Technical Lead - Application Development & Maintenance (ASP.NET & Oracle Stack)

Capgemini • Mississauga, ON

3d • CA$76,336 - CA$179,088 • Onsite

About The Position

We are seeking an experienced Technical Lead with 8–10 years of experience to lead Application Development (AD) and Application Maintenance & Support (AMS) in a Telecom domain environment. The role focuses on ASP.NET/C# applications integrated with Oracle and MS SQL databases. The candidate will lead transition from client teams, ensure application stability, and drive modernization using observability (Dynatrace) and AI-driven engineering practices.

Requirements

• ASP.NET, C# (.NET Framework/.NET Core/.NET 6+)
• ASP.NET MVC, Web API, Entity Framework
• Oracle 19c (SQL, PL/SQL, performance tuning)
• MS SQL Server (T-SQL, stored procedures, performance tuning)
• IIS (Internet Information Services)
• Windows Server and optional Linux (Red Hat)
• Dynatrace (APM, distributed tracing, monitoring)
• Splunk/ELK for log monitoring
• Git, Azure DevOps/Jenkins
• MSBuild, NuGet
• SonarQube, ServiceNow, JIRA
• PowerBuilder (legacy system support and maintenance)
• Visual Basic (VB/VB.NET)
• GitHub Copilot or similar AI coding assistants
• Dynatrace AIOps capabilities
• AI-driven anomaly detection and log analytics
• Exposure to Generative AI APIs (Azure OpenAI)
• Automation in DevOps pipelines

Nice To Haves

• Telecom billing systems knowledge
• Microservices, Docker, Kubernetes
• Cloud platforms (Azure/AWS)
• Security standards (OAuth2, JWT, SSL)
• Legacy modernization experience
• ITIL processes (incident, problem, change management)

Responsibilities

• Own end-to-end lifecycle of telecom enterprise applications including enhancements, maintenance, and production support
• Lead knowledge transition from client teams including documentation, reverse engineering, and risk mitigation
• Perform impact analysis, solution design, and estimation for enhancements and defect fixes
• Provide L2/L3 support including incident triage, root cause analysis, and resolution
• Ensure SLA/KPI adherence for incident, change, and problem management
• Design, develop, and enhance ASP.NET (MVC/.NET Core) applications and REST APIs
• Manage deployments and hosting in IIS environments
• Implement monitoring using Dynatrace and log analytics using Splunk/ELK
• Develop dashboards, alerts, and observability metrics for system health
• Collaborate with cross-functional teams including business, QA, DevOps, and infrastructure
• Maintain documentation, runbooks, and operational procedures
• Enforce code quality standards using SonarQube
• Mentor team and ensure knowledge transfer readiness
• Leverage AI tools for development optimization and intelligent monitoring
• Provide support and enhancements for legacy applications built using PowerBuilder and VB/VB.NET
• Lead legacy modernization initiatives and migration to .NET platforms
• Perform database optimization and tuning using MS SQL Server
• Ensure application stability on Windows-based environments
• Support integration between legacy systems and modern APIs/services
• Drive continuous improvement through automation and process optimization

Benefits

• Paid time off based on employee grade (A-F), defined by policy: Vacation: 12-25 days, depending on grade, Company paid holidays, Personal Days, Sick Leave
• Medical, dental, and vision coverage (or provincial healthcare coordination in Canada)
• Retirement savings plans (e.g., 401(k) in the U.S., RRSP in Canada)
• Life and disability insurance
• Employee assistance programs
• Other benefits as provided by local policy and eligibility

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed