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Added 1 hour ago
ZS
DevOps Architect
Zodiac Solutions, Inc
Toronto, ON
- Full-time
Experience in setting up infrastructure and architecture for DevOps tools such as Git, Jenkins, Ansible, Azure ARM templates, AWS Cloud Formation etc. including ongoing support
Added 2 hours ago
N
Senior DevOps Engineer
Nelnet
Mississauga, ON · CAN - MISSISSAUGA
- Full-time
…cloud environment. We strongly believe in the value of GitOps, DevOps, and DevSecOps. We are building a Cloud Application Platform team to accelerate our migration out of the datacenter and…
Added 4 hours ago
PT
Principal Technical Program Manager
PAR Technology
Remote, Canada
- $160,000 to $190,000 CAD / year
- Full-time
- Remote
…meaningful outcomes. We are seeking an experienced Senior Program Manager to lead complex, cross-functional technology programs that support our strategic priorities and product…
Added 4 hours ago
EI
Value Stream Owner
Enercare Inc.
Markham, ON
- Full-time
Dive into application tools and data analysis to support requirements, solution design and validate results.
Added 5 hours ago
CA
Data Engineering & Platforms Manager
Canadian Addiction Treatment Centres (CATC)
Markham, ON
- Full-time
The Manager will work closely with Finance, FP&A, Information Technology, operational leaders and system owners to ensure that reliable, timely and appropriately structured data is…
Added 6 hours ago
M
Manager - Software Development
MDA
Brampton, ON
- Full-time
We are seeking a Manager, Software Engineering, to lead and develop a software engineering team in Brampton, supporting advanced space and robotics programs. This role combines people…
Added 7 hours ago
DR
Senior Platform Software Engineer – Backend
DSI Recruiting
Toronto, ON
- $130,000 to $160,000 CAD / year
- Full-time
 Publish packages through Azure DevOps Artifacts and support domain teams in adoption without unnecessary coupling.
Added 8 hours ago
DF
Systems Engineer
DUCA Financial Services Credit Union Ltd.
Toronto, ON · North York, ON
- Full-time
The Systems Engineer will support the build, deployment, maintenance, and monitoring of DUCA’s information technology systems and processes, comprised of physical and cloud hypervisor…
Added 23 hours ago
N(
Data and Insights Analyst
NAIT (Northern Alberta Institute of Technology)
AB · Edmonton, AB
- Full-time
The role of a Data & Insight Analyst will support and report to the Manager, Data & Insights. The Data & Insight Analyst works with other members of the team to provide business…
Added 23 hours ago
B
Manager, DevSecOps
BCI
Victoria, BC · CA Victoria
- Full-time
Reporting to the Director, Application Delivery, the Manager, DevSecOps (Development, Security, Operations) is responsible for developing, implementing, and continuously improving a…
Added 23 hours ago
NA
Data and Insights Analyst
Northern Alberta Institute of Technology
St. Catharines, ON · Main Campus
- Full-time
The role of a Data & Insight Analyst will support and report to the Manager, Data & Insights. The Data & Insight Analyst works with other members of the team to provide business…
Added 23 hours ago
B
Manager, DevSecOps
BCI
Victoria, BC
- $125,000 to $150,000 CAD / year
- Full-time
Reporting to the Director, Application Delivery, the Manager, DevSecOps (Development, Security, Operations) is responsible for developing, implementing, and continuously improving a…
Added 1 day ago
F
Salesforce Technical Lead
Finning
Surrey, BC
- Full-time
Reporting to the Software Delivery Manager, the Salesforce Technical Lead is responsible for leading a Salesforce delivery team in the design, development, testing, and release of scalable…
Added 1 day ago
M
Full Stack Engineer
Manulife
Toronto, ON · Waterloo, ON
- Full-time
Contribute to detailed system-design specifications that support system and application development.
Added 1 day ago
PG
Senior Application Security Engineer
Paymentus Group Inc
Richmond Hill, ON
- Full-time
This is a hands-on technical role reporting to the Manager of Platform Security. The Senior Application Security Engineer will perform secure design reviews, threat modeling, source code…
Added 1 day ago
AC
Back-end Developer – Proactive Hiring
Air Canada
Toronto, ON · Dorval, QC
- Full-time
Collaborate with cross-functional teams (Product Managers, DevOps, QA) to align goals, timelines, and deliverables, ensuring backend systems support the overall product vision.
Added 1 day ago
BE
Manager, Application Development
BC Energy Regulator
Fort St. John, BC
- Full-time
The Manager, Application Development (Manager) provides leadership and oversight of the BCER software development functions, ensuring the effective delivery, maintenance, and continuous…
Added 1 day ago
MP
Manager, DevOps
Michael Page
Markham, ON
- $110,000 to $115,000 CAD / year
- Full-time
Lead the Application Support and DevOps function responsible for the stability, availability, and continuous improvement of digital applications, travel systems, MuleSoft integrations, and…
Added 1 day ago
BS
IAM Analyst
Brainhunter Systems Ltd
Calgary, AB
- Contract
The Digital Workplace Services (DWS) Administrator - Entra ID reports to the Manager, Digital Workplace Services and supports the administration, implementation, and ongoing operation of…
Added 1 day ago
FC
Senior QA Analyst
First Canadian Financial Group
Sherwood Park, AB
- Full-time
…opportunity. We take pride in being an organization that our employees support long-term. We believe in our employees and celebrate their success by asking for employee opinions and…
Added 1 day ago
GT
Consultant, Site Reliability Engineering
Global Technical Talent, an Inc. 5000 Company
Toronto, ON
- $65 to $72 CAD / hour
- Contract
5–10 years of experience in SRE, DevOps, or Application Support environments.
Added 1 day ago
HT
Systems Testing / QA Specialist
Hirematic Talent Solutions
Toronto, ON
- $40 to $48 CAD / hour
- Contract
Work with testing leads, IT leads, and project team members throughout the analysis, design, development, implementation, and ongoing support of systems.
Added 1 day ago
NB
Site Reliability Engineer
National Bank of Canada
Montreal, QC
- Full-time
…Management team at National Bank means acting as a specialist in application reliability, observability, and operational maturity. This role allows you to make a concrete and lasting impact…
Added 1 day ago
C
Service delivery Manager
CGI
Toronto, ON
- Full-time
…software development, solution architecture, and production support. The successful candidate will guide solution design and technical delivery for AWS and Node.js applications while…
Added 1 day ago
M
Lead Full Stack Engineer
Manulife
Toronto, ON · Waterloo, ON
- Full-time
…will deliver secure, reliable, and user-centred solutions that support business objectives, while translating business strategy into architectural and delivery…

DSI Recruiting

Senior Platform Software Engineer – Backend

Toronto, ON, Canada

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

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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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