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Smart Contract Developer Jobs in Quebec (NOW HIRING)

ABB

Hybrid This role is contributing to the Smart Power and Smart Building division in Canada. You will ... Work with PMM or Engineering to provide alternate materials if possible. * Work as a project ...

MaintainX

Senior Solutions Consultant

Montreal, QC · Remote

CA$150/day

Provide the necessary tools and processes to accelerate deals, execute contracts, and improve sales ... Personality traits: empathic, positive, passionate, creative, smart, high integrity, startup ...

Optel

Field Technician

Quebec, QC · On-site

OPTEL also adapts its technologies to a variety of sectors, from healthcare to smart manufacturing ... Conduct engineering visits when required; Produce detailed service reports; Identify potential ...

Optel

Field Technician

Quebec, QC · On-site

OPTEL also adapts its technologies to a variety of sectors, from healthcare to smart manufacturing ... Conduct engineering visits when required; * Produce detailed service reports; * Identify potential ...

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Smart Contract Developer information

What are the key skills and qualifications needed to thrive as a Smart Contract Developer, and why are they important?

To thrive as a Smart Contract Developer, you need a strong grasp of blockchain fundamentals, proficiency in programming languages like Solidity or Vyper, and experience with decentralized application (dApp) development. Familiarity with tools such as Truffle, Hardhat, Remix, and knowledge of smart contract auditing and security best practices is essential. Analytical thinking, attention to detail, and strong problem-solving skills are critical soft skills for this role. These abilities ensure the creation of secure, efficient, and reliable smart contracts that underpin trustworthy decentralized systems.

What are some common challenges Smart Contract Developers face when working on blockchain projects?

Smart Contract Developers often encounter challenges such as ensuring code security, avoiding vulnerabilities like reentrancy attacks, and dealing with the immutability of deployed contracts, which makes fixing bugs post-deployment difficult. Additionally, they must stay updated on rapidly evolving blockchain frameworks and tools, and work closely with auditors and project managers to ensure compliance and correctness. Collaborating with front-end and back-end developers is also key, as smart contracts often form the backbone of decentralized applications requiring seamless integration.

What are Smart Contract Developers?

Smart Contract Developers are professionals who design, write, and deploy self-executing contracts on blockchain platforms such as Ethereum. These contracts encode rules and agreements into code, enabling automated and trustless transactions between parties. Smart Contract Developers are skilled in blockchain technologies and programming languages like Solidity, and they ensure that contracts are secure, efficient, and function as intended. They often work with decentralized applications (dApps) and participate in the broader ecosystem of blockchain development.

What is the difference between Smart Contract Developer vs Blockchain Developer?

AspectSmart Contract DeveloperBlockchain Developer
CredentialsKnowledge of Solidity, Ethereum, smart contract securityKnowledge of blockchain protocols, cryptography, and development tools
Work EnvironmentFocus on writing, testing, and deploying smart contracts on blockchain platformsDevelops entire blockchain applications, including smart contracts and decentralized apps
Industry UsagePrimarily in DeFi, NFT, and blockchain-specific projectsBroader blockchain solutions, including infrastructure and application development

While both roles work within the blockchain industry, a Smart Contract Developer specializes in creating and securing smart contracts, whereas a Blockchain Developer has a broader scope, including building entire blockchain systems and applications.

What are popular job titles related to Smart Contract Developer jobs in Quebec? For Smart Contract Developer jobs in Quebec, the most frequently searched job titles are:
What job categories do people searching Smart Contract Developer jobs in Quebec look for? The top searched job categories for Smart Contract Developer jobs in Quebec are:
What cities in Quebec are hiring for Smart Contract Developer jobs? Cities in Quebec with the most Smart Contract Developer job openings:
Smart Contract Developer jobs near you
Infographic showing various Smart Contract Developer job openings in Quebec as of May 2026, with employment types broken down into 73% Full Time, 22% Part Time, 1% Temporary, and 4% Contract. Highlights an 81% Physical, 2% Hybrid, and 17% Remote job distribution.

Fullstack Developer (node.js / React)

Catallaxy

Montreal, QC • On-site

Full-time

Posted yesterday

Job description

Catallaxy is looking for a talented full-stack developer (node.js) able to quickly develop, deliver and support clean, scalable and high quality code for blockchain applications.

  • You will work closely with the head of product
  • You will have the opportunity to grow inside the organization

Job Location: Montreal, Quebec, Canada

Job type: Full time

Responsibilities:

  • Design, develop, deliver, and support web-based applications and APIs
  • Write maintainable code with extensive tests and version control
  • Ensure the scalability and quality of all code and products
  • Build applications that focus on great user experience
  • Create automated testing to quickly and confidently ship code
  • Assist with product documentation, unit testing and ensuring overall product quality
  • Participation in daily scrums, design discussions, code reviews and code analysis
  • Help choose and define the tech stack and tools

Requirements

  • 3+ years’ experience in software development
  • 2+ years with JavaScript technologies: Node.js and React/Angular or similar
  • Experience building scalable web applications using modern frameworks (React/ Angular, etc.) and tools (npm, webpack, etc.)
  • Good understanding of both front end (JavaScript, HTML, CSS) and server side (Node.js, express) components
  • Experience with API design and development (REST, JSON, RESTFull services).
  • CSS preprocessors like Sass or LESS
  • Front-end (CSS) frameworks like Foundation or Bootstrap
  • JS-based build tools like Grunt, Gulp, and Bower
  • Experience using test-driven development and writing accurate tests
  • Experience with databases SQL and NoSQL (MongoDB, Postgres, etc...)
  • Ability to translate technical requirements into elegant code solutions
  • Focus on continuous improvement
  • Experience with cloud providers (AWS/OVH/Google, etc.) and service deployment
  • Embrace Agile/Scrum methodologies and development best practices
  • Experience with Git
  • Keeping in mind Security concerns throughout the process
  • Excellent problem solving and debugging skills to rapidly identify and fix bugs and problems
  • Ability to identify, implement and manage code libraries that minimize repetitive code and improve application design
  • Use code optimization techniques to improve robustness and performance of software

Human skills:

  • Proven and strong communication skills (in English and/or French)
  • Team player, but also fully able to efficiently accomplish tasks independently
  • Strong analytical and problem solving skills
  • You get things done
  • Willingness to wear multiple hats and be flexible in a fast-moving environment

Nice to have

  • Bachelor or master degree in Computer Science, a related field or equivalent experience
  • Knowledge/experience with other programing languages (C++, Go, .Net, Python)
  • Blockchain, bitcoin interest or willing to learn
  • Interest in smart contract (Ethereum)
  • Mobile dev (IOS, Android) or ability to hire and manage someone if needed
  • Experience with distributed systems and decentralized technologies
  • Experience with message or event driven architectures (such as RabbitMQ or Kafka)
  • Continuous Integration (CI) and Continuous Delivery (CD) DevOps experience.
  • Experience with Docker
  • Knowledge of Micro Services concepts and architecture

Please submit a resume, and a short text highlighting your experience with the mentioned programing languages and tools as well as your experience developing web applications and products.

About Catallaxy

With more than 15 Montreal-based experts and nearly 50 strategic partners worldwide, our service offering combines the technical expertise of the best core Blockchain talents and the strategic consulting power of Raymond Chabot Grant Thornton. Our objective is to prepare businesses for their blockchain transformation.

Catallaxy is also launching the Blockhouse. The Blockhouse is a unique innovation center bringing together the most influential players in the blockchain community. Strategically based in Montréal, the Blockhouse is a unique international showcase for decentralized and distributed technologies.