Role Overview

We are looking for an experienced .NET / SQL Developer to join our application maintenance and production support team. The role involves providing L2/L3 application support, incident resolution, problem management, defect fixing, minor enhancements, technical troubleshooting, and production stability for business-critical applications.

The ideal candidate should have a strong development + production support mindset, with hands-on experience in C#, .NET/.NET Core, ASP.NET, Web APIs, SQL Server, application debugging, and production incident management. The candidate should be comfortable working in a live production environment, meeting SLAs, performing RCA, and driving continuous improvements through automation.

Location : Chennai

Shift: US shift timings (Night Shift)

Key Responsibilities

1. Application Support

- Provide L2/L3 support for .NET-based applications.
- Analyze and resolve production incidents within agreed SLAs.
- Troubleshoot application failures, errors, and performance issues.
- Perform root-cause analysis for recurring and high-severity incidents.
- Ensure application availability, stability, and performance.

2. .NET Development & Maintenance

- Develop and maintain applications using C#, .NET/.NET Core, ASP.NET, and Web API.
- Analyze existing code and implement defect fixes.
- Develop minor enhancements and change requests.
- Participate in code reviews and follow development standards.
- Debug and troubleshoot application issues across development and production environments.

3. SQL Server Support

- Write and optimize complex SQL queries, T-SQL, stored procedures, functions, and views.
- Troubleshoot database-related application issues.
- Analyze execution plans and resolve SQL performance issues.




- Support approved production data fixes and database activities.

4. Incident & Problem Management

- Investigate application failures, data issues, and performance degradation.
- Perform RCA and implement permanent corrective actions.
- Identify recurring incidents and recommend preventive measures.
- Participate in Major Incident Management when required.

5. Production Monitoring

- Monitor application health, batch jobs, interfaces, and scheduled processes.
- Analyze application logs, alerts, and system behavior.
- Coordinate with infrastructure, database, network, and third-party teams to resolve incidents.

6. Release & Deployment Support

- Support application releases and production deployments.
- Prepare deployment scripts, release documentation, and rollback procedures.
- Perform post-deployment validation and production verification.

7. Integration Support

- Troubleshoot REST/SOAP APIs and application integrations.
- Investigate interface failures and data synchronization issues.
- Coordinate with upstream and downstream application teams.

8. Documentation & Knowledge Management

- Maintain technical documentation, support procedures, and troubleshooting guides.
- Create and maintain application runbooks and knowledge articles.
- Ensure effective knowledge transfer within the support team.

9. Automation & Continuous Improvement





- Identify repetitive manual support activities and automate them.
- Develop scripts and tools to improve operational efficiency and reduce MTTR.
- Recommend improvements to reduce ticket volumes and recurring incidents.

10. Stakeholder & Vendor Coordination

- Collaborate with business users, application owners, infrastructure teams, and third-party vendors.
- Provide clear technical updates during incidents and service reviews.
- Participate in application support governance and service review meetings.

Required Technical Skills

Mandatory

- C#
- .NET / .NET Core
- ASP.NET / Web API
- SQL Server / T-SQL
- Stored Procedures
- REST APIs
- Application debugging and troubleshooting
- Production incident management
- Git / Source Code Management

Positive to Have

- PowerShell
- Windows Server
- IIS
- Entity Framework
- CI/CD
- Docker
- Monitoring tools such as Dynatrace, Grafana, AppDynamics, or similar
- ITIL / ITSM knowledge

Experience

- 6-8 years of experience in .NET application development and production support.
- Strong experience in L2/L3 application support within an enterprise environment.
- Hands-on experience with incident management, problem management, RCA, SQL performance tuning, and production troubleshooting.
- Experience working with business-critical applications and meeting defined SLAs.

Key Performance Indicators

Performance will be measured based on:

- SLA compliance
- MTTR
- Production incident resolution
- Application availability and stability
- Reduction in repeat incidents
- Problem/RCA closure
- Change success rate
- Ticket backlog reduction
- Automation delivered
- Reduction in manual support effort
- Customer/business satisfaction

📌 Night shift : .NET / SQL Application Maintenance & Support Developer (Chennai)
🏢 Cegeka
📍 Chennai