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Senior API Technical Consultant (GraphQL Specialist)
Senior API Technical Consultant (GraphQL Specialist)
Staffworx Limited
London
market rates, outside IR35, 2 days on site
Lead the designand evolution of our API schemas, ensuring they meet the complex demands of a rapidly growing platform. * Expert levelGraphQL, including advanced API design, schema evolution, performance optimisation.
Lead the designand evolution of our API schemas, ensuring they meet the complex demands of a rapidly growing platform. * Expert levelGraphQL, including advanced API design, schema evolution, performance optimisation.
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Youll play a key role in running and evolving the banks Internal API Gateway platform a central service enabling secure, efficient, and scalable connectivity across the enterprise. * Act as a technical ambassador for our Internal API Gateway platform. * Join a small global SRE team managing the reliability and performance of the API platform. * Experience with Tyk API Gateway or similar API management platforms. * Work on a large-scale API ecosystem thats mission-critical to digital transformation.
Youll play a key role in running and evolving the banks Internal API Gateway platform a central service enabling secure, efficient, and scalable connectivity across the enterprise. * Act as a technical ambassador for our Internal API Gateway platform. * Join a small global SRE team managing the reliability and performance of the API platform. * Experience with Tyk API Gateway or similar API management platforms. * Work on a large-scale API ecosystem thats mission-critical to digital transformation.
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We are AMS. We are a global total workforce solutions firm; we enable organisations to thrive in an age of constant change by building, re-shaping, and optimising workforces. Our Contingent Workforce Solutions (CWS) is one of our service offerings; we act as an extension of our clients' recruitment team and provide professional interim and temporary resources. Our client, a major UK retail bank, provides every day banking services to over 17 million retail customers. The banks expertise and services span across Business Services, Corporate banking, Wealth Management, Group Functions, Retail and Investment Banking. On behalf of this organisation, AMS are looking for a Software Engineer (AI Prompts) for a 6 month contract based in either the bank's London or Edinburgh office on a remote first working model.
We are AMS. We are a global total workforce solutions firm; we enable organisations to thrive in an age of constant change by building, re-shaping, and optimising workforces. Our Contingent Workforce Solutions (CWS) is one of our service offerings; we act as an extension of our clients' recruitment team and provide professional interim and temporary resources. Our client, a major UK retail bank, provides every day banking services to over 17 million retail customers. The banks expertise and services span across Business Services, Corporate banking, Wealth Management, Group Functions, Retail and Investment Banking. On behalf of this organisation, AMS are looking for a Software Engineer (AI Prompts) for a 6 month contract based in either the bank's London or Edinburgh office on a remote first working model.
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Network Telecom Transformation Architect (Fixed, Telecom, Enterprise, Cloud)
Network Telecom Transformation Architect (Fixed, Telecom, Enterprise, Cloud)
Syntax Consultancy Ltd
West Fields, RG14
£450 - £450 Per Day £425-£450/day (Outside IR35)
Strategic: NaaS/NaaP enablement, TMF/MEF alignment, Service Catalogs, API exposure. * End-to-end network transformation across Fixed, IP/MPLS, SD-WAN, FTTx, and Telco Cloud domains; architecting scalable, automated, and API-driven network platforms aligned with TMF and MEF standards; * Define and implement Network-as-a-Service (NaaS) and Network-as-a-Platform (NaaP) frameworks — enabling on-demand, API-driven, and intent-based network capabilities aligned with TMF Open APIs and MEF LSO standards. * Drive transformation programs to modernize legacy OSS/BSS stacks into modular, API-exposed digital ecosystems.
Strategic: NaaS/NaaP enablement, TMF/MEF alignment, Service Catalogs, API exposure. * End-to-end network transformation across Fixed, IP/MPLS, SD-WAN, FTTx, and Telco Cloud domains; architecting scalable, automated, and API-driven network platforms aligned with TMF and MEF standards; * Define and implement Network-as-a-Service (NaaS) and Network-as-a-Platform (NaaP) frameworks — enabling on-demand, API-driven, and intent-based network capabilities aligned with TMF Open APIs and MEF LSO standards. * Drive transformation programs to modernize legacy OSS/BSS stacks into modular, API-exposed digital ecosystems.
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Network Telecom Transformation Architect (Fixed, Telecom, Enterprise, Cloud)
Network Telecom Transformation Architect (Fixed, Telecom, Enterprise, Cloud)
Syntax Consultancy Limited
West Fields, RG14
£450 Per Day £425-£450/day (Outside IR35)
Strategic: NaaS/NaaP enablement, TMF/MEF alignment, Service Catalogs, API exposure. * End-to-end network transformation across Fixed, IP/MPLS, SD-WAN, FTTx, and Telco Cloud domains; architecting scalable, automated, and API-driven network platforms aligned with TMF and MEF standards; * Define and implement Network-as-a-Service (NaaS) and Network-as-a-Platform (NaaP) frameworks — enabling on-demand, API-driven, and intent-based network capabilities aligned with TMF Open APIs and MEF LSO standards. * Drive transformation programs to modernize legacy OSS/BSS stacks into modular, API-exposed digital ecosystems.
