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58 Contract API jobs in North London + 20 miles
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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 JavaScript Engineer / Developer (Vue.js API) London to £100k - Apply now to find out more about this Senior JavaScript Engineer / Developer (JavaScript Vue.js API) opportunity.
Senior JavaScript Engineer / Developer (Vue.js API) London to £100k - Apply now to find out more about this Senior JavaScript Engineer / Developer (JavaScript Vue.js API) opportunity.
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Backend Software Engineer Java Kotlin AWS
Backend Software Engineer Java Kotlin AWS
Client Server
Shoreditch, EC2A 2AP
£100000 - £120000 per annum
Backend Software Engineer / Developer (Java Kotlin AWS API) Hybrid WFH to £110k
Backend Software Engineer / Developer (Java Kotlin AWS API) Hybrid WFH to £110k
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Integration Architect
Integration Architect
Lynx Recruitment Limited
SW1W, South West London
From £85,000 to £100,000 per annum
Create high-level architectural assets, including API catalogues, application and connectivity models, guiding detailed design - Solid understanding of SOA, REST, and API management principles - Proficient with XSD, XML, XSLT, JSON, API
Create high-level architectural assets, including API catalogues, application and connectivity models, guiding detailed design - Solid understanding of SOA, REST, and API management principles - Proficient with XSD, XML, XSLT, JSON, API
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Strong experience with API and event-driven architectures.
Strong experience with API and event-driven architectures.
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Build and maintain an API used by the product as well as external partners.
Build and maintain an API used by the product as well as external partners.
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Strong understanding of REST API design and backend microservices architecture
Strong understanding of REST API design and backend microservices architecture
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Investran Application Specialist
Investran Application Specialist
Cobalt Recruitment.
City of London, London
£75000.00 - £95000 per annum
Proven track record of configuring and integrating financial platforms, ideally with SQL and API experience.
Proven track record of configuring and integrating financial platforms, ideally with SQL and API experience.
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Oversee system enhancements and API integrations
Oversee system enhancements and API integrations
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Senior Software Engineer
Senior Software Engineer
Halian Technology Limited
W1, Central London
From £90,000 to £95,000 per annum Plus bonus and benefits
Cloud experience withAWSservices (Lambda, API Gateway, S3, etc.)
Cloud experience withAWSservices (Lambda, API Gateway, S3, etc.)
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They're after a Principal Infrastructure Engineer who’s as comfortable scripting against an API as they are deep-diving into Nutanix clusters. * Automate everything – Terraform, PowerShell, Python, REST APIs (Nutanix CLI/API experience a big plus)
They're after a Principal Infrastructure Engineer who’s as comfortable scripting against an API as they are deep-diving into Nutanix clusters. * Automate everything – Terraform, PowerShell, Python, REST APIs (Nutanix CLI/API experience a big plus)
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ASP.NET Web API
ASP.NET Web API
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Perform Dataverse customizations, SQL queries, and CRUD operations using REST/Web API calls. * JavaScript (customizations & API calls)
Perform Dataverse customizations, SQL queries, and CRUD operations using REST/Web API calls. * JavaScript (customizations & API calls)
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Proficiency in at least one major API testing framework - Experience withAzure (APIM, Azure Functions, API Services), React/React-Native and.NET Core
Proficiency in at least one major API testing framework - Experience withAzure (APIM, Azure Functions, API Services), React/React-Native and.NET Core
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Exposure to OpenAI API or other modern AI/ML integrations.
Exposure to OpenAI API or other modern AI/ML integrations.
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Software Developer-MS-Stack
Software Developer-MS-Stack
Solus Accident Repair Centres
North London, London
GBP £35,000.00/Yr. - GBP £50,000.00/Yr.
Work across a wide range of technologies, across web, mobile apps, API, backend, and databases which are currently hosted within Azure.
Work across a wide range of technologies, across web, mobile apps, API, backend, and databases which are currently hosted within Azure.
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Software Developer (Microsoft Stack)
Software Developer (Microsoft Stack)
Solus Accident Repair Centres
North London, London
GBP £35,000.00/Yr. - GBP £50,000.00/Yr.
Work across a wide range of technologies, across web, mobile apps, API, backend, and databases which are currently hosted within Azure.
Work across a wide range of technologies, across web, mobile apps, API, backend, and databases which are currently hosted within Azure.
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Build and work with modern API and microservices architectures
Build and work with modern API and microservices architectures
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Global Claims IT Leader
Global Claims IT Leader
MARSH CORPORATE SERVICES LIMITED
The City, EC3R 5BU
Pension Scheme, Private Health Insurance & life insurance
Being a cross-functional collaborator interfacing with MMC Enterprise Technology partners, Marsh-Operations, and Transformation Office will come naturally to you building a new set of reusable IT Microservices connected via a well-defined API structure.
Being a cross-functional collaborator interfacing with MMC Enterprise Technology partners, Marsh-Operations, and Transformation Office will come naturally to you building a new set of reusable IT Microservices connected via a well-defined API structure.
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REST/SOAP API Integration: Building and consuming APIs for third-party integrations.
REST/SOAP API Integration: Building and consuming APIs for third-party integrations.
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Good understanding of API integration and data flow between front-end and back-end.
Good understanding of API integration and data flow between front-end and back-end.
