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32 Part Time API jobs in West London + 10 miles
Full time - Experienced (relevant combo of work and education) Bachelor of Computer Science - 15 - 25% Every day, our teams innovate across the world of finance. We collaborate to work smarter, while making a difference. We believe in diversity and inclusivity, giving a voice to everyone on the team. And we celebrate our success together. If you want to make an impact in fintech, wed like to know: Are you FIS? As a Programmer Analyst at FIS, youll be at the forefront of fintech innovationdesigning and building next-generation solutions that redefine how the world pays, banks, and invests. Youll work with cutting-edge technologies to develop, implement, and support scalable software applications that power financial ecosystems globally. About the Team - Youll join a dynamic, cross-functional team of engineers, analysts, and product experts focused on delivering high-pe
Full time - Experienced (relevant combo of work and education) Bachelor of Computer Science - 15 - 25% Every day, our teams innovate across the world of finance. We collaborate to work smarter, while making a difference. We believe in diversity and inclusivity, giving a voice to everyone on the team. And we celebrate our success together. If you want to make an impact in fintech, wed like to know: Are you FIS? As a Programmer Analyst at FIS, youll be at the forefront of fintech innovationdesigning and building next-generation solutions that redefine how the world pays, banks, and invests. Youll work with cutting-edge technologies to develop, implement, and support scalable software applications that power financial ecosystems globally. About the Team - Youll join a dynamic, cross-functional team of engineers, analysts, and product experts focused on delivering high-pe
Want a 3D Career? Join Norgine. At Norgine, our colleagues Dare themselves to be different and try new things, Drive to achieve their goals and beyond, and Develop themselves and their community. We call it the 3D career at Norgine and it offers you a fully-rounded experience with no limits. Bring everything about yourself that youre proud of, whether thats your passion for making a difference, focus on others well-being, or intellectual curiosity to unleash in a fast-paced environment and supportive community. In return, get a sense of belonging, a long-term career with ongoing development and upskilling, and a company that cares about peoples wellness as much as you do. Norgine: Transforming Healthcare, Backed by Over a Century of Expertise. We have an exciting opportunity for an Enterprise Architect to join Norgine.
Want a 3D Career? Join Norgine. At Norgine, our colleagues Dare themselves to be different and try new things, Drive to achieve their goals and beyond, and Develop themselves and their community. We call it the 3D career at Norgine and it offers you a fully-rounded experience with no limits. Bring everything about yourself that youre proud of, whether thats your passion for making a difference, focus on others well-being, or intellectual curiosity to unleash in a fast-paced environment and supportive community. In return, get a sense of belonging, a long-term career with ongoing development and upskilling, and a company that cares about peoples wellness as much as you do. Norgine: Transforming Healthcare, Backed by Over a Century of Expertise. We have an exciting opportunity for an Enterprise Architect to join Norgine.
Join the API Revolution at GraviteeWhere Innovation Meets Growth - Since our beginnings in 2015, Gravitee has grown into a global force, recognized as a 2024 Gartner Magic Quadrant Leader for API Management. What started with four developers challenging the complexities of APIs has evolved into a revolutionary platform powering API and event stream ecosystems worldwide. Be part of a team thats redefining whats possible in API management, and shaping the future of digital transformation. * Ability to work for one of the fastest-growing companies and alongside some of the most talented people in the API technology sector
Join the API Revolution at GraviteeWhere Innovation Meets Growth - Since our beginnings in 2015, Gravitee has grown into a global force, recognized as a 2024 Gartner Magic Quadrant Leader for API Management. What started with four developers challenging the complexities of APIs has evolved into a revolutionary platform powering API and event stream ecosystems worldwide. Be part of a team thats redefining whats possible in API management, and shaping the future of digital transformation. * Ability to work for one of the fastest-growing companies and alongside some of the most talented people in the API technology sector
Join the API Revolution at GraviteeWhere Innovation Meets Growth - Since our beginnings in 2015, Gravitee has grown into a global force, recognized as a 2024 Gartner Magic Quadrant Leader for API Management. What started with four developers challenging the complexities of APIs has evolved into a revolutionary platform powering API and event stream ecosystems worldwide. Be part of a team thats redefining whats possible in API management, and shaping the future of digital transformation. * Experience working in middleware technology, ideally within API management, IAM or integration * Ability to work for one of the fastest-growing companies and alongside some of the most talented people in the API technology sector
Join the API Revolution at GraviteeWhere Innovation Meets Growth - Since our beginnings in 2015, Gravitee has grown into a global force, recognized as a 2024 Gartner Magic Quadrant Leader for API Management. What started with four developers challenging the complexities of APIs has evolved into a revolutionary platform powering API and event stream ecosystems worldwide. Be part of a team thats redefining whats possible in API management, and shaping the future of digital transformation. * Experience working in middleware technology, ideally within API management, IAM or integration * Ability to work for one of the fastest-growing companies and alongside some of the most talented people in the API technology sector
Join the API Revolution at GraviteeWhere Innovation Meets Growth - Since our beginnings in 2015, Gravitee has grown into a global force, recognized as a 2024 Gartner Magic Quadrant Leader for API Management. What started with four developers challenging the complexities of APIs has evolved into a revolutionary platform powering API and event stream ecosystems worldwide. Be part of a team thats redefining whats possible in API management, and shaping the future of digital transformation. Gravitee.io is taking APIs to the next level we are the premier, open source API platform and we want everyone to know how amazing our software is. * Ability to work for one of the fastest-growing companies and alongside some of the most talented people in the API technology sector
Join the API Revolution at GraviteeWhere Innovation Meets Growth - Since our beginnings in 2015, Gravitee has grown into a global force, recognized as a 2024 Gartner Magic Quadrant Leader for API Management. What started with four developers challenging the complexities of APIs has evolved into a revolutionary platform powering API and event stream ecosystems worldwide. Be part of a team thats redefining whats possible in API management, and shaping the future of digital transformation. Gravitee.io is taking APIs to the next level we are the premier, open source API platform and we want everyone to know how amazing our software is. * Ability to work for one of the fastest-growing companies and alongside some of the most talented people in the API technology sector
AMZN API, VMware automation, Puppet/Chef/Ansible, integration & automation expertise with orchestration
AMZN API, VMware automation, Puppet/Chef/Ansible, integration & automation expertise with orchestration
Proficiency in API technologies, including RESTful APIs and platforms such as Apigee, with the ability to lead teams in designing robust and secure integration architectures.
Proficiency in API technologies, including RESTful APIs and platforms such as Apigee, with the ability to lead teams in designing robust and secure integration architectures.
458 exact matches jobs are outside your preferred location
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D365 Senior Developer - D365 Finance, APIS, Azure
D365 Senior Developer - D365 Finance, APIS, Azure
Hays
London
£500.0 - £515.0 per day + up to £515 pd (InsideIR35)
Up to £515 per day (Inside IR35) Remote / must be UK based - 12 months - We're looking for an experienced D365 Finance & Operations Developer to lead the development of custom journal processing extensions. This role suits someone with strong X++ skills and a deep understanding of D365 Finance, especially in high-volume, cross-functional environments. * 5+ years in D365 F&O development (X++, data entities, extensions). * Experience with general ledger, journals, financial dimensions, and intercompany transactions. * Strong knowledge of Visual Studio, LCS, Azure DevOps, and CI/CD pipelines. * Proficient in Power BI: report creation, configuration, and export. * Skilled in workflows, security roles, SSRS, and unit testing (SysTest). * Familiar with DMF, OData, batch processing, and error handling. * Ability to optimize performance for high-volume transactions.
