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29 Contract API jobs in Soho, Central London (W1) + 10 miles
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Experience implementing REST APIs (knowledge in API security would be a plus), unit tests and using a test-driven development approach and associated testing tools
Experience implementing REST APIs (knowledge in API security would be a plus), unit tests and using a test-driven development approach and associated testing tools
FEATUREDNEW
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It will be nice if you have experience working with Python, React, Lambda, DynamoDB, S3, AppSync/GraphQL, API Gateway, Step Functions etc
It will be nice if you have experience working with Python, React, Lambda, DynamoDB, S3, AppSync/GraphQL, API Gateway, Step Functions etc
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Up to £600 per day Outside IR35 - London (Hybrid) The Role - As a Product Owner with a specialist focus on data mapping, you’ll be at the heart of enabling robust, scalable, and intelligent data flows across our internal systems. You'll define and deliver product capabilities that ensure seamless data flow between systems, APIs, and third-party platforms, driving clarity, consistency, and business value across our data landscape. * Own the data mapping product area from vision to execution. * Translate business needs into detailed data mapping requirements and user stories. * Collaborate with engineering, data, and compliance teams to implement mappings across internal systems. * Ensure data accuracy, consistency, and traceability across the platform. * Maintain documentation and support agile delivery practices.
Up to £600 per day Outside IR35 - London (Hybrid) The Role - As a Product Owner with a specialist focus on data mapping, you’ll be at the heart of enabling robust, scalable, and intelligent data flows across our internal systems. You'll define and deliver product capabilities that ensure seamless data flow between systems, APIs, and third-party platforms, driving clarity, consistency, and business value across our data landscape. * Own the data mapping product area from vision to execution. * Translate business needs into detailed data mapping requirements and user stories. * Collaborate with engineering, data, and compliance teams to implement mappings across internal systems. * Ensure data accuracy, consistency, and traceability across the platform. * Maintain documentation and support agile delivery practices.
FEATUREDNEW
We are looking for a candidate that is used to working in a lean team and able to manage the API integration workstream.
We are looking for a candidate that is used to working in a lean team and able to manage the API integration workstream.
FEATUREDNEW
Are you passionate about building world-class API platforms that enable innovation at scale? A fast-growing FinTech is seeking a Platform Product Owner to shape the future of their API services – supporting both internal engineering teams and external partners. * Proven experience managing credit platforms/API product from a FinTech or financial sercvices business
Are you passionate about building world-class API platforms that enable innovation at scale? A fast-growing FinTech is seeking a Platform Product Owner to shape the future of their API services – supporting both internal engineering teams and external partners. * Proven experience managing credit platforms/API product from a FinTech or financial sercvices business
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6 months - London - hybrid x2 day onsite x3 remote - Active SC cleared or eligible candidates will be considered - Inside ir35 - umbrella only - This is an ideal role for an architect who is looking for a new challenge to help implement data strategy across a complex programme which is at the heart of the core UK Brexit capability. The ideal candidate will be responsible for designing, implementing, and maintaining our Dynatrace-based monitoring and observability solution, ensuring optimal performance, scalability, and reliability of our enterprise applications and infrastructure. The candidate will be working in a multi-supplier team and will be responsible for leading team members. Essential skills and experience * Dynatrace is MANDATORY "Application Architect with experience of working in a distributed enterprise landscape.
6 months - London - hybrid x2 day onsite x3 remote - Active SC cleared or eligible candidates will be considered - Inside ir35 - umbrella only - This is an ideal role for an architect who is looking for a new challenge to help implement data strategy across a complex programme which is at the heart of the core UK Brexit capability. The ideal candidate will be responsible for designing, implementing, and maintaining our Dynatrace-based monitoring and observability solution, ensuring optimal performance, scalability, and reliability of our enterprise applications and infrastructure. The candidate will be working in a multi-supplier team and will be responsible for leading team members. Essential skills and experience * Dynatrace is MANDATORY "Application Architect with experience of working in a distributed enterprise landscape.