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Role: Backend engineer - Rate: IR35 Status yet to be determined - Location: Remote with occasional travel to London - Duration: 6-month initial contract - SC clearance required. About the Role - You are a systems thinker with deep experience in backend engineering and distributed - data infrastructure. You thrive in high-stakes environments, know how to ship reliable - code fast, and are pragmatic about trade-o=s. You understand the unique constraints of - experimental, edge-deployable systems, especially in air-gapped environments where - resilience and autonomy matter most. This role focuses on building and adapting backend services to support experimental AI - systems deployed in sensitive Defence contexts. You will help create and manage - robust, portable pipelines for data ingestion, orchestration, model interaction, and - querying - all within a classified, com
Role: Backend engineer - Rate: IR35 Status yet to be determined - Location: Remote with occasional travel to London - Duration: 6-month initial contract - SC clearance required. About the Role - You are a systems thinker with deep experience in backend engineering and distributed - data infrastructure. You thrive in high-stakes environments, know how to ship reliable - code fast, and are pragmatic about trade-o=s. You understand the unique constraints of - experimental, edge-deployable systems, especially in air-gapped environments where - resilience and autonomy matter most. This role focuses on building and adapting backend services to support experimental AI - systems deployed in sensitive Defence contexts. You will help create and manage - robust, portable pipelines for data ingestion, orchestration, model interaction, and - querying - all within a classified, com
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Are you an experienced Salesforce Architect, looking to take on a challenging role, at a global, 500+ staff strong UK based Software product company? You’ll be keen to take on a key role within the Data Ops team & own all things Salesforce related, across the technical, data & stakeholder management piece. Working across the business in this highly visible role, not only is Salesforce used extensively, internally, but they are also major Salesforce partners & are embedded into the Salesforce Ecosystem. Mainly, you should be a technical expert in Salesforce but also have the functional soft skills to make sure that the architecture & business requirements are effectively translated into reality. Role title: Salesforce Architect. Senior Salesforce Developer. Location: Central London – but largely irrelevant as this role is 98% remote.
Are you an experienced Salesforce Architect, looking to take on a challenging role, at a global, 500+ staff strong UK based Software product company? You’ll be keen to take on a key role within the Data Ops team & own all things Salesforce related, across the technical, data & stakeholder management piece. Working across the business in this highly visible role, not only is Salesforce used extensively, internally, but they are also major Salesforce partners & are embedded into the Salesforce Ecosystem. Mainly, you should be a technical expert in Salesforce but also have the functional soft skills to make sure that the architecture & business requirements are effectively translated into reality. Role title: Salesforce Architect. Senior Salesforce Developer. Location: Central London – but largely irrelevant as this role is 98% remote.
NEWFEATURED
Are you an experienced Salesforce Architect (or potentially a Senior Developer), looking to take on a challenging role, at a global, 500 staff strong UK based Software product company? You’ll be keen to take on a key role within the Data Ops team & own all things Salesforce related, across the technical, data & stakeholder management piece. Working across the business in this highly visible role, not only is Salesforce used extensively, internally, but they are also major Salesforce partners & are embedded into the Salesforce Ecosystem. Mainly, you should be a technical expert in Salesforce but also have the functional soft skills to make sure that the architecture & business requirements are effectively translated into reality. Role title: Salesforce Architect. Senior Salesforce Developer. Location: Central London – but largely irrelevant as this role is 98% remote.
Are you an experienced Salesforce Architect (or potentially a Senior Developer), looking to take on a challenging role, at a global, 500 staff strong UK based Software product company? You’ll be keen to take on a key role within the Data Ops team & own all things Salesforce related, across the technical, data & stakeholder management piece. Working across the business in this highly visible role, not only is Salesforce used extensively, internally, but they are also major Salesforce partners & are embedded into the Salesforce Ecosystem. Mainly, you should be a technical expert in Salesforce but also have the functional soft skills to make sure that the architecture & business requirements are effectively translated into reality. Role title: Salesforce Architect. Senior Salesforce Developer. Location: Central London – but largely irrelevant as this role is 98% remote.
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AI/ML engineer - SC clearance
AI/ML engineer - SC clearance
LA International Computer Consultants Ltd
EC1, City of London
£500 - £550 per day
Role: Backend engineer - Rate: IR35 Status yet to be determined - Location: Remote with occasional travel to London or Corsham - Duration: 6-month initial contract - SC clearance required. About the Role - You are a systems thinker with deep experience in backend engineering and distributed - data infrastructure. You thrive in high-stakes environments, know how to ship reliable - code fast, and are pragmatic about trade-o=s. You understand the unique constraints of - experimental, edge-deployable systems, especially in air-gapped environments where - resilience and autonomy matter most. This role focuses on building and adapting backend services to support experimental AI - systems deployed in sensitive Defence contexts. You will help create and manage - robust, portable pipelines for data ingestion, orchestration, model interaction, and - querying - all within a clas
Role: Backend engineer - Rate: IR35 Status yet to be determined - Location: Remote with occasional travel to London or Corsham - Duration: 6-month initial contract - SC clearance required. About the Role - You are a systems thinker with deep experience in backend engineering and distributed - data infrastructure. You thrive in high-stakes environments, know how to ship reliable - code fast, and are pragmatic about trade-o=s. You understand the unique constraints of - experimental, edge-deployable systems, especially in air-gapped environments where - resilience and autonomy matter most. This role focuses on building and adapting backend services to support experimental AI - systems deployed in sensitive Defence contexts. You will help create and manage - robust, portable pipelines for data ingestion, orchestration, model interaction, and - querying - all within a clas
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