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Added 13 mins ago
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Biobank Specialist
HealthCareersInSask.ca
Saskatoon, SK
- Full-time
Reporting to the Provincial Manager, Healthy Future Sask, the Biobank Specialist is a provincial position responsible for the design, development, implementation, training, management,…
Added 13 mins ago
TA
QC - STOCK COORDINATOR – PART TIME
The Aldo Group Inc / Le Groupe Aldo Inc.
Saint-Bruno-de-Montarville, QC
- Part-time
…also a recognized wholesale and licensed partner, leading the design, sourcing, and distribution of fashion-forward footwear, handbags, and accessories. Our portfolio features well-known…
Added 13 mins ago
TA
SALES ASSOCIATE - PART TIME
The Aldo Group Inc / Le Groupe Aldo Inc.
Mississauga, ON
- Part-time
…also a recognized wholesale and licensed partner, leading the design, sourcing, and distribution of fashion-forward footwear, handbags, and accessories. Our portfolio features well-known…
Added 13 mins ago
TA
SALES LEAD - PART TIME
The Aldo Group Inc / Le Groupe Aldo Inc.
Mississauga, ON
- Part-time
…also a recognized wholesale and licensed partner, leading the design, sourcing, and distribution of fashion-forward footwear, handbags, and accessories. Our portfolio features well-known…
Added 13 mins ago
TA
QC - SALES ASSOCIATE - PART TIME
The Aldo Group Inc / Le Groupe Aldo Inc.
LaSalle, QC
- Part-time
…also a recognized wholesale and licensed partner, leading the design, sourcing, and distribution of fashion-forward footwear, handbags, and accessories. Our portfolio features well-known…
Added 13 mins ago
AI
Teamcenter Compliance Architect
Aptino, Inc.
Canada
- Contract
We are looking for an experienced Teamcenter Compliance Architect to lead the architecture and design of enterprise product and materials compliance solutions. The ideal candidate will have…
Added 13 mins ago
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Interface Coordinator
FCC Construcción
Toronto, ON
- Full-time
…and Durham Region Transit. Delivered through a Progressive Design-Build model, the project offers a unique opportunity to contribute to one of Canada's most significant transportation…
Added 13 mins ago
MN
Senior Account Manager
Mosaic North America
Toronto, ON
- Full-time
Senior Account Manager, B2B Experiential Marketing & Account Leadership
Added 13 mins ago
WI
Senior Project Manager, Municipal Engineering
WSP in Canada
Fort McMurray, AB
- Full-time
As a Senior Project Manager in our Municipal Engineering team, you will manage client relationships, oversee project delivery, support business development initiatives, and provide…
Added 13 mins ago
ES
Maintenance Generalist - Toronto
Equans Services Canada & US
Toronto, ON
- Temporary
We design, implement, and maintain custom solutions to improve our customers’ facilities, systems, and infrastructures.
Added 13 mins ago
TU
Research Engineer
The University of British Columbia
Kelowna, BC
- $6,631.67 to $9,533.25 CAD / month
- Full-time
Works alongside faculty members, graduate students, and external industry partners to design new processes and recipes for battery projects related to the pouch cell and dry electrode lines
Added 13 mins ago
DG
Social Media & Student Engagement Coordinator
Dexterra Group
Charlottetown, PE
- Full-time
…e-commerce platform. You’ll work closely with the District Manager and the University of PEI marketing team to ensure all content aligns with brand standards and supports broader…
Added 13 mins ago
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Senior Identity Security Engineer
CPKC
Calgary, AB
- Full-time
Design, support, and troubleshoot CyberArk integrations with Windows, Linux/UNIX, databases, network devices, cloud platforms, directory services, SaaS applications, and other enterprise…
Added 13 mins ago
MN
Senior Account Manager
Mosaic North America
Vancouver, BC
- Full-time
Senior Account Manager, B2B Experiential Marketing & Account Leadership
Added 13 mins ago
A
Engineering Change Control (ECC) Specialist
Alithya
Pickering, ON
- Full-time
Familiarity with EC stakeholder roles and governance structure as outlined in BP-PROC-01081 (e.g., Design Authority, FTL, OEL, Section Manager, Drafting, Supply Chain interfaces);
Added 13 mins ago
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Senior Consultant or Manager, Zero Trust Architecture
Deloitte
Toronto, ON
- Full-time
As a Senior Consultant or Manager in our Zero Trust practice, you will be a trusted advisor to Deloitte clients as they modernize how they secure access for their users, devices,…
Added 14 mins ago
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Demand Generation Manager
OpTalent | Canada | Recruitment
Guelph, ON
- Full-time
OpTalent is partnering with a growing technology-focused organization to recruit a Demand Generation Manager who will play a key role in driving brand awareness, generating qualified leads,…
Added 14 mins ago
WI
Senior Project Manager, Alternative Delivery
WSP in Canada
Winnipeg, MB
- Full-time
…multidisciplinary teams to successfully move projects from planning and design through…
Added 14 mins ago
LG
Systems Integration Manager
Lotus Group
AB · Edmonton, AB
- Full-time
…grow, it is seeking a technically strong Systems Integration Manager to lead complex customer integration projects and support the successful delivery of innovative technology…
Added 14 mins ago
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Manager, Strategic & Technology Change - Organization & Work Transformation
Deloitte
Winnipeg, MB
- Full-time
There are no typical days for a Manager in our Strategic & Technology Change practice. You will lead the design and delivery of change strategies that help organizations navigate complex…
Added 29 mins ago
CR
Project Manager - Business Development
Cando Rail & Terminals
Canada
- Full-time
The Project Manager is involved in all aspects and phases of the project life cycle, including the technical assistance in the development of project proposals, design, build, trouble…
Added 29 mins ago
CR
Project Coordinator - Business Development
Cando Rail & Terminals
Canada
- Full-time
The Project Coordinator is responsible, in conjunction with the project manager and project team, to develop and execute strategies for new and existing operations throughout the company.…
Added 29 mins ago
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Senior Project Manager
Turner & Townsend
Ottawa, ON
- Full-time
You are an expert Senior Project Manager looking for the next step or are currently undertaking a similar role in a similar environment; a highly regulated and complex operational…
Added 29 mins ago
S
Senior Human Resources Business Partner
SGS
Calgary, AB · Alberta
- Full-time
Provide HR expertise in the areas of feedback, employee relations, development and coaching, compensation, and organizational design and development.
Added 29 mins ago
T
Senior Treasury Liquidity Measurement Analyst
TD
Toronto, ON
- Full-time
Design, build and maintain reporting tools, data pipelines and analytical applications that improve scalability, efficiency and transparency.

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.

Apply About employer

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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