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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.

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About the role

Build powerful client partnerships. Shape long‑term talent strategies. Grow a portfolio you can truly own.

This is not a typical client‑services role. As a Customer Engagement Manager, you'll become the strategic link between major corporate clients and our full suite of talent solutions, consultancy services, and GCS project delivery offerings. You'll nurture high‑value relationships, uncover new opportunities, and help clients solve their most pressing workforce challenges.

There's also huge scope to bring in new accounts, fully own them, and grow them into long‑term revenue engines.

What You'll Be Doing

As a Customer Engagement Manager, you'll be the strategic link between GCS and our key clients-driving value, deepening relationships, and opening doors to new opportunities.

Engaging major corporate clients - building strong, consultative relationships with large organisations and understanding their evolving workforce needs.

Showcasing our full solution suite - introducing clients to our talent and staffing services, consultancy offerings, and GCS project solutions.

Growing strategic accounts - expanding existing partnerships by identifying new opportunities and ensuring exceptional service delivery.

Owning new business wins - bringing in new accounts you can fully manage, nurture, and scale over time.

Collaborating with delivery teams - partnering with our sourcing and project specialists to ensure clients receive the right solutions at the right time.

Who We're Looking For

We're looking for someone who is:

Commercially driven - motivated by growth, opportunity, and long‑term client success.

A natural relationship‑builder - confident engaging senior stakeholders and building trust quickly.

Consultative and curious - able to understand client challenges and position the right GCS solutions.

Organised and proactive - capable of managing multiple accounts and opportunities simultaneously.

Tech‑savvy and market aware - passionate about the technology sector and its talent landscape.

What We Offer

Hybrid working - flexibility that supports work‑life balance.

Clear development pathways - structured progression into senior roles and strategic account ownership.

Exposure to major UK accounts - work with some of the biggest names in tech and enterprise.

Long‑term portfolio building - create a client base that grows with you, boosting your earning potential.

Competitive salary + performance bonuses.

Private healthcare and pension scheme.

If this is you, we are looking forward to have a chat with you. Click the "APPLY" button and we will reach out to you.

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

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Are you ambitious and ready to take your career to the next level?

Join our team in London as an Account Manager and help us connect top tech talent with our growing portfolio of UK / EU‑based clients.

About Us

At GCS (part of the nGAGE Talent Group), we specialise in connecting exceptional IT professionals with some of the most innovative companies in the UK technology sector. Our reputation is built on delivering outstanding recruitment solutions and fostering strong, long‑term partnerships with our clients.

What You'll Be Doing

As an Account Manager, you'll play a key role in driving business growth by:

Managing client relationships - owning and developing relationships with existing UK clients, understanding their hiring needs, and delivering tailored recruitment solutions.

Partnering with delivery teams - working closely with our sourcing and delivery consultants to ensure we identify top‑tier candidates and provide an excellent candidate experience.

Overseeing the full recruitment lifecycle - from job briefing and shortlisting to offer negotiation and aftercare.

Providing exceptional service - ensuring both clients and candidates receive a high‑quality, professional experience.

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

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With a strong reputation for delivering top-tier talent to leading organizations, we foster a dynamic and growth-oriented work environment. We are now looking for a driven 360 Recruitment Consultants to join our Technology division, playing a key role in driving new business and placing high-caliber candidate,

Your Role-
As a Consultant, you will take full ownership of the recruitment process-from client acquisition and relationship management to candidate sourcing and placement. You'll be instrumental in growing our tech recruitment function, building strong industry connections, and exceeding placement targets.

Key Responsibilities -

Business Development & Client Engagement-
Identify and acquire new clients, building long-term relationships with key decision-makers.
Understand clients' hiring needs, advising them on market trends and talent strategies.
Proactively generate business opportunities through networking, sales calls, and client meetings.

Candidate Sourcing & Assessment-
Utilize multiple sourcing channels (LinkedIn, job boards, referrals, networking) to attract top tech talent.
Conduct in-depth candidate assessments, including interviews and technical screenings, to ensure a strong fit.
Build and maintain a strong talent pipeline to meet ongoing client needs.