Up to £515 per day (Inside IR35) Remote / must be UK based - 12 months - We're looking for an experienced D365 Finance & Operations Developer to lead the development of custom journal processing extensions. This role suits someone with strong X++ skills and a deep understanding of D365 Finance, especially in high-volume, cross-functional environments. * 5+ years in D365 F&O development (X++, data entities, extensions). * Experience with general ledger, journals, financial dimensions, and intercompany transactions. * Strong knowledge of Visual Studio, LCS, Azure DevOps, and CI/CD pipelines. * Proficient in Power BI: report creation, configuration, and export. * Skilled in workflows, security roles, SSRS, and unit testing (SysTest). * Familiar with DMF, OData, batch processing, and error handling. * Ability to optimize performance for high-volume transactions.
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D365 Senior Developer - D365 Finance, APIS, Azure
D365 Senior Developer - D365 Finance, APIS, Azure
Hays
London
£500.0 - £515.0 per day + up to £515 pd (InsideIR35)
Up to £515 per day (Inside IR35) Remote / must be UK based - 12 months - We're looking for an experienced D365 Finance & Operations Developer to lead the development of custom journal processing extensions. This role suits someone with strong X++ skills and a deep understanding of D365 Finance, especially in high-volume, cross-functional environments. * Experience in D365 F&O development (X++, data entities, extensions). * Experience with general ledger, journals, financial dimensions, and intercompany transactions. * Strong knowledge of Visual Studio, LCS, Azure DevOps, and CI/CD pipelines. * Proficient in Power BI: report creation, configuration, and export. * Skilled in workflows, security roles, SSRS, and unit testing (SysTest). * Familiar with DMF, OData, batch processing, and error handling. * Ability to optimize performance for high-volume transactions.
Up to £515 per day (Inside IR35) Remote / must be UK based - 12 months - We're looking for an experienced D365 Finance & Operations Developer to lead the development of custom journal processing extensions. This role suits someone with strong X++ skills and a deep understanding of D365 Finance, especially in high-volume, cross-functional environments. * Experience in D365 F&O development (X++, data entities, extensions). * Experience with general ledger, journals, financial dimensions, and intercompany transactions. * Strong knowledge of Visual Studio, LCS, Azure DevOps, and CI/CD pipelines. * Proficient in Power BI: report creation, configuration, and export. * Skilled in workflows, security roles, SSRS, and unit testing (SysTest). * Familiar with DMF, OData, batch processing, and error handling. * Ability to optimize performance for high-volume transactions.
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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.
Up to £515 per day (Inside IR35) Remote / must be UK based - 12 months - My client is an instantly recognisable consultancy who seek a Senior Integration Developer, with active SC clearance and experience in Microsoft Dynamics 365 Finance, to lead the design and implementation of robust, secure, and scalable integrations for an end client. * Hands-on experience as a Senior Integration Developer, with D365 Finance integrations. * Active Security Clearance (SC) * Deep knowledge of REST APIs, OData, DMF packages, and data mapping (XSLT, XML, JSON, CSV). * Proficiency in tools like Postman, Azure Logic Apps, PowerShell, and C#. * Experience with ETL processes, error handling, idempotency, and throttling. * Strong understanding of secure data handling, encryption, and compliance standards. * Familiarity with monitoring tools like Application Insights and Log Analytics.
Up to £515 per day (Inside IR35) Remote / must be UK based - 12 months - My client is an instantly recognisable consultancy who seek a Senior Integration Developer, with active SC clearance and experience in Microsoft Dynamics 365 Finance, to lead the design and implementation of robust, secure, and scalable integrations for an end client. * Hands-on experience as a Senior Integration Developer, with D365 Finance integrations. * Active Security Clearance (SC) * Deep knowledge of REST APIs, OData, DMF packages, and data mapping (XSLT, XML, JSON, CSV). * Proficiency in tools like Postman, Azure Logic Apps, PowerShell, and C#. * Experience with ETL processes, error handling, idempotency, and throttling. * Strong understanding of secure data handling, encryption, and compliance standards. * Familiarity with monitoring tools like Application Insights and Log Analytics.
