GCS

Role - RPA / Automation Developer Duration - 6 months with very likely extension Location - Remote / Canary Wharf (London)- 3 days per week in a Canary Wharf office / 2 days working remotely Rate - 415 per day (Inside IR35) Tech Stack RPA UiPath C# SQL Tasks Working closely with RPA Business Analyst to execute RPA initiatives by evaluating and designing process workflows including building, testing and implementing RPA solutions Creating and maintaining throughout the project lifecycle, the Solution Design Document (SDD) including detailed RPA solution process flows, processes and technical specifications Signing off the SDD for final deployment Assisting the Subject Matter Expert (SME) and the Programme Manager in the construction of Business Cases and utilising opportunities for identification efforts to support the further adoption of RPA solutions throughout the organisation Working with the SME and Programme Manager to ensure that all project documents are maintained and that knowledge is transferred to clients throughout the engagement Leading the investigations and detailed analysis of RPA Incidents and process exceptions including a strategic approach to root cause analysis To develop and deploy peripheral functions by using C#.NET to compensate functions such as end-to-end data reconciliation, extra reports with various formats (via PDF, Excel, SSRS etc.) and any other tools which cannot be achieved by robots. To develop the required SQL scripts on both SQL Server and Oracle which will be utilised in the above extra functions or any other data analysis. Communication with other C# developers to keep data processing by robots acceptable in wider viewpoints across systems. As part of such exercises and in order to be able to obtain technical and business knowledge, occasionally, this role holder will be required to work on some C# development tasks within a C# developer group. Providing periodic status on the progress of development Dealing with any issues in development, User Acceptance Testing (UAT) and bug fixing Production Support (monitoring and troubleshooting) Conducting RPA testing and UAT support Follow the company coding standards Support RPA environment operations maintenance Support existing RPA processes, work with other Developers to fix any issue that need a code change To be able to develop and maintain complex solutions To be able to proactively provide the task progress GCS is acting as an Employment Business in relation to this vacancy.

IBM Integration Bus (IIB) Developer - Tier 1 Bank - 6 month contract - Hybrid IIB / IBM / ACE / MQ / MIDDLEWARE / BANKING Role - IBM Integration Bus (IIB) Developer Duration - 6 months Location - Remote / Canary Wharf, London - 3 days per week in the office in Canary Wharf, London. Rate - 415 per day (Inside IR35) Key Experience - The IBM Integration Bus (IIB) developer will be responsible for development of new (as well as maintenance of existing) message flows, DFDL message models and other interface processes, which form part of the Bank's application internal and external interfaces. Production support of existing interface processes, including troubleshooting and investigation of any issues relating to these processes. Obtaining a high-level of understanding of relevant Middleware applications. Obtaining a high-level of understanding of all projects being undertaken. Responsible for designing and developing message flows and message models as part of the Bank's Interface Team. Responsible for troubleshooting issues and assisting with code reviews to ensure optimal solutions are being delivered. Responsible for new development, ongoing maintenance, and Production support of all the Bank's application, both internal and external interfaces. Responsible for developing and maintaining interfaces between the Bank's applications, which are pivotal to the Bank's operations in both Europe and North America. The ideal candidate will have some experience in IBM ACE/IIB. Work with various application team members and developers from other teams to perform their development work and they will be responsible for maintenance and support of the existing interface processes including investigation of issues and production support for the Bank's operations. Skills - Solid experience with IBM Integration Bus v9 or higher(Preferably ACE 12), IBM MQ v8.0 or higher, MQFTE v7.0 or higher Experience working with API Connect/Azure API Management & Apache Kafka Experience in developing Message Sets and Message Definitions using XML, MRM and TDS formats. Experience in developing message flows using Compute Nodes, SOAP Nodes, HTTP Nodes, Routing Nodes, Mapping Nodes, Java Compute Nodes, File Nodes (Input, Output, Read & Write) and Database Nodes. Experience in Programming Languages: Korn Shell scripts, PERL, Java, Ant, SQL, ESQL. Experience in working with Operating systems such as UNIX (AIX), Linux, Windows. Experience in working with Databases such as Oracle 10G, 11i, PL/SQL, Stored Procedures. GCS is acting as an Employment Business in relation to this vacancy.

We're hiring an organised, proactive coordinator to support our IT, finance, and general admin functions. Perfect for someone wanting school-hours flexibility (up to 24 hrs/week), with some openness around the scheduled but not random hours every day. . What you'll do: - Raise & chase POs and manage P2P tasks - Support IT admin , including Service Now follow-ups & CAB actions - Deliver day-to-day admin (non-PA) - Help organise internal events & logistics - Keep documentation and records up to date What you'll bring: - Strong Microsoft Office skills - Confident stakeholder engagement - Knowledge of P2P & PO processes - Great organisation, communication & independence The Details: - Starts January: 3 days/week, - Up to 24 hrs/week - Travel to Trowbridge twice a month (no expenses) - Occasional travel as needed If this sounds like you, we'd love to hear from you! GCS is acting as an Employment Business in relation to this vacancy.

