Date posted
Commute time
Locations
Type of Company
Job types
Salaries
Locations
Locations
Salaries
Date posted
Type of Company
Job types
Locations
12 Contract API jobs in Moorgate, City of London + 20 miles
132 exact matches jobs are outside your preferred location
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)
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
NEW
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.
Experience with Iron Python and the API-Rest Framework.
Experience with Iron Python and the API-Rest Framework.
NEW
Proficient in headless CMS integrations (Kontent.ai, Contentful) and API-driven development
Proficient in headless CMS integrations (Kontent.ai, Contentful) and API-driven development
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.)
NEW
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
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
)
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
)
Looking for a Technical Business Analyst to support squads across a high-profile digital environment. You'll work closely with technical and business teams, shaping requirements and supporting delivery from discovery through to live service. The role requires someone confident engaging directly with technical and business stakeholders, translating business needs into technical requirements, and supporting squads through the full lifecycle. * Gather and refine requirements with stakeholders * Translate discovery outputs into clear epics and user stories * Work with architects and developers to validate technical feasibility * Understand RESTful APIs, data flows, and integration patterns * Contribute to agile ceremonies and support iterative delivery * Work across legacy and modern service environments * Proven experience as a Technical BA within digital or engineering
Looking for a Technical Business Analyst to support squads across a high-profile digital environment. You'll work closely with technical and business teams, shaping requirements and supporting delivery from discovery through to live service. The role requires someone confident engaging directly with technical and business stakeholders, translating business needs into technical requirements, and supporting squads through the full lifecycle. * Gather and refine requirements with stakeholders * Translate discovery outputs into clear epics and user stories * Work with architects and developers to validate technical feasibility * Understand RESTful APIs, data flows, and integration patterns * Contribute to agile ceremonies and support iterative delivery * Work across legacy and modern service environments * Proven experience as a Technical BA within digital or engineering
)
Understanding of API testing tools and frameworks (e.g., RestAssured, Postman).
Understanding of API testing tools and frameworks (e.g., RestAssured, Postman).
)
Familiarity with API testing, SQL queries, and data migration testing.
Familiarity with API testing, SQL queries, and data migration testing.
Location: Remote with the UK or Europe - Salary range: £60,000 - £70,000 - compensation outside the UK will be adjusted based on location. Please note: We are unable to sponsor international visas at this time. Were looking for 2 experienced Senior Backend Engineers to join our backend engineering team behind Nexus Mods core services. In this role, you will design, build, and scale the APIs and systems that power Nexus Mods ecosystem. This is a chance to work on problems most companies never see: massive scale, complex compatibility, and passionate user communities. * Helping millions of gamers discover, download, and manage mods effortlessly. * Empowering creators to publish, distribute, and manage their work with confidence. * Building high-traffic APIs that serve millions of requests per hour. * Designing backend systems that support both web and desktop applicatio
Location: Remote with the UK or Europe - Salary range: £60,000 - £70,000 - compensation outside the UK will be adjusted based on location. Please note: We are unable to sponsor international visas at this time. Were looking for 2 experienced Senior Backend Engineers to join our backend engineering team behind Nexus Mods core services. In this role, you will design, build, and scale the APIs and systems that power Nexus Mods ecosystem. This is a chance to work on problems most companies never see: massive scale, complex compatibility, and passionate user communities. * Helping millions of gamers discover, download, and manage mods effortlessly. * Empowering creators to publish, distribute, and manage their work with confidence. * Building high-traffic APIs that serve millions of requests per hour. * Designing backend systems that support both web and desktop applicatio
Deep expertise integrating with Nutanix Prism v4 API and advanced proficiency coding in C# is required. The ideal candidate will also have strong expertise integrating with VMware vCenter API. * Deep expertise of Nutanix Prism v4 API and Nutanix AHV operations. * Strong expertise with VMware vCenter API and VMware ESXi operations.
Deep expertise integrating with Nutanix Prism v4 API and advanced proficiency coding in C# is required. The ideal candidate will also have strong expertise integrating with VMware vCenter API. * Deep expertise of Nutanix Prism v4 API and Nutanix AHV operations. * Strong expertise with VMware vCenter API and VMware ESXi operations.
NEW
API Interaction: Familiarity with APIs, particularly in Python
API Interaction: Familiarity with APIs, particularly in Python
NEW
Understanding of DevOps practices , cloud infrastructure automation (Terraform, Ansible), and scalable API architectures.
Understanding of DevOps practices , cloud infrastructure automation (Terraform, Ansible), and scalable API architectures.