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        21 Contract API jobs in Slough + 20 miles

        SAP IBP Demand Planning Consultant

        Henderson Scott
        Walton-On-Thames (KT12), KT12 1AE
        £600 - £650 per day + 6 Months + Extensions
        Design and manage SAP IBP OData API integrations and CPI flows
        Design and manage SAP IBP OData API integrations and CPI flows

        GIS Technician

        Morson Edge
        Euston, North West London (NW1), NW1 3SA
        Market related
        API integration
        API integration
        PREMIUM

        Enterprise Architect – Corporate Technology

        Ventula Consulting Limited
        South West London (SW1)
        From £850 to £900 per day
        One of the worlds great FMCGs (FTSE 100) requires an Enterprise Architect in its Corporate Tech function. This role is anchored in Enterprise Architecture and is focused on building and maturing EA capability in an evolving Corporate Functions environment. It combines strong architectural judgement with the ability to partner, influence, and drive pragmatic, outcome-led change in a landscape with emerging maturity and legacy complexity. As an Enterprise Architect with deep expertise in Finance and Corporate Technologies, you will bridge the gap between enterprise technology and key business objectives across corporate functions. You will design and govern architectures that enable enterprise-wide transformation, ensuring alignment with CFO, CHRO, CPO, and General Counsel priorities. Your domain knowledge will drive the evolution of systems for core Finance, HR, Legal, and ...
        One of the worlds great FMCGs (FTSE 100) requires an Enterprise Architect in its Corporate Tech function. This role is anchored in Enterprise Architecture and is focused on building and maturing EA capability in an evolving Corporate Functions environment. It combines strong architectural judgement with the ability to partner, influence, and drive pragmatic, outcome-led change in a landscape with emerging maturity and legacy complexity. As an Enterprise Architect with deep expertise in Finance and Corporate Technologies, you will bridge the gap between enterprise technology and key business objectives across corporate functions. You will design and govern architectures that enable enterprise-wide transformation, ensuring alignment with CFO, CHRO, CPO, and General Counsel priorities. Your domain knowledge will drive the evolution of systems for core Finance, HR, Legal, and ...
        more

        NSX-T Engineer / Architect SC Cleared

        Sanderson Government and Defence
        Farnborough (GU14), GU14
        £550 - £750 per day
        Position: NSX-T Engineer / Architect - Location: Farnborough - Day Rate: Market Rate - SC Clearance Required - Our defence client is seeking a highly skilled VMware NSX-T Engineer/Architect to play a key role in designing and delivering secure, resilient, and scalable network solutions across mission-critical environments. This is an opportunity to work at the forefront of software-defined networking within a complex, high-security landscape. Key Responsibilities * Lead the design, deployment, and administration of VMware NSX-T, including logical switching, routing, distributed firewalls, and micro- * Architect robust Layer 2/3 network solutions, with deep expertise in BGP, OSPF, STP, VLANs, and trunking. * Implement advanced firewalling and security controls, including segmentation strategies, IDS/IPS, and zero-trust methodologies.
        Position: NSX-T Engineer / Architect - Location: Farnborough - Day Rate: Market Rate - SC Clearance Required - Our defence client is seeking a highly skilled VMware NSX-T Engineer/Architect to play a key role in designing and delivering secure, resilient, and scalable network solutions across mission-critical environments. This is an opportunity to work at the forefront of software-defined networking within a complex, high-security landscape. Key Responsibilities * Lead the design, deployment, and administration of VMware NSX-T, including logical switching, routing, distributed firewalls, and micro- * Architect robust Layer 2/3 network solutions, with deep expertise in BGP, OSPF, STP, VLANs, and trunking. * Implement advanced firewalling and security controls, including segmentation strategies, IDS/IPS, and zero-trust methodologies.
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        FEATURED

