Senior Full Stack .NET Developer

Cognizant; Mississauga; Remote; CAD 60,000 - 96,000; Full time

Job summary

Cognizant Technology Solutions Corporation is seeking a Senior Full Stack .NET Developer (Azure) to support, enhance, and optimize enterprise applications on Microsoft Azure. You will collaborate with product, infrastructure, and business stakeholders to ensure reliability, security, and performance of critical apps for TJX Companies.

You will work with .NET, C#, Blazor, APIs, and cloud-native integrations, while leveraging Azure services like API Management, Functions, App Services, SQL, and

Qualifications

• Seven or more years in software engineering, development, and production support.
• Strong hands-on with .NET Framework, C#, and Blazor.
• Expertise with Microsoft Azure services listed in the posting.
• Experience with Splunk, Azure Monitor, and logging frameworks.
• Knowledge of ITSM (ServiceNow) and incident/change management.
• Experience designing APIs and cloud-native integrations.
• Familiarity with Agile methodologies and modern software architecture.
• Excellent communication and collaboration across global teams.

Responsibilities

• Support and maintain business-critical applications ensuring high availability.
• Monitor performance using Splunk and Azure tools; perform root cause analysis.
• Design, develop, test, and deploy enhancements for .NET/C#/Blazor apps and APIs.
• Configure and secure Azure services including API Management, Functions, App Services, Redis, Key Vault.
• Collaborate with cross-functional teams to troubleshoot production issues and coordinate releases.
• Participate in code reviews, testing, and release readiness activities.
• Provide on-call support, including occasional after-hours coverage.
• Partner with global team members to share knowledge and improve processes.

Skills

.NET

C#

Blazor

Azure

APIM

Azure Functions

Azure SQL

Event Grid

Event Hub

Data Factory

Blob Storage

Key Vault

Redis Cache

Splunk

Azure Monitor

ServiceNow

APIs

Agile

Communication

Tools

Splunk

Azure Monitor

API Management

Azure Functions

App Service

Azure SQL

Event Grid

Event Hub

Data Factory

Blob Storage

Key Vault

Redis Cache

Job description

About the role

As a Senior Full Stack .NET Developer (Azure), you will make an impact by supporting, enhancing, and optimizing critical enterprise applications running on Microsoft Azure. You will be a valued member of the Software Engineering team and work collaboratively with product teams, infrastructure teams, business stakeholders, vendors, and offshore support teams to ensure the reliability, scalability, security, and performance of business-critical applications supporting The TJX Companies, Inc.

In this role, you will:

• Support and maintain business-critical applications, ensuring high availability and service reliability through effective incident, problem, and change management processes.
• Monitor application performance and health using Splunk, Azure monitoring tools, and logging solutions, performing root cause analysis and implementing permanent fixes.
• Design, develop, test, and deploy enhancements for .NET, C#, Blazor applications, APIs, and cloud-based integrations.
• Configure, optimize, and secure Azure services including API Management, Functions, App Services, Application Gateway, Azure SQL, Event Grid, Event Hub, Data Factory, Blob Storage, Key Vault, and Redis Cache.
• Collaborate with cross-functional teams to troubleshoot production issues, coordinate releases, and drive continuous improvement initiatives.
• Participate in code reviews, change reviews, testing activities, and release readiness efforts to ensure application stability and quality.
• Provide on-call support, including occasional evening or weekend coverage, to ensure timely resolution of production incidents.
• Partner with global team members to share knowledge, improve operational processes, and deliver exceptional client outcomes.

Work Model

We strive to provide flexibility wherever possible. Based on this role's business requirements, this is a remote position open to qualified applicants in Ontario, Canada, with occasional visits to the client location in Mississauga, Ontario as business needs require. Regardless of your working arrangement, we are here to support a healthy work-life balance through our various wellbeing programs.

The working arrangements for this role are accurate as of the date of posting. This may change based on the project you're engaged in, as well as business and client requirements. Rest assured; we will always be clear about role expectations.

What you need to have to be considered

• 7+ years of experience in software engineering, application development, and production support environments.
• Strong hands‑on experience with .NET Framework, C#, and Blazor development.
• Expertise working with Microsoft Azure services, including API Management, Functions, App Service, Azure SQL, Event Grid, Event Hub, Data Factory, Blob Storage, Key Vault, and Redis Cache.
• Experience with Splunk, Azure Monitor, logging frameworks, and application performance monitoring tools.
• Strong understanding of ServiceNow and IT service management processes including incident, change, and problem management.
• Experience developing and supporting APIs, integrations, and cloud‑native applications.
• Working knowledge of Agile software development methodologies and software architecture principles.
• Excellent communication, collaboration, and problem‑solving skills with the ability to work effectively across global teams.

These will help you stand out

• Experience in retail or consumer goods industry environments.
• Knowledge of UX design principles, usability testing, and user-centric application development.
• Experience with AWS Web Application Firewall (WAF) and cloud security best practices.
• Experience creating operational metrics, dashboards, and service performance reports.
• Passion for continuous improvement, automation, and emerging technologies.

Applications will be accepted until December 5, 2026.

Salary Transparency (Canada)

The annual salary for this position is anticipated to be between CAD $60,300 and CAD $95.500, depending on experience, skills, qualifications, and geographic location. Compensation decisions are based on several factors including, but not limited to, education, training, certifications, experience, market conditions, and internal equity.

In addition to a competitive salary, eligible associates may participate in a variety of benefit programs designed to support physical, financial, and emotional wellbeing. The compensation and benefits information provided is accurate as of the date of this posting and may be modified in the future based on business needs and applicable laws.