.NET Developer / L3 Application Support Engineer (Copy)

Distro•Denver, CO

1d•Hybrid

About The Position

Be the person the hard problems reach. EPay Services Pvt. Ltd., part of the Vensure group, runs payroll and workforce applications that thousands of businesses depend on. When something goes wrong in one of them, it escalates past frontline support until it reaches someone who can read the code, query the database, and actually explain what happened. That is this role. You will be the primary point of contact for L3 application support on our web-based platforms, owning issues through to resolution rather than routing them onward. Diagnosing and troubleshooting complex application problems escalated from clients, including performance issues, bugs, and system errors. Tracing root cause through .NET application code and down into SQL Server. Delivering the fix, or working with the development team on it, rather than handing over a description of the symptom. A real part of the job is making the same problem stop coming back: conducting root cause analysis on recurring issues and putting preventive measures in place, monitoring application performance and recommending optimizations, and writing the standard operating procedures and troubleshooting guides that let other people resolve what used to reach you. You will also participate in deploying and testing updates, patches, and enhancements, and help end users understand the applications well enough to avoid predictable problems. You will work closely with development and infrastructure teams on the genuinely complex problems, and with stakeholders on communication while an issue is live. If you enjoy uncovering the root cause of complex issues and communicating clear, honest answers when others are waiting for them, this could be an excellent fit.

Requirements

4–8 years of industry experience, with substantial time in L3 or BAU support on web-based applications.
Hands-on .NET for debugging and bug fixing: C#, ASP.NET, .NET Framework 4.0 and above, and .NET Core 8.
Front-end troubleshooting in JavaScript and jQuery.
Strong SQL Server: query writing and optimization, stored procedures, functions, triggers, and views, plus analysis and debugging tools.
Strong experience with SQL-based reporting, particularly SSRS.
Genuine root cause analysis ability — finding causes, not just closing tickets.
Excellent verbal and written communication for stakeholder and end-user interaction.
A bachelor's degree in Computer Science, Information Technology, or a related field.
Source control familiarity, such as GitHub.

Nice To Haves

Sigma or Power BI
Applications hosted on Microsoft Azure
Familiarity with ITIL frameworks and support best practice
Payroll, benefits, or HR domain knowledge
Experience measurably reducing escalation volume.

Responsibilities

Primary point of contact for L3 application support on web-based platforms, owning issues through to resolution.
Diagnosing and troubleshooting complex application problems escalated from clients, including performance issues, bugs, and system errors.
Tracing root cause through .NET application code and down into SQL Server.
Delivering fixes or working with the development team on them.
Conducting root cause analysis on recurring issues and implementing preventive measures.
Monitoring application performance and recommending optimizations.
Writing standard operating procedures and troubleshooting guides.
Participating in deploying and testing updates, patches, and enhancements.
Helping end users understand applications to avoid predictable problems.
Working closely with development and infrastructure teams on complex problems.
Communicating with stakeholders while an issue is live.