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Added 12 mins ago
Senior Software Integration Engineer - Assistant Vice President
iCapital
Toronto, ON
Solid experience with Git and Azure DevOps, including repositories, builds, CI/CD pipelines, releases, deployments and work-item management
Added 27 mins ago
ET
Test Automation Engineer
Envision Technology Solutions
Toronto, ON
- Contract
Integrate automated tests with continuous integration tools such as Jenkins and Azure DevOps.
Added 27 mins ago
TR
D365 Developer
Tenth Revolution Group
Mississauga, ON
- $80,000 to $110,000 CAD / year
- Full-time
Microsoft Dynamics Developer / D365 Developer
Added 41 mins ago
Senior Software Engineer – Android contract
KEV Group
Toronto, ON
…applications running on Android POS devices while contributing to Azure-based backend services responsible for telemetry, device management, monitoring, and operational insights. The ideal…
Added 42 mins ago
Senior AI Platform Engineer
Scotiabank
Toronto, ON
Own the technical design of scalable APIs, orchestration layers, SDKs, developer portals, and self-service tooling that improve developer productivity and enable consistent enterprise…
Added 56 mins ago
HI
Information Security Specialist
Healthcare Insurance Reciprocal of Canada (HIROC)
Toronto, ON
- Contract
Added 56 mins ago
SI
Senior Product Manager
Spruce InfoTech Inc.
Toronto, ON
- Contract
Strong working knowledge of Azure Machine Learning, Microsoft Foundry/Azure AI Foundry, LLMs, RAG, machine learning, analytics, and enterprise data platforms, including an understanding of…
Added 56 mins ago
I
Senior QA Analyst
Indidual
Toronto, ON
- Contract
· Identifies, document, and track software defects using tools like ALM, JIRA, Bugzilla, and Azure DevOps.
Added 56 mins ago
RH
Junior Full-Stack .NET Developer
Robert Half
Mississauga, ON
- Contract
We are looking for a Junior Full Stack .NET Developer to support the development, enhancement, and maintenance of internal business applications. This position is ideal for a developer with…
Added 56 mins ago
IG
Financial Business Data Analyst
Infotree Global Solutions
Montreal, QC
- Contract
Project Management Tools: Experience with Jira or Azure DevOps.
Added 56 mins ago
P
Senior L3 AI Engineer
PeoplePilot
Montreal, QC
- $120,000 to $140,000 CAD / year
- Full-time
…hands-on experience in **enterprise AI platforms, Microsoft 365, Azure OpenAI, Python, PowerShell, Microsoft Graph API, Entra ID, Purview/DLP, and AI platform…
Added 57 mins ago
Software Integration Engineer - Associate
iCapital
Toronto, ON
Use Azure DevOps for CI/CD activities, builds, deployments, work tracking and troubleshooting basic pipeline or deployment issues.
Added 57 mins ago
T
Performance Engineering Lead
TD
Mississauga, ON · Toronto, ON
- Full-time
Added 57 mins ago
T
Software Engineer II (Systems Support)
TD
Toronto, ON
- Full-time
Experience with Dynatrace / Splunk / Datadog / ServiceNow / Azure / SQL / APIs / MQ / other relevant technologies/ Autosys.
Added 57 mins ago
N
Senior DevOps Engineer
Nelnet
Mississauga, ON · CAN - MISSISSAUGA
- Full-time
…monitoring the infrastructure resources for systems hosted in our Azure cloud environment. We strongly believe in the value of GitOps, DevOps, and DevSecOps. We are building a Cloud…
Added 1 hour ago
Senior Software Development Engineer in Test (SDET)
Adaptive Financial Consulting
Montreal, QC
Exposure to cloud platforms such as AWS, GCP, Azure, and OpenShift.
Added 1 hour ago
B
Data Platform Engineer
BRP
Montreal, QC
- Full-time
Certifications in Snowflake, DBT, Azure, or related technologies.
Added 1 hour ago
SS
Delivery Lead
Soho Square Solutions
Toronto, ON
- Contract
Added 1 hour ago
GI
Junior Dotnet Developer
Gravity IT Resources
Mississauga, ON
- Contract
We’re looking for a Junior Developer to join our Enterprise Systems team. You’ll help build, enhance, and support business applications using .NET, web technologies, SQL, and Microsoft…
Added 1 hour ago
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Jr .Net/C# Developer
RONELLE EXPEDITING CORP
Mississauga, ON
- Contract
Added 1 hour ago
L
Senior Software Engineer
LTM
ON · Ontario, Canada
- $100,000 to $110,000 USD / year
- Full-time
We are seeking a highly skilled Full Stack Developer with strong expertise in Python and Angular to build and support modern cloudnative applications The ideal candidate should be…
Added 1 hour ago
B
Data Engineer
Buyerlink
Victoria, BC
- Full-time
Knowledge of cloud infrastructure and services like Azure, AWS, or GCP
Added 1 hour ago
IL
Advanced Quality Engineer
Invesco Ltd.
Charlottetown, PE
- Full-time
Familiarity with CI/CD systems (Azure DevOps, Jenkins, GitHub Actions, GitLab CI, etc.).
Added 1 hour ago
IA
Sr. AI Data Platform Engineer (FinOps Reporting)
IT Accel, Inc.
Toronto, ON
- Full-time
Experience with data platforms such as Databricks, Snowflake, BigQuery, Azure Synapse, Microsoft Fabric, SQL Server, or similar tools.
Added 1 hour ago
E
Braze Lead Developer
EXL
ON · Ontario, Canada
- Full-time
We are seeking a hands-on Braze Lead Developer to build, integrate, and scale Braze solutions for enterprise clients. You will lead a team of developers while remaining deeply hands-on:…

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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