FEATUREDNEW
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Be aware they maybe needed onsite 2/3 days a week - London - This is an ideal role for an architect who is looking for a new challenge to help implement data strategy across a complex programme which is at the heart of the core UK Brexit capability. The ideal candidate will be responsible for designing, implementing, and maintaining our Dynatrace-based monitoring and observability solution, ensuring optimal performance, scalability, and reliability of our enterprise applications and infrastructure. The candidate will be working in a multi-supplier team and will be responsible for leading team members - Dynatrace is MANDATORY 'Application Architect with experience of working in a distributed enterprise landscape. Some experience of broad spectrum integration patterns, web services, xml, wsdl, json/REST, APIs, batch workloads.
Be aware they maybe needed onsite 2/3 days a week - London - This is an ideal role for an architect who is looking for a new challenge to help implement data strategy across a complex programme which is at the heart of the core UK Brexit capability. The ideal candidate will be responsible for designing, implementing, and maintaining our Dynatrace-based monitoring and observability solution, ensuring optimal performance, scalability, and reliability of our enterprise applications and infrastructure. The candidate will be working in a multi-supplier team and will be responsible for leading team members - Dynatrace is MANDATORY 'Application Architect with experience of working in a distributed enterprise landscape. Some experience of broad spectrum integration patterns, web services, xml, wsdl, json/REST, APIs, batch workloads.
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IT Application Owner – Salesforce Cloud, MuleSoft & Shield
IT Application Owner – Salesforce Cloud, MuleSoft & Shield
7P UK Ltd
W2, West London
From £500 to £550 per day
Define and maintainrobust API contractsto guarantee seamless, consistent, and stable integrations with other systems.
Define and maintainrobust API contractsto guarantee seamless, consistent, and stable integrations with other systems.
FEATURED
IT Application Owner - Enterprise Application & Integration
IT Application Owner - Enterprise Application & Integration
7P UK Ltd
W2, West London
From £500 to £550 per day
Ensure robust API contracts that enable consistent and stable integrations with surrounding systems.
Ensure robust API contracts that enable consistent and stable integrations with surrounding systems.
FEATURED
IT Application Owner – Salesforce Comms Cloud / CPQ
IT Application Owner – Salesforce Comms Cloud / CPQ
7P UK Ltd
W2, West London
From £500 to £550 per day
Define and maintain API contracts, ensuring stable and scalable integrations with adjacent systems.
Define and maintain API contracts, ensuring stable and scalable integrations with adjacent systems.
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Cardiff Based - Hybrid Working - A large financial organisation is seeking a diligent Business Test Analyst to support the development of business test strategies and test plans. This role involves collaborating with various stakeholders to ensure the delivery of high-quality testing outcomes that align with business requirements. Responsibilities * Contribute to and support the development of business test strategies and test plans across multiple markets. * Demonstrate strong capabilities in functional and business acceptance testing while collaborating effectively with business stakeholders. * Translate business requirements and operational workflows into test scenarios and relevant test cases. * Define, document, and maintain business test scenarios and test cases in collaboration with business stakeholders, analysts, and product teams.
Cardiff Based - Hybrid Working - A large financial organisation is seeking a diligent Business Test Analyst to support the development of business test strategies and test plans. This role involves collaborating with various stakeholders to ensure the delivery of high-quality testing outcomes that align with business requirements. Responsibilities * Contribute to and support the development of business test strategies and test plans across multiple markets. * Demonstrate strong capabilities in functional and business acceptance testing while collaborating effectively with business stakeholders. * Translate business requirements and operational workflows into test scenarios and relevant test cases. * Define, document, and maintain business test scenarios and test cases in collaboration with business stakeholders, analysts, and product teams.
