Date posted
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Locations
Locations
Salaries
Date posted
Type of Company
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3 Contract API jobs in Cambridgeshire + 20 miles
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C# Engineer (Blazor Experience)
C# Engineer (Blazor Experience)
Hays
MK1, Milton Keynes
£350.0 - £400.0 per day + £350 - 400 per day Outside IR35
Role OverviewOur client based in Milton Keynes is looking for a passionate and skilled C# Engineer with proven experience in Blazor to join their growing development team. This is a fantastic opportunity to work on high-performance web applications in a collaborative and innovative environment. You'll be working closely with a talented team of developers, designers, and product managers to deliver cutting-edge solutions that drive real value. Responsibilities * Build and maintain interactive, scalable web applications using Blazor and .NET technologies. * Collaborate with cross-functional teams to define, design, and implement new features. * Ensure code quality through code reviews, unit testing, and adherence to best practices. * Troubleshoot and resolve issues across the full stack. * Contribute to technical discussions and share knowledge with the wider team.
Role OverviewOur client based in Milton Keynes is looking for a passionate and skilled C# Engineer with proven experience in Blazor to join their growing development team. This is a fantastic opportunity to work on high-performance web applications in a collaborative and innovative environment. You'll be working closely with a talented team of developers, designers, and product managers to deliver cutting-edge solutions that drive real value. Responsibilities * Build and maintain interactive, scalable web applications using Blazor and .NET technologies. * Collaborate with cross-functional teams to define, design, and implement new features. * Ensure code quality through code reviews, unit testing, and adherence to best practices. * Troubleshoot and resolve issues across the full stack. * Contribute to technical discussions and share knowledge with the wider team.
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REST API development
REST API development
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Implement schema registries, data contracts, and API-first data governance.
Implement schema registries, data contracts, and API-first data governance.
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53 exact matches jobs are outside your preferred location
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A top-tier defense organization is looking for an experienced Axway API Developer / Administrator to join their team on a 6-month contract. * Axway's core products: Policy Studio, API Gateway, and API Manager. If you are an experienced professional with a background in API, MFT, or secure file transfers, this could be the perfect opportunity for you.
A top-tier defense organization is looking for an experienced Axway API Developer / Administrator to join their team on a 6-month contract. * Axway's core products: Policy Studio, API Gateway, and API Manager. If you are an experienced professional with a background in API, MFT, or secure file transfers, this could be the perfect opportunity for you.
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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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Business Analyst, Data Integration, Order Fulfilment
Business Analyst, Data Integration, Order Fulfilment
Harvey Nash
London
£600 - £650 per day + Inside IR35
£600- £650pd via Umbrella London (Remote) A global technology Financial Services business are currently seeking a Business Analyst to join them on a long term contract in London. The role requires excellent data integration and process change experience, alongside direct order to fulfilment/ order to cash experience. This will be alongside direct Mulesoft or SAP experience. * Experience working as a Business Analyst in a global Financial Services or Technology business * Experience working with SAP or MuleSoft * Excellent Data Integration experience * Direct Order to Fulfilment, Order to Cash experience * Very strong verbal and written communication skills If you meet these requirements please apply for immediate consideration.
£600- £650pd via Umbrella London (Remote) A global technology Financial Services business are currently seeking a Business Analyst to join them on a long term contract in London. The role requires excellent data integration and process change experience, alongside direct order to fulfilment/ order to cash experience. This will be alongside direct Mulesoft or SAP experience. * Experience working as a Business Analyst in a global Financial Services or Technology business * Experience working with SAP or MuleSoft * Excellent Data Integration experience * Direct Order to Fulfilment, Order to Cash experience * Very strong verbal and written communication skills If you meet these requirements please apply for immediate consideration.
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Business Analyst, Data Integration, Order Fulfilment
Business Analyst, Data Integration, Order Fulfilment
Harvey Nash
London
£600 - £650 per day + Inside IR35
£600- £650pd via Umbrella London (Remote) A global technology Financial Services business are currently seeking a Business Analyst to join them on a long term contract in London. The role requires excellent data integration and process change experience, alongside direct order to fulfilment/ order to cash experience. This will be alongside direct Mulesoft or SAP experience. * Experience working as a Business Analyst in a global Financial Services or Technology business * Experience working with SAP or MuleSoft * Excellent Data Integration experience * Direct Order to Fulfilment, Order to Cash experience * Very strong verbal and written communication skills If you meet these requirements please apply for immediate consideration.
