1 to 25 of 122 API Design Jobs in London

partnering with a data-first specialty insurance business seeking a Technical Architect with deep expertise in integration and platform architecture to shape the design and governance of our enterprise ecosystem. Key Responsibilities Integration Architecture Define enterprise integration strategy: API design, messaging patterns, EDA, ETL/ELT processes. … Lead API design, documentation, and governance—RESTful, OpenAPI-compliant, high-performance interfaces. Collaborate with Data Architects/Engineers to operationalize AI models (Gen AI, Agentic AI, LLMs). Establish secure integration standards: OAuth, API keys, and encryption on Azure. Platform Architecture Advise on technology selection, platform implementation ...

partnering with a data-first specialty insurance business seeking a Technical Architect with deep expertise in integration and platform architecture to shape the design and governance of our enterprise ecosystem. Key Responsibilities Integration Architecture Define enterprise integration strategy: API design, messaging patterns, EDA, ETL/ELT processes. … Lead API design, documentation, and governance—RESTful, OpenAPI-compliant, high-performance interfaces. Collaborate with Data Architects/Engineers to operationalize AI models (Gen AI, Agentic AI, LLMs). Establish secure integration standards: OAuth, API keys, and encryption on Azure. Platform Architecture Advise on technology selection, platform implementation ...

Role: API Platform Architect Location: London (2-3days/week On-Site) Job Type: Contract We are seeking an experienced and highly technical API Platform Architect to lead the architecture, engineering, and continuous evolution of our enterprise API Platform. This role is fully hands-on , combining … deep expertise in Azure cloud services, Kubernetes, Terraform, API security, and distributed systems with the ability to guide, review, and contribute to .NET Core API development practices . The architect will define and maintain the vision and standards for the platform while actively engaging in coding, troubleshooting, design ...

Role: API Platform Architect Location: London (2-3days/week On-Site) Job Type: Contract We are seeking an experienced and highly technical API Platform Architect to lead the architecture, engineering, and continuous evolution of our enterprise API Platform. This role is fully hands-on , combining … deep expertise in Azure cloud services, Kubernetes, Terraform, API security, and distributed systems with the ability to guide, review, and contribute to .NET Core API development practices . The architect will define and maintain the vision and standards for the platform while actively engaging in coding, troubleshooting, design ...

designed to enable long-term career progression. Role Summary Our client is seeking an experienced Technical Architect with strong expertise in integration architecture, systems design best practice, and API design. The role will take technical ownership of the organisations enterprise technology landscape. This is a pivotal position within … wide integration strategy, including the governance of integration patterns (such as synchronous APIs, event-driven architecture, asynchronous messaging, and batch ETL). Lead the design and documentation of internal and external APIs, ensuring best practice in RESTful design, versioning, and OpenAPI standards. Work with Engineering and Data teams ...

designed to enable long-term career progression. Role Summary Our client is seeking an experienced Technical Architect with strong expertise in integration architecture, systems design best practice, and API design. The role will take technical ownership of the organisation’s enterprise technology landscape. This is a pivotal position … wide integration strategy, including the governance of integration patterns (such as synchronous APIs, event-driven architecture, asynchronous messaging, and batch ETL). Lead the design and documentation of internal and external APIs, ensuring best practice in RESTful design, versioning, and OpenAPI standards. Work with Engineering and Data teams ...

MuleSoft Architect Key skills: MuleSoft, API management, API Designer, API Manager, and API Studio, Healthcare domain experience and FHIR and HL7 Experience : 10+ years Location : London, UK We at Coforge are seeking “MuleSoft Architect ” with the following skill-set: Job Specification Development of API management … Integration Technology Architect for the adoption of Hybrid Integration or iPaaS solutions, with a particular focus on the MuleSoft Anypoint Platform, including API Designer, API Manager, and API Studio. Define and deliver the integration technology aspects of projects, including the timely production of architectural designs and documentation. ...

MuleSoft Architect Key skills: MuleSoft, API management, API Designer, API Manager, and API Studio, Healthcare domain experience and FHIR and HL7 Experience : 10+ years Location : London, UK We at Coforge are seeking “MuleSoft Architect ” with the following skill-set: Job Specification Development of API management … Integration Technology Architect for the adoption of Hybrid Integration or iPaaS solutions, with a particular focus on the MuleSoft Anypoint Platform, including API Designer, API Manager, and API Studio. Define and deliver the integration technology aspects of projects, including the timely production of architectural designs and documentation. ...

Project Manager, architects, clients & other stakeholders to implement MuleSoft APIs. This role will require knowledge of MuleSoft's Anypoint Studio & Anypoint Platform, which includes Design Center, Runtime Manager, API Manager, Exchange, etc. You must be capable of understanding business requirements, working with stakeholders & implementing complex integrations. Responsibilities: Designing … stakeholders to understand business requirements & translate them into integration solutions. Required Skills: Good experience of: Integration concepts & technologies. MuleSoft Anypoint Platform & components (Mule ESB, API Manager, CloudHub, etc.) Java programming & experience with other programming languages such as XML, JSON, SQL Agile software development methodologies. Cloud-based integration platforms such ...

data streams, ensures millisecond latency for global supply chains, and scales seamlessly as we grow from millions to billions of tracking events. Think API performance and data processing efficiency meets cutting-edge innovation. You'll be designing highly performant and distributed services that ingest and process location and temperature … breakthrough technology is already transforming how companies track and manage their shipments globally, and we're just getting started. Responsibilities Core Service Architecture & Scale Design, develop, and maintain highly scalable back-end services that handle millions of concurrent data ingestion events and user requests. Architect and optimize data processing ...

data streams, ensures millisecond latency for global supply chains, and scales seamlessly as we grow from millions to billions of tracking events. Think API performance and data processing efficiency meets cutting-edge innovation. You'll be designing highly performant and distributed services that ingest and process location and temperature … breakthrough technology is already transforming how companies track and manage their shipments globally, and we're just getting started. Responsibilities Core Service Architecture & Scale Design, develop, and maintain highly scalable back-end services that handle millions of concurrent data ingestion events and user requests. Architect and optimize data processing ...

Work On Lead the evolution of a large-scale Java, Springboot, and MySQL, ensuring it can support a new universal architecture across multiple products. Design and implement new backend features, Unit Testing, API testing, and system improvements to support both web and mobile clients. Contribute to shared architecture … functional models, and backend design patterns to unify services across the organisation. Required Skills & Experience Senior-level expertise building and maintaining commercial, production-scale applications. Deep proficiency in: Java Springboot (server-side development, API design) MySQL (performance optimisation, complex queries, relational modelling) Experience architecting and maintaining distributed ...

Work On Lead the evolution of a large-scale Java, Springboot, and MySQL, ensuring it can support a new universal architecture across multiple products. Design and implement new backend features, Unit Testing, API testing, and system improvements to support both web and mobile clients. Contribute to shared architecture … functional models, and backend design patterns to unify services across the organisation. Required Skills & Experience Senior-level expertise building and maintaining commercial, production-scale applications. Deep proficiency in: Java Springboot (server-side development, API design) MySQL (performance optimisation, complex queries, relational modelling) Experience architecting and maintaining distributed ...

Work On Lead the evolution of a large-scale Java, Springboot, and MySQL , ensuring it can support a new universal architecture across multiple products. Design and implement new backend features, Unit Testing, API testing, and system improvements to support both web and mobile clients. Contribute to shared architecture … functional models, and backend design patterns to unify services across the organisation. Required Skills & Experience Senior-level expertise building and maintaining commercial, production-scale applications . Deep proficiency in: Java Springboot (server-side development, API design) MySQL (performance optimisation, complex queries, relational modelling) Experience architecting and maintaining ...

Work On Lead the evolution of a large-scale Java, Springboot, and MySQL , ensuring it can support a new universal architecture across multiple products. Design and implement new backend features, Unit Testing, API testing, and system improvements to support both web and mobile clients. Contribute to shared architecture … functional models, and backend design patterns to unify services across the organisation. Required Skills & Experience Senior-level expertise building and maintaining commercial, production-scale applications . Deep proficiency in: Java Springboot (server-side development, API design) MySQL (performance optimisation, complex queries, relational modelling) Experience architecting and maintaining ...

Work On Lead the evolution of a large-scale Java, Springboot, and MySQL , ensuring it can support a new universal architecture across multiple products. Design and implement new backend features, Unit Testing, API testing, and system improvements to support both web and mobile clients. Contribute to shared architecture … functional models, and backend design patterns to unify services across the organisation. Required Skills & Experience Senior-level expertise building and maintaining commercial, production-scale applications . Deep proficiency in: Java Springboot (server-side development, API design) MySQL (performance optimisation, complex queries, relational modelling) Experience architecting and maintaining ...

technically proficient Data Analyst to join the IT Department within the Strategy & Architecture Team. This role will have a strong focus on API design and integrations between systems. This role is critical in enabling data-driven decision-making and ensuring seamless data exchange across internal systems and external … platforms. Key Responsibilities Analyse and interpret complex datasets to support IT operations and strategic initiatives. Design, document, and maintain APIs that facilitate secure and efficient integration of data between systems. Create data dictionaries that describe data structures, elements, their meanings, and relationships within a dataset or database. Create Business ...

technically proficient Data Analyst to join the IT Department within the Strategy & Architecture Team. This role will have a strong focus on API design and integrations between systems. This role is critical in enabling data-driven decision-making and ensuring seamless data exchange across internal systems and external … platforms. Key Responsibilities Analyse and interpret complex datasets to support IT operations and strategic initiatives. Design, document, and maintain APIs that facilitate secure and efficient integration of data between systems. Create data dictionaries that describe data structures, elements, their meanings, and relationships within a dataset or database. Create Business ...

