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Smart Contract Developer Jobs in Pickering, ON (NOW HIRING)

Ameresco

Junior Engineer

Richmond Hill, ON · On-site

At Ameresco, we show the way by developing, constructing and operating tailored smart energy ... Compilation of tender documents and issuance of contract packages. * Reporting to direct supervisor ...

Ratehub

Product Designer - 12-month contract

Toronto, ON · Remote

CA$90K - CA$105K/yr

  • Medical

  • Dental

Every single team member -- from Product & Engineering to Sales & Marketing, Finance, Operations ... make smart financial decisions. * Act as the voice of the customer, using research, usability ...

Source Code

RQ00682 - 2 x Sr. Test Lead

Toronto, ON

RQ00682 - 2 x Sr. Test Lead 2 openings 6-month contract (126 business days) - possible extension ... Chaos Engineering / Cloud Resiliency Testing: Familiarity with using tools like AWS Fault Injection ...

Xylem

Regional Services Manager - Canada

Aurora, ON · On-site

  • Medical

  • Dental

  • Vision

  • PTO

The successful candidate will oversee the successful execution of AMI, Smart Grid, and utility ... Lead, mentor, and develop a regional team of Project Managers and Application Engineers across ...

Xylem

Regional Services Manager - Canada

Toronto, ON · On-site

  • Medical

  • Dental

  • Vision

  • PTO

The successful candidate will oversee the successful execution of AMI, Smart Grid, and utility ... Lead, mentor, and develop a regional team of Project Managers and Application Engineers across ...

TTEC Digital

Senior QA / SDET Engineer

Toronto, ON · Remote

We're looking for well-rounded, smart people who move fast. What You Will Do: The role ... Contract/API testing between services; synthetic data and traffic generation (simulated calls ...

Generac

Staff Analytics Engineer

Toronto, ON · On-site +1

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Hi, weareecobee. ecobee introduced the world's first smart Wi-Fi thermostat to help millions of ... Define and maintain data contracts between producers and consumers (e.g., schema, SLOs, quality ...

TTEC Digital

QA Lead /SDET Lead

Toronto, ON · Remote

We're looking for well-rounded, smart people who move fast. What You Will Do: The role ... The cross-service contract suite gating production * Future (phase 2) QA hires * Sets the ...

Pigment

Technical Escalation Engineer

Toronto, ON

CA$95K - CA$140K/yr

At Pigment, we take smart risks, celebrate bold ideas, and challenge the status quo-all while ... Any checks will be conducted lawfully prior to formal employment contracts being signed, with ...

Pigment

Front-end Engineer

Toronto, ON · Hybrid

CA$100K - CA$180K/yr

  • Medical

At Pigment, we take smart risks, celebrate bold ideas, and challenge the status quo-all while ... Any checks will be conducted lawfully prior to formal employment contracts being signed, with ...

Nulogy

Customer Success Manager (North America)

Toronto, ON · Remote

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

YOUR MISSION The Smart Factory Customer Success Manager is the primary post-go-live partner for ... Lead renewal conversations and contract negotiations in partnership with the Account Management ...

JLL

Assistant Facilities Manager

Toronto, ON · On-site

... contracts, chase invoices to maintain Accounts Payable KPIs (Open POs, GRNV, UMLV), and support ... Post-secondary education in Business Administration, Engineering, Operations Management, or related ...

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Showing results 21-40

All JobsSmart Contract Developer JobsSmart Contract Developer Jobs in Pickering, ON

Smart Contract Developer information

What is a smart contract developer?

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 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 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 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 cities near Pickering, ON are hiring for Smart Contract Developer jobs?

Cities near Pickering, ON with the most Smart Contract Developer job openings:

Smart Contract Developer jobs near you
Infographic showing various Smart Contract Developer job openings in Pickering, ON as of August 2026, with employment types broken down into 2% As Needed, 75% Full Time, 20% Part Time, 1% Temporary, and 2% Contract. Highlights an 91% Physical, 4% Hybrid, and 5% Remote job distribution.

