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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.
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.
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.
Web API Services
Web API Services
Familiarity with API design and working in distributed systems
Familiarity with API design and working in distributed systems
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
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.
Experience with Iron Python and the API-Rest Framework.
Experience with Iron Python and the API-Rest Framework.
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.
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.
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.).
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.
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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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.