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Added 10 mins ago
SH
Personal Support Manager
SE Health
ON · United Counties of Stormont, ON
- Full-time
As a Personal Services Manager (RPN - Registered Practical Nurse), you will oversee the delivery of client care for a community PSW team. You will ensure high-quality care is delivered by…
Added 10 mins ago
CM
Project Control Manager
Cooper Moss Rutland
Canada
- Full-time
We have an exciting opportunity for an experienced and motivated Project Controls Manager to lead and oversee project controls activities across complex projects and programmes. This is an…
Added 10 mins ago
CM
Project Planner - Nuclear
Cooper Moss Rutland
Canada
- Full-time
We use our in-house capability matrix to clearly track your progression and identify development areas, working alongside your line manager and mentors to support your growth.
Added 10 mins ago
CE
Principal Strategic Deal Maker- Sales Executive
Capgemini Engineering
Mississauga, ON
- Full-time
…clients. Other responsibilities will include contributing to the development of offerings specific and unique to Capgemini. Existing offerings and frameworks exists, and a large component…
Added 10 mins ago
Sales Representative - Boucherville, QC
Encore Market Engagement
Boucherville, QC
Solides compétences en matière de relation client, de vente et de négociation.
Added 10 mins ago
C
Sr. Manager, Vendor Governance & Contract Management
CIBC
Toronto, ON
- Full-time
The Senior Manager, Vendor Governance and Contract Management will oversee both pre-contract and post-contract activities across CIBC’s Technology vendor portfolio. In the pre-contract…
Added 10 mins ago
B
Managing Director & Head, Credit and Portfolio Management
BMO
Toronto, ON · FCP
- Full-time
Support LUs that elect a greater PM role in new-business underwriting; origination retains client ownership and negotiation.
Added 10 mins ago
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Senior Relationship Manager, Commercial Banking
BMO
Mississauga, ON · Oakville, ON · Peterborough, ON · Toronto, ON · FCP
- Full-time
As a Senior Relationship Manager, you will serve as a trusted advisor to a portfolio of high-value commercial clients, leveraging your financial expertise, business development skills, and…
Added 10 mins ago
Senior Manager, Global Sponsorships - 12-month contract - Tangerine
Scotiabank
ON · Toronto, ON
Our client-obsessed teams deliver flexible, accessible banking solutions, breakthrough products, and award-winning service. Beyond banking, we’re committed to making an impact in the…
Added 10 mins ago
Manager, Associate Private Bankers
Scotiabank
Vancouver, BC
…addition, the incumbent is accountable for coaching and employee development, overseeing compliance standards and resource management within the assigned team and liaising with Private…
Added 10 mins ago
Renewable Power Senior Engineer
Hatch
Mississauga, ON
Support business development, including fostering relationships with existing clients, preparing proposals for new work, and supporting development of new client relationships.
Added 25 mins ago
A
Technology Program Manager
Akkodis
AB · Edmonton, AB
- Contract
Position: Technology Program Manager - Office tower renovation and relocation
Added 25 mins ago
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Addictions Counsellor Degree
HealthCareersInSask.ca
Saskatoon, SK
- Full-time
Job Description: As a member of the Interdisciplinary Team and under the general direction of the Out-of-Scope Manager, the Addiction Counsellor Degree, is responsible for the day to day…
Added 25 mins ago
B
ISO 20022 Product Manager
BMO
Toronto, ON · YNG
- Full-time
The ISO 20022 Product Manager defines and delivers the strategy, roadmap, and lifecycle management for ISO 20022-enabled payment products and capabilities. The role translates client,…
Added 25 mins ago
VC
Activity Aide, Adult Day Program - Full-time
VON Canada (Ontario)
Havelock, ON
- $17.95 to $23.82 CAD / hour
- Full-time
Contributes to the development of the service plan for each client attending the Adult Day Program.
Added 26 mins ago
EI
Senior Architect/Project Manager (Major Aviation Infrastructure)
Egis in Canada
Toronto, ON
- $100,000 to $130,000 CAD / year
- Full-time
Support business development activities, proposal development, and client relationship management as required.
Added 26 mins ago
AC
Senior Manager, Indirect Tax
ACCA Careers
Toronto, ON
- Full-time
Network in the local business community, consider business development opportunities and contribute to the preparation and delivery of competitive proposals to meet client needs
Added 26 mins ago
AC
Manager, Indirect Tax
ACCA Careers
Toronto, ON
- Full-time
Network in the local business community, consider business development opportunities and contribute to the preparation and delivery of competitive proposals to meet client needs
Added 41 mins ago
A
Engineering Manager, Reactor Engineering
AtkinsRéalis
Pickering, ON
- Full-time
Reporting to the Director of Engineering Services, the Engineering Manager, Reactor Engineering is responsible for the execution and technical leadership of engineering services in support…
Added 41 mins ago
Retail Keyholder, Maje, Toronto Eaton Centre
SMCP NORTH AMERICA (US, CANADA)
Toronto, ON
…expertise, elevate your skills, and make a lasting impact on the client experience. With mentorship and professional development support, plus a dynamic, engaging workplace where your…
Added 41 mins ago
DC
Senior Civil Engineer/Civil Project Manager
Dillon Consulting Limited
Brandon, MB · Winnipeg, MB
- Full-time
We are currently seeking a Civil Engineer/Civil Project Manager to join our Linear Municipal Infrastructure team. Our team specializes in the critical networks that keep a community moving…
Added 41 mins ago
R
Manager, AML Model Testing
RBC
Toronto, ON
- Full-time
In support of RBC’s commitment to maintaining a robust enterprise AML Program, the AML Model Testing Manager will support the ongoing AML model development testing process to ensure the…
Added 41 mins ago
Support Services Worker - Regular Part Time
Hopewell Support Services
Guelph, ON
Competitive regular hourly wage rate for hours worked range between $23.31 - $29.29 and flexible work schedule based on client & staff needs.
Added 41 mins ago
T&
Senior Risk Manager
Turner & Townsend
Ottawa, ON
- Full-time
An experienced Senior Risk Manager with a minimum of 10 years of post-graduate experience, including at least 5 years dedicated to program and project risk management on large, complex…
Added 41 mins ago
UH
Patient Care Coordinator
University Health Network
Toronto, ON
- Full-time
Play a leadership role in providing direction, ongoing development for nursing staff and other inter-professional team members in the clinical areas

