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78 API jobs in Covent Garden + 20 miles
353 exact matches jobs are outside your preferred location
At Moody's, we unite the brightest minds to turn todays risks into tomorrows opportunities. We do this by striving to create an inclusive environment where everyone feels welcome to be who they arewith the freedom to exchange ideas, think innovatively, and listen to each other and customers in meaningful ways. Moodys is transforming how the world sees risk. As a global leader in ratings and integrated risk assessment, were advancing AI to move from insight to actionenabling intelligence that not only understands complexity but responds to it. We decode risk to unlock opportunity, helping our clients navigate uncertainty with clarity, speed, and confidence. If you are excited about this opportunity but do not meet every single requirement, please apply! You still may be a great fit for this role or other open roles.
At Moody's, we unite the brightest minds to turn todays risks into tomorrows opportunities. We do this by striving to create an inclusive environment where everyone feels welcome to be who they arewith the freedom to exchange ideas, think innovatively, and listen to each other and customers in meaningful ways. Moodys is transforming how the world sees risk. As a global leader in ratings and integrated risk assessment, were advancing AI to move from insight to actionenabling intelligence that not only understands complexity but responds to it. We decode risk to unlock opportunity, helping our clients navigate uncertainty with clarity, speed, and confidence. If you are excited about this opportunity but do not meet every single requirement, please apply! You still may be a great fit for this role or other open roles.
Experience with API design and implementing authentication/authorisation flows
Experience with API design and implementing authentication/authorisation flows
Familiarity with real-time data processing, event-driven systems, and API-first design.
Familiarity with real-time data processing, event-driven systems, and API-first design.
Azure API Management (APIM)
Azure API Management (APIM)
Broad Testing Experience: Experience in front-end and API testing.
Broad Testing Experience: Experience in front-end and API testing.
We do this by providing products and services which allow our clients to efficiently collect, reconcile and disburse funds instantly via a range of payment schemes, accounts, and card products, fully controllable via API.
We do this by providing products and services which allow our clients to efficiently collect, reconcile and disburse funds instantly via a range of payment schemes, accounts, and card products, fully controllable via API.
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Select, implement, and optimise testing tools and environments across functional, API, and performance testing.
Select, implement, and optimise testing tools and environments across functional, API, and performance testing.
Web API Services
Web API Services
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Familiarity with API design and working in distributed systems
Familiarity with API design and working in distributed systems
Strong knowledge of C++ and API design
Strong knowledge of C++ and API design
Proficiency in API design and integration.
Proficiency in API design and integration.
Conduct API testing to ensure robust and reliable integration between services. * Understanding of API testing , including tools like Postman or similar.
Conduct API testing to ensure robust and reliable integration between services. * Understanding of API testing , including tools like Postman or similar.
Being able to go into the details of API design, payment messages or whatever is required.
Being able to go into the details of API design, payment messages or whatever is required.
Experience with Iron Python and the API-Rest Framework.
Experience with Iron Python and the API-Rest Framework.
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Proficient in headless CMS integrations (Kontent.ai, Contentful) and API-driven development
Proficient in headless CMS integrations (Kontent.ai, Contentful) and API-driven development
Join Barclays as a Principal Engineer Apigee X, where you'll be part of a platform engineering team that leads the design, implementation, and governance of our new External API gateway solution for our enterprise. This role will be instrumental in shaping our API strategy, ensuring scalability, security, and performance of our digital platforms, and mentoring engineering teams on best practices. * Software engineering, with a focus on API management and integration. * Familiarity with CI/CD tools (e.g., GitLab) and API testing frameworks.
Join Barclays as a Principal Engineer Apigee X, where you'll be part of a platform engineering team that leads the design, implementation, and governance of our new External API gateway solution for our enterprise. This role will be instrumental in shaping our API strategy, ensuring scalability, security, and performance of our digital platforms, and mentoring engineering teams on best practices. * Software engineering, with a focus on API management and integration. * Familiarity with CI/CD tools (e.g., GitLab) and API testing frameworks.
Experience in consuming a RESTful API.
Experience in consuming a RESTful API.
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.
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
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.
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.
Manager, Lead Research Scientist, Training Data (Foundational Research)
Manager, Lead Research Scientist, Training Data (Foundational Research)
Thomson Reuters
London
Competitive
Post-training techniques for planning, reasoning & complex workflows (e.g., Reasoning Models, LLMs + Knowledge Graphs, Test time compute, CoT pipelines, Tool use & API calling, etc.)
Post-training techniques for planning, reasoning & complex workflows (e.g., Reasoning Models, LLMs + Knowledge Graphs, Test time compute, CoT pipelines, Tool use & API calling, etc.)
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AI Engineer, Software Engineer, Machine Learning Engineer, LLM, GenAI, Agentic, LangChain, LangGraph, Langfuse, Python, Backend, API, MLflow, W&B, DVC, Evaluation, RAG, Retrieval, Semantic Search, Multimodal, Computer Vision, Speech-to-Text, Cloud, AWS, Azure, Model Deployment, UK Remote, Contractor, EdTech, Assessment Systems, Automated Scoring, Git, GitHub, UK Hours
AI Engineer, Software Engineer, Machine Learning Engineer, LLM, GenAI, Agentic, LangChain, LangGraph, Langfuse, Python, Backend, API, MLflow, W&B, DVC, Evaluation, RAG, Retrieval, Semantic Search, Multimodal, Computer Vision, Speech-to-Text, Cloud, AWS, Azure, Model Deployment, UK Remote, Contractor, EdTech, Assessment Systems, Automated Scoring, Git, GitHub, UK Hours
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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.
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Familiarity with HTTP methods and API interaction design
Familiarity with HTTP methods and API interaction design