RQ00738 - Software Developer - Full Stack - Senior

Source Code

Toronto, ON • Hybrid

Contractor

Posted 12 days ago

Job description

RQ00738 - Software Developer - Full Stack - Senior

Location: Toronto (525 University Avenue) - Hybrid

Duration: 8 months contract (164 Business Days) + possible extension

Must Haves:

  • Senior Full Stack software development experience delivering complex healthcare, cloud, integration, or digital health modernization projects.
  • Extensive Java and Spring Boot microservices development experience.
  • Experience designing and developing REST APIs and FHIR APIs.
  • Hands-on experience with Smile CDR implementation and customization.
  • Experience with AWS HealthLake and FHIR repository implementation.
  • Experience developing healthcare interoperability solutions using FHIR R4/R4B, SMART on FHIR, HL7v2, OAuth2/OIDC, and JWT.
  • Experience integrating healthcare applications with Provider Registry, Master Data Management systems, and the EPIC EHR, Meditech and Cerner
  • Experience with Central Intake hubs such as RICOH and Novari
  • Experience implementing advanced provider directory search using OpenSearch or Elasticsearch.

Public Sector Experience: Must Have

Background Information:

The Agency is expanding the Provincial Health Services Directory (PHSD) to incorporate artificial intelligence capabilities that improve provider discovery, referral quality, and healthcare navigation across provincial digital health applications. The solution will utilize PHSD provider, practitioner, organization, healthcare service, specialty, location, and service metadata together with clinical referral context to provide intelligent recommendations while maintaining traceability to authoritative source data. AI agents will consume PHSD FHIR APIs, Smile CDR, AWS HealthLake, the Agency Master Data Management, and other provincial digital health assets to provide grounded responses rather than generative opinions. The project includes development of reusable AI services, MCP servers, semantic search capabilities, vector-based retrieval, prompt orchestration, evaluation frameworks, and secure integration with SMART on FHIR applications and provincial healthcare systems. The implementation will emphasize explainability, auditability, privacy, security, and clinical confidence while supporting future AI-enabled healthcare workflows across the Agency.

Must Haves:

  • Senior Full Stack software development experience delivering complex healthcare, cloud, integration, or digital health modernization projects.
  • Extensive Java and Spring Boot microservices development experience.
  • Experience designing and developing REST APIs and FHIR APIs.
  • Hands-on experience with Smile CDR implementation and customization.
  • Experience with AWS HealthLake and FHIR repository implementation.
  • Experience developing healthcare interoperability solutions using FHIR R4/R4B, SMART on FHIR, HL7v2, OAuth2/OIDC, and JWT.
  • Experience integrating healthcare applications with Provider Registry, Master Data Management systems, and the EPIC EHR, Meditech and Cerner
  • Experience with Central Intake hubs such as RICOH and Novari
  • Experience implementing advanced provider directory search using OpenSearch or Elasticsearch.
  • Experience with PostgreSQL and healthcare data modelling.
  • Experience using AWS services including ECS, Lambda, API Gateway, S3, SNS, SQS, EventBridge, CloudWatch, IAM, Secrets Manager, and CloudFormation or CDK.
  • Experience developing secure APIs using OAuth2, OpenID Connect, JWT, RBAC, and confidential client authentication.
  • Excellent communication, documentation, and stakeholder collaboration skills

Responsibilities:

