Cognizant

Senior .NET Full Stack Engineer

Cognizant
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6 days ago
Halifax, CanadaSenior

Responsibilities

  • Architect, design, develop, test, deploy, modernize, and support enterprise-grade full stack applications.
  • Build backend services, REST APIs, user interfaces, integrations, cloud services, data access layers, and deployment pipelines.
  • Translate business and non-functional requirements into scalable solution designs, technical specifications, implementation plans, and working software.
  • Lead migration from legacy .NET workloads to current .NET and Azure-native services while maintaining operational continuity.
  • Troubleshoot application, UI, API, database, network, cloud, security, and integration issues, including root-cause analysis and permanent corrective actions.
  • Establish coding, secure development, API, branching, quality, observability, and documentation standards.
  • Review code and solution designs, identify scalability and maintainability risks, and mentor engineers.
  • Own CI/CD, release readiness, deployments, post-production validation, rollback planning, operational handover, and production support.
  • Drive vulnerability remediation, dependency and framework upgrades, patching, certificate and secret management, and technology lifecycle activities.
  • Create and maintain architecture diagrams, technical designs, API documentation, runbooks, support procedures, knowledge articles, and release notes.

Requirements

  • 7+ years of progressive experience in full stack application engineering, solution design, modernization, maintenance, and production support.
  • Advanced hands-on expertise with C#, .NET Framework, .NET Core, .NET 6/7/8, ASP.NET Core, Web API, Entity Framework Core, LINQ, and asynchronous programming.
  • Strong experience building modern web applications with React or Angular, TypeScript, HTML5, CSS3, responsive design, and reusable component patterns.
  • Deep experience designing secure and scalable REST APIs, microservices, background services, and enterprise integration solutions.
  • Extensive hands-on experience with Microsoft Azure application, integration, security, monitoring, and deployment services.
  • Proven technical leadership in architecture, code reviews, engineering standards, performance optimization, production troubleshooting, and mentoring.
  • Demonstrated ownership of critical enterprise applications, incidents, defects, releases, vulnerabilities, and technology lifecycle activities.
  • Preferred experience with Docker, Kubernetes, Azure Kubernetes Service, containers, cloud-native deployment patterns, Bicep, Terraform, ARM templates, PowerShell, or Azure CLI.
  • Preferred experience with distributed caching, message brokers, API gateways, resiliency patterns, performance engineering, high-volume systems, SonarQube, SAST/DAST, dependency scanning, observability platforms, and DevSecOps controls.
  • Experience in healthcare, insurance, financial services, or other regulated large-enterprise environments and relevant Microsoft Azure certifications are advantageous.

Benefits

  • Remote position open to qualified applicants in Canada.
  • Benefits supporting physical, mental, and financial wellbeing.
  • Eligible for Cognizant’s discretionary annual performance-based bonus.
  • Work arrangements may change based on project, client, and business requirements.

Tech Stack

Cognizant

About Cognizant

10,000+ employees

Cognizant is a public IT services and consulting firm that designs, builds, and runs enterprise technology, including digital engineering, cloud modernization, data/AI, and managed services. It sells consulting, systems integration, and outsourcing on multi-year engagements to large enterprises in healthcare, banking, retail, communications, and manufacturing. Founded in 1994 and headquartered in Teaneck, New Jersey, Cognizant is NASDAQ-listed (CTSH) and a Fortune 500 company.

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