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Senior Blockchain Developer Jobs in Ontario (NOW HIRING)

Synechron

Senior Data Engineer

Mississauga, ON · Hybrid

CA$105K - CA$120K/yr

... and Blockchain to Data Science models, Digital Underwriting, mobile-first applications and more ... Familiarity with DevOps practices and CI/CD pipelines. * Prior experience working in the banking or ...

Synechron

Sr. GenAI Engineer

Toronto, ON · Hybrid

CA$130K - CA$145K/yr

... & DevOps, Data, and Software Engineering, servicing an array of noteworthy financial services and ... and Blockchain to Data Science models, Digital Underwriting, mobile-first applications and more.

Transak

Compliance Manager, Canada

Toronto, ON · On-site

... built on blockchain and stablecoin rails. Our API and widget-based solutions are used by top ... Engineering, Operations, and Risk. The role reports to the Group Head of Compliance. Key ...

Transak

Compliance Manager, Canada

Toronto, ON

... built on blockchain and stablecoin rails. Our API and widget-based solutions are used by top ... Engineering, Operations, and Risk. The role reports to the Group Head of Compliance. Key ...

Synechron

Senior AI Full Stack Engineer

Toronto, ON · Hybrid

CA$110K - CA$120K/yr

... & DevOps, Data, and Software Engineering, servicing an array of noteworthy financial services and ... and Blockchain to Data Science models, Digital Underwriting, mobile-first applications and more.

Ripple

Senior Customer Success Manager

Toronto, ON · On-site

Collaborate with Product, Engineering, Sales, and Support teams to relay customer feedback from ... Experience with digital assets, blockchain-based payments, or emerging fintech infrastructure is a ...

Maarut

... blockchain nodes, and privacy keys for the private\-transaction layer \n * Validate the Parx\-drafted production runbooks against the live environment; revise where production behaviour differs from ...

Transak

Sales Director, Canada

Toronto, ON · On-site

$180.93 - $278.36/hr

... built on blockchain and stablecoin rails. Our API and widget-based solutions are used by top ... This is a high-impact, senior commercial role responsible for owning revenue, landing top-tier ...

Transak

Sales Director, Canada

Toronto, ON · On-site

... built on blockchain and stablecoin rails. Our API and widget-based solutions are used by top ... This is a high-impact, senior commercial role responsible for owning revenue, landing top-tier ...

Transak

Sales Director, Canada

Toronto, ON · On-site

... built on blockchain and stablecoin rails. Our API and widget-based solutions are used by top ... This is a high-impact, senior commercial role responsible for owning revenue, landing top-tier ...

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Showing results 21-40

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 11, 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.

Is a senior blockchain developer still in demand?

Yes, senior blockchain developers are in high demand due to the growing adoption of blockchain technology across industries such as finance, supply chain, and healthcare. They are sought after for their expertise in smart contract development, decentralized applications, and blockchain security, often requiring proficiency in programming languages like Solidity and experience with blockchain platforms like Ethereum or Hyperledger.

How much do senior blockchain developers get paid?

Senior blockchain developers typically earn between $100,000 and $200,000 annually, depending on experience, location, and company size. They often possess skills in smart contract development, cryptography, and blockchain platforms like Ethereum or Hyperledger.

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 Engineer, Risk Engineering

Bullish

London, ON

Full-time

Posted 20 days ago

Job description

About BullishBullish is an institutionally focused global digital asset platform that provides market infrastructure and information services. These include:BullishExchange- a regulated and institutionally focused digital assets spot and derivatives exchange, integrating a high-performance central limit order book matching engine with automated market making to provide deep and predictable liquidity. Bullish Exchange is regulated in Germany, Hong Kong, and Gibraltar.CoinDeskIndices- a collection of tradable proprietary and single-asset benchmarks and indices that track the performance of digital assets for global institutions in the digital assets and traditional finance industries.CoinDeskData- a broad suite of digital assets market data and analytics, providing real-time insights into prices, trends, and market dynamics.CoinDeskInsights- a digital asset media and events provider and operator ofCoindesk.com, a digital media platform that covers news and insights about digital assets, the underlying markets, policy, and blockchain technology.

Reports to:

Director, Engineering

Engineering Organization & Culture

At Bullish, we are engineering the institutional standard for the digital asset industry. Our mission is to build a platform where security and compliance are the foundational core, requiring a commitment to technical excellence that goes beyond simply delivering code. We operate as a global engineering organization, setting a high bar in a demanding environment for those driven to do the best work of their careers alongside world-class peers.

We value engineers who treat development as a craft and own the outcome from concept to deployment. You will be expected to navigate the unknown, bring structure to ambiguity, and help shape the frameworks and processes that drive our global teams forward. We refuse to compromise on quality and seek problem solvers who thrive on high-impact technical challenges.

The Team: Risk Engineering

The Risk Engineering team builds the high-performance computational backbone that safeguards our exchange operations. Bridging quantitative finance and systems engineering, we optimize the mission-critical risk calculations that evaluate margin requirements, stress scenarios, and portfolio exposures in real-time, ensuring every trade is backed by solid financial guardrails. Our technical domain spans low-latency JVM optimization, zero-allocation hot paths and complex financial modeling.

What You'll Do

  • High-Performance JVM Engineering: Develop and maintain high-quality, scalable, and performant JVM services and APIs, with an eye toward low-latency and efficient memory management.

  • Technical Translation & Risk Modeling: Work closely with senior technical leadership to understand risk models and decompose complex business requirements into well-tested, robust implementations.

  • Cross-Functional Collaboration: Collaborate with quantitative analysts and product teams to implement reliable solutions for financial products and risk models.

  • Continuous Codebase Optimization: Actively optimize and refactor the existing codebase to enhance automated testing, performance, and maintainability.

  • Engineering Excellence: Write clean, well-documented code, participate actively in code reviews, and champion agile best practices within the team.


What You'll Bring

  • Professional Experience: 5+ years of professional experience as a Java backend engineer.

  • Mindset and Ownership: A strong sense of accountability and the agility to thrive and adapt in a dynamic startup environment.

  • Language Proficiency: Advanced proficiency in Java, with a solid understanding of multi-threading, concurrency, and JVM performance tuning.

  • Testing Methodologies: Strong hands-on experience with automated testing methodologies, including unit/integration testing, TDD, and exposure to simulation or stress testing.

  • Software Design Fundamentals: Well-versed in Agile methodologies, design patterns, DRY principles, Clean Code, and microservices architecture.

  • Technical Ecosystem: Proficient with modern DevOps and cloud tools, including Git, Docker, Kubernetes, and cloud platforms (GCP preferred).

  • Financial Domain Awareness: Good foundational understanding of financial products, risk management concepts, or risk methodologies (e.g., SPAN, VaR).

  • Analytical Aptitude: Strong mathematical, analytical, and problem-solving skills.

  • Educational Foundation: Bachelor's degree in Computer Science, Engineering, or a related technical field.


Nice To Haves

  • Familiarity with event-sourced architectures, columnar databases, Kotlin, or low-latency libraries like Chronicle Queue.

  • Interest or minor experience in mentoring junior peers and contributing to a collaborative engineering culture.

Bullish is proud to be an equal opportunity employer. We are fastevolving and striving towards being a globally-diverse community.With integrity at our core, our success is driven by a talented team of individuals and the different perspectives they are encouraged to bring to work every day.

Apply