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About the Role

The Senior Platform Engineer is responsible for managing the technical delivery lifecycle of Dynamics 365 Finance & Operations (D365 F&O), including source control, branching strategies, Azure DevOps administration, build and release management, deployable package creation, platform and application version updates, environment governance, custom extension development, and relationship with Microsoft Fabric. This role architects and drives improvements in platform reliability and availability across multiple services, leading cross-team initiatives and establishing standards to enhance system resilience. The Engineer serves as the technical owner of the D365 F&O code delivery process, ensuring reliable, scalable, and secure deployments while maintaining development standards, release governance, and operational stability across all environments. This role is part of a multi-stack technical services team focused on Microsoft Dynamics 365 Finance & Operations, requiring strong D365 F&O development expertise combined with Azure DevOps, automation, and release management skills.

Responsibilities

Develop custom X++ solutions and extensions.
Manage X++ code intake from ISVs, system integrators, and third-party development teams.
Perform code reviews and ensure adherence to development standards.
Create, validate, and manage deployable packages for D365 F&O releases.
Execute and support scheduled releases, hotfix deployments, and emergency changes.
Execute Dynamics 365 F&O version updates, including pre-validation and post-deployment checks.
Own platform upgrade and production deployment planning, coordinating execution across delivery partners.
Coordinate code promotion across Development, Test, UAT, and Production environments.
Ensure release traceability through proper versioning and documentation.
Troubleshoot and resolve application defects and provide in-house debugging services.
Manage and optimize D365 F&O source control repositories using Azure DevOps.
Define, implement, and govern branching, merging, and release management strategies.
Establish CI/CD best practices and deployment governance standards.
Own DevOps and pipeline governance, coordinating delivery-partner execution.
Troubleshoot build, deployment, and source control issues.
Automate build, deployment, validation, and operational processes.
Maintain build environments, agents, and supporting DevOps infrastructure.
Document and maintain technical and functional knowledge.
Collaborate with engineering teams to capture processes, best practices, and updates.
Design and implement application performance analysis dashboards in Azure Application Insights.
Monitor Lifecycle Services (LCS) performance metrics.
Optimize system performance, troubleshoot slow queries, and support high availability.
Support test planning, defect management, and release readiness assessments.
Establish and support automated and manual validation processes for deployments and platform updates.
Lead platform regression-test planning and governance.
Collaborate with other teams to design, build, and operate end-to-end regression testing.
Participate in post-deployment validation and service-acceptance reviews.
Build and maintain proprietary, hospitality industry-specific applications that extend D365 F&O functionality.
Apply security, identity, access, and data-protection controls.
Design and build internal tools for global-scale internal and external user management.
Secure and manage data endpoints and custom service integrations.
Own platform security reviews and approvals for D365 F&O changes.
Own technical review and approval of integration architecture and design.
Collaborate with enterprise data and analytics teams to support secure integration between D365 F&O, Microsoft Fabric, OneLake, and downstream reporting platforms.
Implement and maintain role-based security and segregation of duties in Dynamics 365 F&O.
Assist the platform team with licensing planning and optimization.
Designs, builds, integrates, or supports secure, scalable, and reliable AI and agentic AI capabilities.
Applies enterprise practices for data quality, evaluation, testing, security, observability, documentation, and lifecycle management.
Designs for fairness, explainability, human oversight, privacy, accessibility, and model portability where relevant.
Lead cross-team initiatives to enhance reliability and availability.
Drive root cause analysis for major incidents and systemic issues.
Coordinate with product and engineering leadership on the platform roadmap.
Architect solutions to improve platform resilience and scalability.
Provide technical leadership and mentorship across teams.
Collaborate with security teams to ensure platform compliance.
Platform and application lifecycle management.
Service reliability and availability engineering.
Agile methodology and Scrum.
Monitoring, observability, and performance tuning.
Automation and deployment pipelines.
Security and platform hardening.
Change management and documentation.
Azure DevOps, including version control and CI/CD pipelines.
Data Entities, Data Migration Framework (DMF), and OData integrations.
Power Platform, including Power Automate, Power Apps, and Dataverse.
Azure Logic Apps and Azure Functions for workflow automation.
Microsoft Fabric, OneLake, Azure Synapse, and enterprise data-integration patterns supporting D365 F&O reporting, analytics, and operational data services.
C#, Python, and SQL coding experience.

