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Job Title

RQ00685 - Software Developer - Full Stack - Senior

Start Date

2026-07-27

Client

Supply Ontario

End Date

2027-01-06

Work Location:

525 University Ave, Toronto, Ontario, Canada

#Business Days:

126.00

Job Type

onsite

Hours Per Day Or Week

7.25 hours per day (5 Days)

Must Haves

Cloud-Native & Serverless Backend Expertise: Proven experience designing and building highly scalable, serverless backend APIs using AWS (Amazon Web Services) (Lambda, API Gateway, DynamoDB, and Node.js or Python. Modern Frontend Development: Hands-on proficiency building secure, responsive, and accessible web applications using modern JavaScript/TypeScript frameworks (e.g., React, Angular, or Vue). Healthcare Integration & Standards: Practical experience integrating with health informatics standards including HL7 FHIR and SMART on FHIR for secure health data exchange. Experience with Ontario Assets (such as the Provider Registry, Hospital Report Manager, etc.) Experience with Ontario referral systems (such as Ocean, Novaria, etc.)

Description

The Cancer Screening Project requires the engagement of Sr. Software Developer - Full Stack to support the timely software development, and implementation of secure serverless Application Programming Interfaces (APIs) that will enable the Digital Correspondence solution.

These APIs will provide the foundational integration layer required to securely store and manage correspondence records, facilitate the transmission of SMS and email notifications, and enable the Digital Correspondence Portal to retrieve, manage, and present correspondence data in a secure and efficient manner.

The development activities involve the implementation of cloud-native serverless architecture, integration with enterprise notification services, application of robust authentication and security controls, and adherence to applicable privacy, security, and information management standards.

Responsibilities

Lead the technical design, development, and implementation of full-stack serverless applications for the Digital Correspondence solution. Develop and consume RESTful APIs and FHIR resources to securely retrieve, manage, and present correspondence data. Integrate front-end portals and backend services with AWS cloud messaging services (AWS Pinpoint, AWS End User Messaging) to facilitate SMS and email notification workflows. Implement robust identity, authentication, and authorization controls (e.g., OAuth 2.0, OIDC, SMART on FHIR). Write clean, well-documented, testable, and efficient code while conducting rigorous peer code reviews.

Desired Skills

AWS Certified Developer – Associate or AWS Certified Solutions Architect. Knowledge of synthetic health data generation and handling complex PHI/PII data securely in cloud environments. Generative AI & LLM Integration: Experience integrating foundational models into enterprise applications using Amazon Bedrock, including prompt engineering and managing token usage. Retrieval-Augmented Generation (RAG): Familiarity with building RAG architectures utilizing vector databases (like Amazon OpenSearch Serverless) to securely query unstructured healthcare correspondence or clinical notes. AI-Assisted Development: Proficiency using AI coding assistants (like GitHub Copilot, Amazon Q Developer, or Cursor) to accelerate the delivery of secure, well-tested code while adhering to enterprise privacy policies. Healthcare NLP: Experience utilizing natural language processing services (such as Amazon Comprehend Medical) to extract meaningful insights, entities, and relationships from raw, unstructured medical text.

Required Skills

Experience in programming and analysis; specialized software package support at the specified experience level Ability to collaborate with IT Professionals throughout the Software Development Life Cycle Experience in structured methodologies for the development, design, implementation and maintenance of applications Experience in design, code, test, debug and document applications Experience in the use of object and/or third generation language development tools Experience in one or more programming languages Experience in application design, latest design patters, deployment and troubleshooting Experience with relational and hierarchical database technologies Experience in the use of information retrieval packages using query languages Experience with one or more communications protocols Experience in structured methodologies for the design, development, implementation and maintenance of applications Experience eliciting and documenting information from diverse business area stakeholders and subject matter experts Excellent analytical, problem-solving and decision-making skills; verbal and written communication skills; interpersonal and negotiation skills A team player with a track record for meeting deadlines

Full Stack Skills

Proficient with both front end and back-end development, including any associated areas such as database design/management and DevOps Knowledge and experience with design and implementation of the overall web architecture Experience with implementation of approved user interface, design and deployment of database Knowledge and experience ensuring the entire stack is designed and built for speed and scalability Knowledge and experience with the design and construction of REST API services Knowledge and experience integrating front-end UI with the constructed API Knowledge and experience in design and implementation of continuous integration and deployment Knowledge and experience with programming Internet-ready applications Knowledge and experience in rapid application development (RAD) methodologies Knowledge and understanding of Information Management principles, concepts, policies and practices Experience with middleware and gateways Experience reviewing, analyzing, and modifying product installation scripts including encoding, testing, debugging Ability to provide post-implementation support and resolve any post-implementation technical issues Experience conducting design walkthrough sessions with project team Knowledge and understanding of Accessibility for Ontarians with Disability Act (AODA) and related regulations and standards Ability to provide user and system documentation as required

Evaluation Criteria

Serverless Backend & API Development - 30 Points Demonstrated experience building scalable, secure RESTful APIs using AWS Serverless stack (Lambda, API Gateway, DynamoDB). Proficiency in the Java and NodeJS backend programming languages Modern Frontend Development - 30 Points Hands-on experience building responsive web portals using modern JS/TS frameworks React and Angular Experience with responsive design Ability to implement strict UI/UX and accessibility standards. Healthcare Interoperability & Security - 20 Points Experience implementing OAuth 2.0, OIDC, and SMART on FHIR authentication flows. Ability to work with FHIR and the HAPI library Experience integrating with Ontario referral systems such as Ocean/Novaria/etc. Cloud Messaging & Notification Integration - 20 Points Experience developing applications that leverage AWS End User Messaging or AWS Pinpoint for high-volume SMS/Email delivery.

Deliverables

Deliverables include, but not limited to: Application Source Code: Clean, modular, and fully commented front-end and back-end code repositories deployed via CI/CD. Technical Design Documentation: Detailed architectural diagrams and API swagger/OpenAPI documentation mapping to FHIR specifications. Automated Unit Tests: Comprehensive unit and integration test coverage for all developed components. Security & Privacy Compliance Configurations: Code-level implementation of RBAC, data encryption, and authorization controls.

Notes

The term of this Engagement Assignment is for 126 Business Days, with option to extend 13 Business Days at Agency's discretion. The Engagement Assignment may be extended for unused Business Days at the Agency’s discretion.

The resource will comply with the Agency’s policies and procedures.

The Agency systems cannot be accessed from outside the province of Ontario, and Agency assets including laptops and related equipment cannot be removed from the province of Ontario, without prior written approval from the Agency.

Assignment Type: This position is currently listed as onsite The resource under this request will be required to work onsite as per Hiring Manager sole discretion.

Location: Up to 5 days onsite (subject to HM’s discretion)

Public Sector Experience: must