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Senior Blockchain Developer 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

... 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 ...

New

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 ...

Localcoin

Senior Java Developer

Etobicoke, ON · Hybrid

CA$120K - CA$140K/yr

... blockchain technology. As a member of our rapidly growing team, you'll join a talented, dynamic ... As a Senior Java Back-End Developer at Localcoin, you will be responsible for developing and ...

Rivalry

Senior Product Manager TL/DR: At Rivalry, we're not just building another betting site. We're ... engineering teams * Understanding of blockchain technology and its applications * Experience ...

Robinhood

Senior Software Engineer, Wallet

Toronto, ON · On-site

... blockchain applications. We work closely with product managers, product designers, and security ... As a Senior Software Developer , you'll build and own the backend services, infrastructure, and ...

Localcoin

Senior Product Manager

Etobicoke, ON · Hybrid

CA$115K - CA$130K/yr

THE ROLE Salary: $115,000 - $130,000 We're hiring a Senior Product Manager to lead our integrations ... or developer tools. * Strong understanding of cryptocurrency, blockchain technology, and digital ...

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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Showing results 1-20

All JobsBlockchain Developer JobsSenior Blockchain Developer JobsSenior Blockchain Developer Jobs in Ontario

Senior Blockchain Developer information

See Ontario salary details

$96.5K

$145.5K

$179K

How much do senior blockchain developer jobs pay per year?

As of Aug 31, 2026, the average yearly pay for senior blockchain developer in Ontario is $145,529.00, according to ZipRecruiter salary data. Most workers in this role earn between $125,500.00 and $166,500.00 per year, depending on experience, location, and employer.

What is a senior blockchain developer?

A Senior Blockchain Developer is an experienced software engineer who specializes in designing, developing, and maintaining blockchain-based applications and systems. They work with distributed ledger technologies, smart contracts, and various blockchain protocols such as Ethereum, Hyperledger, or Solana. Senior Blockchain Developers are responsible for architecting secure and scalable solutions, leading development teams, and staying up-to-date with industry advancements. Their role often involves collaborating with stakeholders, ensuring code quality, and mentoring junior developers.

What are the key skills and qualifications needed to thrive as a senior blockchain developer?

To thrive as a Senior Blockchain Developer, you need advanced programming skills (especially in languages like Solidity, Go, or Rust), deep understanding of blockchain protocols, and a track record in designing and deploying decentralized applications. Proficiency with tools such as Ethereum, Hyperledger, smart contract development frameworks, and familiarity with security best practices are typically required. Strong problem-solving abilities, collaboration, and clear communication are essential soft skills for leading projects and mentoring teams. These skills ensure the secure, efficient, and innovative development of blockchain solutions in a rapidly evolving technology landscape.

What are some common challenges senior blockchain developers face when integrating blockchain solutions with existing enterprise systems?

Senior Blockchain Developers often encounter challenges when integrating blockchain technology with legacy enterprise systems, such as ensuring seamless data interoperability, maintaining security standards, and managing scalability. These integrations may require custom middleware, careful mapping of data flows, and alignment with existing compliance frameworks. Collaborating closely with DevOps, security teams, and business analysts is essential to address these hurdles effectively and to create robust, scalable blockchain solutions that deliver real business value.

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

AspectSenior Blockchain DeveloperBlockchain Engineer
Required CredentialsBS/MS in Computer Science, certifications like Certified Blockchain DeveloperSimilar credentials, often with additional focus on infrastructure
Work EnvironmentDevelops blockchain applications, smart contracts, and protocolsBuilds and maintains blockchain infrastructure and networks
Employer & Industry UsageTech companies, startups, financial institutionsBlockchain firms, fintech, enterprise solutions
Search & Comparison IntentUnderstanding roles in blockchain developmentFocus on blockchain infrastructure and network engineering

While both roles involve blockchain technology, Senior Blockchain Developers primarily focus on creating applications and smart contracts, whereas Blockchain Engineers concentrate on building and maintaining blockchain infrastructure. Both roles require similar skills and credentials, but their day-to-day tasks and focus areas differ within the blockchain ecosystem.

What are the most commonly searched types of Blockchain Developer jobs in Ontario?

The most popular types of Blockchain Developer jobs in Ontario are:

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

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

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

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

What cities in Ontario are hiring for Senior Blockchain Developer jobs?

Cities in Ontario with the most Senior Blockchain Developer job openings:

Senior Blockchain Developer jobs near you
Infographic showing various Senior Blockchain Developer job openings in Ontario as of August 2026, with employment types broken down into 72% Full Time, 14% Part Time, and 14% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution, with an average salary of $145,529 per year, or $70 per hour.

Senior Blockchain Developer - Operate

Deloitte

Toronto, ON • On-site, Remote

CA$72K - CA$138K/yr

Full-time

Life, PTO

Posted 12 days ago

Deloitte rating

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

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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