Senior .NET Developer - Production Support & Performance Expert

Veera P

Email: ***********@*****.*** Phone: 732-***-****

PROFESSIONAL SUMMARY

• Senior .NET Developer with 10+ years of experience in Application Development, Production Support, Incident Management, Root Cause Analysis (RCA), and Performance Optimization for enterprise banking and insurance applications.

• Extensive experience supporting mission-critical applications built on C#, .NET Framework, .NET Core, ASP.NET MVC, Web API, SQL Server, and Azure-based environments.

• Strong expertise in L3 Production Support activities including troubleshooting high-severity production incidents, log analysis, code debugging, incident resolution, and permanent fix implementation.

• Hands-on experience working with ITIL processes including Incident Management, Problem Management, Change Management, CAB reviews, release coordination, and on-call production support.

• Expertise in production monitoring and application diagnostics using Dynatrace, Splunk, AppDynamics, Azure Monitor, TrueSight, and LogScale.

• Strong experience analyzing application logs, IIS logs, SQL traces, and Windows Event Viewer to identify root causes and resolve recurring production issues.

• Experience supporting and maintaining enterprise applications hosted on IIS, Windows Servers, Azure Cloud, Windows Services, Scheduled Jobs, and batch processing systems.

• Expertise in SQL Server performance tuning, query optimization, stored procedure tuning, indexing, and API latency reduction.

• Extensive experience in CI/CD implementation using Azure DevOps Pipelines, Git, TFS, uDeploy, and automated deployment processes.

• Strong understanding of Agile/SCRUM methodologies with experience collaborating with business stakeholders, offshore teams, QA teams, and DevOps teams.

• Experience implementing secure coding practices and resolving vulnerabilities identified through Checkmarx, SonarQube, and Contrast scans.

• Excellent communication skills with proven ability to provide production status updates, stakeholder communication, and SLA-driven issue resolution.

TECHNICAL SKILLS

Category

Skills

Programming Languages

C#.NET, VB.NET, SQL, PL/SQL, JavaScript, TypeScript

Microsoft Technologies

.NET Framework, .NET Core, ASP.NET MVC, ASP.NET Web API, RESTful Services, Entity Framework, LINQ

Front-End Technologies

HTML5, CSS3, JavaScript, jQuery, AngularJS, Angular

Database

SQL Server 2016/2019/2022, Oracle 19c, T-SQL, SSRS, SSIS

Production Support Tools

Splunk, Dynatrace, AppDynamics, Azure Monitor, TrueSight, LogScale, OpsRamp

DevOps / CI-CD

Azure DevOps, Git, TFS, uDeploy

Servers / Infrastructure

IIS, Windows Server, Windows Services, Azure Cloud

Monitoring & Ticketing

ServiceNow, Jira, Dynatrace Managed, Evolven

Methodologies

Agile, SCRUM, SDLC, ITIL

Security Tools

Scripting & Automation

Checkmarx, SonarQube, Contrast

Shell Scripting &Powershell

Other Tools

IBM Connect Direct, CA Workload Automation, AutoSys, Control-M

PROFESSIONAL EXPERIENCE

PNC Bank, OH Jun 2019 – Present

Sr. .NET Developer / L3 Production Support Engineer

Responsibilities:

• Provided L3 Production Support for critical banking and market data applications built using C#, ASP.NET MVC, .NET Framework, .NET Core, Web API, and SQL Server.

Handled high-priority production incidents escalated from L1/L2 teams and ensured timely resolution within SLA timelines.

Performed advanced troubleshooting using application logs, IIS logs, SQL traces, Event Viewer, Dynatrace Managed, LogScale, and Splunk monitoring tools.

Conducted detailed Root Cause Analysis (RCA) for recurring production issues and implemented permanent fixes to improve application stability.

Collaborated with development teams to identify code-level defects, debug issues, and deploy hotfixes and patches into production.

Supported and maintained Windows Services, Linux-based batch jobs, scheduled tasks, shell scripts, and background worker processes used in banking transaction processing.

Worked extensively on Linux environments performing command-line operations, file manipulation, log analysis, shell scripting, process monitoring, and troubleshooting production issues.

Utilized Unix/Linux commands such as grep, awk, sed, tail, top, ps, chmod, and vi editor for log analysis, troubleshooting, and server maintenance activities.

Implemented application start/stop control solutions using shell scripting and automated operational scripts for deployment and recovery activities.

Monitored application health, API performance, transaction failures, and infrastructure metrics using Dynatrace, TrueSight, OpsRamp, and custom monitoring dashboards.

Integrated enterprise applications with OpsRamp monitoring solutions to enable proactive alerting, health checks, and incident notifications.

Optimized SQL queries, stored procedures, views, indexes, and API response times to improve overall application performance and reduce latency.

Worked extensively with SQL Server databases performing query optimization, indexing strategies, data validation, performance tuning, and troubleshooting blocking/deadlock issues.

Implemented pre-release and post-deployment verification activities to validate application functionality, server health, batch processing, and data integrity after production deployments.

Coordinated with DevOps teams during QA, UAT, and Production deployments using Azure DevOps, Rundeck, and uDeploy.