  • Design, develop, maintain, and support PHSD backend services using Java and Spring Boot.
  • Develop and enhance React-based user interfaces supporting provider search, directory management, and administration.
  • Design and implement FHIR R4/R4B APIs using Smile CDR and AWS HealthLake.
  • Develop real-time provider data synchronization between PHSD and the Agency master data management platforms.
  • Design and implement integrations with Provider Registry, hospital information systems, and provincial healthcare services.
  • Build scalable healthcare search capabilities using OpenSearch and FHIR search standards.
  • Design, develop, and maintain REST APIs supporting internal and external consuming applications.
  • Implement SMART on FHIR authentication and authorization workflows.
  • Develop secure OAuth2/OIDC authentication and JWT authorization services.
  • Implement healthcare interoperability using HL7v2 and FHIR messaging patterns.
  • Design scalable cloud-native AWS architectures supporting high availability and operational resilience.
  • Develop data transformation, validation, synchronization, and governance services supporting provider, practitioner, organization, healthcare service, and location information.
  • Participate in architecture reviews, technical design sessions, sprint planning, backlog refinement, and code reviews.
  • Support automated testing, CI/CD deployment pipelines, production releases, troubleshooting, and operational support.
  • Produce technical documentation, API specifications, deployment documentation, and knowledge transfer materials.

Desired Skills:

  • Experience implementing or supporting provider directory solutions.
  • Experience integrating with hospital information systems including Epic, Oracle Health (Cerner), MEDITECH, or other Canadian EMRs.
  • Experience implementing provider, practitioner, organization, location, and healthcare service master data management solutions.
  • Experience implementing healthcare search platforms using OpenSearch for provider and service discovery.
  • Experience with FHIR Subscriptions, FHIR Messaging, EventBridge, SNS, and SQS for event-driven healthcare integration.
  • Experience validating FHIR implementations using Inferno, Touchstone, or other interoperability testing frameworks.
  • Experience configuring and supporting AWS HealthLake, Smile CDR, and healthcare interoperability platforms.
  • Experience implementing secure SMART on FHIR applications, confidential clients, and backend services.
  • Experience designing highly available AWS architectures using ECS, Lambda, API Gateway, CloudFront, S3, Aurora PostgreSQL, and CloudWatch.
  • Experience implementing monitoring, logging, auditing, and operational support using AWS CloudWatch and related AWS services.

Required Skills:

  • Strong software development experience using Java, Spring Boot, React, TypeScript, and modern enterprise application development practices.
  • Experience designing, developing, securing, and supporting RESTful APIs and distributed microservice architectures.
  • Experience implementing healthcare interoperability solutions using FHIR R4/R4B, HL7 v2, SMART on FHIR, and healthcare messaging standards.
  • Experience developing and configuring Smile CDR FHIR repositories, transactions, validation, search, and interoperability services.
  • Experience implementing healthcare data solutions using AWS HealthLake and integrating healthcare data across multiple systems.
  • Experience developing secure authentication and authorization solutions using OAuth 2.0, OpenID Connect (OIDC), JWT, and role based access control.
  • Experience integrating healthcare applications with Provider Registry, Master Data Management platforms, hospital information systems
  • Experience implementing advanced provider and service directory search capabilities using OpenSearch.
  • Experience designing and developing cloud native applications using AWS services including ECS, Lambda, API Gateway, S3, EventBridge, SNS, SQS, IAM, CloudWatch, and Secrets Manager.
  • Experience developing data synchronization, transformation, validation, and governance services supporting provider, practitioner, organization, location, and healthcare service data.
  • Experience with PostgreSQL database design, performance optimization, and data modelling.
  • Experience using Git, GitHub, GitHub Actions, automated testing, CI/CD pipelines, and modern DevOps practices.
  • Strong analytical, problem solving, technical documentation, and communication skills with the ability to collaborate effectively across architecture, operations, interoperability, and business teams.

AI Disclaimer: Source Code may use artificial intelligence (AI) tools to assist in certain aspects of its recruiting and business operations.

Note: The higher end of the range is intended for absolutely exceptional candidates who meet all must-have requirements and most or all nice-to-have qualifications. The client will evaluate candidates based on both rate expectations and overall skill set when shortlisting.

INCORPORATED RATE RANGE (7.25 billable hours per day)

  • $90.21/hr - $108.25/hr Inc.

T4 RATE RANGE (7.25 billable hours per day)

  • $72.17/hr - $86.60/hr T4