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        64 Contract API jobs in Marylebone (W1) + 20 miles

        Technical Integration Lead

        Talent.AI Limited
        Mayfair, W1
        Unspecified
        Our client is currently looking for a Technical Integration Lead to join their busy team in the vibrant heart of Mayfair! Hours of Work: Full Time, Fixed Term - As a Technical Integration Lead, you will oversee and implement complex integration projects crucial for our core banking initiative. Your role will involve leading integration streams, collaborating with cross-functional teams, developing integration strategies, and ensuring seamless technical communication across systems. You will be responsible for project delivery, risk assessment, maintaining project documentation, and mentoring your team, ensuring that all aspects align with regulatory and quality standards. 1. A minimum of 5 years' experience in technical integration and project management. 2. Strong knowledge of software development, system architecture, and the banking industry. 3.
        Our client is currently looking for a Technical Integration Lead to join their busy team in the vibrant heart of Mayfair! Hours of Work: Full Time, Fixed Term - As a Technical Integration Lead, you will oversee and implement complex integration projects crucial for our core banking initiative. Your role will involve leading integration streams, collaborating with cross-functional teams, developing integration strategies, and ensuring seamless technical communication across systems. You will be responsible for project delivery, risk assessment, maintaining project documentation, and mentoring your team, ensuring that all aspects align with regulatory and quality standards. 1. A minimum of 5 years' experience in technical integration and project management. 2. Strong knowledge of software development, system architecture, and the banking industry. 3.
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        Senior Salesforce Developer

        167 Solutions Ltd
        SW1, South West London
        From £75,000 to £90,000 per annum
        Senior Salesforce Consultant / Senior Salesforce Developer / Senior Salesforce Programmer - Location: Hybrid (London / UK 23 days onsite) Salary: £75,000 - £90,000 Plus Benefits - We are hiring on behalf of our client for a Senior Salesforce Consultant to play a key role in an exciting organisation-wide Salesforce transformation. This role offers the opportunity to work across Sales Cloud, Service Cloud, Experience Cloud, and Marketing Cloud in a collaborative hybrid environment. Key Responsibilities * Lead end-to-end delivery across Sales Cloud, Service Cloud, Experience Cloud, and Marketing Cloud, from requirements gathering and solution design to configuration, development, testing, and deployment. * Deliver technical solutions in Salesforce including custom metadata, Lightning components, Apex code, APIs, and declarative automation.
        Senior Salesforce Consultant / Senior Salesforce Developer / Senior Salesforce Programmer - Location: Hybrid (London / UK 23 days onsite) Salary: £75,000 - £90,000 Plus Benefits - We are hiring on behalf of our client for a Senior Salesforce Consultant to play a key role in an exciting organisation-wide Salesforce transformation. This role offers the opportunity to work across Sales Cloud, Service Cloud, Experience Cloud, and Marketing Cloud in a collaborative hybrid environment. Key Responsibilities * Lead end-to-end delivery across Sales Cloud, Service Cloud, Experience Cloud, and Marketing Cloud, from requirements gathering and solution design to configuration, development, testing, and deployment. * Deliver technical solutions in Salesforce including custom metadata, Lightning components, Apex code, APIs, and declarative automation.
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        Product Manager - Post Trade

