RQ00685 - Software Developer - Full Stack - Senior

Maarut•Toronto, ON

About The Position

We are seeking a Senior Full Stack Software Developer with expertise in cloud-native and serverless backend development, modern frontend frameworks, and healthcare integration standards. The role involves leading the technical design, development, and implementation of full-stack serverless applications for a Digital Correspondence solution. This includes developing and consuming RESTful APIs and FHIR resources, integrating with AWS cloud messaging services, and implementing robust identity, authentication, and authorization controls. The ideal candidate will write clean, well-documented, testable, and efficient code, conduct peer code reviews, and ensure adherence to accessibility standards.

Requirements

Proven experience designing and building highly scalable, serverless backend APIs using AWS (Amazon Web Services) (Lambda, API Gateway, DynamoDB, and Node.js or Python.
Hands-on proficiency building secure, responsive, and accessible web applications using modern JavaScript/TypeScript frameworks (e.g., React, Angular, or Vue).
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 eReferral systems (such as Ocean, Novari, etc).
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 patterns, 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 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.
Proficient with both front end and back end development, including any associated areas such as database design/management and DevOps.
Experience with responsive design.
Ability to implement strict UI/UX and accessibility standards.
Experience implementing OAuth 2.0, OIDC, and SMART on FHIR authentication flows.
Ability to work with FHIR and the HAPI library.
Experience developing applications that leverage AWS End User Messaging or AWS Pinpoint for high-volume SMS/Email delivery.
Proficiency in the Java and NodeJS backend programming languages.
Hands-on experience building responsive web portals using modern JS/TS frameworks React and Angular.

Nice To Haves

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.
Experience integrating foundational models into enterprise applications using Amazon Bedrock, including prompt engineering and managing token usage.
Familiarity with building RAG architectures utilizing vector databases (like Amazon OpenSearch Serverless) to securely query unstructured healthcare correspondence or clinical notes.
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.
Experience utilizing natural language processing services (such as Amazon Comprehend Medical) to extract meaningful insights, entities, and relationships from raw, unstructured medical text.

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.
Design and implement the overall web architecture.
Deploy database and implement approved user interface.
Ensure the entire stack is designed and built for speed and scalability.
Design and construct REST API services.
Integrate front-end UI with the constructed API.
Implement continuous integration and deployment.
Program Internet-ready applications.
Utilize rapid application development (RAD) methodologies.
Understand and apply Information Management principles, concepts, policies, and practices.
Work with middleware and gateways.
Review, analyze, and modify product installation scripts including encoding, testing, and debugging.
Provide post-implementation support and resolve technical issues.
Conduct design walkthrough sessions with the project team.
Ensure compliance with Accessibility for Ontarians with Disability Act (AODA) and related regulations and standards.
Provide user and system documentation as required.