Application Support Engineer(C#, .NET Core, MS SQL Server, L2/L3 Production Support, Microsoft Azure)

EXASOFT PTE. LTD.; Singapore; On-site; SGD 120,000 - 160,000; Full time

Job summary

EXASOFT PTE. LTD. seeks a senior IT application specialist to own end-to-end understanding of in-scope apps, including workflows, architecture, databases, integrations, and dependencies. You will be the primary onsite technical interface for business users and IT stakeholders.

You will coordinate support, testing, deployments, and knowledge transfer with offshore teams, ensuring timely progress against SLAs and KPIs.

Qualifications

• Minimum 9+ years of experience in Microsoft application development, maintenance, and production support.
• Strong hands-on troubleshooting skills across .NET applications and SQL Server databases.
• Experience managing multiple enterprise applications and understanding complex business workflows.
• Excellent stakeholder communication, coordination, and technical documentation skills.
• Proven experience working with onsite-offshore delivery teams.
• Ability to independently manage technical discussions, priorities, and escalations.

Responsibilities

• Develop end-to-end functional and technical understanding of all in-scope applications, including business workflows, architecture, databases, integrations, and dependencies.
• Act as the primary onsite technical interface for business users, application owners, and IT stakeholders.
• Coordinate application support, incident investigation, root cause analysis, defect resolution, and enhancements with the offshore team.
• Gather and translate business requirements into actionable technical tasks for the India delivery team.
• Perform initial technical troubleshooting involving .NET applications, SQL databases, APIs, and application performance.
• Coordinate application testing, UAT, change management, production releases, and deployment validation.
• Facilitate knowledge transfer, maintain technical documentation, and ensure effective onsite-offshore communication.
• Track delivery progress, SLA/KPI performance, risks, and escalations, ensuring timely stakeholder updates.

Skills

Stakeholder communication

Troubleshooting

Documentation

Independent technical discussions

Onsite-offshore coordination

Tools

C#

ASP.NET

NET Framework/Core

Web APIs

IIS

MS SQL Server

T-SQL

Stored procedures

REST/SOAP APIs

JSON/XML

Git

Azure DevOps

Jenkins

CI/CD

Jira/ServiceNow

Job description

Responsibilities

• Develop end-to-end functional and technical understanding of all in-scope applications, including business workflows, architecture, databases, integrations, and dependencies.


• Act as the primary onsite technical interface for business users, application owners, and IT stakeholders.


• Coordinate application support, incident investigation, root cause analysis, defect resolution, and enhancements with the offshore team.


• Gather and translate business requirements into actionable technical tasks for the India delivery team.


• Perform initial technical troubleshooting involving .NET applications, SQL databases, APIs, and application performance.


• Coordinate application testing, UAT, change management, production releases, and deployment validation.


• Facilitate knowledge transfer, maintain technical documentation, and ensure effective onsite-offshore communication.


• Track delivery progress, SLA/KPI performance, risks, and escalations, ensuring timely stakeholder updates.

Requirements

• Minimum 9+ years of experience in Microsoft application development, maintenance, and production support.


• Strong hands‑on troubleshooting skills across .NET applications and SQL Server databases.


• Experience managing multiple enterprise applications and understanding complex business workflows.


• Excellent stakeholder communication, coordination, and technical documentation skills.


• Proven experience working with onsite-offshore delivery teams.


• Ability to independently manage technical discussions, priorities, and escalations.


• Strong experience in C#, ASP.NET, .NET Framework, .NET Core / modern .NET, Web APIs, and IIS.


• Experience with MS SQL Server, T‑SQL, stored procedures, query optimization, and database troubleshooting.


• Knowledge of L2/L3 production support, incident/problem management, RCA, and performance troubleshooting.


• Experience with Git, Azure DevOps/Jenkins, CI/CD, Jira/ServiceNow.


• Knowledge of REST/SOAP APIs, JSON, XML, and application integrations.


• Working knowledge of Microsoft Azure is preferred.