters. We exist to inspire and help our people, organizations, communities, and countries to thrive by building a better future. Our work underpins a prosperous society where people can find meaning and opportunity. It builds consumer and business confidence, empowers organizations to find imaginative ways of deploying capital, enables fair, trusted, and functioning social and economic institutions, and allows our friends, families, and communities to enjoy the quality of life that comes with a sustainable future. And as the largest 100% Canadian-owned and operated professional services firm in our country, we are proud to work alongside our clients to make a positive impact for all Canadians.


By living our Purpose, we will make an impact that matters.

  • Have many careers in one Firm.
  • Enjoy flexible, proactive, and practical benefits that foster a culture of well-being and connectedness.
  • Learn from deep subject matter experts through mentoring and on the job coaching
Summary
We are seeking a Senior Blockchain Developer to join our team on a 1-year fixed term. In this role, you will design, develop, and maintain enterprise-grade blockchain solutions that support digital asset and tokenization initiatives. You will work closely with architects, infrastructure engineers, and business stakeholders to build secure, scalable, and innovative blockchain applications using modern smart contract technologies and EVM-compatible platforms.
What will your typical day look like?
  • Design, develop, and maintain production-grade smart contracts using Solidity.
  • Build and support tokenization and digital asset management solutions on enterprise blockchain platforms.
  • Develop and execute automated testing strategies using blockchain development frameworks.
  • Participate in code reviews, architecture discussions, and security assessments.
  • Collaborate with architects, DevOps engineers, and product teams to deliver technical solutions.
  • Support smart contract deployment, monitoring, and troubleshooting activities.
  • Participate in external audit preparation and remediation efforts.
  • Create technical documentation and contribute to development standards and best practices.
  • Research emerging blockchain technologies and recommend improvements to the platform.
About the team

This is your opportunity to work in Operate at Deloitte. Operate services harness the latest technologies, talent, and capabilities from all over the world to deliver ongoing outcomes and client value. We do more than traditional business process outsourcing. We do more than just “keeping the lights on.” We work shoulder-to-shoulder with clients and their customers, constantly adapting to the pace of change, to ideate, innovate, and embed continuous advantage at the heart of their operations. And we do it with the kind of drive and passion that comes from loving what you do and who you do it with.

Enough about us, let’s talk about you


You are someone with these required skills, experience & qualifications:

  • 5+ years of software development experience.
  • 3+ years of blockchain development experience.
  • Strong hands-on experience with Solidity.
  • Deep understanding of Ethereum Virtual Machine (EVM) architecture.
  • Experience with Hardhat, Foundry, Truffle, or similar blockchain development frameworks.
  • Experience building and deploying smart contracts in production environments.
  • Strong understanding of tokenization concepts and digital assets.
  • Experience with enterprise blockchain platforms such as Hyperledger Besu, Quorum, or Ethereum.
  • Knowledge of smart contract security practices and common vulnerabilities.
  • Experience working with Git, CI/CD pipelines, and Agile methodologies.
  • Bachelor's degree in Computer Science, Engineering, or a related discipline, or equivalent practical experience.
  • Strong communication and collaboration skills.


It would be great for you to have some of these nice to haves as well:

  • Experience with ERC-20, ERC-721, ERC-1155, or ERC-3643 token standards.
  • Experience participating in smart contract security audits.
  • Knowledge of privacy-enhancing technologies and zero-knowledge proofs.
  • Experience with digital asset platforms or tokenization solutions.
  • Exposure to cloud platforms such as Azure, AWS, or Google Cloud.
  • Contributions to blockchain open-source projects.
Total Rewards


The salary range for this position is $72,000 - $138,000, and individuals may be eligible to participate in our bonus program. Deloitte is fair and competitive when it comes to the salaries of our people. We regularly benchmark across a variety of positions, industries, sectors, targets, and levels. Our approach is grounded on recognizing people's unique strengths and contributions and rewarding the value that they deliver.
Our Total Rewards Package extends well beyond traditional compensation and benefit programs and is designed to recognize employee contributions, encourage personal wellness, and support firm growth.  Along with a competitive base salary and variable pay opportunities, we offer a wide array of initiatives that differentiate us as a people-first organization. On top of our regular paid vacation days, some examples include: $4,000 per year for mental health support benefits, a $1,300 flexible benefit spending account, firm-wide closures known as "Deloitte Days", dedicated days of for learning (known as Development and Innovation Days), flexible work arrangements and a hybrid work structure.

Our promise to our people: Deloitte is where potential comes to life.

Be yourself, and more.

We are a group of talented people who want to learn, gain experience, and develop skills. Wherever you are in your career, we want you to advance.
You shape how we make impact.

Diverse perspectives and life experiences make us better. Whoever you are and wherever you’re from, we want you to feel like you belong here. We provide flexible working options to support you and how you can contribute.
Be the leader you want to be

Some guide teams, some change culture, some build essential expertise. We offer opportunities and experiences that support your continuing growth as a leader.
Have as many careers as you want.

We are uniquely able to offer you new challenges and roles – and prepare you for them. We bring together people with unique experiences and talents, and we are the place to develop a lasting network of friends, peers, and mentors.
The next step is yours

At Deloitte, we are all about doing business inclusively – that starts with having diverse colleagues of all abilities. Deloitte encourages applications from all qualified candidates who represent the full diversity of communities across Canada. This includes, but is not limited to, people with disabilities, candidates from Indigenous communities, and candidates from the Black community in support of living our values, creating a culture of Diversity Equity and Inclusion and our commitment to our AccessAbility Action Plan, Reconciliation Action Plan and the BlackNorth Initiative.

We encourage you to connect with us at accessiblecareers@deloitte.ca if you require an accommodation for the recruitment process (including alternate formats of materials, accessible meeting rooms or other accommodations) or indigenouscareers@deloitte.ca  for any questions relating to careers for Indigenous peoples at Deloitte (First Nations, Inuit, Métis).

When you apply, we will review your application using Deloitte's Global Talent Standards to ensure a consistent  recruitment experience. Our recruitment advisors and hiring teams will utilize human screening combined with AI technology to help identify the skills and qualities that matter most to our business, while safeguarding your privacy and using AI responsibly.

Deloitte Canada has 20 offices with representation across most of the country. We acknowledge that Deloitte offices stand on traditional, treaty, and unceded territories in what is now known as Canada. We recognize that Indigenous Peoples have been the caretakers of this land since time immemorial, nurturing its resources and preserving its natural beauty. We acknowledge this land is still home to many First Nations, Inuit, and Métis Peoples, who continue to maintain their deep connection to the land and its sacred teachings. We humbly acknowledge that we are all Treaty people, and we commit to fostering a relationship of respect, collaboration, and stewardship with Indigenous communities in our shared goal of reconciliation and environmental sustainability.

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