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.NET Developer | Contract £500-550pd (Outisde IR35)
.NET Developer | Contract £500-550pd (Outisde IR35)
Wilson Brown Limited
EC1, City of London
From £500 to £550 per day
Contract .NET Developer - £500-550pd .NET | Azure | C# | SQL | Insurance - Location:Central London 2 days pw - Senior .NET Engineer required by our established Insurance client, to work on their market-leading product utilizing the .NET stack. Recognized as a leading InsureTech, you will be working in a growing technology team renowned for its high-performance engineering environment. * Backend software development experience, with expertise in C#, .NET, SQL and Azure. * Proficient in designing and developing APIs with a focus on performance, scalability, and security. * Extensive experience in cloud environments (preferably MS Azure), specializing in microservices and serverless architecture. * Familiarity with JavaScript and/or TypeScript and ReactJS. * Proficiency in agile methodologies and cross-team collaboration.
Contract .NET Developer - £500-550pd .NET | Azure | C# | SQL | Insurance - Location:Central London 2 days pw - Senior .NET Engineer required by our established Insurance client, to work on their market-leading product utilizing the .NET stack. Recognized as a leading InsureTech, you will be working in a growing technology team renowned for its high-performance engineering environment. * Backend software development experience, with expertise in C#, .NET, SQL and Azure. * Proficient in designing and developing APIs with a focus on performance, scalability, and security. * Extensive experience in cloud environments (preferably MS Azure), specializing in microservices and serverless architecture. * Familiarity with JavaScript and/or TypeScript and ReactJS. * Proficiency in agile methodologies and cross-team collaboration.
La Fosse are currently partnered with a customer who are looking to recruit a Cloud and Infrastructure Engineer into their team, on an initial 6 month contract, with a view to extend to 12 months. This role is outside IR35, paying £500 per day and will be 50/50 between office and home working. The office location for this role is Central London. We are looking for a highly motivated Cloud Infrastructure Engineer to build and manage our cloud estate. As the Cloud Infrastructure Engineer you will work alongside our developers, data engineers and 3rd party vendors to build and design both internally built workloads and off the shelf solutions in a resilient and reliable manner. You will also be providing both reactive and pro-active operational support of the environment. * Extensive hands-on cloud infrastructure management including backups, disaster recovery, specifica
La Fosse are currently partnered with a customer who are looking to recruit a Cloud and Infrastructure Engineer into their team, on an initial 6 month contract, with a view to extend to 12 months. This role is outside IR35, paying £500 per day and will be 50/50 between office and home working. The office location for this role is Central London. We are looking for a highly motivated Cloud Infrastructure Engineer to build and manage our cloud estate. As the Cloud Infrastructure Engineer you will work alongside our developers, data engineers and 3rd party vendors to build and design both internally built workloads and off the shelf solutions in a resilient and reliable manner. You will also be providing both reactive and pro-active operational support of the environment. * Extensive hands-on cloud infrastructure management including backups, disaster recovery, specifica
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Python Engineer | Central London (Hybrid) | £600-650pd
Python Engineer | Central London (Hybrid) | £600-650pd
Wilson Brown Limited
EC1, City of London
From £600 to £650 per day
Collaborate on Infrastructure as Code, CI/CD pipelines, and application/ API security standards
Collaborate on Infrastructure as Code, CI/CD pipelines, and application/ API security standards
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Mechanical Shift Leader
Mechanical Shift Leader
GH Engage Limited
The City, EC2M 7PY
£62000 - £65500 per annum + 9% Pension, 26 shifts annual leave, & more
*Exceptional client-side benefits (listed below). - Commercial Building Maintenance - Continental Shift Pattern (days & nights) Are you a fully qualified Mechanical Maintenance Engineer? Do you have experience working within business-critical environments? Due to contract expansion, we are currently recruiting for an experienced Critical Maintenance Supervisor to work within a high-end corporate/critical premises within the City of London carrying out PPMs and Reactive Maintenance within a team of engineers. This role is working on a day and night shift basis. There is no call out on the contract but there is available paid overtime. * Carry out PPMs and Reactive Maintenance duties. * AHUs/FCUs (coil cleans, filter changes, belt changes), boiler resets, chiller checks, heat exchangers, pressurisation units, booster sets, cooling towers, expansion valves, basic water .