        SG Technology
        EC1A, City of London
        £90,000 per annum Plus Bonus & Benefits
        My client, a leading global investment bank, is seeking an experienced Product Manager to - position technology as a strategic asset and to shape how a growing product organisation - supports worldwide business growth. Reporting to the Lead Product Manager for Investments, the successful candidate will own the alignment and product development of the banks - investment-operations proposition, covering custody, IBOR, ABOR, trade capture, dealing and - settlements across multiple asset classes. Working within a long-standing Agile team, the - Product Manager will integrate and modernise critical post-trade platforms, delivering innovative, scalable solutions while cultivating a strong partnership between technology and the global - business. Key Responsibilities * Serve as subject-matter expert for engineering teams and third-party vendors, ensuringclarity around delive
        My client, a leading global investment bank, is seeking an experienced Product Manager to - position technology as a strategic asset and to shape how a growing product organisation - supports worldwide business growth. Reporting to the Lead Product Manager for Investments, the successful candidate will own the alignment and product development of the banks - investment-operations proposition, covering custody, IBOR, ABOR, trade capture, dealing and - settlements across multiple asset classes. Working within a long-standing Agile team, the - Product Manager will integrate and modernise critical post-trade platforms, delivering innovative, scalable solutions while cultivating a strong partnership between technology and the global - business. Key Responsibilities * Serve as subject-matter expert for engineering teams and third-party vendors, ensuringclarity around delive
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        .Net Developer - Hybrid Remote

        VERTECH GROUP (UK) LTD
        KT14, West Byfleet
        From £55,000 to £65,000 per annum + Benefits
        .Net Developer Location: Flexible Hybrid Home / Byfleet Salary: Circa 55k 65k + Benefits .Net Developer required by fast-growing, technology-led company! This is a diverse, challenging role in a talented team where youll be responsible for developing a variety of complex projects * At least 3yrs development experience * Skills in C#, VB.Net * ASP.Net, Blazor, WPF * RESTful APIs Tremendous opportunity offering plenty of scope for career progression in a friendly, innovative environment where youll be able to keep up to date with emerging technologies and enjoy a healthy work/life balance! Apply now for FULL details!
        .Net Developer Location: Flexible Hybrid Home / Byfleet Salary: Circa 55k 65k + Benefits .Net Developer required by fast-growing, technology-led company! This is a diverse, challenging role in a talented team where youll be responsible for developing a variety of complex projects * At least 3yrs development experience * Skills in C#, VB.Net * ASP.Net, Blazor, WPF * RESTful APIs Tremendous opportunity offering plenty of scope for career progression in a friendly, innovative environment where youll be able to keep up to date with emerging technologies and enjoy a healthy work/life balance! Apply now for FULL details!
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        FEATURED

        Business Analyst

        OpenSourced Ltd
        SW1, South West London
        From £40,000 to £55,000 per annum
        Are you a skilled Business Analyst with eCommerce experience looking to make a real impact? Want to work with big-name fashion, luxury, and homeware brands on cutting-edge digital projects? This leading London-based digital agency is growing fast and theyre looking for a talented Business Analyst to join their collaborative and forward-thinking team. This is your opportunity to shape the future of award-winning eCommerce websites. What Youll Be Doing - As a Business Analyst, youll help deliver high-performing eCommerce platforms by working across the full project lifecycle. Youll work alongside Project Managers, developers, designers, and Senior Business Analysts to define and deliver solutions that delight clients. * Gathering and refining client business requirements * Translating briefs into user stories with clear acceptance criteria
        Are you a skilled Business Analyst with eCommerce experience looking to make a real impact? Want to work with big-name fashion, luxury, and homeware brands on cutting-edge digital projects? This leading London-based digital agency is growing fast and theyre looking for a talented Business Analyst to join their collaborative and forward-thinking team. This is your opportunity to shape the future of award-winning eCommerce websites. What Youll Be Doing - As a Business Analyst, youll help deliver high-performing eCommerce platforms by working across the full project lifecycle. Youll work alongside Project Managers, developers, designers, and Senior Business Analysts to define and deliver solutions that delight clients. * Gathering and refining client business requirements * Translating briefs into user stories with clear acceptance criteria
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        Implement schema registries, data contracts, and API-first data governance.
        Implement schema registries, data contracts, and API-first data governance.
        NEWFEATURED
        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
        more
        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
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        MMC Corporate - We are looking for a talented and motivated individual to join our Cloud Platforms team at Marsh McLennan, based in Liverpool, United Kingdom. This is a hybrid role, requiring a minimum of three days per week in the office. * Operational Support for public cloud technology solutions, primarily focused on the AWS or Azure cloud platforms. * Obtain and maintain an in-depth understanding of AWS and Azure public cloud technologies to ensure all appropriate options are considered to support business initiatives. * Act as a consultant and subject matter expert for Project Managers, Developers, and Engineering teams, to resolve technical obstacles and improve the product's vision. * Work closely with multiple Project Management and Software Engineering teams on understanding ways to improve IaaS and PaaS service offerings.
        MMC Corporate - We are looking for a talented and motivated individual to join our Cloud Platforms team at Marsh McLennan, based in Liverpool, United Kingdom. This is a hybrid role, requiring a minimum of three days per week in the office. * Operational Support for public cloud technology solutions, primarily focused on the AWS or Azure cloud platforms. * Obtain and maintain an in-depth understanding of AWS and Azure public cloud technologies to ensure all appropriate options are considered to support business initiatives. * Act as a consultant and subject matter expert for Project Managers, Developers, and Engineering teams, to resolve technical obstacles and improve the product's vision. * Work closely with multiple Project Management and Software Engineering teams on understanding ways to improve IaaS and PaaS service offerings.
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        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.
        more