        Web GIS Developer

        Stackstudio Digital Ltd.
        Wokingham (RG40)
        From £300 to £340 per day
        Role/Job Title:Web GIS Developer - Work Location:Wokingham - Mode of Working: Onsite - Duration of Assignment:6 months - Role Summary - We are looking for a skilled Web GIS Developer to design, develop, and maintain GIS-based web applications and services. The candidate will work closely with project teams to build spatial solutions using ESRI technologies, integrate GIS components with enterprise systems, and support geospatial data management and visualization needs. This role requires strong hands on experience in GIS development, spatial databases, web technologies, and ArcGIS Enterprise components. Key Responsibilities - Develop and maintain GIS-based web applications using ESRI technologies. Build and configure applications using ArcGIS Enterprise components such as ArcGIS Portal, ArcGIS Server, and Data Store.
        Role/Job Title:Web GIS Developer - Work Location:Wokingham - Mode of Working: Onsite - Duration of Assignment:6 months - Role Summary - We are looking for a skilled Web GIS Developer to design, develop, and maintain GIS-based web applications and services. The candidate will work closely with project teams to build spatial solutions using ESRI technologies, integrate GIS components with enterprise systems, and support geospatial data management and visualization needs. This role requires strong hands on experience in GIS development, spatial databases, web technologies, and ArcGIS Enterprise components. Key Responsibilities - Develop and maintain GIS-based web applications using ESRI technologies. Build and configure applications using ArcGIS Enterprise components such as ArcGIS Portal, ArcGIS Server, and Data Store.
        more

        Salesforce Technical Lead

        Stackstudio Digital Ltd.
        Wokingham (RG40)
        From £470 to £500 per day
        Role Details * Role/Job Title: Salesforce Technical Lead * Work Location: Wokingham/Warwick * Hybrid Requirement: 3 days * Duration of Assignment: 6 months * Other Working Conditions: Work from Office for 3 days must - The Role - Seeking a highly skilled Salesforce Technical Lead to lead the design, development, and delivery of Salesforce solutions. The ideal candidate will have strong hands-on expertise in Salesforce development, proven experience in leading technical teams, and the ability to translate business requirements into robust, scalable technical solutions. Your Responsibilities - Development & Customization * Lead the design, development, and delivery of Salesforce technical solutions * Perform hands-on development using Apex, Lightning Web Components (LWC), Visualforce, and Salesforce Flows * Design and implement customized solutions across Sales Cloud, Service Cloud, and ...
        Role Details * Role/Job Title: Salesforce Technical Lead * Work Location: Wokingham/Warwick * Hybrid Requirement: 3 days * Duration of Assignment: 6 months * Other Working Conditions: Work from Office for 3 days must - The Role - Seeking a highly skilled Salesforce Technical Lead to lead the design, development, and delivery of Salesforce solutions. The ideal candidate will have strong hands-on expertise in Salesforce development, proven experience in leading technical teams, and the ability to translate business requirements into robust, scalable technical solutions. Your Responsibilities - Development & Customization * Lead the design, development, and delivery of Salesforce technical solutions * Perform hands-on development using Apex, Lightning Web Components (LWC), Visualforce, and Salesforce Flows * Design and implement customized solutions across Sales Cloud, Service Cloud, and ...
        more

        Salesforce Solution Architect

        Stackstudio Digital Ltd.
        Wokingham (RG40)
        From £500 to £525 per day
        Role Details * Role/Job Title: Salesforce Solution Architect * Work Location: Warwick/Wokingham * Mode of Working: Hybrid * Hybrid Requirement: 3 days * Duration of Assignment: 6 months - The Role - Seeking a highly skilled Salesforce Architect with deep expertise in enterprise-scale Salesforce architecture, complex integrations, and large digital transformation programs. The Salesforce Architect will be responsible for defining end-to-end solution architecture, guiding delivery teams, and partnering with senior business and IT stakeholders to deliver scalable, secure, and business-aligned Salesforce solutions. This role requires strong technical depth, architectural vision, hands-on guidance, and excellent communication and leadership skills. Your Responsibilities - Architecture & Technical Leadership * Define and own the end-to-end Salesforce architecture across enterprise programs
        Role Details * Role/Job Title: Salesforce Solution Architect * Work Location: Warwick/Wokingham * Mode of Working: Hybrid * Hybrid Requirement: 3 days * Duration of Assignment: 6 months - The Role - Seeking a highly skilled Salesforce Architect with deep expertise in enterprise-scale Salesforce architecture, complex integrations, and large digital transformation programs. The Salesforce Architect will be responsible for defining end-to-end solution architecture, guiding delivery teams, and partnering with senior business and IT stakeholders to deliver scalable, secure, and business-aligned Salesforce solutions. This role requires strong technical depth, architectural vision, hands-on guidance, and excellent communication and leadership skills. Your Responsibilities - Architecture & Technical Leadership * Define and own the end-to-end Salesforce architecture across enterprise programs
        more