The Policy Support Lead will be responsible for developing, implementing, and maintaining security policies, standards, and procedures to ensure the protection of our information assets. This role requires a good understanding of security frameworks and regulatory requirements. In addition, this role requires you to have experience of Information Security. The role will report directly to the Head of Governance, Risk and Compliance, with whom you will work to deliver the goals of the company to have a fit-for-purpose security standards framework. This is a role that requires the individual to be able to work independently, finds fulfilment in a challenging and fast-paced environment and take accountability to meet and drive the needs of the programme. What you'll do as a Policy Support Lead Security Standards Management: Develop and maintain comprehensive security policies, standards and procedures across the organisation. Align all standards with applicable regulatory requirements and frameworks (e.g., ISO 27001, GDPR, NIS-R). Review and update standards regularly in response to emerging threats and regulatory changes. Governance & Compliance: Oversee the exception management framework, including reporting, approvals and reviews prior to expiry. Monitor compliance with security policies and standards across digital and business teams. Act as the primary point of contact for internal and external audits related to security standards. Service Delivery & Operations: Coordinate the annual standards review cycle, ensuring timely updates and stakeholder engagement. Support the publication and socialisation of new or revised standards to ensure organisation wide awareness. Collaborate with cross functional teams to embed security best practices into digital processes. Stakeholder & Communications Management: Build and maintain relationships with key stakeholders including the CISO, CIO, architecture teams, programme delivery and business owners. Provide clear, engaging, and relevant communication and training around security standards. Deliver security messaging both in person and virtually, ensuring consistency and clarity. Continuous Improvement: Track policy effectiveness and recommend enhancements to improve standard adoption and compliance. Stay informed of the latest security regulations, technologies and industry best practices to ensure standards remain current and effective. What you should bring to the role: Essential Experience: Experience in information security or a related governance role. Experience applying security frameworks and regulatory requirements (CIS, GDPR, NIS-R). Experience collaborating across multiple business areas and functional teams. Proven ability to work independently, with strong stakeholder management capabilities. Essential Technical Skills & Qualifications: Strong written and verbal communication skills with the ability to deliver complex messages clearly. Skilled in exception management, reporting and compliance monitoring. Desirable Experience: Additional skills and experiences would be great to have/bring: Experience in maintaining security standards and exception frameworks. Exposure to information risk management processes and controls. Desirable Technical Skills & Qualifications: Relevant certifications such as CISSP, CISM or CISA. Desirable Competencies: Strong relationship building and collaboration skills. Excellent organisational and time management skills. Ability to influence stakeholders and drive compliance in a matrixed environment. NO SPONSORSHIP AVAILABLE GCS is acting as an Employment Agency in relation to this vacancy.

As a Control Testing Lead, you will play a key role within the Information Security team, supporting the Control Test and Assurance Manager in the delivery of a robust and forward-looking Cybersecurity Control Testing & Assurance Programme. This role requires strong cybersecurity expertise combined with hands-on experience in control testing, particularly in evaluating the effectiveness of security controls and ensuring alignment with internal policies, standards, and industry frameworks. This role will report directly to the Control Testing & Assurance Manager, with whom you will work to deliver the goals of the company to have a stable and fit-for-purpose control testing environment that supports the organisation's security and compliance objectives. What you'll be doing as a Control Testing Lead - Cyber Security Support the implementation and continuous improvement of the Cybersecurity Control Testing Framework. Execute control testing in line with defined procedures, templates, and standards. Assist in the development and localisation of standard test scripts, ensuring they are tailored to specific control environments and aligned with the organisation's Enterprise Risk Management Framework. Conduct control testing activities to evaluate the design and operational effectiveness of cybersecurity controls, documenting results clearly and raising issues where appropriate. Ensure timely delivery of assigned control assessments in accordance with the agreed testing schedule and escalation protocols. Maintain accurate and consistent documentation for each control assessment, including test plans, test results, and final reports. Escalate issues, delays, or risks to the Control Testing & Assurance Manager, contributing to the resolution of challenges and continuous improvement of the testing process. Collaborate with control owners and stakeholders to gather evidence, clarify control objectives, and support the smooth execution of testing activities. Stay informed on relevant cybersecurity frameworks (e.g., NIST CSF, CIS Controls) and industry best practices to support the evolution of the control testing programme. To thrive in this role, the essential criteria you'll need are Proven experience in performing cybersecurity control assessments, including evaluating design and operational effectiveness. Strong understanding of information security principles, cyber risk management, and control frameworks. Experience in IT, OT and Cloud environments, with a focus on cybersecurity controls. Clear and professional verbal and written communication, including the ability to explain cybersecurity issues to non-technical audiences. Ability to work independently with minimal supervision, taking ownership of assigned tasks and driving them to completion while maintaining high standards of quality and accuracy. Strong understanding of Cybersecurity Domains, including Threat Intelligence, Vulnerability Management, Security Testing, Security Architecture, Infrastructure Protection, Application Security, Identity and Access Management, Incident Investigation & Response and Cryptography. Additional skills and experiences would be great to have/bring: Experience working in a regulated environment. Experience within the water utility industry or large, complex critical national infrastructure. Experience in internal audit, external audit, or assurance functions related to IT or cybersecurity. Professional certifications such as CISA, CISSP, CRISC, or ISO 27001 Lead Auditor are advantageous. GCS is acting as an Employment Agency in relation to this vacancy.