*Exceptional client-side benefits (listed below). - Commercial Building Maintenance - Continental Shift Pattern (days & nights) Are you a fully qualified Mechanical Maintenance Engineer? Do you have experience working within business-critical environments? Due to contract expansion, we are currently recruiting for an experienced Critical Maintenance Supervisor to work within a high-end corporate/critical premises within the City of London carrying out PPMs and Reactive Maintenance within a team of engineers. This role is working on a day and night shift basis. There is no call out on the contract but there is available paid overtime. * Carry out PPMs and Reactive Maintenance duties. * AHUs/FCUs (coil cleans, filter changes, belt changes), boiler resets, chiller checks, heat exchangers, pressurisation units, booster sets, cooling towers, expansion valves, basic water .
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Senior Salesforce Administrator
Senior Salesforce Administrator
Headliners Recruitment
W1G, West London
From £35,000 to £45,000 per annum
Youll collaborate with internal stakeholders across sales and finance, as well as external consultants, to deliver a seamless Salesforce-to-finance platform integrationfeaturing functionality such as API-enabled invoicing, automated workflows, e-signature templates, and more. * Coordinate API connection testing with third-party vendors
Youll collaborate with internal stakeholders across sales and finance, as well as external consultants, to deliver a seamless Salesforce-to-finance platform integrationfeaturing functionality such as API-enabled invoicing, automated workflows, e-signature templates, and more. * Coordinate API connection testing with third-party vendors
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6 months - London - hybrid x2 day onsite x3 remote - Active SC cleared or eligible candidates will be considered - Inside ir35 - umbrella only - This is an ideal role for an architect who is looking for a new challenge to help implement data strategy across a complex programme which is at the heart of the core UK Brexit capability. The ideal candidate will be responsible for designing, implementing, and maintaining our Dynatrace-based monitoring and observability solution, ensuring optimal performance, scalability, and reliability of our enterprise applications and infrastructure. The candidate will be working in a multi-supplier team and will be responsible for leading team members. Essential skills and experience * Dynatrace is MANDATORY 'Application Architect with experience of working in a distributed enterprise landscape.
6 months - London - hybrid x2 day onsite x3 remote - Active SC cleared or eligible candidates will be considered - Inside ir35 - umbrella only - This is an ideal role for an architect who is looking for a new challenge to help implement data strategy across a complex programme which is at the heart of the core UK Brexit capability. The ideal candidate will be responsible for designing, implementing, and maintaining our Dynatrace-based monitoring and observability solution, ensuring optimal performance, scalability, and reliability of our enterprise applications and infrastructure. The candidate will be working in a multi-supplier team and will be responsible for leading team members. Essential skills and experience * Dynatrace is MANDATORY 'Application Architect with experience of working in a distributed enterprise landscape.
PREMIUM
6 months - Remote - Inside IR35 - Umbrella only - We are seeking a highly technical ServiceNow Developer with in-depth expertise in IT Service Management (ITSM) and IT Operations Management (ITOM). The ideal candidate will design, develop, and implement solutions within the ServiceNow platform, optimizing IT processes and ensuring seamless service delivery in complex IT environments. * ServiceNow Development: Customize and configure ITSM and ITOM modules, including Incident, Change, Problem, Request Management, Discovery, Event Management, and Orchestration. * Technical Expertise: Develop and maintain workflows, scripts, and integrations to support ITSM/ITOM functionalities. * Collaboration: Work closely with cross-functional teams to align ServiceNow implementations with organizational goals. * Troubleshooting: Identify and resolve technical issues within the Service
6 months - Remote - Inside IR35 - Umbrella only - We are seeking a highly technical ServiceNow Developer with in-depth expertise in IT Service Management (ITSM) and IT Operations Management (ITOM). The ideal candidate will design, develop, and implement solutions within the ServiceNow platform, optimizing IT processes and ensuring seamless service delivery in complex IT environments. * ServiceNow Development: Customize and configure ITSM and ITOM modules, including Incident, Change, Problem, Request Management, Discovery, Event Management, and Orchestration. * Technical Expertise: Develop and maintain workflows, scripts, and integrations to support ITSM/ITOM functionalities. * Collaboration: Work closely with cross-functional teams to align ServiceNow implementations with organizational goals. * Troubleshooting: Identify and resolve technical issues within the Service
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Hybrid wiorking - 2 days a week in London - We are seeking an experienced D365 CRM Developer to join our team on a 6-month contract basis to support the upgrade of our CRM system from Dynamics 2011 to D365 CE (Customer Engagement) Online. * Upgrade Support: Assist in the migration of CRM data, customizations, and configurations from Dynamics 2011 to D365 CE Online. * Customisation & Development: Develop custom plugins, workflows, and integrations within Dynamics 365 CRM using C#, JavaScript, and Power Platform tools (Power Automate, PowerApps, etc.). * Troubleshooting & Issue Resolution: Provide technical support during the migration and resolve any issues related to the upgrade process. * System Configuration & Customization: Configure and customize D365 CRM modules, including Sales, Customer Service, and Marketing, to meet business requirements.
