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Test Manager- salesforce, outside IR35
Added 18/07/2026
Reference: 290340_1784397114

Test Manager - Salesforce Loyalty Management Contract | HybridExperienced Test Manager required to lead testing activity across a... Read more

Test Manager - Salesforce Loyalty Management
Contract | Hybrid

Experienced Test Manager required to lead testing activity across a complex Salesforce programme.

Key Requirements:

Strong Test Management experienceStrong UAT coordination across multiple teams and stakeholdersDeep understanding of Behaviour Driven Development (BDD), including feature files, example mapping, living documentation and executable specificationsExperience delivering testing on Salesforce platformsSalesforce Loyalty Management experience essentialTest automation background (hands-on or leadership) using Playwright, Selenium, TypeScript, Java or PythonStrong understanding of REST APIs and test data managementExcellent communication skills with the confidence to engage business and technical teams alike

This is an excellent opportunity to take ownership of testing, quality assurance and BDD practices on a large-scale Salesforce transformation programme.

Please share an updated CV if this position is of interest

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

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Negotiable
Greater London
Contract
People and Culture Advisor
Added 17/07/2026
Reference: 091123_1784278837

About the OpportunityAn exciting opportunity has arisen for an experienced People & Culture Advisor to join a dynamic... Read more

About the Opportunity

An exciting opportunity has arisen for an experienced People & Culture Advisor to join a dynamic and fast-paced organisation on a 12-month fixed-term contract.

Working as part of a collaborative People team, you will provide high-quality HR advisory support across a broad range of people matters, partnering with managers and stakeholders to deliver practical, commercially focused solutions while ensuring compliance with employment legislation and HR best practice.

This role offers a mix of employee relations, people operations, organisational change support, and HR project work within a complex, matrixed environment.

Key ResponsibilitiesAct as a trusted first point of contact for managers on employee-related matters.Manage employee relations cases from end to end, including:DisciplinaryGrievancePerformance managementCapabilityAbsence managementLong-term sicknessProvide advice on UK employment legislation, company policies and HR best practice.Support leaders through organisational change activities, restructures and business transformation initiatives.Liaise with HR Operations and Shared Services teams to ensure the accurate processing of employee data and people transactions.Maintain organisational structures, workforce changes and employee records within Workday.Support employee lifecycle activities including onboarding, contractual changes, promotions, transfers and offboarding.Assist with annual people processes including performance reviews, talent planning and compensation activities.Produce HR reports, people analytics and case documentation.Contribute to continuous improvement initiatives across the People function.Work closely with stakeholders across the UK and wider international teams where required.Skills & ExperienceEssentialProven experience in an HR Advisor, People Advisor or People & Culture Advisor role.Strong employee relations experience with the ability to independently manage complex cases.Sound knowledge of UK employment law and HR best practice.Strong hands-on experience with Workday.Experience coaching and advising managers on people-related matters.Ability to handle sensitive situations with professionalism and discretion.Excellent stakeholder management and communication skills.Experience working within a fast-paced, matrix organisation.Strong organisational skills with the ability to manage multiple priorities.DesirableCIPD qualification or equivalent.Experience supporting organisational change and restructuring activities.Experience working within a multi-site or international business environment.What We're Looking For

You will be a proactive, pragmatic and relationship-focused HR professional who enjoys partnering with managers, solving people challenges and delivering excellent employee experiences.

You'll be comfortable operating both strategically and hands-on, with the confidence to influence stakeholders, manage complex ER matters and contribute to a high-performing People function.

BenefitsHybrid workingCompetitive salary packageCollaborative and inclusive cultureExposure to broad HR projects and initiativesProfessional development opportunitiesOpportunity to work within a large, international organisation

If you have strong employee relations expertise, excellent knowledge of UK employment law, and proven Workday experience, we'd love to hear from you.

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

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£180.00 - £195.00
Per day
Greater London
Contract
Technical PMO (Outside IR35 Contract)
Added 16/07/2026
Reference: RF123_1784213513

Technical PMO (Outside IR35 Contract)Location: Remote (UK) Contract: 3 Months (Outside IR35) Start: ASAPWe're looking for an experienced... Read more

Technical PMO (Outside IR35 Contract)

Location: Remote (UK)
Contract: 3 Months (Outside IR35)
Start: ASAP

We're looking for an experienced Technical PMO to work closely with my client's CTO, acting as a trusted right-hand person to help drive technology initiatives, improve visibility across the IT function, and ensure key projects are delivered successfully.

This is a hands-on role where you'll be responsible for coordinating multiple workstreams, engaging with stakeholders across the business, and providing the CTO with confidence that priorities are being effectively managed.