Power Platform / Power Apps Developer- 6 month contract - London, Canary Wharf / Hybrid - 415 per day (inside IR35) Role - Power Platform Developer - with Lotus Notes Duration - 6 months with very likely extension Rate - 415 p/d (inside IR35) Location - Canary Wharf / Hybrid Role - Design, develop, test, and deploy Power Apps applications Integrate Power Apps applications with Microsoft services such as Power Automate, Power BI, SharePoint, Teams, etc. Utilize Common Data Service (CDS) or other data sources to efficiently manage and store application data. Build and maintain plugins & PCF for PowerApps Implement best practices, standards, and guidelines for Power Apps development to ensure optimal performance and scalability. Assist in supporting the remaining applications in Lotus Notes (HCL notes) Diagnose and resolve issues and bugs in applications, providing ongoing technical support and maintenance. Assist in creating comprehensive documentation and training materials for end-users and stakeholders. Collaborate cross-functionally with other teams on Power Platform projects, fostering a culture of innovation and continuous improvement This role also requires following the Development Teams "Change Management Control procedures" to get proper and appropriate approvals prior to production updates. Excellent verbal and written communication skills when dealing with technical and non-technical people. Ability to critically analyse designs and code, and provide constructive feedback Good time-keeping GCS is acting as an Employment Business in relation to this vacancy.

Tier 1 bank - Canary Wharf - Hybrid - 960 per day (Inside) - C# / Datastage ETL / Databricks / SQL Role - Full Stack Developer Duration - 6 months with very likely extension Location - Hybrid / Canary Wharf - 2 days per week in a Canary Wharf office / 3 days WFH Rate - 600 - 960 per day (inside IR35) Tech Stack - MUST HAVE C# Datastage ETL Databricks SQL Finance / Banking experience Skills required C# .Net Framework and Object Orientated programming concepts. Oracle and SQL server (PL/SQL & TSQL). .NET Core C# and .NET (Windows & Web) development. Web API development DataStage ETL Databricks Key Responsibilities Develop and maintain applications using C#, .NET Framework, and .NET Core for both Windows and Web platforms. Design and implement Web APIs for secure and efficient data exchange. Work extensively with Oracle and Microsoft SQL Server databases, including PL/SQL and T-SQL. Build and optimise integration solutions for finance and regulatory reporting systems. Collaborate with technical and non-technical stakeholders, providing clear communication and technical guidance. Conduct code reviews, analyse designs, and provide constructive feedback. Implement CI/CD pipelines and automation tools to streamline deployments. Ensure compliance with banking security and regulatory standards. GCS is acting as an Employment Business in relation to this vacancy.

Role-Freelance Frontend Developer Days- 5 days a month Type- Remote The Role This position involves providing technical support across multiple areas of our Web platform, including UI maintenance, content management, and basic infrastructure tasks. The role consists of: Paid onboarding: Initial hours to familiarise yourself with our technology stack, documentation, codebase, and processes Ad-hoc hourly work: Support, bug fixing, feature development, triaging, and emergency assistance as needed The successful candidate will be especially useful to the editorial team in advising on XML-related issues and tasks. Who This Role Suits Developers with some practical experience seeking flexible, occasional work Those looking for supplementary income in a low-stress environment People interested in digital humanities/academic technology Developers who enjoy working across varied technical areas Those comfortable with both maintaining legacy systems and contributing to new development Freelancers who can respond to requests within a reasonable timeframe Responsibilities Assist with maintenance of our current Web UI (Ember-based) and contribute to the new NextJS React frontend as directed Support the editorial team with content management and XML triage tasks Help with basic backend API tasks under supervision Provide assistance with infrastructure and DevOps tasks as needed Technical Requirements Required: Basic understanding of XML processing and structure Proficiency in HTML5/CSS3 and JavaScript Ability to read and debug code Comfortable working with version control (Git) Strong self-learning ability through documentation Preferred (experience with or willingness to learn): React and/or Ember.js TypeScript Python XSLT Cloud infrastructure (AWS) basics API development basics GCS is acting as an Employment Business in relation to this vacancy.

Global bank based in Canary Wharf. Role - C# Developer - Desktop Applications Duration - 6 months with likely extension Rate - 415 p/d (inside IR35) Location - Hybrid / Canary Wharf Tech Stack C# WPF Winforms SQL Oracle 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.

Role: Procurement Contract Admin Location: Birmingham/London/Bristol Rate: GBP 350 per day (Inisde IR35) Nature: Hybrid - 1 day per week Experience in Contract Admin for procurement activities. Analyse and identify the suppliers who should be in the scope of the renogitation program Once the deal done the procurement person has to update thec contract and upload onto docusign. Procurement background is need. Experience with various CRMs or ERPs like SAP GCS is acting as an Employment Business in relation to this vacancy.