We are looking for a
Senior Application Support Engineer
with strong experience providing
L3 and BAU support for production web applications
.

This is an application support-focused position rather than a traditional software development role. The ideal candidate is highly skilled in troubleshooting complex production issues, working with
SQL Server
, analyzing application behavior, performing root cause analysis, and debugging
.NET/C# applications
when required.

You will collaborate with US-based development, infrastructure, and business teams, so
advanced English and availability to overlap with US working hours are required
.

What You'll Do

• 
  Provide
  L3 and BAU production support
  for web-based applications.
• 
  Own complex incidents and application issues through resolution.
• 
  Troubleshoot application errors, bugs, performance issues, and production incidents.
• 
  Perform
  root cause analysis (RCA)
  and implement preventive solutions for recurring issues.
• 
  Work extensively with
  Microsoft SQL Server
  to investigate and resolve application and data-related problems.
• 
  Analyze and troubleshoot stored procedures, functions, triggers, views, and queries.
• 
  Debug existing applications built with
  C#, ASP.NET, .NET Framework and .NET Core
  .
• 
  Implement or collaborate on bug fixes when necessary.
• 
  Support and troubleshoot
  SSRS reports
  and SQL-based reporting processes.
• 
  Monitor application performance and identify optimization opportunities.
• 
  Collaborate with development and infrastructure teams on complex technical incidents.
• 
  Participate in application updates, patches, testing, and deployments.
• 
  Document troubleshooting procedures, solutions, SOPs, and application support processes.
• 
  Communicate incident status and resolutions effectively to technical and business stakeholders.

Requisitos

• 
  4–8 years of professional IT experience.
• 
  Strong hands-on experience in
  L3 Application Support / Production Support / BAU Support
  .
• 
  Proven experience supporting
  web-based applications in production environments
  .
• 
  Advanced knowledge of
  Microsoft SQL Server and SQL querying
  .
• 
  Hands-on experience troubleshooting and optimizing:
  • 
    Stored Procedures
  • 
    Functions
  • 
    Triggers
  • 
    Views
  • 
    Complex SQL queries
• 
  Strong experience with
  SSRS (SQL Server Reporting Services)
  .
• 
  Experience troubleshooting/debugging applications using:
  • 
    C#
  • 
    ASP.NET
  • 
    .NET Framework 4.0+
  • 
    .NET / .NET Core
  • 
    JavaScript
  • 
    jQuery
• 
  Ability to analyze existing application code and perform or support
  debugging and bug fixes
  .
• 
  Experience with source control tools such as
  Git/GitHub
  .
• 
  Strong troubleshooting, analytical, and root cause analysis skills.
• 
  Bachelor's degree in Computer Science, Information Technology, Software Engineering, or a related field.
• 
  Advanced English (B2+/C1)
  – ability to communicate effectively with US-based technical and business teams.
• 
  Availability to
  overlap with US working hours
  .

Nice to Have

• 
  Experience with
  Power BI
  .
• 
  Experience with
  Sigma Computing
  .
• 
  Experience supporting applications hosted in
  Microsoft Azure
  .
• 
  Knowledge of
  ITIL frameworks and application support best practices
  .
• 
  Experience with application monitoring and performance optimization.