Data Analyst *** DVF are currently supporting a leading Law Practice look to hire a Data Analyst. This role will have a strong emphasis on API design and integrations between systems. This role is pivotal in enabling data driven decision making and ensuring seamless data exchange across internal systems … below: Data Analyst London based (x2 days) Must haves: Hands on experience with SQL, Python and wider Microsoft technologies. Hands on experience with RESTful API Design, Documentation (e.g. Swagger/OpenAPI), and testing tools (e.g. Postman). Familiarity with Azure and Data Services. Get in touch to find ...

Data Analyst *** DVF are currently supporting a leading Law Practice look to hire a Data Analyst. This role will have a strong emphasis on API design and integrations between systems. This role is pivotal in enabling data driven decision making and ensuring seamless data exchange across internal systems … below: Data Analyst London based (x2 days) Must haves: Hands on experience with SQL, Python and wider Microsoft technologies. Hands on experience with RESTful API Design, Documentation (e.g. Swagger/OpenAPI), and testing tools (e.g. Postman). Familiarity with Azure and Data Services. Get in touch to find ...

platform Ship production to code and have end to end ownership of your work Working on complex challenges such as financial transaction analysis and API design Play a Key role in shaping their engineering culture as they continue to grow their team What they need: A product minded … Typescript, Node, Express & React. Nice to haves would be React Native and AWS. Ideally experience in or an interest in FinTech. Good experience with API design and databases (they are using PostgreSQL) Key Details: Salary £60k-£80k depending on experience London based (Hoxton), 4 days onsite Benefits include ...

front-end architecture, crafting fast, intuitive, data-rich experiences. You’ll also work closely across the stack with the ability to influence backend design, shaping API contracts, and helping define the patterns and architecture the team will build on. Stack: Frontend: TypeScript, React, Next.js, Tailwind, React Query … serverless technologies, CI/CD, cloud deployment (Azure) Architecture Define the technical direction for our frontend stack. Help shape backend architecture Define and maintain API interfaces and schemas Front-end Build data-heavy user interfaces: queues, views, timelines and dashboards. Help design component structure, layouts, and UI patterns. ...

front-end architecture, crafting fast, intuitive, data-rich experiences. You’ll also work closely across the stack with the ability to influence backend design, shaping API contracts, and helping define the patterns and architecture the team will build on. Stack: Frontend: TypeScript, React, Next.js, Tailwind, React Query … serverless technologies, CI/CD, cloud deployment (Azure) Architecture Define the technical direction for our frontend stack. Help shape backend architecture Define and maintain API interfaces and schemas Front-end Build data-heavy user interfaces: queues, views, timelines and dashboards. Help design component structure, layouts, and UI patterns. ...

Embedding model optimisation and semantic search Context window management and chunking strategies MCP & Tool Integration Model Context Protocol (MCP) implementation LLM tool calling and API design AWS Lambda integration with agents AI Safety & Evaluation Guardrail implementation (hallucination detection, toxicity filtering) Response evaluation frameworks and A/B testing … Advanced Python AWS SDK (boto3) Infrastructure as Code awareness (CloudFormation/Terraform) Git and CI/CD for ML systems UX Engineer - Skills & Requirements Design & Prototyping Advanced Figma skills Wireframing, interactive prototyping, and design systems Responsive web and mobile design Conversational UX Chatbot and conversational interface design ...

Embedding model optimisation and semantic search Context window management and chunking strategies MCP & Tool Integration Model Context Protocol (MCP) implementation LLM tool calling and API design AWS Lambda integration with agents AI Safety & Evaluation Guardrail implementation (hallucination detection, toxicity filtering) Response evaluation frameworks and A/B testing … Advanced Python AWS SDK (boto3) Infrastructure as Code awareness (CloudFormation/Terraform) Git and CI/CD for ML systems UX Engineer - Skills & Requirements Design & Prototyping Advanced Figma skills Wireframing, interactive prototyping, and design systems Responsive web and mobile design Conversational UX Chatbot and conversational interface design ...