        460 exact matches jobs are outside your preferred location

        Senior Business Analyst (API, YAML) - Software Solution - Remote (UK or Europe) My client is looking for a Senior Business Analyst to join our team and drive the successful delivery of API services and supporting documentation for an upcoming product launch. * Collaborate with product owners, engineers, and stakeholders to define and refine business requirements for API services supporting the product launch. o API specifications * Utilize business analytics and intelligence tools to provide insights and recommendations that shape API functionality and project direction. * Hands-on experience with API services (analysis, documentation, testing support). * Familiarity with JSON for API-related specifications. * Knowledge of API testing
        Senior Business Analyst (API, YAML) - Software Solution - Remote (UK or Europe) My client is looking for a Senior Business Analyst to join our team and drive the successful delivery of API services and supporting documentation for an upcoming product launch. * Collaborate with product owners, engineers, and stakeholders to define and refine business requirements for API services supporting the product launch. o API specifications * Utilize business analytics and intelligence tools to provide insights and recommendations that shape API functionality and project direction. * Hands-on experience with API services (analysis, documentation, testing support). * Familiarity with JSON for API-related specifications. * Knowledge of API testing
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        Lead the designand evolution of our API schemas, ensuring they meet the complex demands of a rapidly growing platform. * Expert levelGraphQL, including advanced API design, schema evolution, performance optimisation.
        Lead the designand evolution of our API schemas, ensuring they meet the complex demands of a rapidly growing platform. * Expert levelGraphQL, including advanced API design, schema evolution, performance optimisation.
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        QA Test Engineer Python Automation

        Client Server
        Milton, CB24
        £40000 - £50000 per annum + bonus + benefits
        QA Test Engineer (Python API Automation) Cambridge to £50k * You have API testing experience - Apply now to find out more about this QA Test Engineer (Python API Automation) opportunity.
        QA Test Engineer (Python API Automation) Cambridge to £50k * You have API testing experience - Apply now to find out more about this QA Test Engineer (Python API Automation) opportunity.
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        NEWPREMIUM

        Senior Integration Developer

        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 - 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.
        more
        NEW

        Senior Integration Developer

        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 - 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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        NEW
        £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.
        more
        £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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        Frequently Asked Questions

        How many contract API jobs are there in Marylebone (W1)?
        There are 64 contract API jobs within 20 miles of Marylebone (W1) available on CWJobs right now.

        Where in Marylebone (W1) are these contract jobs?
        You can find contract jobs in Millwall, Shadwell, Southwark.

        What other similar jobs are there to contract API jobs in Marylebone (W1)?
        As well as contract API jobs in Marylebone (W1), you can find contract IT, Software Development, Infrastructure, amongst many others.