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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Application Support Engineer - **Company:** Tata Consultancy Services Ltd - **Location:** London, UK - **Contract:** Permanent contract - **Skills:** .NET Framework, Application Programming Interfaces (APIs), Agile Methodology, Data Analysis, Applications Architecture, User Authentication, Microsoft Azure, Software Bug Management, C Sharp (Programming Language), Databases, Database Queries, DevOps, Nagios, SQL Databases, Management of Software Versions, Scripting, .NET Core, Delivery Pipeline, Software Security, Yahoo Mail, Web Api - **Published:** May 16, 2026 - **Apply:** https://find.jobs/jobs-near-me/application-support-engineer-city-of-london-london/2770062857-2/ ## About the Role Good understanding of application architecture, including APIs, services, and background jobs. Hands-on experience analysing logs, exceptions, and error traces in .NET applications. Proficiency in SQL for data investigation, validation, and corrective actions. Experience with incident, problem, and change management processes (ITIL aligned). Ability to troubleshoot issues across application, database, and infrastructure layers. Familiarity with deployment and release support for .NET-based systems. Experience working with monitoring and alerting tools for application support. Strong analytical, troubleshooting, and communication skills. Experience working in Agile or DevOps-oriented environments. Desirable skills/knowledge/experience: (As applicable) Exposure to / .NET Core / Web APIs. Experience with Azure-hosted .NET applications or cloud platforms. Knowledge of CI/CD pipelines supporting C# applications. Familiarity with scripting or automation for support activities. Understanding of application security, authentication, and authorization concepts. Experience supporting customer-facing or high-availability applications. ## Description The Application Support Engineer will provide operational and technical support for business-critical applications built on C# and .NET technologies. The role focuses on maintaining application stability, resolving production issues, supporting releases, and collaborating with development teams to ensure reliable, secure, and performant systems in live environment Your responsibilities: Provide day-to-day support for C#/.NET-based applications across production and non-production environments. Investigate and resolve application incidents, including code-related and configuration issues. Analyse application logs, exceptions, and stack traces to identify root causes. Perform minor code fixes, configuration updates, and application patches under controlled processes. Work closely with development teams to support bug fixes, enhancements, and releases. Monitor application health, performance, and availability using monitoring and alerting tools. Execute database queries and data corrections to support application functionality. Support deployments, version upgrades, and environment changes for .NET applications. Maintain support documentation, known-error records, and operational runbooks. Participate in on-call or shift-based support and contribute to service improvement initiatives., 3. Managerial discussion: This discussion will focus on behavioural aspects and person-organisation fit. 4. HR Discussion: This will be with one of the members of the HR team and will cover your career journey, aspirations for growth, compensation and any other questions you may have. Beware of Fraudulent offers This is to notify you that TCS does not ask for any sort of payment or security deposit from candidates at any stage of the recruitment process. The firm never sends out job offers from free internet email services like Gmail, Yahoo Mail, and so on. TCS has not authorised any third-party company to collect money on their behalf. As a vigilant job seeker, beware of fraudulent recruitment activity and protect your interests! You can write to UKI.recruitment@ to report any fraudulent activity. ## Related Videos - [Develop enterprise-ready applications for Microsoft Teams with Azure resources on modern web technologies](https://www.wearedevelopers.com/videos/187-develop-enterprise-ready-applications-for-microsoft-teams-with-azure-resources-on-modern-web-technologies) - [From DevOps to Scaled DevOps: How We’re Rebuilding Continuous Delivery as a Platform](https://www.wearedevelopers.com/videos/100018-from-devops-to-scaled-devops-how-we-re-rebuilding-continuous-delivery-as-a-platform) - [Web APIs you might not know about](https://www.wearedevelopers.com/videos/281-web-apis-you-might-not-know-about) - [DevOps Maturity Check – a way to balance autonomy and alignment](https://www.wearedevelopers.com/videos/58-devops-maturity-check-a-way-to-balance-autonomy-and-alignment) - [Project Fugu: Extending the web](https://www.wearedevelopers.com/videos/832-project-fugu-extending-the-web) - [Azure-Well Architected Framework - designing mission critical workloads in practice](https://www.wearedevelopers.com/videos/1529-azure-well-architected-framework-designing-mission-critical-workloads-in-practice) ## Related Articles - [What Are The Top Skills Required For Azure Developers?](https://www.wearedevelopers.com/magazine/77-what-are-the-top-skills-required-for-azure-developers) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries)