Job Search

Tier 1 Investment bank based in Canary Wharf.

Role - C# Developer - Desktop Applications

Duration - 6 months with likely extension

Rate - £416 p/d (inside IR35)

Location - Hybrid / Canary Wharf

Tech Stack

C#WPFWinformsJavascriptSQLOracle

Tasks

Tasks range from understanding business requirements, designing application structures, business data analysis, programming WPF (Windows Presentation Foundation) applications in Visual C#.NET on both Oracle and SQL Server database, testing with users, implementation through Development, Quality Assurance (QA), Production and Disaster Recovery environments. Supporting users and writing operation documents including User Helps (manuals) will also be required.As well as application development, this role will also include all aspects of system constructions and support for existing programmes which are written as WinForms (C#.NET) applications. Also, applications written in other languages like MS VBA for Excel and Access, MS VB and MS Excel Macros will also be required.

Additional Tasks

Defining Database objects required in systems to connect with SQL and Oracle Database Administrators in both London and New York.Providing script for database inquiry languages, i.e., T-SQL (SQL Server) and PL/SQL (Oracle) to perform data analysis based on requirements from business parties.Setting up a system distribution method to Citrix and application servers for both Web and Window applications.Troubleshooting systems in an event of failure and implementing necessary solutions by checking Windows Operating System, Internet Information Server and any other relevant environments where the applications are running. In some case this role will act to liaise with other application support team staff.Following the existing team programming policy to keep a common development style to be shared in team members.Updating versions of MS .Net Framework and MS Visual .NET platform to include any necessary changes of existing systems running in Production.Liaising with the relevant support teams such as other Development sections, Technical Support, Network and Infrastructure and DBA where Business users experience system problems.Assessing the impact of data processing loads on SQL and Oracle database and, when appropriate, finding alternative approaches.Rolling out changes with a coordination of Release manager. It is important to maintain the change history of applications

GCS is acting as an Employment Business in relation to this vacancy.

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Role Title: .Net Developer (IAM)

Location: Sheffield (Hybrid - 2-3 days per week onsite)

Role Category: Inside IR35

Contract Duration: Until end of November with extension

Overview

We're recruiting for an experienced .Net IAM Developer to join the Identity & Access Management team of a leading global financial services organisation.

This role offers the opportunity to work on enterprise-scale identity solutions, developing secure integrations and supporting identity lifecycle management across a complex technology estate.

Responsibilities

Develop enterprise IAM solutions using .NET Core, ASP.NET and C#.Build and support integrations with SailPoint IdentityNow.Develop custom connectors and REST API integrations.Configure integrations with Active Directory, Microsoft SQL and Web Services.Support identity lifecycle processes including Joiner, Mover and Leaver.Implement and support Role-Based Access Control (RBAC).Investigate and resolve provisioning and access-related issues.Work closely with business stakeholders, infrastructure teams and third-party suppliers.Produce technical documentation and knowledge transfer materials.Support CI/CD automation using Jenkins, GitHub and Ansible.Contribute to cloud-based IAM solutions within Azure and AWS environments.

Required Skills

5+ years' experience in enterprise software development.Strong experience with .NET Core, ASP.NET and C#.Microsoft SQL Server.REST API development and enterprise integrations.Experience integrating with Active Directory.Experience with SailPoint IdentityNow or another enterprise IAM platform.Knowledge of Identity Lifecycle Management, Access Provisioning and RBAC.Experience using Jenkins, GitHub and Ansible.Azure and/or AWS exposure.Excellent troubleshooting and communication skills.

Desirable Skills

SailPoint IdentityNow custom connector development.CyberArk, HashiCorp or Centrify.Angular.Docker and Kubernetes.QA and automated testing.JIRA and Confluence.

This is an excellent opportunity to join a high-performing engineering team delivering secure, enterprise-scale Identity & Access Management solutions using modern .NET technologies, cloud platforms and automation practices.

GCS is acting as an Employment Business in relation to this vacancy.

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We're hiring Back-End Lead / Principal .NET engineers for a greenfield AI platform (Azure, microservices). Dublin hub, ideally hybrid.

Contract Role

This long term contract role is for a seasoned .NET Core backend engineer with over six years of experience. The ideal candidate will design and build scalable, event-driven microservices using Azure services such as App Services, Cosmos DB, Service Bus, and Event Hubs while applying CQRS and NoSQL patterns.

Tech Stack: .NET Core, Azure services, microservices, and event-driven architectures, along with hands-on experience in GitHub/GitHub Actions for CI/CD.

If you want to join an innovative, market-leading team working at the forefront of AI and enterprise software, Apply Today!

GCS is acting as an Employment Business in relation to this vacancy.

GCS is acting as an Employment Business in relation to this vacancy.

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Tier 1 Investment bank based in Canary Wharf.

Role - C# Developer - Desktop Applications

Duration - 6 months with likely extension

Rate - £416 p/d (inside IR35)

Location - Hybrid / Canary Wharf

Tech Stack

C#WPFWinformsJavascriptSQLOracle

Tasks

Tasks range from understanding business requirements, designing application structures, business data analysis, programming WPF (Windows Presentation Foundation) applications in Visual C#.NET on both Oracle and SQL Server database, testing with users, implementation through Development, Quality Assurance (QA), Production and Disaster Recovery environments. Supporting users and writing operation documents including User Helps (manuals) will also be required.As well as application development, this role will also include all aspects of system constructions and support for existing programmes which are written as WinForms (C#.NET) applications. Also, applications written in other languages like MS VBA for Excel and Access, MS VB and MS Excel Macros will also be required.

Additional Tasks

Defining Database objects required in systems to connect with SQL and Oracle Database Administrators in both London and New York.Providing script for database inquiry languages, i.e., T-SQL (SQL Server) and PL/SQL (Oracle) to perform data analysis based on requirements from business parties.Setting up a system distribution method to Citrix and application servers for both Web and Window applications.Troubleshooting systems in an event of failure and implementing necessary solutions by checking Windows Operating System, Internet Information Server and any other relevant environments where the applications are running. In some case this role will act to liaise with other application support team staff.Following the existing team programming policy to keep a common development style to be shared in team members.Updating versions of MS .Net Framework and MS Visual .NET platform to include any necessary changes of existing systems running in Production.Liaising with the relevant support teams such as other Development sections, Technical Support, Network and Infrastructure and DBA where Business users experience system problems.Assessing the impact of data processing loads on SQL and Oracle database and, when appropriate, finding alternative approaches.Rolling out changes with a coordination of Release manager. It is important to maintain the change history of applications

GCS is acting as an Employment Business in relation to this vacancy.

Read less

Global bank based in Canary Wharf.

Role - C# Developer - Desktop Applications

Duration - 6 months with likely extension

Rate - £416 p/d (inside IR35)

Location - Hybrid / Canary Wharf

Tech Stack

C#WPFWinformsJavascriptSQLOracle

Tasks

Tasks range from understanding business requirements, designing application structures, business data analysis, programming WPF (Windows Presentation Foundation) applications in Visual C#.NET on both Oracle and SQL Server database, testing with users, implementation through Development, Quality Assurance (QA), Production and Disaster Recovery environments. Supporting users and writing operation documents including User Helps (manuals) will also be required.As well as application development, this role will also include all aspects of system constructions and support for existing programmes which are written as WinForms (C#.NET) applications. Also, applications written in other languages like MS VBA for Excel and Access, MS VB and MS Excel Macros will also be required.

Additional Tasks

Defining Database objects required in systems to connect with SQL and Oracle Database Administrators in both London and New York.Providing script for database inquiry languages, i.e., T-SQL (SQL Server) and PL/SQL (Oracle) to perform data analysis based on requirements from business parties.Setting up a system distribution method to Citrix and application servers for both Web and Window applications.Troubleshooting systems in an event of failure and implementing necessary solutions by checking Windows Operating System, Internet Information Server and any other relevant environments where the applications are running. In some case this role will act to liaise with other application support team staff.Following the existing team programming policy to keep a common development style to be shared in team members.Updating versions of MS .Net Framework and MS Visual .NET platform to include any necessary changes of existing systems running in Production.Liaising with the relevant support teams such as other Development sections, Technical Support, Network and Infrastructure and DBA where Business users experience system problems.Assessing the impact of data processing loads on SQL and Oracle database and, when appropriate, finding alternative approaches.Rolling out changes with a coordination of Release manager. It is important to maintain the change history of applications

GCS is acting as an Employment Business in relation to this vacancy.

Read less

Tier 1 bank based in Canary Wharf.

Role - C# Developer - Desktop Applications

Duration - 6 months with likely extension

Rate - £416 p/d (inside IR35)

Location - Hybrid / Canary Wharf

Tech Stack

C#WPFWinformsJavascriptSQLOracle

Tasks

Tasks range from understanding business requirements, designing application structures, business data analysis, programming WPF (Windows Presentation Foundation) applications in Visual C#.NET on both Oracle and SQL Server database, testing with users, implementation through Development, Quality Assurance (QA), Production and Disaster Recovery environments. Supporting users and writing operation documents including User Helps (manuals) will also be required.As well as application development, this role will also include all aspects of system constructions and support for existing programmes which are written as WinForms (C#.NET) applications. Also, applications written in other languages like MS VBA for Excel and Access, MS VB and MS Excel Macros will also be required.

Additional Tasks

Defining Database objects required in systems to connect with SQL and Oracle Database Administrators in both London and New York.Providing script for database inquiry languages, i.e., T-SQL (SQL Server) and PL/SQL (Oracle) to perform data analysis based on requirements from business parties.Setting up a system distribution method to Citrix and application servers for both Web and Window applications.Troubleshooting systems in an event of failure and implementing necessary solutions by checking Windows Operating System, Internet Information Server and any other relevant environments where the applications are running. In some case this role will act to liaise with other application support team staff.Following the existing team programming policy to keep a common development style to be shared in team members.Updating versions of MS .Net Framework and MS Visual .NET platform to include any necessary changes of existing systems running in Production.Liaising with the relevant support teams such as other Development sections, Technical Support, Network and Infrastructure and DBA where Business users experience system problems.Assessing the impact of data processing loads on SQL and Oracle database and, when appropriate, finding alternative approaches.Rolling out changes with a coordination of Release manager. It is important to maintain the change history of applications

GCS is acting as an Employment Business in relation to this vacancy.

Read less

Global bank based in Canary Wharf.

Role - C# Developer - Desktop Applications

Duration - 6 months with likely extension

Rate - £416 p/d (inside IR35)

Location - Hybrid / Canary Wharf

Tech Stack

C#WPFWinformsJavascriptSQLOracle

Tasks

Tasks range from understanding business requirements, designing application structures, business data analysis, programming WPF (Windows Presentation Foundation) applications in Visual C#.NET on both Oracle and SQL Server database, testing with users, implementation through Development, Quality Assurance (QA), Production and Disaster Recovery environments. Supporting users and writing operation documents including User Helps (manuals) will also be required.As well as application development, this role will also include all aspects of system constructions and support for existing programmes which are written as WinForms (C#.NET) applications. Also, applications written in other languages like MS VBA for Excel and Access, MS VB and MS Excel Macros will also be required.

Additional Tasks

Defining Database objects required in systems to connect with SQL and Oracle Database Administrators in both London and New York.Providing script for database inquiry languages, i.e., T-SQL (SQL Server) and PL/SQL (Oracle) to perform data analysis based on requirements from business parties.Setting up a system distribution method to Citrix and application servers for both Web and Window applications.Troubleshooting systems in an event of failure and implementing necessary solutions by checking Windows Operating System, Internet Information Server and any other relevant environments where the applications are running. In some case this role will act to liaise with other application support team staff.Following the existing team programming policy to keep a common development style to be shared in team members.Updating versions of MS .Net Framework and MS Visual .NET platform to include any necessary changes of existing systems running in Production.Liaising with the relevant support teams such as other Development sections, Technical Support, Network and Infrastructure and DBA where Business users experience system problems.Assessing the impact of data processing loads on SQL and Oracle database and, when appropriate, finding alternative approaches.Rolling out changes with a coordination of Release manager. It is important to maintain the change history of applications

GCS is acting as an Employment Business in relation to this vacancy.

Read less

Role Title: .Net IAM Developer

Location: Sheffield (Hybrid - 2-3 days per week onsite)

Role Category: Inside IR35

Contract Duration: Until 30th November with extension

Overview

We're recruiting for an experienced .Net IAM Developer to join the Identity & Access Management team of a leading global financial services organisation.

This role offers the opportunity to work on enterprise-scale identity solutions, developing secure integrations and supporting identity lifecycle management across a complex technology estate.

Responsibilities

Develop enterprise IAM solutions using .NET Core, ASP.NET and C#.Build and support integrations with SailPoint IdentityNow.Develop custom connectors and REST API integrations.Configure integrations with Active Directory, Microsoft SQL and Web Services.Support identity lifecycle processes including Joiner, Mover and Leaver.Implement and support Role-Based Access Control (RBAC).Investigate and resolve provisioning and access-related issues.Work closely with business stakeholders, infrastructure teams and third-party suppliers.Produce technical documentation and knowledge transfer materials.Support CI/CD automation using Jenkins, GitHub and Ansible.Contribute to cloud-based IAM solutions within Azure and AWS environments.

Required Skills

5+ years' experience in enterprise software development.Strong experience with .NET Core, ASP.NET and C#.Microsoft SQL Server.REST API development and enterprise integrations.Experience integrating with Active Directory.Experience with SailPoint IdentityNow or another enterprise IAM platform.Knowledge of Identity Lifecycle Management, Access Provisioning and RBAC.Experience using Jenkins, GitHub and Ansible.Azure and/or AWS exposure.Excellent troubleshooting and communication skills.