Responsibilities

Act as the primary support to the CTO, providing oversight across technology programmes and initiatives.Attend leadership meetings, capture actions, and ensure deliverables are completed.Monitor project progress, risks, dependencies, and milestones across multiple technology workstreams.Produce clear and concise reporting for senior leadership and executive stakeholders.Work with both technical and non-technical teams to ensure effective communication and delivery.Support the delivery of strategic technology projects, including AI, cloud, cyber security, CRM, and business systems initiatives.Coordinate with internal teams, third-party suppliers, and procurement functions.Help establish governance, improve delivery processes, and ensure projects remain on track.Provide visibility and challenge where required to ensure successful outcomes.

Skills & Experience

We're looking for someone who has:

Proven experience working within a Technical PMO, Technology Programme Management, or CTO Office environment.Experience supporting C-suite executives, ideally a CTO or CIO.Excellent stakeholder management and communication skills.Strong experience delivering internal technology transformation projects.Good understanding of Microsoft technologies, particularly Azure.Exposure to AI-focused initiatives and digital transformation programmes.Experience working on cyber security projects.Knowledge of CRM and financial systems implementations or upgrades.Experience working with suppliers, procurement teams, and third-party vendors.Exposure to enterprise data platforms such as Snowflake or other data lake technologies would be beneficial.Previous experience within the recruitment, staffing, or professional services sector would be advantageous

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

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£600.00 - £650.00
Per day
Greater London
Contract
Technical PMO (Outside IR35 Contract)
Added 15/07/2026
Reference: RF123_1784110917

Technical PMO (Outside IR35 Contract)Location: Remote (UK) Contract: 3 Months (Outside IR35) Start: ASAPWe're looking for an experienced... Read more

Technical PMO (Outside IR35 Contract)

Location: Remote (UK)
Contract: 3 Months (Outside IR35)
Start: ASAP

We're looking for an experienced Technical PMO to work closely with my client's CTO, acting as a trusted right-hand person to help drive technology initiatives, improve visibility across the IT function, and ensure key projects are delivered successfully.

This is a hands-on role where you'll be responsible for coordinating multiple workstreams, engaging with stakeholders across the business, and providing the CTO with confidence that priorities are being effectively managed.

Responsibilities

Act as the primary support to the CTO, providing oversight across technology programmes and initiatives.Attend leadership meetings, capture actions, and ensure deliverables are completed.Monitor project progress, risks, dependencies, and milestones across multiple technology workstreams.Produce clear and concise reporting for senior leadership and executive stakeholders.Work with both technical and non-technical teams to ensure effective communication and delivery.Support the delivery of strategic technology projects, including AI, cloud, cyber security, CRM, and business systems initiatives.Coordinate with internal teams, third-party suppliers, and procurement functions.Help establish governance, improve delivery processes, and ensure projects remain on track.Provide visibility and challenge where required to ensure successful outcomes.

Skills & Experience

We're looking for someone who has:

Proven experience working within a Technical PMO, Technology Programme Management, or CTO Office environment.Experience supporting C-suite executives, ideally a CTO or CIO.Excellent stakeholder management and communication skills.Strong experience delivering internal technology transformation projects.Good understanding of Microsoft technologies, particularly Azure.Exposure to AI-focused initiatives and digital transformation programmes.Experience working on cyber security projects.Knowledge of CRM and financial systems implementations or upgrades.Experience working with suppliers, procurement teams, and third-party vendors.Exposure to enterprise data platforms such as Snowflake or other data lake technologies would be beneficial.Previous experience within the recruitment, staffing, or professional services sector would be advantageous

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

Read less
£600.00 - £650.00
Per day
Greater London
Contract
Cyber Security Engineer (OUTSIDE IR35)
Added 14/07/2026
Reference: Cyber-OUTSIDE_1784018669

Cyber Security Engineer - Microsoft 365 & Azure6-Month Contract | Outside IR35 | £350-400 per day | Remote... Read more

Cyber Security Engineer - Microsoft 365 & Azure

6-Month Contract | Outside IR35 | £350-400 per day | Remote (UK) | 1-2 Days per Month On-Site (South West London)

A leading public sector organisation is looking for a Cyber Security Engineer to support a major cyber security improvement programme.

Working alongside the Cyber Security, Infrastructure and Platform teams, you'll help deliver a range of security enhancements across Microsoft 365, Azure and AWS, strengthening the organisation's overall security posture while improving identity, endpoint, cloud and data protection capabilities.

This is a fantastic opportunity for someone who enjoys hands-on engineering and wants to be involved in delivering meaningful security improvements across a large enterprise environment.