Strategic: NaaS/NaaP enablement, TMF/MEF alignment, Service Catalogs, API exposure. * End-to-end network transformation across Fixed, IP/MPLS, SD-WAN, FTTx, and Telco Cloud domains; architecting scalable, automated, and API-driven network platforms aligned with TMF and MEF standards; * Define and implement Network-as-a-Service (NaaS) and Network-as-a-Platform (NaaP) frameworks — enabling on-demand, API-driven, and intent-based network capabilities aligned with TMF Open APIs and MEF LSO standards. * Drive transformation programs to modernize legacy OSS/BSS stacks into modular, API-exposed digital ecosystems.
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• API Knowledge: Experience with APIs, web services, and data exchange formats.
• API Knowledge: Experience with APIs, web services, and data exchange formats.
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API Knowledge: Experience with APIs, web services, and data exchange formats.
API Knowledge: Experience with APIs, web services, and data exchange formats.
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Java Full Stack Developer
Java Full Stack Developer
Stott & May Professional Search Limited
GU14, Farnborough
£247 - £297 per day
RESTful API development
RESTful API development
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Solid understanding of authentication flows and API integrations
Solid understanding of authentication flows and API integrations
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Architect and design enterprise-level integration solutions, defining API-led connectivity, patterns, and specifications. * Proven expertise in MuleSoft Anypoint Platform (including Anypoint Studio, Flow Design, and API Manager). * Strong knowledge of API-led connectivity and integration patterns (REST, SOAP).
Architect and design enterprise-level integration solutions, defining API-led connectivity, patterns, and specifications. * Proven expertise in MuleSoft Anypoint Platform (including Anypoint Studio, Flow Design, and API Manager). * Strong knowledge of API-led connectivity and integration patterns (REST, SOAP).
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RESTful API development experience.
RESTful API development experience.
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Strong understanding of API integration and data flow between backend and frontend.
Strong understanding of API integration and data flow between backend and frontend.
Understanding of API authentication, rate limits, and error handling.
Understanding of API authentication, rate limits, and error handling.
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Knowledge of Microsoft Graph API, Azure AI Foundry, and Copilot integration is a strong plus.
Knowledge of Microsoft Graph API, Azure AI Foundry, and Copilot integration is a strong plus.
Senior Azure AD DevOps Engineer
Senior Azure AD DevOps Engineer
Stott & May Professional Search Limited
RG1, Reading
£400 - £425 per day
Hands-on experience with Azure API Management, Azure Functions, Web Apps, Azure Blob Storage, Application Insights, and Azure Monitor.
Hands-on experience with Azure API Management, Azure Functions, Web Apps, Azure Blob Storage, Application Insights, and Azure Monitor.
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Mainframe (where relevant): z/OS, CICS, IMS, VSAM, JCL, Control-M, rehost/refactor/API enablement.
Mainframe (where relevant): z/OS, CICS, IMS, VSAM, JCL, Control-M, rehost/refactor/API enablement.
Strong application security background (OWASP Top 10, API security).
Strong application security background (OWASP Top 10, API security).
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Large Language API's (from 2021) * Assisting with the maintenance and iteration of a FastAPI-based web API hosted on AWS.
Large Language API's (from 2021) * Assisting with the maintenance and iteration of a FastAPI-based web API hosted on AWS.
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6-month initial contract * Outside IR35 * 2/3 Days per week on site * £750+ per day - Xpertise Recruitment is working in partnership with an FTSE 250 organisation to support the growth of their Enterprise Team. We're currently seeking an experienced Enterprise Architect to lead the design and governance of their enterprise-wide technology landscape. This is a strategic role, focused on aligning IT architecture with business objectives, driving platform efficiency, and guiding the adoption of modern technologies. The successful candidate will work closely with senior stakeholders to shape the future of the organisation's digital ecosystem. * Ensure the D365 CE programme aligns with business strategy and the target operating model. * Map the current IT landscape, including legacy CRM/ERP systems, integration layers, data flows, middleware, and reporting platforms.
6-month initial contract * Outside IR35 * 2/3 Days per week on site * £750+ per day - Xpertise Recruitment is working in partnership with an FTSE 250 organisation to support the growth of their Enterprise Team. We're currently seeking an experienced Enterprise Architect to lead the design and governance of their enterprise-wide technology landscape. This is a strategic role, focused on aligning IT architecture with business objectives, driving platform efficiency, and guiding the adoption of modern technologies. The successful candidate will work closely with senior stakeholders to shape the future of the organisation's digital ecosystem. * Ensure the D365 CE programme aligns with business strategy and the target operating model. * Map the current IT landscape, including legacy CRM/ERP systems, integration layers, data flows, middleware, and reporting platforms.