DSI Recruiting

Senior Platform Software Engineer – Backend

Toronto, ON, Canada

$130,000 to $160,000 CAD / year · Full-time

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Applications open in a new tab.

Job details

Pay: $130,000 to $160,000 CAD / year
Job type: Full-time
Apply by: Dec 4, 2026
Experience:  Typically 5+ years of professional backend engineering experience, or equivalent demonstrated capability.
Posting language: English
Posted: Nov 4, 2026

Original job description

Our client is seeking a hands-on Senior Platform Software Engineer (Backend) to implement shared cloud-native services and reusable .NET SDKs for a next-generation enterprise application platform. The role focuses on security, API standards, session management, resilient integrations and developer enablement across independently delivered domain services.

Platform engineering

 Build shared services, middleware, templates and reusable NuGet SDKs using C#, modern .NET and ASP.NET Core.

 Implement authentication integration, BFF session management, token lifecycle controls and tenant-aware, resource-level authorization patterns.

 Establish API standards for validation, versioning, structured errors, idempotency, configuration and service-toservice integration.

 Develop reusable patterns for PostgreSQL access, Redis caching/session storage, observability and resilient messaging as appropriate.

 Contribute to AWS-based deployments, including API Gateway, ECS/Fargate, Aurora/RDS PostgreSQL, ElastiCache, SQS and EventBridge where relevant.

 Publish packages through Azure DevOps Artifacts and support domain teams in adoption without unnecessary coupling.

AI-assisted development and quality

 Use Claude Code or comparable AI coding assistants for design exploration, implementation, refactoring, testing and documentation.

 Apply structured, specification-driven AI-assisted delivery approaches, including AWS AI-DLC 2.0; turn requirements into reviewable plans and acceptance criteria.

 Review and verify AI-generated code for security, correctness, maintainability and compliance with platform standards.

 Contribute to Azure DevOps CI/CD pipelines, automated tests, peer reviews and engineering quality gates.

Required qualifications

 Typically 5+ years of professional backend engineering experience, or equivalent demonstrated capability.

 Strong C#, modern .NET, ASP.NET Core and secure REST API development experience.

 Solid knowledge of OAuth 2.0, OIDC, application security, authentication and authorization.

 Experience with SQL/relational databases, transactions, asynchronous programming and failure-resistant service design.

 Experience with AWS or comparable cloud platforms, automated testing, Git and CI/CD.

 Ability to contribute to architecture and implement production-grade components independently.

Preferred qualifications

 AWS ECS/Fargate, API Gateway, Aurora PostgreSQL, ElastiCache, SQS, EventBridge, Secrets Manager and CloudWatch.

 BFF patterns, enterprise federation (Entra ID/PingFederate), Redis, multitenant authorization and OpenTelemetry.

 Transactional outbox/inbox, event versioning, duplicate-message handling, Flyway, Terraform and Azure DevOps Artifacts.

 Demonstrable hands-on use of Claude Code, GitHub Copilot or similar AI tools; familiarity with AWS AI-DLC 2.0.

Expected deliverables

 Production-ready shared backend components and versioned .NET SDKs.

 Reference services, secure authentication/session and authorization integration patterns.

 Automated tests, pipeline integration, operational instrumentation and adoption documentation.

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More about this job

Responsibilities

Build and maintain shared cloud-native backend services, middleware, reference patterns, and reusable, versioned .NET SDKs for independently delivered domain services. Establish secure API, authentication, session-management, authorization, integration, and operational standards, while supporting AWS deployments, automated quality processes, and adoption by domain teams.

Requirements

Candidates typically have at least five years of backend engineering experience, strong C#, modern .NET, and ASP.NET Core skills, and experience building secure REST APIs. They should understand OAuth 2.0 and OIDC, relational databases, asynchronous and resilient service design, cloud platforms, automated testing, Git, and CI/CD, and be able to independently deliver production-grade components.

Skills

C#
Modern .NET
ASP.NET Core
Secure REST APIs
OAuth 2.0
OpenID Connect
Authentication and Authorization
AWS
PostgreSQL
Redis
Asynchronous Programming
Automated Testing
CI/CD
Azure DevOps
Claude Code

Visa sponsorship

Not detected in the job text

Keywords

C#
.NET
ASP.NET Core
NuGet
Cloud-Native Services
OAuth 2.0
OpenID Connect
Backend for Frontend (BFF)
Session Management
Multi-Tenant Authorization
REST APIs
PostgreSQL
Redis
AWS
API Gateway
ECS/Fargate
Aurora/RDS
ElastiCache
SQS
EventBridge
Azure DevOps
CI/CD
Claude Code
AWS AI-DLC 2.0
OpenTelemetry
Transactional Outbox/Inbox
Flyway
Terraform
Automated Testing
Resilient Messaging

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