Integrated deployment automation processes with Rundeck and Azure DevOps pipelines for automated deployment execution and operational task scheduling.

Supported release packaging, deployment automation, rollback planning, and deployment verification activities using Azure DevOps, Rundeck, Ansible, and uDeploy.

Worked with job scheduling and workload automation tools including CA Workload Automation (Autosys), Tidal, and Control-M for managing batch jobs, job dependencies, and scheduling critical banking processes.

Possess 5+ years of hands-on experience with Autosys job scheduling, monitoring job failures, restarting jobs, dependency management, and production issue resolution.

Provisioned and configured new Windows and Linux servers including authentication setup, service accounts, environment variables, access controls, and application configurations.

Configured IBM Connect Direct scripts and file transfer processes for secure inbound and outbound banking file transmissions.

Participated in Change Management and CAB review meetings for production releases, server upgrades, certificate renewals, and infrastructure changes.

Followed ITIL-based Incident Management, Problem Management, and Change Management processes using ServiceNow and Jira.

Troubleshot trading and market data production issues by analyzing logs, application flows, infrastructure metrics, and downstream system integrations.

Worked closely with infrastructure and network teams on L2/L3 protocol-related production issues, connectivity troubleshooting, and server communication problems.

Possess 8+ years of experience working in environments involving L2/L3 network protocol troubleshooting and enterprise infrastructure support.

Recommending and implementing infrastructure improvements to improve application reliability, monitoring coverage, deployment efficiency, and system stability.

Created and maintained SOPs, operational procedures, runbooks, troubleshooting guides, and known issue repositories for production support teams.

Worked closely with offshore support teams to manage shift handovers, ticket prioritization, incident triaging, and production support activities.

Implemented proactive monitoring and alerting for Windows Services, Linux services, and batch jobs to reduce production downtime.

Performed vulnerability remediation and security fixes identified through Checkmarx, SonarQube, and Contrast scans.

Participated in Disaster Recovery (DR) and Business Continuity Planning (BCP) exercises including failover validation, recovery testing, environment readiness verification, and post-recovery application validation activities.

Participated in on-call rotation and provided support during critical production outages, weekend releases, and high-severity incidents.

Collaborated with business users and stakeholders to provide timely communication, production updates, risk assessments, corrective actions, and issue resolution status during production events.

Utilized Python scripting for log parsing, automation tasks, batch processing validations, and operational support activities.

Worked within Agile/SCRUM and SDLC frameworks collaborating with developers, QA teams, DevOps engineers, infrastructure teams, and business stakeholders.

Environment

C#, .NET Framework, .NET Core, ASP.NET MVC, Web API, SQL Server, IIS, Linux, Shell Scripting, Python, Azure DevOps, Git, Dynatrace, Splunk, TrueSight, OpsRamp, Rundeck, Ansible, ServiceNow, Jira, IBM Connect Direct, Windows Services, CA Workload Automation (Autosys), Tidal, Control-M, Azure, uDeploy, SSIS, SSRS.

GEICO, MD May 2016 – May 2019

.NET Developer

Responsibilities:

• Developed and maintained enterprise web applications using ASP.NET MVC, C#.NET, Entity Framework, Web API, SQL Server, and Azure.

• Worked in Agile/SCRUM environments and participated in sprint planning, requirement analysis, and production deployment activities.

• Supported production applications by troubleshooting application issues, debugging code, and resolving defects.

• Developed RESTful Web APIs and integrated backend services for business-critical insurance applications.

• Created and optimized T-SQL stored procedures, views, and functions for reporting and application data processing.

• Worked on SQL Server database upgrades, IIS server upgrades, and application migration activities.

• Used TFS and Jira for source code management, sprint tracking, and defect management.

• Performed Unit Testing, Integration Testing, and production validation during release cycles.

• Implemented authentication and authorization mechanisms for secure enterprise application access.

• Assisted in deployment coordination and post-production validation activities.

• Worked on production issue fixes, security remediation, and application enhancements.

Environment:

C#.NET, ASP.NET MVC, Entity Framework, Azure, SQL Server, HTML5, JavaScript, jQuery, RESTful Web Services, Jira, TFS, IIS.

Integrated Wireless Solutions, India Jun 2013 – Jul 2014

Programmer Analyst

Responsibilities:

• Involved in full SDLC activities including analysis, design, development, testing, deployment, and production support.

• Developed ASP.NET MVC applications using C#, Entity Framework, SQL Server, and Azure technologies.

• Created and maintained Web Services and WCF Services for enterprise integrations.

• Developed reusable backend components for logging, exception handling, validation, and workflow processing.

• Designed and optimized stored procedures and database operations using T-SQL.

• Worked on Azure deployments, Blob Storage configuration, and cloud-based application maintenance.

• Implemented client-side validation and responsive UI components using JavaScript, jQuery, AJAX, HTML, and CSS.

• Created Crystal Reports and generated business reports for operational teams.

Environment:

ASP.NET MVC, C#, Entity Framework, SQL Server 2008, Azure, WCF Services, JavaScript, jQuery, AJAX.

EDUCATION

• Master’s Degree – University of Bridgeport, CT, USA – 2016

• Bachelor’s Degree – Acharya Nagarjuna University, India – 2013

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