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Up to £515 per day (Inside IR35) Remote / must be UK based - 3 months initially (open to extension) My client is an instantly recognisable consultancy who seek a - to lead the design and implementation of robust, secure, and scalable integrations for an end client. * Hands-on experience as a Senior Integration Developer, with D365 Finance integrations. * Deep knowledge of REST APIs, OData, DMF packages, and data mapping (XSLT, XML, JSON, CSV). * Proficiency in tools like Postman, Azure Logic Apps, PowerShell, and C#. * Experience with ETL processes, error handling, idempotency, and throttling. * Strong understanding of secure data handling, encryption, and compliance standards. * Familiarity with monitoring tools like Application Insights and Log Analytics. * Industry experience within financial services * Experience with Microsoft Power Platform (Power Automate, Powe
Up to £515 per day (Inside IR35) Remote / must be UK based - 3 months initially (open to extension) My client is an instantly recognisable consultancy who seek a - to lead the design and implementation of robust, secure, and scalable integrations for an end client. * Hands-on experience as a Senior Integration Developer, with D365 Finance integrations. * Deep knowledge of REST APIs, OData, DMF packages, and data mapping (XSLT, XML, JSON, CSV). * Proficiency in tools like Postman, Azure Logic Apps, PowerShell, and C#. * Experience with ETL processes, error handling, idempotency, and throttling. * Strong understanding of secure data handling, encryption, and compliance standards. * Familiarity with monitoring tools like Application Insights and Log Analytics. * Industry experience within financial services * Experience with Microsoft Power Platform (Power Automate, Powe
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This role involves architecting cloud-native solutions using Azure Cosmos DB (SQL API and Mongo API), implementing effective partitioning strategies, indexing, and consistency models to support real-time financial data processing. * Architect and develop cloud-native applications using Azure Cosmos DB (SQL API, Mongo API)
This role involves architecting cloud-native solutions using Azure Cosmos DB (SQL API and Mongo API), implementing effective partitioning strategies, indexing, and consistency models to support real-time financial data processing. * Architect and develop cloud-native applications using Azure Cosmos DB (SQL API, Mongo API)
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Integration Engineer Contact (Outside IR35) - Oxfordshire
Integration Engineer Contact (Outside IR35) - Oxfordshire
Halian Technology Limited
OX1, Oxford
From £400 to £550 per day
Security awareness (especially around data flows and API access) RESTful API design and integration API authentication methods
Security awareness (especially around data flows and API access) RESTful API design and integration API authentication methods
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Salesforce Revenue Cloud Developer - Location: Remote - iO Associates is looking for a skilled Sales force Revenue Cloud Developer to join our client's growing team. In this role, you will play a key part in designing, building, and optimising Revenue Cloud solutions (CPQ & Billing) to support complex sales processes and streamline quote-to-cash operations. You will collaborate with architects, business stakeholders, and cross-functional teams to deliver scalable, high-quality Salesforce solutions. Key Responsibilities * Develop, customise, and enhance Salesforce Revenue Cloud (CPQ & Billing) features. * Design and implement end-to-end quote-to-cash solutions, including pricing, quoting, approvals, order management, and billing. * Build and maintain integrations between Revenue Cloud and other Salesforce clouds (Sales Cloud, Service Cloud) and third-party systems.
Salesforce Revenue Cloud Developer - Location: Remote - iO Associates is looking for a skilled Sales force Revenue Cloud Developer to join our client's growing team. In this role, you will play a key part in designing, building, and optimising Revenue Cloud solutions (CPQ & Billing) to support complex sales processes and streamline quote-to-cash operations. You will collaborate with architects, business stakeholders, and cross-functional teams to deliver scalable, high-quality Salesforce solutions. Key Responsibilities * Develop, customise, and enhance Salesforce Revenue Cloud (CPQ & Billing) features. * Design and implement end-to-end quote-to-cash solutions, including pricing, quoting, approvals, order management, and billing. * Build and maintain integrations between Revenue Cloud and other Salesforce clouds (Sales Cloud, Service Cloud) and third-party systems.
