Application Support Engineer

Falcon Smart IT Limited; Greater London; Hybrid; GBP 60,000 - 90,000; Full time

Job summary

Falcon Smart IT Limited in London is seeking a Senior Application Support Engineer to maintain enterprise apps built on ASP.NET MVC and .NET 10 with SQL Server. You will provide Level 2/3 support, incident resolution, and minor enhancements, working with development and infrastructure teams.

The role requires strong debugging, logging, and ITSM tooling experience (ServiceNow), plus knowledge of MVC architecture and authentication. Hybrid London-based role with occasional on-call.

Qualifications

• 5+ years of experience supporting enterprise web apps in production.
• Strong debugging, incident triage and root-cause analysis skills.
• Experience with ASP.NET MVC, .NET 10, SQL Server and front-end tech.

Responsibilities

• Provide Level 2 and Level 3 application support and incident resolution.
• Troubleshoot issues across presentation, business and data-access layers.
• Develop minor enhancements, bug fixes, and configuration changes.
• Collaborate with dev, DB, infra, and business teams.
• Participate in on-call or shift-based support as needed.

Skills

ASP.NET MVC

jQuery

SQL Server

NET 10

C#

HTML

CSS

JavaScript

MVC arch

Authentication

Education

Bachelor's degree in Computer Science/Information Technology or related

Tools

ServiceNow

Azure DevOps

TFS

IIS

Splunk

AppDynamics

Dynatrace

Job description

Job Title: Application Support Engineer Legacy .NET FrameworkJob Location: London, UK (Hybrid)Job Type: FTEJob Description :Position OverviewWe are looking for a Senior Application Support Engineer to support and maintain enterprise applications built using ASP.NET MVC, .NET 10 and SQL Server. The role will involve production support, incident resolution, defect analysis, minor enhancements, and coordination with development and infrastructure teams.The successful candidate should have strong experience supporting legacy web applications and be comfortable working with frontend technologies such as jQuery.Key ResponsibilitiesProvide Level 2 and Level 3 application support.Analyse and resolve production incidents, service requests, and application defects.Troubleshoot issues across the presentation, business, data-access layers and database.Support applications developed using: ASP.NET MVC Framework, .NET 10, jQuery and SQL Server.Investigate application logs, stack traces, database issues, and integration failures.Perform root-cause analysis and prepare permanent fixes or workarounds.Develop minor enhancements, bug fixes, and configuration changes.Support REST-based integrations and troubleshoot API-related issues.Collaborate with development, database, infrastructure, and business teams.Participate in incident, problem, and change-management related meetings and processes.Prepare technical documentation, knowledge articles and support procedures.Participate in on-call or shift-based support, if required.Mandatory SkillsStrong experience with ASP.NET MVC Framework.Strong experience of development using jQuery and SQL ServerGood experience with .NET 10Strong knowledge of C#, HTML, CSS, JavaScriptExpert in ServiceNow usage or other ITSM toolsExperience troubleshooting web applications in production.Understanding of MVC architecture, session management, authentication, and authorization.Expertise in SQL and relational databases.Experience with debugging tools, application logs, and performance analysis.Good incident-management and communication skills.Secondary SkillsFamiliarity with Knockout.js.Good understanding of Insurance domain.REST and SOAP web services.IIS administration and deployment troubleshooting.Entity Framework or equivalent ORM technology.Windows services and scheduled jobs.Azure DevOps, TFS, or similar source-control and deployment tools.Familiarity with monitoring tools such as Splunk, AppDynamics, Dynatrace, or equivalent.Knowledge on Razor Pages or Razor-based views.Familiarity with Angular.Experience and Qualifications5 to 8 years of experience in ASP.NET MVC Framework application development or application support.Experience supporting enterprise applications in production.Experience working in ITIL-based support environments.Bachelors degree in Computer Science, Information Technology, or a related discipline is preferred.