1 to 25 of 47 API Integration Jobs in London

button (we appreciate not an easy task!). To start making steps on this journey, the successful applicant will: Take complete ownership of integration processes with external systems, ensuring seamless connectivity and high levels of client satisfaction. Create robust, innovative technologies for optimised client implementations. Collaborate closely with Client … improving diagnostics, logging, and tracing to aid technical support teams in resolving issues swiftly. Oversee the ongoing development and management of the public API, covering REST and event streaming functionality to support bespoke client integrations. Produce comprehensive technical documentation for both internal stakeholders and external users, leveraging tools like ...

classification, regression, clustering, and NLP tasks. Understanding of model evaluation metrics, hyperparameter tuning, feature engineering, and MLOps practices for production deployment. Generative AI & LLM Integration - Proficient in working with Large Language Models including OpenAI GPT models, Anthropic Claude, Azure OpenAI, and open-source alternatives (Llama, Mistral). Experience with … automation solutions that leverage natural language understanding. Appian BPA Platform - Strong experience with Appian low-code platform including process modelling, interface design, expression rules, integration objects, and data modelling. Skilled in building end-to-end business process applications, configuring workflows, implementing business rules, managing records, and integrating Appian with ...

classification, regression, clustering, and NLP tasks. Understanding of model evaluation metrics, hyperparameter tuning, feature engineering, and MLOps practices for production deployment. Generative AI & LLM Integration - Proficient in working with Large Language Models including OpenAI GPT models, Anthropic Claude, Azure OpenAI, and open-source alternatives (Llama, Mistral). Experience with … automation solutions that leverage natural language understanding. Appian BPA Platform - Strong experience with Appian low-code platform including process modelling, interface design, expression rules, integration objects, and data modelling. Skilled in building end-to-end business process applications, configuring workflows, implementing business rules, managing records, and integrating Appian with ...

deployment, and prompt engineering Agentic workflow development, ideally using AWS AgentCore Multi-agent orchestration frameworks such as AWS Strands Agents, LangGraph, or similar LLM integration and fine-tuning (Claude, GPT-4, or equivalent) Strong prompt engineering skills, including chain-of-thought reasoning RAG & Knowledge Systems Implementation of Retrieval-Augmented … Experience with vector databases such as CockroachDB, Pinecone, or similar 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 ...

deployment, and prompt engineering Agentic workflow development, ideally using AWS AgentCore Multi-agent orchestration frameworks such as AWS Strands Agents, LangGraph, or similar LLM integration and fine-tuning (Claude, GPT-4, or equivalent) Strong prompt engineering skills, including chain-of-thought reasoning RAG & Knowledge Systems Implementation of Retrieval-Augmented … Experience with vector databases such as CockroachDB, Pinecone, or similar 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 ...

technical ownership. Core skills include: 5+ years’ experience developing front-end applications with React and TypeScript. Proficiency in state management. Strong understanding of RESTful API integration, authentication, and security practices. Experience with CI/CD pipelines (Azure DevOps or similar) and automated testing (Jest, Cypress). Solid grounding ...

build their business. Role Theyre looking for a Java Engineer to join their implementation team. Youll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration helping their public-sector clients build secure, scalable, and resilient digital services. Youll collaborate with solution architects, business analysts …/CD pipelines, and automated testing frameworks Understanding of event-driven design and message brokers (e.g. Kafka, RabbitMQ) Good knowledge of security, authentication, and integration patterns for enterprise systems Experience working in agile teams within digital transformation or automation programmes A willingness to learn BPMN and Camunda tooling Some ...

business. Role They’re looking for a Java Engineer to join their implementation team. You’ll work across Camunda BPMN/DMN process automation, API integration, and microservice orchestration — helping their public-sector clients build secure, scalable, and resilient digital services. You’ll collaborate with solution architects, business …/CD pipelines, and automated testing frameworks Understanding of event-driven design and message brokers (e.g. Kafka, RabbitMQ) Good knowledge of security, authentication, and integration patterns for enterprise systems Experience working in agile teams within digital transformation or automation programmes A willingness to learn BPMN and Camunda tooling Some ...

Management. Proven track record of leading frontend and mobile engineering teams , delivering high-quality applications in React/React Native. Strong understanding of secure API integration , authentication flows , and modern UI/UX architecture . Comfortable guiding teams through design implementation , collaborating with product and design using tools ...

mobile engineering teams , delivering high-quality applications in React/React Native , Swift (iOS) , and/or Kotlin (Android) . Strong understanding of secure API integration , authentication flows , and modern UI/UX architecture . Comfortable guiding teams through design implementation , collaborating with product and design using tools ...

large-scale environments , ideally within Investment, Asset, or Wealth Management . Deep expertise in React or React Native , with hands-on experience in secure API integration , authentication flows , and frontend architecture . Skilled in writing clean, maintainable, and well-tested code , with a strong grasp of TDD/ ...