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I am currently working with a London-based Tier 1 investment bank who are actively seeking a Python Developer on a long-term contract basis. What you'll need to succeed * Strong Python programming experience within Financial Services - Mandatory * Good understanding of quantitative finance * Good experience developing and optimising Python-based calculators and models. * Strong experience developing high-performance APIs using Flask or FastAPI. * Expertise in Pandas, NumPy and other computing libraries. * Strong experience liaising with front-office stakeholders - What you'll get in return * Initial 6-month contract with extensions * Up to £700pd umbrella * London-based hybrid working - What you need to do now - If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now.
I am currently working with a London-based Tier 1 investment bank who are actively seeking a Python Developer on a long-term contract basis. What you'll need to succeed * Strong Python programming experience within Financial Services - Mandatory * Good understanding of quantitative finance * Good experience developing and optimising Python-based calculators and models. * Strong experience developing high-performance APIs using Flask or FastAPI. * Expertise in Pandas, NumPy and other computing libraries. * Strong experience liaising with front-office stakeholders - What you'll get in return * Initial 6-month contract with extensions * Up to £700pd umbrella * London-based hybrid working - What you need to do now - If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now.
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Strong experience with RESTful API integrations * Familiarity with authentication protocols (OAuth2, API keys)
Strong experience with RESTful API integrations * Familiarity with authentication protocols (OAuth2, API keys)
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Hands-on experience with Flask or FastAPI for API development.
Hands-on experience with Flask or FastAPI for API development.
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Your new role - You will be part of the team that will be responsible for developing and maintaining features for the iOS variant of the App. Working in a multi-disciplinary team of tech, design, business, product, infrastructure and test, you will help to design, develop, test and deliver new features while also - maintaining existing features. You will be involved throughout the entire product lifecycle being chiefly responsible for - producing high-quality, performant, well-documented and tested features that deliver a first-class experience to millions of users across England. Resonsibilities - Work with a multi-disciplinary team to design, document and develop high quality, scalable solutions for the NHS App's iOS application using Swift and Swift UI. - Create appropriate unit and integration tests for your work.
Your new role - You will be part of the team that will be responsible for developing and maintaining features for the iOS variant of the App. Working in a multi-disciplinary team of tech, design, business, product, infrastructure and test, you will help to design, develop, test and deliver new features while also - maintaining existing features. You will be involved throughout the entire product lifecycle being chiefly responsible for - producing high-quality, performant, well-documented and tested features that deliver a first-class experience to millions of users across England. Resonsibilities - Work with a multi-disciplinary team to design, document and develop high quality, scalable solutions for the NHS App's iOS application using Swift and Swift UI. - Create appropriate unit and integration tests for your work.
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I am currently working with a London-based Tier 1 investment bank who are actively seeking a Python Developer on a long-term contract basis. What you'll need to succeed * Strong Python programming experience within Financial Services - Mandatory * Good understanding of quantitative finance * Good experience developing and optimising Python-based calculators and models. * Strong experience developing high-performance APIs using Flask or FastAPI. * Expertise in Pandas, NumPy and other computing libraries. * Strong experience liaising with front-office stakeholders - What you'll get in return * Initial 6-month contract with extensions * Up to £700pd umbrella * London-based hybrid working - What you need to do nowIf you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now.
I am currently working with a London-based Tier 1 investment bank who are actively seeking a Python Developer on a long-term contract basis. What you'll need to succeed * Strong Python programming experience within Financial Services - Mandatory * Good understanding of quantitative finance * Good experience developing and optimising Python-based calculators and models. * Strong experience developing high-performance APIs using Flask or FastAPI. * Expertise in Pandas, NumPy and other computing libraries. * Strong experience liaising with front-office stakeholders - What you'll get in return * Initial 6-month contract with extensions * Up to £700pd umbrella * London-based hybrid working - What you need to do nowIf you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now.