        Interim Power Platform Consultant

        Resourgenix Ltd
        Englefield Green, Egham (TW20), TW20 0EX
        From £461 to £461 per day
        Working as part of a small technical team and reporting to the Head of Digital Design and Delivery, this role is responsible for the design and implementation of solutions to provide operational efficiency using the Microsoft Power Platform. The role will support the needs of Professional Services and student-facing teams across the University by delivering practical, value-driven automation that enhances operational efficiency, service quality and user experience. The role will work closely with business stakeholders to co-design Power Platform based solutions, define requirements, and translate these into robust, scalable implementations. This includes building workflows using Power Automate and integrating with other APIs or Microsoft tools to meet specific operational challenges across various professional services teams.
        Working as part of a small technical team and reporting to the Head of Digital Design and Delivery, this role is responsible for the design and implementation of solutions to provide operational efficiency using the Microsoft Power Platform. The role will support the needs of Professional Services and student-facing teams across the University by delivering practical, value-driven automation that enhances operational efficiency, service quality and user experience. The role will work closely with business stakeholders to co-design Power Platform based solutions, define requirements, and translate these into robust, scalable implementations. This includes building workflows using Power Automate and integrating with other APIs or Microsoft tools to meet specific operational challenges across various professional services teams.
        more

        Software Engineer .NET

        Total Recruitment Group
        West London (W2)
        Up to £570 per day
        .NET Contract |Outside IR35 |£570/day | London | Hybrid (3 days in the office)| 12-months - We're working with one of the fast-scaling fintechs building innovative payments and financial services technology. With serious investment behind them and a growing engineering team. The Roles (x4) * Customer Onboarding (x2) Architecture-heavy squad rebuilding the critical customer onboarding journey into a clean, modular orchestration layer. * Incentive Engineering Internally-facing, revenue-critical team building the commission and invoicing systems that power the sales operations, with a AI/ML exposure a strong plus (Vertex AI, React, .NET, GCP). * Risk Experience High-integrity domain building a centralised risk and underwriting engine. What I'm Looking For * Strong commercial experience with .NET / C# * Fintech or payments background required
        .NET Contract |Outside IR35 |£570/day | London | Hybrid (3 days in the office)| 12-months - We're working with one of the fast-scaling fintechs building innovative payments and financial services technology. With serious investment behind them and a growing engineering team. The Roles (x4) * Customer Onboarding (x2) Architecture-heavy squad rebuilding the critical customer onboarding journey into a clean, modular orchestration layer. * Incentive Engineering Internally-facing, revenue-critical team building the commission and invoicing systems that power the sales operations, with a AI/ML exposure a strong plus (Vertex AI, React, .NET, GCP). * Risk Experience High-integrity domain building a centralised risk and underwriting engine. What I'm Looking For * Strong commercial experience with .NET / C# * Fintech or payments background required
        more
        FEATURED
        We are proud of our market leading integrations estate, and our Open API capabilities, and continue to build on these with our * Open API for customers, ecosystem partners and Advice firms * Propose and lead on business and partnership models (license, tiered API, embedded UX, or per-event pricing)
        We are proud of our market leading integrations estate, and our Open API capabilities, and continue to build on these with our * Open API for customers, ecosystem partners and Advice firms * Propose and lead on business and partnership models (license, tiered API, embedded UX, or per-event pricing)
        more
        This is not a generic SAP support role. If you have spent time in enterprise SAP environments and you want to go deeper, debugging real production issues, working alongside product engineers, and building expertise in a product used by some of the world's most complex organisations, this is worth reading. As an L2 Support Analyst at Basis Technologies, you sit at the technical heart of the customer experience. You take the hard cases, the ones that require real root cause analysis, ABAP debugging, and transport management expertise, and you solve them. You work directly with customers' technical teams, and when a defect needs escalating, you hand it to L3 Engineering with your analysis already done. Product depth, not project breadth. If you have come from a consultancy or SI background, you will know what it feels like to move on before you fully understand what you built.