Key ResponsibilitiesDeliver security improvement projects across Microsoft 365, Azure and AWS.Implement and enhance security controls across identity, endpoint, cloud and data protection.Configure and support Microsoft Intune, Microsoft Defender, Microsoft Purview and related Microsoft security technologies.Assist with SIEM configuration, alert tuning and security monitoring.Support Identity & Access Management improvements, including MFA, Conditional Access and Microsoft Entra ID.Work closely with Infrastructure, Platform and Service Desk teams to plan and implement security changes.Assist with vulnerability management and endpoint security improvements.Support cloud security initiatives across Azure and AWS.Produce clear technical documentation and operational handover documentation.Work collaboratively with internal technical teams to ensure successful delivery of security initiatives.Essential Experience

We're looking for someone with experience across several of the following areas:

Experience working as a Cyber Security Engineer within an enterprise environment.Good knowledge of Microsoft 365 and Azure security.Experience with Microsoft Intune and Microsoft Defender.Understanding of Identity & Access Management, including Microsoft Entra ID, MFA and Conditional Access.Experience supporting or configuring SIEM platforms (Microsoft Sentinel or similar).Knowledge of endpoint security and vulnerability management.Experience working within Azure and/or AWS environments.Basic PowerShell scripting skills.Experience delivering technical projects and working with multiple technology teams.Strong communication skills with the ability to produce clear technical documentation.Desirable Experience

Experience in any of the following would be beneficial but is not essential:

Microsoft Purview, DLP or Information Protection.Zscaler (ZIA/ZPA).AWS Security.Infrastructure-as-Code (Terraform, Bicep or ARM Templates).Experience within the UK Public Sector or another regulated environment.Knowledge of UK GDPR, PSN or PCI DSS.Contract DetailsRole: Cyber Security Engineer - Microsoft 365 & AzureContract: 6 MonthsDay Rate: £350-400 per dayIR35 Status: Outside IR35Location: Remote (UK)Travel: 1-2 days per month on-site in South West LondonStart Date: ASAP

This is an excellent opportunity to join a high-profile cyber security programme, working on modern Microsoft security technologies within a collaborative team while enjoying the flexibility of a predominantly remote contract.

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

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£350.00 - £400.00
Per day
Greater London
Contract
Forward Deployed Engineer - Python
Added 13/07/2026
Reference: 3490forWARD_1783964745

Python Engineer / Forward Deployed EngineerLocation: London / HybridWe're looking for a Python Engineer / Forward Deployed Engineer... Read more

Python Engineer / Forward Deployed Engineer

Location: London / Hybrid

We're looking for a Python Engineer / Forward Deployed Engineer to work directly with clients, solving complex technical problems and turning ideas into production-ready solutions. This is a hands-on engineering role for someone who enjoys working across software development, cloud platforms, data, and stakeholder engagement.

What you'll be doingBuilding and deploying Python-based applications and services in customer environments.Working closely with stakeholders to understand business problems and rapidly deliver solutions.Designing APIs, integrations, automation workflows and cloud-native platforms.Troubleshooting production issues and improving performance, reliability and scalability.Collaborating with product, engineering and client teams to drive successful outcomes.What we're looking forStrong Python development experience (FastAPI, Flask or Django).Experience building scalable APIs and backend services.Cloud experience across AWS, Azure or GCP.Strong SQL and data integration skills.Experience with Docker, Kubernetes and modern CI/CD practices.Excellent communication skills and the ability to work directly with clients.Comfortable operating in ambiguous environments and taking ownership of delivery.DesirableExperience with AI/LLM applications, agentic AI or RAG solutions.Infrastructure as Code (Terraform, Bicep or CloudFormation).Experience in consulting, professional services or customer-facing engineering roles.Why apply?Work on high-impact projects solving real business challenges.Exposure to modern cloud, platform engineering and AI technologies.Significant autonomy and ownership.Fast-paced environment with excellent career progression opportunities.

If you're a strong Python engineer who enjoys working at the intersection of technology, delivery and customer engagement, we'd love to hear from you.

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

Read less
Negotiable
Greater London
Contract
Technical Delivery Manager
Added 13/07/2026
Reference: 345902techl_1783964160

Technical Delivery ManagerContractWe're seeking an experienced Technical Delivery Manager to lead the successful delivery of complex technology and... Read more

Technical Delivery Manager

Contract

We're seeking an experienced Technical Delivery Manager to lead the successful delivery of complex technology and software development projects.

The successful candidate will be responsible for coordinating technical teams, managing project governance, mitigating risks, and ensuring projects are delivered on time, within budget, and to a high standard.