£600- £650pd via Umbrella London (Remote) A global technology Financial Services business are currently seeking a Business Analyst to join them on a long term contract in London. The role requires excellent data integration and process change experience, alongside direct order to fulfilment/ order to cash experience. This will be alongside direct Mulesoft or SAP experience. * Experience working as a Business Analyst in a global Financial Services or Technology business * Experience working with SAP or MuleSoft * Excellent Data Integration experience * Direct Order to Fulfilment, Order to Cash experience * Very strong verbal and written communication skills If you meet these requirements please apply for immediate consideration.
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Azure Analytics & Integration stack (e.g., Databricks, Synapse, Logic Apps, API Management) o API frameworks (SOAP, REST, WebSocket)
Azure Analytics & Integration stack (e.g., Databricks, Synapse, Logic Apps, API Management) o API frameworks (SOAP, REST, WebSocket)
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Solid experience with Python and FastAPI for backend/API development.
Solid experience with Python and FastAPI for backend/API development.
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Experience with MuleSoft and API Gateways.
Experience with MuleSoft and API Gateways.
Integration Developer - Salesforce Education Cloud-Student Systems Implementation
Integration Developer - Salesforce Education Cloud-Student Systems Implementation
InterQuest Group (UK) Limited
London
£400 - 500 per day
Excellent skills in designing and delivering integrations using Microsoft Azure PaaS (Functions, Logic Apps, API Management, Service Bus,) * Expertise in integration strategy, API management, and canonical data models.
Excellent skills in designing and delivering integrations using Microsoft Azure PaaS (Functions, Logic Apps, API Management, Service Bus,) * Expertise in integration strategy, API management, and canonical data models.
Integration Developer-Azure-Salesforce-Student records
Integration Developer-Azure-Salesforce-Student records
InterQuest Group (UK) Limited
London
£450 per day
The role will focus on building and support integrations between new and existing systems using Microsoft Azure PaaS components to develop modular, reusable, and secure integration components aligned with canonical data models and modern API-first principles. * experience with Azure PaaS integration tools: Logic Apps, Functions, API Management, Service Bus, Event Grid * Experience building and managing REST APIs and implementing API-first integration designs * Exposure to OpenAPI/Swagger, API lifecycle management, and version control best practices.
The role will focus on building and support integrations between new and existing systems using Microsoft Azure PaaS components to develop modular, reusable, and secure integration components aligned with canonical data models and modern API-first principles. * experience with Azure PaaS integration tools: Logic Apps, Functions, API Management, Service Bus, Event Grid * Experience building and managing REST APIs and implementing API-first integration designs * Exposure to OpenAPI/Swagger, API lifecycle management, and version control best practices.
Software Developer - Active SC, Python, AWS
Software Developer - Active SC, Python, AWS
Hays
London
£400.0 - £425.0 per day + up to £425 per day (InsideIR35)
Proven experience as a software developer with data integration experience (API)
Proven experience as a software developer with data integration experience (API)
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Azure Administrator
Azure Administrator
Queen Square Recruitment Limited
EC2N, City of London
From £450 to £550 per day inside IR35, DOE
Configure cloud-native applications using Azure Cosmos DB (SQL API, Mongo API)
Configure cloud-native applications using Azure Cosmos DB (SQL API, Mongo API)
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Azure Developer
Azure Developer
Queen Square Recruitment Limited
EC2N, City of London
From £500 to £600 per day inside IR35, DOE
Develop cloud-native applications using Azure Cosmos DB (SQL API, Mongo API) * Experience with SQL API and familiarity with other APIs
Develop cloud-native applications using Azure Cosmos DB (SQL API, Mongo API) * Experience with SQL API and familiarity with other APIs
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Knowledge of event management frameworks and API integrations.
Knowledge of event management frameworks and API integrations.
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Tester-Salesforce- Azure Integration-Salesforce-Cloud
Tester-Salesforce- Azure Integration-Salesforce-Cloud
InterQuest Group (UK) Limited
London
£400 per day
Strong hands-on knowledge of Azure integration services (Logic Apps, Azure Functions, Service Bus, API * Experience with REST API testing, Swagger/OpenAPI validation, and API test automation. * Experience with contract testing frameworks (Pact) and API mocking/stubbing approaches.