Hybrid wiorking - 2 days a week in London - We are seeking an experienced D365 CRM Developer to join our team on a 6-month contract basis to support the upgrade of our CRM system from Dynamics 2011 to D365 CE (Customer Engagement) Online. * Upgrade Support: Assist in the migration of CRM data, customizations, and configurations from Dynamics 2011 to D365 CE Online. * Customisation & Development: Develop custom plugins, workflows, and integrations within Dynamics 365 CRM using C#, JavaScript, and Power Platform tools (Power Automate, PowerApps, etc.). * Troubleshooting & Issue Resolution: Provide technical support during the migration and resolve any issues related to the upgrade process. * System Configuration & Customization: Configure and customize D365 CRM modules, including Sales, Customer Service, and Marketing, to meet business requirements.
FEATUREDNEW
Support and configure Axway solutions, such as API management and B2B gateway.
Support and configure Axway solutions, such as API management and B2B gateway.
FEATUREDNEW
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Senior Salesforce Consultant (Contract) - iMIS CRM Experience?? London-based office | Fully Remote?? Contract Position | £450/day - £500/day (Outside IR35) Are you a seasoned Salesforce Consultant with a passion for solving complex CRM challenges? We're looking for a highly skilled professional with recent or past experience working with iMIS CRM, ready to hit the ground running in a fast-paced consulting environment. This is a fully remote contract role supporting our London-based team, offering you the flexibility to work from anywhere while delivering impact to clients across sectors. Key Responsibilities * Lead the design, configuration, and implementation of Salesforce solutions tailored to client needs * Integrate and optimize Salesforce with iMIS CRM systems, ensuring seamless functionality and data flow
Senior Salesforce Consultant (Contract) - iMIS CRM Experience?? London-based office | Fully Remote?? Contract Position | £450/day - £500/day (Outside IR35) Are you a seasoned Salesforce Consultant with a passion for solving complex CRM challenges? We're looking for a highly skilled professional with recent or past experience working with iMIS CRM, ready to hit the ground running in a fast-paced consulting environment. This is a fully remote contract role supporting our London-based team, offering you the flexibility to work from anywhere while delivering impact to clients across sectors. Key Responsibilities * Lead the design, configuration, and implementation of Salesforce solutions tailored to client needs * Integrate and optimize Salesforce with iMIS CRM systems, ensuring seamless functionality and data flow
FEATURED
Senior Salesforce Consultant (Contract) - iMIS CRM Experience?? London-based office | Fully Remote?? Contract Position | £450/day - £500/day (Outside IR35) Are you a seasoned Salesforce Consultant with a passion for solving complex CRM challenges? We're looking for a highly skilled professional with recent or past experience working with iMIS CRM, ready to hit the ground running in a fast-paced consulting environment. This is a fully remote contract role supporting our London-based team, offering you the flexibility to work from anywhere while delivering impact to clients across sectors. Key Responsibilities * Lead the design, configuration, and implementation of Salesforce solutions tailored to client needs * Integrate and optimize Salesforce with iMIS CRM systems, ensuring seamless functionality and data flow
Senior Salesforce Consultant (Contract) - iMIS CRM Experience?? London-based office | Fully Remote?? Contract Position | £450/day - £500/day (Outside IR35) Are you a seasoned Salesforce Consultant with a passion for solving complex CRM challenges? We're looking for a highly skilled professional with recent or past experience working with iMIS CRM, ready to hit the ground running in a fast-paced consulting environment. This is a fully remote contract role supporting our London-based team, offering you the flexibility to work from anywhere while delivering impact to clients across sectors. Key Responsibilities * Lead the design, configuration, and implementation of Salesforce solutions tailored to client needs * Integrate and optimize Salesforce with iMIS CRM systems, ensuring seamless functionality and data flow