        This is not a generic SAP support role. If you have spent time in enterprise SAP environments and you want to go deeper, debugging real production issues, working alongside product engineers, and building expertise in a product used by some of the world's most complex organisations, this is worth reading. As an L2 Support Analyst at Basis Technologies, you sit at the technical heart of the customer experience. You take the hard cases, the ones that require real root cause analysis, ABAP debugging, and transport management expertise, and you solve them. You work directly with customers' technical teams, and when a defect needs escalating, you hand it to L3 Engineering with your analysis already done. Product depth, not project breadth. If you have come from a consultancy or SI background, you will know what it feels like to move on before you fully understand what you built.
        more
        Are you an SAP engineer who has built software that shipped to real customers not just customised a single company's system? At Basis Technologies, we're looking for a Senior SAP UI5 Developer who thinks in products, not projects. Basis Technologies powers intelligent change management for SAP-run enterprises worldwide. You wouldn't be customising SAP. You'd be writing software that SAP-run businesses depend on to keep their production systems stable. This is a builder's role. Clean Core is a first-class principle here not a constraint we're retrofitting around, but the foundation we build on. UI5 is the primary front-end layer, and OData services and REST APIs are the standard integration pattern. ABAP still matters this is a deep SAP platform product but the mindset is product engineering, not enterprise customisation. If that distinction resonates with you, keep reading.
        Are you an SAP engineer who has built software that shipped to real customers not just customised a single company's system? At Basis Technologies, we're looking for a Senior SAP UI5 Developer who thinks in products, not projects. Basis Technologies powers intelligent change management for SAP-run enterprises worldwide. You wouldn't be customising SAP. You'd be writing software that SAP-run businesses depend on to keep their production systems stable. This is a builder's role. Clean Core is a first-class principle here not a constraint we're retrofitting around, but the foundation we build on. UI5 is the primary front-end layer, and OData services and REST APIs are the standard integration pattern. ABAP still matters this is a deep SAP platform product but the mindset is product engineering, not enterprise customisation. If that distinction resonates with you, keep reading.
        more
        Design, build and govern marketing data foundation tagging, tracking, pipelines and modelling to create a single source of truth across brand direct, paid, social and CRM. Enable faster, better decisions with accurate data, integrated views (GA4, Salesforce, Databricks, COGNOS) and insight products (dashboards, attribution/MMM). Be the primary point of contact for all tracking and data issues ensuring reliability, compliance and speed. Own tagging and tracking standards for web/app (GTM, GA4, CM360/Floodlight, Meta pixel/event manager, consent mode) Define and maintain the marketing KPI dictionary and data model; steward the single source of truth - Define data pipelines between martech platforms and enterprise solutions (Salesforce, COGNOS, Databricks) Set QA/alerting SLAs, prioritise analytics backlog
        Design, build and govern marketing data foundation tagging, tracking, pipelines and modelling to create a single source of truth across brand direct, paid, social and CRM. Enable faster, better decisions with accurate data, integrated views (GA4, Salesforce, Databricks, COGNOS) and insight products (dashboards, attribution/MMM). Be the primary point of contact for all tracking and data issues ensuring reliability, compliance and speed. Own tagging and tracking standards for web/app (GTM, GA4, CM360/Floodlight, Meta pixel/event manager, consent mode) Define and maintain the marketing KPI dictionary and data model; steward the single source of truth - Define data pipelines between martech platforms and enterprise solutions (Salesforce, COGNOS, Databricks) Set QA/alerting SLAs, prioritise analytics backlog
        more
        Location: Reading, UK - Publish Date: 11/12 /2025 - If you apply, please include your CV. Overview - CHAMP Cargosystems provides the most comprehensive range of integrated IT solutions and distribution services for the air cargo transport chain. Our portfolio spans core management systems, messaging services, and eCargo solutions. These include applications designed to meet customs and security requirements, quality optimization, as well as e-freight and mobility needs. Our products and services are recognized globally under the Cargospot and Traxon brands. We serve over 200 airlines and GSAs, connecting them with approximately 3,000 forwarders and GHAs worldwide. Our solutions help customers, and their clients, adapt to the critical and ongoing changes in air transport logistics and meet the demands of global trade.
        Location: Reading, UK - Publish Date: 11/12 /2025 - If you apply, please include your CV. Overview - CHAMP Cargosystems provides the most comprehensive range of integrated IT solutions and distribution services for the air cargo transport chain. Our portfolio spans core management systems, messaging services, and eCargo solutions. These include applications designed to meet customs and security requirements, quality optimization, as well as e-freight and mobility needs. Our products and services are recognized globally under the Cargospot and Traxon brands. We serve over 200 airlines and GSAs, connecting them with approximately 3,000 forwarders and GHAs worldwide. Our solutions help customers, and their clients, adapt to the critical and ongoing changes in air transport logistics and meet the demands of global trade.
        more