Strong hands-on knowledge of Azure integration services (Logic Apps, Azure Functions, Service Bus, API * Experience with REST API testing, Swagger/OpenAPI validation, and API test automation. * Experience with contract testing frameworks (Pact) and API mocking/stubbing approaches.
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Proficiency in JavaScript, Glide API, and ServiceNow development tools.
Proficiency in JavaScript, Glide API, and ServiceNow development tools.
Strong application security knowledge (OWASP Top 10, API security).
Strong application security knowledge (OWASP Top 10, API security).
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D365 Finance Senior Integration Developer (remote)
D365 Finance Senior Integration Developer (remote)
Hays
London
£500.0 - £550.0 per day + c£510 per day (inside IR35)
We are currently seeking a D365 Senior Integration Developer (finance) to design and implement integrations using D365 API's (e.g. Data Management Package, REST API, OData) You will develop automation processes for data transformation, upload, import and error handling in batch or near real-time modes. Proficiency in tools like Postman, Azure Logic Apps, and scripting (e.g., C#, PowerShell) for API orchestration, along with ETL processes.
We are currently seeking a D365 Senior Integration Developer (finance) to design and implement integrations using D365 API's (e.g. Data Management Package, REST API, OData) You will develop automation processes for data transformation, upload, import and error handling in batch or near real-time modes. Proficiency in tools like Postman, Azure Logic Apps, and scripting (e.g., C#, PowerShell) for API orchestration, along with ETL processes.
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Excellent development skills, with a depth of experience including C#, Java (Spring Boot, JPA/Hibernate), REST API's, observability and monitoring, queue technologies and security.
Excellent development skills, with a depth of experience including C#, Java (Spring Boot, JPA/Hibernate), REST API's, observability and monitoring, queue technologies and security.
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Your new company - Working for an Investment Management Organisation. Your new role - Working for an Investment Management firm who are seeking a highly skilled hands on Solutions Architect with strong experience in low code/ no code tool Appian or Pega. You will lead the design, development and implementation of applications low code platform (Unqork). You will be supported by a developer but will also be hands on developing with them. What you'll need to succeed * Great background as a Solution/ Technical Architect in financial services (investment/ asset management would be a big plus). * Strong architectural knowledge on configuration/ development of low code/ no code tools. * Good experience with Appian/ Pega. * Experience in leading/ coordinating test plans. * Strong hands on experience - can think holistically and strategically to drive implementation.
Your new company - Working for an Investment Management Organisation. Your new role - Working for an Investment Management firm who are seeking a highly skilled hands on Solutions Architect with strong experience in low code/ no code tool Appian or Pega. You will lead the design, development and implementation of applications low code platform (Unqork). You will be supported by a developer but will also be hands on developing with them. What you'll need to succeed * Great background as a Solution/ Technical Architect in financial services (investment/ asset management would be a big plus). * Strong architectural knowledge on configuration/ development of low code/ no code tools. * Good experience with Appian/ Pega. * Experience in leading/ coordinating test plans. * Strong hands on experience - can think holistically and strategically to drive implementation.
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My client is a high-profile consultancy who require an Endur Solution Architect, with experience in Endur and in Energy Trading and Risk Management (ETRM) systems, to work closely with an end customer. * Proven expertise as a Subject Matter Expert (SME) in Energy Trading and Risk Management (ETRM) systems, with deep specialization in Endur. * Ability to deliver strategic guidance and solutions for complex trading and risk management scenarios. * Strong capability to optimize Endur functionalities across front-office, middle-office, and back-office operations. * Demonstrated technical leadership in Endur-related projects, ensuring alignment with business goals and industry standards. * Solid understanding of system integration principles, including APIs, middleware, and data interfaces for seamless enterprise connectivity.
My client is a high-profile consultancy who require an Endur Solution Architect, with experience in Endur and in Energy Trading and Risk Management (ETRM) systems, to work closely with an end customer. * Proven expertise as a Subject Matter Expert (SME) in Energy Trading and Risk Management (ETRM) systems, with deep specialization in Endur. * Ability to deliver strategic guidance and solutions for complex trading and risk management scenarios. * Strong capability to optimize Endur functionalities across front-office, middle-office, and back-office operations. * Demonstrated technical leadership in Endur-related projects, ensuring alignment with business goals and industry standards. * Solid understanding of system integration principles, including APIs, middleware, and data interfaces for seamless enterprise connectivity.
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