Dot Net

Kumaran Systems; Toronto; On-site; CAD 120,000 - 160,000; Full time

Job summary

Kumaran Systems is seeking an accomplished senior .NET backend engineer to design and implement scalable services in Azure. You will work on RESTful APIs, data modeling in SQL Server/Azure SQL, and secure authentication patterns while driving CI/CD through modern DevOps practices.

Join a team that emphasizes engineering discipline, AI-enabled modernization, and cloud-first transformations across industries. Toronto-based opportunity with global impact.

Qualifications

• 10+ years of hands-on .NET development.
• Experience with Azure Functions, Service Bus, and App Service.
• SQL Server / Azure SQL design, indexing, and T-SQL.
• RESTful APIs and EF Core with DI and async/await.
• Identity & security using Entra ID, OAuth2/OIDC.
• CI/CD pipelines with Azure DevOps or GitHub Actions.
• Unit and integration testing in .NET.

Responsibilities

• Design and build scalable backend services in .NET 8 / C#.
• Develop and maintain Azure Functions, Service Bus consumers and App Service deployments.
• Model, query and tune data in SQL Server / Azure SQL; write performant T-SQL and stored procedures.
• Implement CI/CD pipelines in Azure DevOps or GitHub Actions for build/test/release.
• Instrument services with Application Insights; diagnose and resolve production incidents.
• Collaborate with architects, QA and DevOps on secure Azure solutions.
• Review PRs, enforce coding standards and mentor developers.

Skills

.NET development

Azure Functions

Service Bus

App Service

SQL Server / Azure SQL

RESTful APIs

Entity Framework Core

CI/CD

Identity & Security

Unit testing

Git

Education

Bachelor's/Master's in CS/Engineering

Tools

Azure DevOps

GitHub Actions

Docker

Terraform

Kubernetes

Bicep

Job description

About Us

Kumaran Systems: Engineering Future-Ready Transformations Since 1992, Kumaran Systems has been helping enterprises bridge the past and the future, reimagining legacy systems and embracing AI-led possibilities. With over 34 years of delivery excellence, we specialise in re-engineering core applications, driving cloud transformation, and building automation-first, GenAI-enabled ecosystems across the Banking and Financial Services, Insurance, Telecom, and Automotive sectors. We help organisations not just upgrade their systems but reimagine what’s possible.

About Us

Kumaran Systems: Engineering Future-Ready Transformations Since 1992, Kumaran Systems has been helping enterprises bridge the past and the future, reimagining legacy systems and embracing AI-led possibilities. With over 34 years of delivery excellence, we specialise in re-engineering core applications, driving cloud transformation, and building automation-first, GenAI-enabled ecosystems across the Banking and Financial Services, Insurance, Telecom, and Automotive sectors. We help organisations not just upgrade their systems but reimagine what’s possible.

Why Kumaran?

We blend engineering discipline with AI innovation, helping clients modernise with confidence, automate with clarity, and scale with purpose. Our global delivery model ensures agility, responsiveness, and seamless collaboration, with clients always at the heart of every engagement. At Kumaran, we don’t just solve problems, we engineer future-ready transformations.

Key Responsibilities

• Design and build scalable backend services in .NET 8 / C# and Web APIs.
• Develop and maintain Azure Functions, Service Bus consumers and App Service deployments.
• Model, query and tune data in SQL Server / Azure SQL; write performant T-SQL and stored procedures.
• Implement CI/CD pipelines in Azure DevOps for build, test and release automation.
• Instrument services with Application Insights; diagnose and resolve production incidents.
• Collaborate with architects, QA and DevOps on secure, cost-efficient Azure solutions.
• Review pull requests, enforce coding standards and mentor mid-level developers.

Must-Have Skills

• 10+ years of hands‑on .NET development (.NET Core / .NET 6/8, C#).
• Strong experience with Azure Functions, Service Bus, App Service, Blob Storage, Key Vault.
• SQL Server / Azure SQL — schema design, indexing, T‑SQL, stored procedures, query tuning.
• RESTful API design, Entity Framework Core, Dependency Injection, async/await patterns.
• Identity & security: Entra ID (Azure AD), OAuth2 / OIDC, Managed Identity.
• Unit testing (xUnit / NUnit / MSTest) and integration testing.
• CI/CD using Azure DevOps (YAML pipelines) or GitHub Actions.
• Git, branching strategies and code-review discipline.

Good-to-Have Skills

• Azure certifications: AZ-204, AZ-400, AZ-305.
• Containerization (Docker, Azure Kubernetes Service).
• Infrastructure-as-Code (Bicep, Terraform, ARM).
• Event-driven architectures using Event Grid or Event Hubs.
• Microservices patterns (CQRS, Saga, Circuit Breaker).
• Frontend exposure (Angular / React / Blazor).

Qualifications

• Bachelor's/Master's in Computer Science, Engineering or equivalent.
• Proven track record of delivering production workloads on Azure.
• Strong written and verbal communication; comfortable in client‑facing conversations