End-to-End Recruitment Management -
Manage the full recruitment lifecycle, from job briefing and candidate sourcing to offer negotiation and onboarding.
Provide a seamless and engaging experience for both clients and candidates throughout the hiring process.
Advise on market conditions, salary benchmarks, and hiring best practices.

Market Research & Industry Expertise-
Stay updated on industry trends, emerging technologies, and talent movements within the tech sector.
Leverage market insights to develop tailored recruitment strategies and consult with clients effectively.

Performance & Growth-
Work towards and exceed key performance metrics, including placements, revenue generation, and client satisfaction.
Collaborate with a high-performing team, contributing to the overall growth of the business.

What We're Looking For -
Experience as a 360 Recruitment Consultant, preferably focused within any tech vertical (cyber security / data / infrastructure / cloud etc.),
A proven track record in business development, lead generation, and placing candidates.
Strong understanding of tech industry trends, skill sets, and hiring challenges.
Excellent communication and relationship-building skills, with the ability to engage and influence stakeholders.
A results-driven mindset, with the ability to meet and exceed recruitment targets.
A proactive and collaborative approach, contributing to a positive team culture.

If this is you, we are looking forward to have a chat with you. Click the "APPLY" button and we will reach out to you.

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

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Are you a motivated Salesforce Solutions Architect who is passionate about Cloud and application architecture? Do you have expert knowledge of Salesforce products and are you looking to get involved at the onset of a new platform and have the chance to really make an impact?

Note: This role is based out in Livingston OR London (2days/week in office)

What you'll do:

Partner with product owners and solutions architecture to deliver tailored solutions across the Salesforce Ecosystem to support and realise business requirements. (Sales, Service, Communications, Experience and Marketing Clouds) Drive adoption of best practices and support a community of Salesforce Technical Designers across a wide range of initiatives to support business growth, adoption and exploitation of the Salesforce platform. Employ robust Engineering principles and practices across the design, development and delivery of changes to the Salesforce platform, working across a number of Communities of Practice to foster a culture of continuous improvement, working to define and implement best practices across the Salesforce ecosystem. Perform technical analysis, design and support implementation of changes to Salesforce platform following best practices, leveraging OOTB capabilities and customisation when necessary. Contribute to improvement of DevOps processes, Ways of Working and tools including scrum, user support, platform security, quality, version control and CI/CD. Work with domain and cross-functional agile teams to support and enhance features in CPQ, EPC, CLM and OM to support Salesforce application offerings in iterative release cycles. Manage and train advise a team of Salesforce developers and architects to build solutions using Visualforce, Lightning, APEX, APIs, and Comms Cloud components - OmniScripts, Data Raptors, Omnistudio Cards, Omnistudio Product Designer, Omnistudio Pricing Designer and Integration Procedures.

What you'll bring:

Extensive and in-depth experience of the Salesforce Digital Commerce platform and business processes including Comms Cloud (Vlocity, CPQ, EPC, OM, CLM), Sales, Service, Experience and Marketing Clouds, ideally in a Communications environment. Experience in design and development across the Salesforce platform including OmniScripts, Data Raptors, Omnistudio (Cards, Product Designer, Pricing Designer), Digital Commerce (including Cart based APIs), Lightning Web Component Framework, Apex, Triggers, SOQL/SOSL, Flows, Integration Procedures, Orchestration Plans and Event Driven integrations with external systems using SOAP, REST, BULK, Platform events and Streaming APIs. Experience of Salesforce core and Comms Cloud performance considerations and knowledge/techniques to avoid performance degradation. Good knowledge of industry CPQ offerings such as Assetization, Product lifecycle management, Digital Commerce/Cart based APIs and external APIs. Experience in building complex, scalable and high-performance software systems, including object modelling and OO design patterns that have been successfully delivered to customers. Knowledge of TOGAF principals would be advantageous. Experience with Version Control Systems and Continuous Integration/Continuous Delivery CI/CD workflows (GitLab CI/CD, Jenkins) using Vlocity Build tool (CLI) or Vlocity IDX tool and SFDX. Knowledge of using SonarQube or other static code analysis tools and ELK or Splunk for log analysis would also be beneficial for this role.