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London - hybrid - 8 Months+ Inside IR35- Umbrella only * Proficient with React Native and Expo open source modules (bare workflow) * Strong React fundamentals: hooks, context, state management * React Navigation, app routing JavaScript & TypeScript * Advanced JavaScript (ES6+) and TypeScript * Type safety and maintainability for large-scale projects * Native Platform Integration Swift (iOS) and Kotlin (Android) for custom native modules * Native module integration in Expo * React Native projects * State Management & Storage Redux for complex state management MMKV for high-performance key-value storage * Architecture & APIs System Design * Deep expertise in complex React Native architectures and patterns * Subject matter expert for technical problem-solving and architectural guidance * Designs solutions for the most challenging technical requirements GraphQL Integratio
London - hybrid - 8 Months+ Inside IR35- Umbrella only * Proficient with React Native and Expo open source modules (bare workflow) * Strong React fundamentals: hooks, context, state management * React Navigation, app routing JavaScript & TypeScript * Advanced JavaScript (ES6+) and TypeScript * Type safety and maintainability for large-scale projects * Native Platform Integration Swift (iOS) and Kotlin (Android) for custom native modules * Native module integration in Expo * React Native projects * State Management & Storage Redux for complex state management MMKV for high-performance key-value storage * Architecture & APIs System Design * Deep expertise in complex React Native architectures and patterns * Subject matter expert for technical problem-solving and architectural guidance * Designs solutions for the most challenging technical requirements GraphQL Integratio
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Strong application security knowledge (OWASP Top 10, API security).
Strong application security knowledge (OWASP Top 10, API security).
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Strong application security knowledge (OWASP Top 10, API security).
Strong application security knowledge (OWASP Top 10, API security).
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New Senior Data Engineer Contract Roles We have multiple new Senior Data Engineer Contract roles for a London based financial services client of ours. This would be working on a greenfield project in a new team building out a digital platform. This is outside IR35, 1-2 days per week onsite in London and initial 6 month contract and an immediate start. The ideal candidate will be a data engineer from a software engineering background with machine learning experience. The rate available for this position is: £550-575pd * ETL / Data Pipelines / Data Integration * Python & Java (for building data pipelines & APIs) * Snowflake * AWS * Machine Learning * React or Angular Please apply directly or email me your CV on
New Senior Data Engineer Contract Roles We have multiple new Senior Data Engineer Contract roles for a London based financial services client of ours. This would be working on a greenfield project in a new team building out a digital platform. This is outside IR35, 1-2 days per week onsite in London and initial 6 month contract and an immediate start. The ideal candidate will be a data engineer from a software engineering background with machine learning experience. The rate available for this position is: £550-575pd * ETL / Data Pipelines / Data Integration * Python & Java (for building data pipelines & APIs) * Snowflake * AWS * Machine Learning * React or Angular Please apply directly or email me your CV on
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Proficiency in PowerShell scripting and automation using API's and infrastructure as code. (Terraform/Github)
Proficiency in PowerShell scripting and automation using API's and infrastructure as code. (Terraform/Github)
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Locations
- London
- Hounslow
- South West London
- City of London
- Central London
- North West London
- Isleworth
- Southwark
- Mayfair
- West End
- Uxbridge
- East London
- Heathrow
- Slough
- South East London
- North London
- Milton Keynes
- Watford
- Surrey
- Reading
- Oxford
- Berkshire
- South East
- Glasgow
- Cambridge
- Windsor
- Bristol
- Cardiff
- Kent
- Birmingham
- Orpington
- Essex
- Manchester
- North West
- Hemel Hempstead
- Maidenhead
- Stevenage
- Leeds
- Bracknell
- Liverpool
- Buckinghamshire
- Shoreditch, East London
- Brighton
- Luton
- Hertfordshire