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Added 9 mins ago
C
Senior Application Developer- Azure
CIBC
Toronto, ON
- Full-time
You can demonstrate experience. 2-3 years as an Application Developer/Support and Integration Specialist wearing multiple hats to help support internal clients. You must have good knowledge…
Added 9 mins ago
KC
Senior Data Consultant – Databricks
Keyrus Canada
Toronto, ON · Montreal, QC
- Full-time
Azure DevOps, CI/CD practices, version control, and development workflows.
Added 25 mins ago
CA
Data Engineering & Platforms Manager
Canadian Addiction Treatment Centres (CATC)
Markham, ON
- Full-time
Added 25 mins ago
T
Test Analyst
TalentHub.io
Canada
- Full-time
Familiarity with manual testing techniques and defect tracking tools (e.g., JIRA, Azure DevOps, Bugzilla).
Added 26 mins ago
Senior Software Engineer
Electronic Arts
Vancouver, BC
This is not a traditional DevOps or systems administration role. We are looking for a software craftsman who is highly proficient in Python and Go, passionate about the full Software…
Added 40 mins ago
M
Manager - Software Development
MDA
Brampton, ON
- Full-time
Lead continuous improvement and modernization initiatives, including AI adoption, DevOps, and verification and validation (V&V).
Added 40 mins ago
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Devops Engineer
I8IS - Infiniti Software Solutions
Mississauga, ON
- Full-time
Added 40 mins ago
IS
Generative AI Engineer
Iris Software Inc.
Toronto, ON
- Contract
Influence and collaboration with various stakeholders, including platform users, architects, cloud engineering, DevOps, and others
Added 40 mins ago
IA
AI/ML Platform Engineer – Containers & GPU Infrastructure - Canada
IT Accel, Inc.
Toronto, ON
- Full-time
This is not a DevOps-only role, and it is not model development. You'll build, operate, troubleshoot and improve the platform that data science and application teams depend on, inside a…
Added 41 mins ago
H
Contact Center Consultant
HCLTech
Toronto, ON
- $100,000 to $115,000 CAD / year
- Full-time
We are primarily looking for a resource with a combination of Contact Center/Amazon Connect technical and AWS DevOps capabilities.
Added 55 mins ago
AI
Testing/QA Specialist
Avanciers Inc.
Toronto, ON
- Contract
Experience with defect tracking tools like JIRA, Azure DevOps, or similar.
Added 55 mins ago
T
Security Specialist-Security Architect
TEEMA
Regina, SK
- Contract
Collaborate with DevOps and engineering teams to embed security practices into CI/CD pipelines and development processes.
Added 56 mins ago
OU
Quality Assurance Analyst
ONTARIO UNIVERSITIES APPLICATION CENTRE
Guelph, ON
- Full-time
Experience using defect tracking, test management or project management tools (e.g., Jira, Azure DevOps).
Added 56 mins ago
LM
Full Stack Engineer Sr - E3
Lockheed Martin
Ottawa, ON
- Full-time
DevOps experience building Continuous Integration (CI)/Continuous Delivery (CD) Pipelines
Added 56 mins ago
V
Full Stack Engineer
VySystems
Toronto, ON
- Full-time
Experience with Azure DevOps, Git, CI/CD pipelines, automated testing, and deployment automation.
Added 56 mins ago
MQ
Software Automation Engineer
Miipe Quality Solutions
Markham, ON
- $60,000 to $65,000 CAD / year
- Full-time
· Experience with CI/CD tools such as Jenkins, GitHub Actions, or Azure DevOps
Added 1 hour ago
RD
Engagement Delivery Manager
Randstad Digital
Toronto, ON
- $104,800 to $154,800 CAD / year
- Full-time
Understanding of software development life cycle (SDLC), DevOps, and CI/CD practices.
Added 1 hour ago
QW
Senior Salesforce Lead
Quantum World Technologies Inc.
Canada
- Contract
DevOps & Source Control: Practical experience with GitHub, source-driven development (SFDX), Jenkins CI/CD, and Salesforce packaging (1GP / 2GP unlocked packages).
Added 1 hour ago
GC
Senior Software Engineer
Gigafest Consulting
Toronto, ON
- Full-time
Gigafest is hiring a Senior Software Developer.
Added 1 hour ago
IS
DevOps Platform Engineer (Terraform/EKS)
Iris Software Inc.
Toronto, ON · Greater Toronto Area, Canada
- Contract
Title: DevOps Platform Engineer (Terraform/EKS)
Added 1 hour ago
2I
Senior Product Manager
2iSolutions Inc.
Toronto, ON
- Contract
Added 1 hour ago
B
Senior DevOps Engineer – Azure DevOps & GitHub Actions
BeachHead
Toronto, ON
- $65 to $68 CAD / hour
- Contract
Could you drive modern DevOps practices and build scalable CI/CD solutions? Apply Now!
Added 1 hour ago
2I
Senior Systems Testing/QA Specialist
2iSolutions Inc.
Toronto, ON
- Contract
Experience with defect tracking tools such as JIRA or Azure DevOps.
Added 1 hour ago
V
Full Stack Engineer
VySystems
Toronto, ON
- Full-time
Experience with Azure DevOps, Git, CI/CD pipelines, automated testing, and deployment automation.
Added 1 hour ago
DR
Senior Platform Software Engineer – Frontend
DSI Recruiting
Toronto, ON
- $135,000 to $160,000 CAD / year
- Full-time
 Publish and maintain frontend packages through Azure DevOps Artifacts and support consuming application teams.

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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