Application Support Engineer

Exasoft Pte. Ltd.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

Exasoft Pte. Ltd. is seeking a senior Microsoft application specialist to own end-to-end knowledge of enterprise apps, collaborate with business users and IT stakeholders, and coordinate offshore delivery teams for incidents, changes and releases.

The role requires 8–12+ years in Microsoft app development and production support, with strong C#, ASP.NET, .NET Core/Framework and Web APIs expertise, plus SQL Server troubleshooting and Azure familiarity. Onsite work in Singapore is expected.

Qualifications

• 8–12+ years of experience in Microsoft application development, maintenance and production support.
• Strong hands‑on knowledge of C#, ASP.NET, .NET Framework, .NET Core/modern .NET, Web APIs and IIS.
• Experience with MS SQL Server, T‑SQL, stored procedures, query optimisation and database troubleshooting.
• Proven experience in L2/L3 application support, incident and problem management, root cause analysis and performance troubleshooting.
• Hands‑on exposure to Git, Azure DevOps or Jenkins, CI/CD pipelines, and service management tools such as Jira or ServiceNow.
• Good understanding of REST/SOAP APIs, JSON, XML and enterprise application integrations.
• Working knowledge of Microsoft Azure is preferred.
• Experience supporting multiple enterprise applications and understanding complex business workflows.
• Proven experience coordinating with onsite–offshore delivery teams and managing technical discussions, priorities and escalations.
• Strong stakeholder communication, problem‑solving and technical documentation skills.

Responsibilities

• Develop end-to-end functional and technical knowledge of in-scope enterprise applications, including business workflows, architecture, databases, integrations and dependencies.
• Act as the primary onsite technical point of contact for business users, application owners and IT stakeholders.
• Coordinate application support activities, incident investigations, root cause analysis, defect resolution and enhancements with offshore delivery teams.
• Gather business requirements and translate them into clear technical tasks for the offshore development and support teams.
• Perform initial technical troubleshooting of .NET applications, SQL databases, APIs and application performance issues.
• Coordinate application testing, UAT, change management, production releases and post-deployment validation.
• Facilitate knowledge transfer, maintain technical documentation and ensure effective onsite–offshore communication.
• Monitor delivery progress, SLA/KPI performance, risks and escalations, providing timely updates to stakeholders.

Skills

C#

ASP.NET

.NET Framework

.NET Core

Web APIs

IIS

Git

Azure DevOps

Jenkins

REST APIs

JSON

XML

Azure

Tools

Git

Azure DevOps

Jenkins

Jira

ServiceNow

Job description

Responsibilities

• Develop end-to-end functional and technical knowledge of in-scope enterprise applications, including business workflows, architecture, databases, integrations and dependencies.
• Act as the primary onsite technical point of contact for business users, application owners and IT stakeholders.
• Coordinate application support activities, incident investigations, root cause analysis, defect resolution and enhancements with offshore delivery teams.
• Gather business requirements and translate them into clear technical tasks for the offshore development and support teams.
• Perform initial technical troubleshooting of .NET applications, SQL databases, APIs and application performance issues.
• Coordinate application testing, UAT, change management, production releases and post-deployment validation.
• Facilitate knowledge transfer, maintain technical documentation and ensure effective onsite–offshore communication.
• Monitor delivery progress, SLA/KPI performance, risks and escalations, providing timely updates to stakeholders.

Requirements

• 8–12+ years of experience in Microsoft application development, application maintenance and production support.
• Strong hands‑on knowledge of C#, ASP.NET, .NET Framework, .NET Core/modern .NET, Web APIs and IIS.
• Experience with MS SQL Server, T‑SQL, stored procedures, query optimisation and database troubleshooting.
• Proven experience in L2/L3 application support, incident and problem management, root cause analysis and performance troubleshooting.
• Hands‑on exposure to Git, Azure DevOps or Jenkins, CI/CD pipelines, and service management tools such as Jira or ServiceNow.
• Good understanding of REST/SOAP APIs, JSON, XML and enterprise application integrations.
• Working knowledge of Microsoft Azure is preferred.
• Experience supporting multiple enterprise applications and understanding complex business workflows.
• Proven experience coordinating with onsite–offshore delivery teams and managing technical discussions, priorities and escalations.
• Strong stakeholder communication, problem‑solving and technical documentation skills.