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Locations
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Date posted
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58 API jobs in The City, City of London + 20 miles
234 exact matches jobs are outside your preferred location
We are a global healthcare communications agency with deep therapeutic expertise that traverses the asset lifecycle, delivering transformative outcomes for healthcare brands for over 20 years. Our more than 500 highly trained professionals work with speed and agility to craft and execute breakthrough strategies that maximise performance and unlock a brand's full potential. Lucid Global works with global brand teams at big and mid-tier pharmaceuticals and biotech clients to deliver powerful medical communications solutions across the asset lifecycle. Lucid Consulting brings depth of expertise in the research, development and commercialisation of solutions across therapeutic areas and modalities by streamlining product development, building operational capabilities, innovating, and supporting execution to create value for patients, clients and shareholders.
We are a global healthcare communications agency with deep therapeutic expertise that traverses the asset lifecycle, delivering transformative outcomes for healthcare brands for over 20 years. Our more than 500 highly trained professionals work with speed and agility to craft and execute breakthrough strategies that maximise performance and unlock a brand's full potential. Lucid Global works with global brand teams at big and mid-tier pharmaceuticals and biotech clients to deliver powerful medical communications solutions across the asset lifecycle. Lucid Consulting brings depth of expertise in the research, development and commercialisation of solutions across therapeutic areas and modalities by streamlining product development, building operational capabilities, innovating, and supporting execution to create value for patients, clients and shareholders.
Experience with API design and implementing authentication/authorisation flows
Experience with API design and implementing authentication/authorisation flows
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.
Web API Services
Web API Services
Large-scale data processing; data modeling; holistic, intent-based API design
Large-scale data processing; data modeling; holistic, intent-based API design
You understand how customer data moves through CRM systems, including events and API-driven attributes
You understand how customer data moves through CRM systems, including events and API-driven attributes
Experience with Iron Python and the API-Rest Framework.
Experience with Iron Python and the API-Rest Framework.
Software Engineer II
Software Engineer II
LEXISNEXIS RISK SOLUTIONS UK LIMITED T/a LexisNexis Risk Solutions Group
London
Competitive
Experience developing web applications or services (e.g. Web API, ASP.NET MVC, etc.).
Experience developing web applications or services (e.g. Web API, ASP.NET MVC, etc.).
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.
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
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.)
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.
FEATURED
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Familiarity with HTTP methods and API interaction design
Familiarity with HTTP methods and API interaction design
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RESTful API design and can build performant endpoints.
RESTful API design and can build performant endpoints.
Detect security weaknesses across API's, Applications and Infrastructure
Detect security weaknesses across API's, Applications and Infrastructure
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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
Strong experience of working with and developing API endpoints.
Strong experience of working with and developing API endpoints.
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Do you enjoy creating technical documents (Manuals, Announcements, Bulletins, and API & SDK References Documents)?
Do you enjoy creating technical documents (Manuals, Announcements, Bulletins, and API & SDK References Documents)?
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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.
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Expert-level knowledge of secure coding principles, SAST, DAST, API security testing, and vulnerability analysis.
Expert-level knowledge of secure coding principles, SAST, DAST, API security testing, and vulnerability analysis.
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Stay current with emerging technologies, frameworks, and security practices relevant to modern web and API development.
Stay current with emerging technologies, frameworks, and security practices relevant to modern web and API development.
Stay current with emerging technologies, frameworks, and security practices relevant to modern web and API development.
Stay current with emerging technologies, frameworks, and security practices relevant to modern web and API development.
Stay current with emerging technologies, frameworks, and security practices relevant to modern web and API development.
Stay current with emerging technologies, frameworks, and security practices relevant to modern web and API development.
Stay current with emerging technologies, frameworks, and security practices relevant to modern web and API development.
Stay current with emerging technologies, frameworks, and security practices relevant to modern web and API development.