ResponsibilitiesManage end-to-end delivery of software and technology projectsCoordinate multiple teams and workstreams to achieve delivery objectivesMonitor project progress, risks, issues and dependenciesProduce delivery reports and updates for stakeholdersFacilitate planning, prioritisation and delivery activitiesDrive Agile delivery practices and continuous improvementWork closely with technical and business stakeholders to ensure successful outcomesSupport resource planning, forecasting and delivery management activitiesRequired ExperienceProven experience delivering software development or digital transformation projectsStrong knowledge of Agile methodologies including Scrum and KanbanExperience managing project governance, reporting, risks and dependenciesAbility to work effectively with engineering, product and business teamsExcellent stakeholder management and communication skillsStrong organisational and problem-solving abilitiesCommercial awareness and experience managing delivery challenges in fast-paced environmentsPrevious technical background in software development, engineering or technical leadershipExperience working within technology consulting, professional services or software organisationsExposure to cloud technologies, DevOps environments or modern software delivery practicesExperience establishing project structures, delivery processes and team ways of workingPlease send across an updated CV if this position is of interest

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

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Negotiable
Greater London
Contract
C# Developer
Added 13/07/2026
Reference: RP/C#_1783957609

Global bank based in Canary Wharf.Role - C# Developer - Desktop ApplicationsDuration - 6 months with likely extensionRate... Read more

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.

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£400.00 - £416.00
Per day
Greater London
Contract
Application Architect - Modernisation project
Added 13/07/2026
Reference: RP/ARCH_1783957574

Solutions Architect - Tier 1 Bank - Canary Wharf Role - Application ArchitectDuration - 6 months with very... Read more

Solutions Architect - Tier 1 Bank - Canary Wharf

Role - Application Architect

Duration - 6 months with very likely extension

Location - Hybrid / Canary Wharf - 3 days per week in a Canary Wharf office

Rate - £600 per day (Inside IR35)

Experience -

In depth understanding of Object Orientated programming concepts as well as of the full Software Development Life Cycle.Good understanding of MS .NET Framework environments.Knowledge and experience of Agile methodologyKnowledge of Cloud and AI technologies that can be adopted into the workplaceExtensive experience working as a software and solutions architect.Experience in designing of high-level concepts for software solutions.Experience in development of Azure cloud-based as well as on-prem solutions.DevOps and SCRUM experienceExperience in Cloud migration planning and execution

Tasks -

Create and improve architectural standards for on premise and azure cloud software products, develop cloud migration procedures and guidelines.Assist in cloud migration projects, assess readiness and dependencies, optimize for the Cloud.Create and review blueprints for software products, provide guidance on improving architecture.Coding mission critical parts and performing code reviews.Assist on integrating AI technologies to improve existing systems.Ensure that applications are in line with compliance and regulatory standards and conduct regular security assessments of these applications.Technical writing (creating related documentation)Assist developers with any architecture related issues and queries.

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

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£550.00 - £600.00
Per day
Greater London
Contract
Integration Developer C#,.Net (SC Cleared, Public Sector)
Added 07/07/2026
Reference: 987654_1783425262

Integration Design: Collaborate with business stakeholders, IT teams, and external partners to gather integration requirements and define workflows.... Read more

Integration Design:
Collaborate with business stakeholders, IT teams, and external partners to gather integration requirements and define workflows. Design data mappings, transformations, APIs, and message schemas to facilitate the secure and efficient exchange of data between systems.Development and Implementation:
Design, develop, test, and deploy integration solutions using C#, .NET, or similar programming languages. Build RESTful APIs and backend services to support integration needs. Configure connectors and implement robust error handling and retry mechanisms to ensure reliability and data integrity.Integration Platforms and Tools:
Utilize integration platforms such as Azure Logic Apps, Azure Data Factory, SSIS, or other middleware tools to orchestrate data flows and integrate diverse systems. Experience with tools such as Postman, Swagger, and API gateways is highly desirable.API and Service Integration:
Build and maintain APIs (REST and/or SOAP), working with authentication, authorization, and secure data exchange. Integrate internal and third-party APIs to facilitate service-oriented and event-driven architecture across systems.Data Transformation and Mapping:
Implement data transformation logic to convert between formats like JSON, XML, and CSV. Design reusable components and mappings to streamline data flow between systems with different schemas or protocols.Testing and Debugging:
Perform unit, integration, and end-to-end testing of integration workflows and APIs. Debug issues using tools such as Fiddler, Postman, and application logs. Continuously optimize performance and reliability through code refactoring and system tuning.Documentation and Reporting:
Document API contracts, integration configurations, and solution architecture to support maintainability. Provide progress updates, technical summaries, and risk reports to stakeholders throughout the project lifecycle.Collaboration and Communication:
Work closely with software developers, data engineers, QA teams, and business analysts to align integration work with broader project goals. Clearly communicate technical designs, project updates, and roadblocks to both technical and non-technical stakeholders.Continuous Learning:
Keep up-to-date with integration frameworks, cloud technologies, and development best practices. Actively participate in knowledge-sharing sessions and contribute to the continuous improvement of integration standards and code quality.

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

Read less
Negotiable
Greater London
Contract
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