RQ00738 - Software Developer - Full Stack - Senior

Worky; Toronto; On-site; CAD 120,000 - 160,000; Full time

Job summary

Worky in Toronto, Canada, is seeking a Senior Full Stack software engineer to design, develop, and maintain PHSD backend services with Java and Spring Boot, and to enhance React-based UIs for provider search and directory management.

The role emphasizes healthcare interoperability, FHIR R4/R4B, AWS HealthLake, Smile CDR, and secure OAuth2/OIDC authentication. You will collaborate with cross-functional teams to deliver scalable cloud-native solutions.

Qualifications

• Senior Full Stack development experience delivering 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.

Skills

Senior Full Stack software development

Java

Spring Boot

React

REST APIs

FHIR APIs

Smile CDR

AWS HealthLake

OpenSearch

PostgreSQL

OAuth2/OIDC

JWT

RBAC

HL7v2

FHIR R4/R4B

Job description

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.

Evaluation Criteria

• Senior Full Stack development experience using Java, Spring Boot, React, REST APIs, cloud-native architecture, and enterprise application development 25 Points
• Healthcare interoperability experience including Smile CDR, AWS HealthLake, FHIR R4/R4B, SMART on FHIR, HL7v2, OAuth2/OIDC, Provider Registry, and healthcare integration 25Points
• Cloud, API, search, and data engineering experience including AWS, OpenSearch, PostgreSQL, API Gateway, Lambda, ECS, CI/CD, and cloud architecture 25Points
• Healthcare modernization, master data management, stakeholder collaboration, documentation, and knowledge transfer 25Points

Requirements

Deliverables

• Java Spring Boot backend services.
• React user interface enhancements.
• Smile CDR FHIR implementation and configuration.
• AWS HealthLake integration and data synchronization.
• FHIR APIs supporting provider, practitioner, organization, healthcare service, and location resources.
• SMART on FHIR authentication and authorization implementation.
• REST API development and documentation.
• Provider directory search enhancements using OpenSearch.
• Real-time read/write provider synchronization.
• Master data management integration services.
• Hospital information system integration components.
• Cloud-native AWS deployment artifacts.
• CI/CD pipeline implementation and automation.
• Unit tests, integration tests, API tests, and technical documentation.
• Deployment support, production implementation, and operational knowledge transfer.

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.