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41 Contract API jobs in The City, City of London + 20 miles
328 exact matches jobs are outside your preferred location
Securing and managing APIs using API Manager. * Managing the API development lifecycle from design to governance and management.
Securing and managing APIs using API Manager. * Managing the API development lifecycle from design to governance and management.
Powered by our proprietary Play&Plug technology platform , we offer API-based solutions and manage fully cloud-native insurance programs.
Powered by our proprietary Play&Plug technology platform , we offer API-based solutions and manage fully cloud-native insurance programs.
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You can design a RESTful API and list all the pros and cons of your design * You have an API-first product mindset: you care about customer outcomes and you like to listen to their use-cases before diving into code
You can design a RESTful API and list all the pros and cons of your design * You have an API-first product mindset: you care about customer outcomes and you like to listen to their use-cases before diving into code
Expertise in API testing using Postman
Expertise in API testing using Postman
Strong understanding of cloud native architectures, SaaS solutions (Salesforce, SAP, Dynamics CRM,ServiceNow, etc..), cybersecurity posture fundamentals, API ecosystems and legacy on-premise enterprise architectures
Strong understanding of cloud native architectures, SaaS solutions (Salesforce, SAP, Dynamics CRM,ServiceNow, etc..), cybersecurity posture fundamentals, API ecosystems and legacy on-premise enterprise architectures
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Proven experience in multi-system integration, event-driven architecture, and API governance. * Define integration patterns using SAP Integration Suite, API Management, and Cloud Connector.
Proven experience in multi-system integration, event-driven architecture, and API governance. * Define integration patterns using SAP Integration Suite, API Management, and Cloud Connector.
Experience building REST API-driven web applications for high-volume sites
Experience building REST API-driven web applications for high-volume sites
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.
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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
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.
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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
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• 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).
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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
My client are seeking a JavaDeveloper with strong expertise in Apache Kafka, Node.js, and AWS cloud services. The role involves designing and implementing scalable, event-driven architectures, building microservices, and deploying solutions in a cloud-native environment. Essential Skills & Experience * Strong commercial experience with Java (core + modern frameworks) * Hands-on experience with Node.js * Proven background delivering solutions in AWS environments * Understanding of microservices, APIs and distributed systems * Experience working in Agile / DevOps environments * Familiarity with CI/CD pipelines and cloud-native tooling * Experience with Kafka Desirable * Previous experience working in public-sector or secure environments
My client are seeking a JavaDeveloper with strong expertise in Apache Kafka, Node.js, and AWS cloud services. The role involves designing and implementing scalable, event-driven architectures, building microservices, and deploying solutions in a cloud-native environment. Essential Skills & Experience * Strong commercial experience with Java (core + modern frameworks) * Hands-on experience with Node.js * Proven background delivering solutions in AWS environments * Understanding of microservices, APIs and distributed systems * Experience working in Agile / DevOps environments * Familiarity with CI/CD pipelines and cloud-native tooling * Experience with Kafka Desirable * Previous experience working in public-sector or secure environments