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

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

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Role: OT Cyber Security Delivery Manager

Duration: 6 month rolling

Rate: Up to £650 Inside IR35

Location: London (2 days onsite)

I'm supporting an urgent requirement for an experienced OT Cyber Security Delivery Manager to drive the delivery of security improvements across a complex OT environment.

This role is very much delivery-led, so we need someone who has hands-on experience implementing OT security controls, owning execution across initiatives like IT/OT segmentation, NIS2, and secure access.

What we're looking for:

Proven experience leading and delivering OT cyber programmes/projects end-to-end (IEC62443 / NIST aligned)Strong experience across ICS/SCADA and OT environmentsAbility to drive delivery across engineering, cyber, and operations teams

To find out more, please apply now or send a copy of your CV to [email protected]

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

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Join a major global banking transformation programme focused on redefining Identity & Access Management (IAM) at enterprise scale.

We're looking for a skilled Developer with strong experience in cloud-native API engineering, IAM workflows, and event-driven systems on GCP.

📍 London OR Sheffield / Hybrid
🏦 Global Banking Programme
⚡ Long-term Transformation Project

💡 What You'll Work On:

Building secure IAM APIs and identity orchestration workflowsDesigning scalable Pub/Sub and event-driven architecturesDeveloping cloud-native microservices on GCPAutomating identity lifecycle and access management processesImplementing secure authentication and authorization patterns

🔧 Tech Stack:

GCP (GKE, Cloud Run, Pub/Sub, Cloud Functions)Python / Go / Node.jsTerraform & CI/CDOAuth2, OIDC, JWT, SAMLKubernetes & MicroservicesAuth0 / Okta / WorkOS / IAM platforms

✅ We're Looking For:

Strong API and microservices development experienceHands-on event-driven architecture expertiseCloud-native engineering backgroundSecurity-first mindset with IAM exposureExperience within enterprise or regulated environments preferred

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

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Counterparty Credit Risk QA Lead - Tier 1 Bank - London - 12 months

Role - Counterparty Credit Risk QA Lead

Rate - £850 per day (Inside IR35)

Duration - 12 months with very likely extension

Location - Hybrid / Liverpool Street - 3 days per week in an office in Liverpool Street

Role

Lead testing activities within the Counterparty Credit Risk (CCR) domain. The role will focus on defining the overall test strategy, ensuring alignment with the bank's existing QA processes and governance standards, and reviewing current practices to identify opportunities for improvement. The Test Manager will work closely with stakeholders across business and technology to ensure consistent and high-quality testing delivery.The ideal candidate combines deep QA expertise with strong domain knowledge in Counterparty Credit Risk, exposure to regulatory-driven change, and the ability to manage cross‑functional delivery across technology, risk, and business functions.

Tasks

Define and implement the overall test strategy for Counterparty Credit Risk initiatives.Align testing activities with the bank's QA processes, standards, and governance framework.Review existing QA processes and identify areas for improvement or enhancement.Build and scale a high-performing QA function, including hiring, mentoring, coaching, and capability development.Develop KPI and quality reporting frameworks to track test coverage, defect leakage, release quality, and delivery performance.Oversee test planning, execution, and reporting across SIT, UAT, and regression phases.Ensure traceability between requirements, test cases, and defects.Work closely with business analysts, developers, and risk stakeholders to support effective test coverage.Ensure compliance with audit and governance requirements.Monitor test progress, risks, and issues, and provide clear status reporting to senior stakeholdersSupport release planning and coordinate end-to-end testing activities.Provide guidance and oversight to QA resources within the workstream.

Qualifications required

8-12+ years strong experience as a Test Manager within banking or financial servicesExperience working within Counterparty Credit Risk or similar risk domains.Experience defining test strategies aligned to enterprise QA standards.Good understanding of test governance and audit requirements.Experience managing SIT, UAT, and end-to-end testing.Strong stakeholder management and communication skills.Experience with test management tools (e.g., JIRA, Xray, or similar).

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

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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