Hybrid Senior .NET Developer, Application Support L2/L3

Posted last month

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About the role

  • Senior .NET Developer managing end-to-end application support for production systems. Collaborating with teams to troubleshoot issues and design scalable applications in Azure.

Responsibilities

  • Own end-to-end design, development, and L2/L3 production support for .NET applications.
  • Work across C#, ASP.NET Core, Web API, microservices, SQL Server, and Azure.
  • Troubleshoot complex production issues, resolve defects, and deliver features with high quality and performance, collaborating with QA, DevOps, and Product.
  • Design and build scalable .NET Core applications, APIs, and microservices.
  • Provide L2/L3 support: analyze logs, triage incidents, fix defects, perform root cause analysis (RCA), and implement preventative actions.
  • Optimize performance, reliability, and security (OWASP, secure coding).
  • Own CI/CD pipelines, deployment automation, and release management.
  • Write unit/integration tests; collaborate with support team to work on the Tickets.
  • Monitor with App Insights/New Relic/ELK; create dashboards & alerts.
  • Document design, runbooks, SOPs, and support artifacts.

Requirements

  • Experience: 6–10 years
  • Strong C#, ASP.NET Core, Web API, EF Core, SQL performance tuning.
  • Production support (L2/L3) experience: RCA, incident management, SLAs.
  • Cloud experience (Azure preferred), CI/CD, containers, secure coding.
  • Excellent debugging, log analysis, and stakeholder communication.
  • Bachelor's degree in Computer Science, Information Technology, or a related field.

Benefits

  • Excellent written and verbal communication skills.
  • Strong problem-solving and analytical skills with a detail-oriented mindset.
  • Ability to gather and translate business requirements into technical solutions.
  • Strong change management and training abilities.
  • The ability to manage multiple projects and priorities effectively

Job title

Senior .NET Developer, Application Support L2/L3

Job type

Experience level

Senior

Salary

Not specified

Degree requirement

Bachelor's Degree

Location requirements

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