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We are seeking a highly skilled and experienced Back-End Developer with advanced expertise in Go (Golang), data analytics, and cloud-based backend services. This individual will play a key role in building scalable APIs, processing data pipelines, and supporting front-end web applications with real-time analytics and insights * Design and implement RESTful APIs and GraphQL endpoints to support front-end applications. * Process and optimize large-scale data pipelines for real-time analytics and reporting. * Write clean, maintainable, and efficient code that adheres to best practices and coding standards. * Utilize AWS cloud services for scalable and secure backend application deployment. * Ensure robust data storage and management using PostgreSQL and other database solutions. * Implement authentication, authorization, and security best practices in backend services.
We are seeking a highly skilled and experienced Back-End Developer with advanced expertise in Go (Golang), data analytics, and cloud-based backend services. This individual will play a key role in building scalable APIs, processing data pipelines, and supporting front-end web applications with real-time analytics and insights * Design and implement RESTful APIs and GraphQL endpoints to support front-end applications. * Process and optimize large-scale data pipelines for real-time analytics and reporting. * Write clean, maintainable, and efficient code that adheres to best practices and coding standards. * Utilize AWS cloud services for scalable and secure backend application deployment. * Ensure robust data storage and management using PostgreSQL and other database solutions. * Implement authentication, authorization, and security best practices in backend services.
It will be nice if you have experience working with Python, React, Lambda, DynamoDB, S3, AppSync/GraphQL, API Gateway, Step Functions etc
It will be nice if you have experience working with Python, React, Lambda, DynamoDB, S3, AppSync/GraphQL, API Gateway, Step Functions etc
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ServiceNow CSM Developer (Contract) * Hybrid: London HQ - 2 Days a Month * Duration: 6 Months Initial + Potential Further Extensions * Rate: £600 - £700 Inside IR35 (Via Umbrella) We are seeking an experienced ServiceNow CSM Developer. You will design and deliver scalable, secure, and high-performing solutions. In this role, you will collaborate with clients, develop Service Portal components, and integrate them with various systems. * Develop and customise ServiceNow Service Portal pages, widgets, and components using HTML, CSS, JavaScript, and ServiceNow scripting. * Extend portal functionality with ServiceNow APIs and integrations. * Ensure responsive, user-friendly design and best practices. * Work with cross-functional teams to integrate the portal with ServiceNow modules and external systems. * Conduct testing, troubleshoot issues, and support end users.
ServiceNow CSM Developer (Contract) * Hybrid: London HQ - 2 Days a Month * Duration: 6 Months Initial + Potential Further Extensions * Rate: £600 - £700 Inside IR35 (Via Umbrella) We are seeking an experienced ServiceNow CSM Developer. You will design and deliver scalable, secure, and high-performing solutions. In this role, you will collaborate with clients, develop Service Portal components, and integrate them with various systems. * Develop and customise ServiceNow Service Portal pages, widgets, and components using HTML, CSS, JavaScript, and ServiceNow scripting. * Extend portal functionality with ServiceNow APIs and integrations. * Ensure responsive, user-friendly design and best practices. * Work with cross-functional teams to integrate the portal with ServiceNow modules and external systems. * Conduct testing, troubleshoot issues, and support end users.
FEATURED