Job Description

Senior .NET Developer & Application Support (L2/L3)

Shift / Support Model

Night Shift - US Hours (7:00 AM CST to 5:30 PM CST)

Job Summary

We are seeking a

Senior .NET Developer with strong L2/L3 Application Support experience

to manage and enhance enterprise-grade .NET applications in a production environment. The role involves deep troubleshooting, root cause analysis, performance optimization, and close collaboration with QA, DevOps, and Product teams to ensure high availability, reliability, and quality delivery.

Key Responsibilities

Provide

L2/L3 production support

for .NET applications, including: Log analysis, incident triage, defect resolution, and

Root Cause Analysis (RCA)

SLA adherence and incident communication with stakeholders Troubleshoot and resolve

complex production issues

across application, database, and infrastructure layers Optimize

application performance, reliability, scalability, and security

Monitor

dashboards, alerts, and observability tools

to proactively identify issues Deliver high-quality enhancements and bug fixes with minimal production impact Collaborate closely with

QA, DevOps, Product, and Business teams

Create and maintain

technical documentation

, including: Design documents Runbooks SOPs Support and operational artifacts
Must-Have Skills

Strong hands-on experience with:

C#, ASP.NET Core, Web API

Entity Framework Core (EF Core)

SQL Server

, including query optimization and performance tuning Proven experience in

Production Support (L2/L3)

: Incident management RCA and preventative action planning SLA-driven environments Excellent

debugging and log analysis

skills Strong

stakeholder communication

and coordination abilities
Technology Stack

Languages & Frameworks:

C#, .NET 6/7/8, ASP.NET Core, Web API, LINQ

Database:

MS SQL Server

Cloud & DevOps:

Azure, Azure DevOps, Git, GitHub Actions

APIs & Security:

REST, JSON, OAuth 2.0, OpenID Connect

Tools & Observability:

Postman, Swagger, monitoring and logging tools

Soft Skills

Excellent

written and verbal communication

skills Strong

problem-solving and analytical mindset

Detail-oriented with the ability to manage

multiple priorities simultaneously

Comfortable working independently during

night shift support hours

Job Highlights

Night Shift (US Support Hours: 7:00 AM CST - 5:30 PM CST)

Opportunity to work on

mission-critical production systems

High-impact role combining

engineering and operational excellence

Education

Bachelor's degree

in Computer Science, Information Technology, or a related field
Job Type: Full-time

Pay: ?800,000.00 - ?1,600,000.00 per year

Education:

Bachelor's (Preferred)
Experience:

.NET: 5 years (Preferred) C#: 5 years (Preferred) L2 Support: 5 years (Preferred)
Work Location: In person