Date posted
Commute time
Locations
Type of Company
Job types
Salaries
Locations
Locations
Salaries
Date posted
Type of Company
Job types
97 Contract API jobs in The City, City of London + 20 miles
453 exact matches jobs are outside your preferred location
Experience building REST API-driven web applications for high-volume sites
Experience building REST API-driven web applications for high-volume sites
Familiarity with API design and integration patterns in financial services
Familiarity with API design and integration patterns in financial services
You possess a strong understanding of cloud computing, microservices, API design, and event-driven architectures.
You possess a strong understanding of cloud computing, microservices, API design, and event-driven architectures.
Documenting product designs, data flows and API specs, and ensuring backlogs are maintained in Jira
Documenting product designs, data flows and API specs, and ensuring backlogs are maintained in Jira
Our team owns the web API and other integration interfaces of MediaWiki, enabling other teams to create features that allows users to access, edit, and consume knowledge efficiently and reliably. * Contributing to the adoption and advocacy of API-first development, and influencing best practices in system design, SLOs/SLAs, and OpenAPI Specification; * Interest in API-first development or improving developer experience.
Our team owns the web API and other integration interfaces of MediaWiki, enabling other teams to create features that allows users to access, edit, and consume knowledge efficiently and reliably. * Contributing to the adoption and advocacy of API-first development, and influencing best practices in system design, SLOs/SLAs, and OpenAPI Specification; * Interest in API-first development or improving developer experience.
Enterprise Systems Integration: Deep experience with enterprise applications (SAP, Salesforce, Oracle, ServiceNow, Workday) and API-based integration patterns
Enterprise Systems Integration: Deep experience with enterprise applications (SAP, Salesforce, Oracle, ServiceNow, Workday) and API-based integration patterns
Deploy and operate services on Azure (AKS/ACI/Azure Functions, API Management). * Strong in Python, API design, asynchronous programming, and integration patterns. * Production deployments on Azure (AKS, ACI, Functions, API Management) ; solid understanding of cloud platforms and data infrastructure * Experience in asynchronous programming, API design, and integration patterns .
Deploy and operate services on Azure (AKS/ACI/Azure Functions, API Management). * Strong in Python, API design, asynchronous programming, and integration patterns. * Production deployments on Azure (AKS, ACI, Functions, API Management) ; solid understanding of cloud platforms and data infrastructure * Experience in asynchronous programming, API design, and integration patterns .
Experience testing API's, back-end services, databases, messaging services and UI's.
Experience testing API's, back-end services, databases, messaging services and UI's.
Principal Product Manager, Reporting Platform (Data & Extensibility)
Principal Product Manager, Reporting Platform (Data & Extensibility)
Samsara Networks Limited
London
Competitive
Excellent technical understanding with an ability to grasp and lead strategic discussions on data warehousing, data quality, data integrity, and API design.
Excellent technical understanding with an ability to grasp and lead strategic discussions on data warehousing, data quality, data integrity, and API design.
Application Integration with Java, JavaScript, ESB/API tools and/or C++/C * Experience with software development in either Java or C++/C, SDKs and API integration
Application Integration with Java, JavaScript, ESB/API tools and/or C++/C * Experience with software development in either Java or C++/C, SDKs and API integration
Were at an exciting inflection point as an API-first company built on strong foundations, weve empowered customers to build solutions on top of our platform.
Were at an exciting inflection point as an API-first company built on strong foundations, weve empowered customers to build solutions on top of our platform.
At the time of inception, cloud-based systems and API fluency were new.
At the time of inception, cloud-based systems and API fluency were new.
Our software platforms are powered by our REST APIs and everything is developed with an API-first approach.
Our software platforms are powered by our REST APIs and everything is developed with an API-first approach.
NEW
)
You will work across a wide portfolio of systems and services to enable reliable data movement, API-based integration, and modern cloud-driven workflows.
You will work across a wide portfolio of systems and services to enable reliable data movement, API-based integration, and modern cloud-driven workflows.
FEATURED
)
Familiarity with HTTP methods and API interaction design
Familiarity with HTTP methods and API interaction design
NEW
)
Secure API integration: rate limiting, authentication, and governance via Azure API Management.
Secure API integration: rate limiting, authentication, and governance via Azure API Management.
PREMIUM
Strong commercial experience with Node.js (Back End services and API development). * Knowledge of RESTful API design and integration.
Strong commercial experience with Node.js (Back End services and API development). * Knowledge of RESTful API design and integration.
)
Deep understanding of API technologies (REST, GraphQL, XML-RPC)
Deep understanding of API technologies (REST, GraphQL, XML-RPC)
)
Senior Front-End Developer - 1 Year Contract - Remote
Senior Front-End Developer - 1 Year Contract - Remote
Stealth IT Consulting Limited
UK
From £450 to £500 per day
Understanding of API integrations and cross-functional workflow
Understanding of API integrations and cross-functional workflow
Senior Full Stack Developer (SC Cleared) - 12 Month Contract - Remote
Senior Full Stack Developer (SC Cleared) - 12 Month Contract - Remote
Stealth IT Consulting Limited
UK
From £450 to £500 per day
Strong understanding of API development and microservices
Strong understanding of API development and microservices
)
• Strong backend engineering background delivering high-scale systems with AI components (Python/Java, RAG frameworks, vector databases, API engineering).
• Strong backend engineering background delivering high-scale systems with AI components (Python/Java, RAG frameworks, vector databases, API engineering).
)
We are looking for a highly skilled Lead Business Analyst / Product Owner to lead the design, development, and delivery of API solutions that enable seamless integration across our digital ecosystem. This hybrid role combines strategic product ownership with hands-on business analysis to ensure our API platform meets business needs, enhances interoperability, and supports scalable growth. * Define and own the API product backlog, aligning with business objectives and technology strategy. * Act as the voice of the customer for API consumers, ensuring usability and developer experience. * Gather, analyze, and document functional and non-functional requirements for API development. * Collaborate with architects and engineering teams to design API specifications, JSON, XM
We are looking for a highly skilled Lead Business Analyst / Product Owner to lead the design, development, and delivery of API solutions that enable seamless integration across our digital ecosystem. This hybrid role combines strategic product ownership with hands-on business analysis to ensure our API platform meets business needs, enhances interoperability, and supports scalable growth. * Define and own the API product backlog, aligning with business objectives and technology strategy. * Act as the voice of the customer for API consumers, ensuring usability and developer experience. * Gather, analyze, and document functional and non-functional requirements for API development. * Collaborate with architects and engineering teams to design API specifications, JSON, XM
PREMIUM
)
SPFx, TypeScript/JavaScript, Graph API, PnP PowerShell experience
SPFx, TypeScript/JavaScript, Graph API, PnP PowerShell experience
)
Develop the backend API integrations necessary for the AI agent to automatically publish its generated test guides to our internal web platform.
Develop the backend API integrations necessary for the AI agent to automatically publish its generated test guides to our internal web platform.
)
Familiarity with integration tools and methods (e.g., API-based integrations, middleware solutions and automation platforms).
Familiarity with integration tools and methods (e.g., API-based integrations, middleware solutions and automation platforms).