Requirements

Bachelor's degree in Computer Science, Information Technology, Engineering, or a related discipline.
Minimum 5 to 7 years' experience in a technical role working with Dynamics 365 F&O.
Minimum 5 years of experience in a technical role working with Dynamics 365 F&O.
Experience managing complex D365 F&O platform and application updates.
Development excellence, with a strong command of X++ for customizations and solution extensions.
Proficiency in SQL, .NET C#, Power Platform, Azure Logic Apps, Power Automate, and Azure DevOps.
Strong understanding of Application Lifecycle Management (ALM) and DevOps best practices, including source control, branching and merging strategies, code updates, CI/CD pipelines, and release management in an enterprise environment.
Experience planning and managing enterprise application environments, including provisioning, configuration, backup and recovery, environment refreshes, and platform and application upgrades.
Experience designing and executing performance and regression testing strategies to validate system scalability, stability, and business functionality across application updates and releases.
Experience designing and implementing scalable and reliable D365 F&O integration architectures using Data Management Framework (DMF), OData APIs, and business events, including monitoring, observability, and error-handling patterns.
Leverages AI-enabled tools and automation appropriately to improve the quality, efficiency, and effectiveness of work, while validating outputs and remaining accountable for results.
Demonstrates curiosity and continuous learning, adapting skills and ways of working as AI capabilities and organizational practices evolve.
Applies sound judgment, protects information, and considers the impact of AI-enabled work on people and outcomes.
Applies enterprise practices for data quality, evaluation, testing, security, observability, documentation, and lifecycle management.
Designs for fairness, explainability, human oversight, privacy, accessibility, and model portability where relevant.

Skills

Dynamics 365 Finance & Operations (D365 F&O)
Azure DevOps
Automation
Release Management
X++
SQL
.NET C#
Power Platform
Azure Logic Apps
Power Automate
Application Lifecycle Management (ALM)
CI/CD pipelines
Data Management Framework (DMF)
OData APIs
Microsoft Fabric
OneLake
Azure Synapse
C#
Python
MB-500 - Microsoft Dynamics 365: Finance and Operations Apps Developer Associate
AZ-400 - Designing and Implementing Microsoft DevOps Solutions
PL-400 - Power Platform Developer Associate
PL-500 - Power Automate RPA Developer Associate
PL-600 - Microsoft Power Platform Solution Architect
PL-900 - Power Platform Fundamentals
Platform and application lifecycle management
Service reliability and availability engineering
Agile methodology and Scrum
Monitoring, observability, and performance tuning
Security and platform hardening
Change management and documentation
Data Entities
Dataverse
Azure Functions
Enterprise data-integration patterns

Location

Toronto, Ontario

Work Type

Hybrid

Experience Level

Senior

Education Level

Bachelor's degree in Computer Science, Information Technology, Engineering, or a related discipline

Salary/Compensations

$110,000 - $140,000 CAD

About the Company

Four Seasons is powered by its people, a collective of individuals who strive for improvement and treat each other with respect. Team members create exceptional guest experiences through a commitment to luxury with genuine heart, enabled by a world-class employee experience and company culture. The company believes in recognizing familiar faces and welcoming new ones, aiming to create lasting impressions through genuine connections. Four Seasons Hotels and Resorts is a global, luxury hotel management company managing over 130 hotels and resorts and 50 private residences in 47 countries. Central to its employee experience and social impact programming is the commitment to supporting cancer research and advancing diversity, inclusion, equality, and belonging.

Equal Opportunity

Four Seasons is committed to providing employment accommodation in accordance with the Ontario Human Rights Code and the Accessibility for Ontarians with Disabilities Act. If contacted for an employment opportunity, please advise Human Resources if you require accommodation.