Desirable Skills

SailPoint IdentityNow custom connector development.CyberArk, HashiCorp or Centrify.Angular.Docker and Kubernetes.QA and automated testing.JIRA and Confluence.

This is an excellent opportunity to join a high-performing engineering team delivering secure, enterprise-scale Identity & Access Management solutions using modern .NET technologies, cloud platforms and automation practices.

GCS is acting as an Employment Business in relation to this vacancy.

Read less

C# Developer Role - Hybrid / Liverpool street - 6 month Contract - Banking

Role - C# Developer (T/SQL, PL/SQL)

Duration - 6 months with very likely extension

Location - Hybrid / Liverpool Street (London) - 3 days per week in a Liverpool Street office

Rate - £690 per day (Inside IR35)

Tech Stack

C#SQLOracle

Tasks

Tasks include understanding business requirements, designing applications, business data analysis, programming in Visual C#.NET using both Oracle and SQL Server database, Unit testing, Quality Assurance (QA), Implementation, Production and Disaster Recovery environments supporting users and preparing documents.Along with the application development, this role will also include supporting the existing C# and .NET applications. General IT Support to maintain environmentDefining database objects required in the systems. Interactions with the SQL and Oracle Database Administrators in both London and New York.Providing script for database enquiry languages, i.e., T-SQL (SQL Server) and PL/SQL (Oracle) so that data analysis can be performed based on requirements from relevant business parties.Support setting up a system distribution method for Citrix and application servers for both Web and Window applications.Troubleshooting systems in the event of failure and implementing solutions (Code fix, SQL scripting etc), including checking Windows Servers, Databases (SQL Server or Oracle) and any other relevant environments where the system is running. In some cases, this will involve liaising with other application support team staff across London and New York offices.Following the development teams' programming policy and procedures to maintain common programming practice.Updating versions of MS .Net Framework and MS Visual .NET platform to include any necessary changes of the existing systems running in Production environment.`Liaising with the relevant support teams such as other Development team sections, Technical Support, Network and Infrastructure and DBAs whenever Business users experience system problems.Assessing the impact of data processing loads on SQL and Oracle databases and when appropriate, finding alternative solutions.Actively assisting rolling out changes through coordination with the Release team. It is also very important to maintain the change history of the applications.Communicating with primary support Helpdesk staff in London and New York to provide the necessary system supports.

GCS is acting as an Employment Business in relation to this vacancy.

Read less

C# Developer Role - Hybrid / Liverpool street - 6 month Contract - Banking

Role - C# Developer (T/SQL, PL/SQL)

Duration - 6 months with very likely extension

Location - Hybrid / Liverpool Street (London) - 3 days per week in a Liverpool Street office

Rate - £690 per day (Inside IR35)

Tech Stack

C#SQLOracle

Tasks

Tasks include understanding business requirements, designing applications, business data analysis, programming in Visual C#.NET using both Oracle and SQL Server database, Unit testing, Quality Assurance (QA), Implementation, Production and Disaster Recovery environments supporting users and preparing documents.Along with the application development, this role will also include supporting the existing C# and .NET applications. General IT Support to maintain environmentDefining database objects required in the systems. Interactions with the SQL and Oracle Database Administrators in both London and New York.Providing script for database enquiry languages, i.e., T-SQL (SQL Server) and PL/SQL (Oracle) so that data analysis can be performed based on requirements from relevant business parties.Support setting up a system distribution method for Citrix and application servers for both Web and Window applications.Troubleshooting systems in the event of failure and implementing solutions (Code fix, SQL scripting etc), including checking Windows Servers, Databases (SQL Server or Oracle) and any other relevant environments where the system is running. In some cases, this will involve liaising with other application support team staff across London and New York offices.Following the development teams' programming policy and procedures to maintain common programming practice.Updating versions of MS .Net Framework and MS Visual .NET platform to include any necessary changes of the existing systems running in Production environment.`Liaising with the relevant support teams such as other Development team sections, Technical Support, Network and Infrastructure and DBAs whenever Business users experience system problems.Assessing the impact of data processing loads on SQL and Oracle databases and when appropriate, finding alternative solutions.Actively assisting rolling out changes through coordination with the Release team. It is also very important to maintain the change history of the applications.Communicating with primary support Helpdesk staff in London and New York to provide the necessary system supports.

GCS is acting as an Employment Business in relation to this vacancy.

Read less