Job title: Lead Integration Developer - Location: London, UK - Job type: Contract (Inside IR35) About the Role As a Lead Integration Developer, you will be responsible for designing, developing, and maintaining integration solutions across various platforms, including Guidewire InsuranceSuite and other core systems. You will lead a team of developers, collaborate with stakeholders, and ensure the delivery of integration projects that meet business and technical requirements. What will you do? * Lead the design and implementation of integration solutions using APIs, web services, and messaging systems. * Collaborate with business analysts and architects to define integration requirements and strategies. * Develop and maintain integration components using technologies such as Java, REST/JSON, XML, and Enterprise Messaging Systems.
Job title: Lead Integration Developer - Location: London, UK - Job type: Contract (Inside IR35) About the Role As a Lead Integration Developer, you will be responsible for designing, developing, and maintaining integration solutions across various platforms, including Guidewire InsuranceSuite and other core systems. You will lead a team of developers, collaborate with stakeholders, and ensure the delivery of integration projects that meet business and technical requirements. What will you do? * Lead the design and implementation of integration solutions using APIs, web services, and messaging systems. * Collaborate with business analysts and architects to define integration requirements and strategies. * Develop and maintain integration components using technologies such as Java, REST/JSON, XML, and Enterprise Messaging Systems.
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MERITUS are working with a large consulting organisation looking for a Senior Java Developer on a project working into a UK Central Government client. You'll play a key role in designing, coding, reviewing, and testing solutions within the Java stack, collaborating with developers, testers, and DevOps engineers. The position also involves working on automated tests, infrastructure updates, and maintaining high-quality standards across all stages of development. The role is remote with monthly visits into the London office on an initial 6 Month contract. * Design, code, review, and unit test applications using the Java stack. * Collaborate with cross-functional teams, including developers, testers, and DevOps engineers. * Support and enhance legacy systems currently in maintenance mode. * Contribute to automated testing (C#) and infrastructure improvements (Docker, Ans
MERITUS are working with a large consulting organisation looking for a Senior Java Developer on a project working into a UK Central Government client. You'll play a key role in designing, coding, reviewing, and testing solutions within the Java stack, collaborating with developers, testers, and DevOps engineers. The position also involves working on automated tests, infrastructure updates, and maintaining high-quality standards across all stages of development. The role is remote with monthly visits into the London office on an initial 6 Month contract. * Design, code, review, and unit test applications using the Java stack. * Collaborate with cross-functional teams, including developers, testers, and DevOps engineers. * Support and enhance legacy systems currently in maintenance mode. * Contribute to automated testing (C#) and infrastructure improvements (Docker, Ans
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Senior Workday Integrations Lead - SC Cleared - Inside IR35 Contract - Location: Hybrid (20% in London or Glasgow) | Engagement: Contract - Inside IR35 | Duration: Initial 6 Months | Clearance: SC Clearance Essential - Are you a hands-on Workday Integrations Expert with 7-10 years' experience ready to own and define the entire integration landscape for a complex Workday transformation? Our client requires a high-calibre Senior Workday Integrations Lead to establish and deliver the integrations sub-workstream from the ground up. This role is critical for technical readiness, involving the design of integration patterns that will connect Workday with crucial internal and external systems across HR, Finance, and Payroll. The Role: End-to-End Integration Strategy & Delivery - You will report directly to the Senior Technical Delivery Manager, acting as the primary authorit
Senior Workday Integrations Lead - SC Cleared - Inside IR35 Contract - Location: Hybrid (20% in London or Glasgow) | Engagement: Contract - Inside IR35 | Duration: Initial 6 Months | Clearance: SC Clearance Essential - Are you a hands-on Workday Integrations Expert with 7-10 years' experience ready to own and define the entire integration landscape for a complex Workday transformation? Our client requires a high-calibre Senior Workday Integrations Lead to establish and deliver the integrations sub-workstream from the ground up. This role is critical for technical readiness, involving the design of integration patterns that will connect Workday with crucial internal and external systems across HR, Finance, and Payroll. The Role: End-to-End Integration Strategy & Delivery - You will report directly to the Senior Technical Delivery Manager, acting as the primary authorit
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Job title: Digital Developer - Location: London, UK - Job type: Contract (Inside IR35) About the Role You will be responsible for building and customizing digital experiences. This role is ideal for developers who are enthusiastic about modern web technologies, insurance transformation, and agile delivery. What will you do? * Develop and customize digital insurance applications using Guidewire JDP, React.js, and Figma-integrated design systems. In some cases, development may be custom built, using common front-end frameworks like React.js, Angular, or Vue.js. * Build and maintain reusable components and micro frontends for Guidewires CustomerEngage and EnterpriseEngage portals, as well as other custom or third-party digital platforms. * Integrate digital frontends with Guidewire PolicyCenter, BillingCenter, and ClaimCenter via Cloud APIs and GW Integration Gateway.
Job title: Digital Developer - Location: London, UK - Job type: Contract (Inside IR35) About the Role You will be responsible for building and customizing digital experiences. This role is ideal for developers who are enthusiastic about modern web technologies, insurance transformation, and agile delivery. What will you do? * Develop and customize digital insurance applications using Guidewire JDP, React.js, and Figma-integrated design systems. In some cases, development may be custom built, using common front-end frameworks like React.js, Angular, or Vue.js. * Build and maintain reusable components and micro frontends for Guidewires CustomerEngage and EnterpriseEngage portals, as well as other custom or third-party digital platforms. * Integrate digital frontends with Guidewire PolicyCenter, BillingCenter, and ClaimCenter via Cloud APIs and GW Integration Gateway.
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ESRI GIS Subject Matter Expert (SME)
ESRI GIS Subject Matter Expert (SME)
Stackstudio Digital Ltd.
RG40, Wokingham
From £400 to £450 per day
Role/Job Title: ESRI GIS Subject Matter Expert (SME) Work Location: Wokingham - If Hybrid, Days Required in Office: 3 days a week - The Role - We are seeking an experienced ESRI GIS Subject Matter Expert (SME) to lead the design, implementation, and optimization of a scalable GIS platform that supports strategic spatial energy planning. The platform will enable environmental impact assessments, economic modelling, and the integration of community preferences. The SME will be responsible for consolidating and migrating diverse spatial datasets into a unified system, ensuring data accuracy, quality, and accessibility, while supporting secure, role-based access, automation, and interoperability with internal and external systems. Your Responsibilities - Platform Design & Implementation * Architect and deploy a scalable ESRI-based GIS platform (ArcGIS Enterprise, ArcGIS O
Role/Job Title: ESRI GIS Subject Matter Expert (SME) Work Location: Wokingham - If Hybrid, Days Required in Office: 3 days a week - The Role - We are seeking an experienced ESRI GIS Subject Matter Expert (SME) to lead the design, implementation, and optimization of a scalable GIS platform that supports strategic spatial energy planning. The platform will enable environmental impact assessments, economic modelling, and the integration of community preferences. The SME will be responsible for consolidating and migrating diverse spatial datasets into a unified system, ensuring data accuracy, quality, and accessibility, while supporting secure, role-based access, automation, and interoperability with internal and external systems. Your Responsibilities - Platform Design & Implementation * Architect and deploy a scalable ESRI-based GIS platform (ArcGIS Enterprise, ArcGIS O
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6 Month Contract - Newbury/Reading (Hybrid) £500-£550/day (Outside IR35) TSOM (Telecom Service & Operations Management) project experience with ITSM i.e other modules (TSOM, ITOM, ITAM, HRSD, CSM, GRC, SecOps). A chance to work with a global IT Consultancy on a ServiceNow project for an external client. Hybrid working - working 2-3 days/week remotely from home (WFH) + 2-3 days/week from the office in either Newbury or Reading (depending on your preference). Paying up to £550/day (Outside IR35). Start ASAP ideally in October/November 2025. * Experienced needed TSOM (Telecom Service & Operations Management) implementation project toLead the design and implementation of ServiceNow modules, including ITSM, ITOM, ITAM, HRSD, CSM, GRC, SecOps and custom applications. * Strong experience ServiceNow ITSM and other modules i.e (TSOM, ITOM, ITAM, HRSD, CSM, GRC, SecOps).
6 Month Contract - Newbury/Reading (Hybrid) £500-£550/day (Outside IR35) TSOM (Telecom Service & Operations Management) project experience with ITSM i.e other modules (TSOM, ITOM, ITAM, HRSD, CSM, GRC, SecOps). A chance to work with a global IT Consultancy on a ServiceNow project for an external client. Hybrid working - working 2-3 days/week remotely from home (WFH) + 2-3 days/week from the office in either Newbury or Reading (depending on your preference). Paying up to £550/day (Outside IR35). Start ASAP ideally in October/November 2025. * Experienced needed TSOM (Telecom Service & Operations Management) implementation project toLead the design and implementation of ServiceNow modules, including ITSM, ITOM, ITAM, HRSD, CSM, GRC, SecOps and custom applications. * Strong experience ServiceNow ITSM and other modules i.e (TSOM, ITOM, ITAM, HRSD, CSM, GRC, SecOps).