        456 exact matches jobs are outside your preferred location

        We are seeking a Platform Engineer to join the Modern Workplace team at a leading banking client. This team is focused on delivering a flexible, efficient, and seamless digital workplace experience, enabling colleagues to collaborate and perform effectively using enterprise tools such as Microsoft 365 and DocuSign. The successful candidate will be a key contributor to the Productivity Applications portfolio, responsible for configuring, maintaining, and enhancing platforms that support a high-performing digital workplace. Key Responsibilities * Configure, develop, and maintain solutions across the Productivity Applications platform * Contribute to the design and implementation of new digital workplace capabilities * Manage the end-to-end lifecycle of platform solutions, ensuring continuous improvement * Support business-as-usual changes and incremental enhancements
        We are seeking a Platform Engineer to join the Modern Workplace team at a leading banking client. This team is focused on delivering a flexible, efficient, and seamless digital workplace experience, enabling colleagues to collaborate and perform effectively using enterprise tools such as Microsoft 365 and DocuSign. The successful candidate will be a key contributor to the Productivity Applications portfolio, responsible for configuring, maintaining, and enhancing platforms that support a high-performing digital workplace. Key Responsibilities * Configure, develop, and maintain solutions across the Productivity Applications platform * Contribute to the design and implementation of new digital workplace capabilities * Manage the end-to-end lifecycle of platform solutions, ensuring continuous improvement * Support business-as-usual changes and incremental enhancements
        more
        PREMIUM

        Automation Engineer – Storage & Platform (Python / CI/CD / APIs)

        Essential Consulting
        South East London (SE1)
        Unspecified Competitive Daily Rate - Inside IR35
        Engineering API integrations between systems (REST APIs, authentication, error handling, retries, idempotency) * Hands-on experience with API integration and automation
        Engineering API integrations between systems (REST APIs, authentication, error handling, retries, idempotency) * Hands-on experience with API integration and automation
        more
        Strong knowledge of microservices architecture and API-based integrations. * Drive security architecture including authentication, authorization, data protection, and secure API communication.
        Strong knowledge of microservices architecture and API-based integrations. * Drive security architecture including authentication, authorization, data protection, and secure API communication.
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        Frequently Asked Questions

        How many contract API jobs are there in Slough?
        There are 21 contract API jobs within 20 miles of Slough available on CWJobs right now.

        What other similar jobs are there to contract API jobs in Slough?
        As well as contract API jobs in Slough, you can find contract IT, Software Development, Architecture, amongst many others.