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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Application Support - **Company:** GCS Ltd - **Location:** London, UK - **Salary:** £46,772.0 - **Contract:** Temporary to permanent - **Skills:** ASP.NET, Microsoft Windows, C Sharp (Programming Language), Databases, Disaster Recovery, Windows Servers, Oracle Databases, Oracle (Applications), Release Management, Standard Sql, SQL Databases, Transact-SQL, Maintaining Code - **Published:** September 13, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5880952933 ## About the Role * Experience in application support for development teams in production environments * Strong troubleshooting skills, including analysing failures and finding root causes * Experience with C# .NET and T/SQL * Experience working with SQL Server or Oracle databases and Windows Server environments * Ability to liaise with development teams and internal/external support teams * Experience communicating with business clients and support stakeholders * Experience with incident and problem management processes * Ability to contribute to technical and design workshops and support standards * Awareness of performance, scalability, and security considerations * Willingness to provide out-of-office-hours production support * Experience supporting application releases in production and disaster recovery environments ## Description * Support development teams with production application support across communication, investigation, and issue resolution * Troubleshoot application failures and implement fixes such as code changes or SQL scripting * Check Windows Servers, databases, and other relevant application environments when issues occur * Liaise with technical support, network, infrastructure, DBA, and other support teams to resolve application issues * Communicate with primary support helpdesk teams to provide advice and suggestions * Work with team members and the wider development team to establish best practices for application support * Analyse and help define application configurations that meet business requirements * Contribute to technical and design workshops to suggest ideas for stable application operations * Help define application support standards for safe production operation * Plan and estimate work volumes for application support activities * Support the rollout of applications into production to minimise failures after release * Consider performance, scalability, and security during design and implementation phases * Follow incident and problem management processes, ensuring accurate ticket updates and clear stakeholder communication * Participate in defining and configuring application environments in disaster recovery sites * Support continuous improvement of application support methodology across the team and wider support departments Technologies: * C# * Support * Network * Oracle * SQL * Security * Windows * ASP.NET, We are offering a 6-month contract for an Application Support Specialist role on a hybrid basis, with 3 days per week in our Canary Wharf office. The rate is £416 per day, and there is very likely potential for extension. Our tech stack includes T/SQL, C# .NET, and Oracle. This role sits within our production support team, supporting applications across London and New York, with out-of-office-hours support required as part of the role. ## Related Videos - [Automated MS SQL Server database deployments with dacpacs and Azure DevOps](https://www.wearedevelopers.com/videos/334-automated-ms-sql-server-database-deployments-with-dacpacs-and-azure-devops) - [Building Multi-Tenant ASP.NET Core Applications: Best Practices and Real-World Solutions](https://www.wearedevelopers.com/videos/1552-building-multi-tenant-asp-net-core-applications-best-practices-and-real-world-solutions) - [How building an industry DBMS differs from building a research one](https://www.wearedevelopers.com/videos/768-how-building-an-industry-dbms-differs-from-building-a-research-one) - [Kubernetes and Microservices with Multi-Model Databases](https://www.wearedevelopers.com/videos/382-kubernetes-and-microservices-with-multi-model-databases) - [Hacking MSSQL on Cloud. All of them. 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