Experience with ETL/data pipelines, containerisation (Docker/Kubernetes), and cloud environments (AWS/GCP) Strong grasp of databases (SQL/NoSQL) and API integrations Collaborative mindset and clear communication ...

Data Lake Work with Python, SQL, Spark, AWS, Docker, CI/CD Orchestrate workflows using Airflow, Prefect, or Dagster Support ETL, API integrations, and high-quality data validation Translate business needs into technical solutions with full ownership What You Need STEM degree (Computer Science, Engineering, Maths, etc.) 2+ years ...

following: React , React Native , TypeScript, JavaScript (ES6+), HTML, CSS, Component-Driven Architecture, Design Systems, State Management (Redux, MobX, Apollo, Zustand), Accessibility, Testing, Performance Optimisation, API Integration, Vite, Webpack, Storybook, and mobile development using React Native . All positions come with the following benefits: * Unlimited holiday* Free medical, dental ...

days in London office What you'll do: Refactor C# apps into Python for performance Build real-time data pipelines with Snowplow Develop API integrations (Appsflyer, Firebase, sGTM) Design cloud solutions in Azure with alerting and failover Ensure scalability and reliability across global operations Tech Stack: Python (Flask, FastAPI ...

days in London office What you'll do: Refactor C# apps into Python for performance Build real-time data pipelines with Snowplow Develop API integrations (Appsflyer, Firebase, sGTM) Design cloud solutions in Azure with alerting and failover Ensure scalability and reliability across global operations Tech Stack: Python (Flask, FastAPI ...

systems Solve high-impact problems (including the ones we havent discovered yet) Tech youll work with Python + TypeScript/Node.js (in equal measure) API integrations, ETL, schema validation React/TypeScript, Supabase, AWS Data quality systems and pipeline tooling Whatever the mission requires we optimise for impact ...

days in London office What you'll do: Refactor C# apps into Python for performance Build real-time data pipelines with Snowplow Develop API integrations (Appsflyer, Firebase, sGTM) Design cloud solutions in Azure with alerting and failover Ensure scalability and reliability across global operations Tech Stack: Python (Flask, FastAPI ...

Cloud DevOps Engineer, Platform Engineer, or similar role. Strong understanding of cloud security and compliance in financial services. Proficiency in Python for automation and API integration. Hands-on experience with routing protocols and high-availability architectures. Expertise in Infrastructure-as-Code and modern DevOps methodologies. Solid Linux knowledge ...

domain including delivering software solutions in an agile environment in the Insurance sector, desirable property & casualty insurance industry. Experience with Salesforce, HyperXponential, GenAI Experience API integrations. Guidant, Carbon60, Lorien & SRG - The Impellam Group Portfolio are acting as an Employment Business in relation to this vacancy. ...

Familiarity with tools like Trulens, HumanLoop, PromptLayer, or similar; experience designing QA approaches for GenAI environments. Knowledge of modern AI architectures (RAG pipelines, embeddings, API integrations such as OpenAI, Azure OpenAI, Anthropic). Experience designing and implementing structured test regimes in fast-evolving contexts. Excellent communication and facilitation skills ...

attribution platforms Support the data and analytics teams to define and implement segmentation, audience management, and real-time personalization strategies. Ensure scalable, resilient API integration between MarTech tools, the Bonus Engine, product systems, and data warehouses Define and manage the Bonus Engine roadmap, evolving API capabilities ...

years of total IT experience. Hands-on experience with production-grade AI/ML projects, including at least two successful deployments. Strong expertise in: API integration & inter-service communication (REST, Kafka) Authentication/Authorization (OAuth2, JWT, Azure AD) NLP techniques (NER, classification, chunking, summarization, QA) RAG architectures ...

Clouds, (SFMC desirable). Strong expertise in Apex classes, triggers, Lightning Web Components (LWC), and Visualforce pages. Hands-on experience with REST and SOAP API integrations. Familiarity with BAU tasks like configuration and flows. Ability to work more independently. What's on Offer? £60,000 - £70,000 per year ...

title: Integration Specialist - HL7/FHIR Client: HealthTech Salary: £50,000-£70,000 + Bonus Location: Remote Skills: HL7, FHIR, SSL, SNOMED, ICD-10, SUS+ The role: My client is looking for an Integration Specialist to join their team. Ideally you will stem from an EPR Vendor background … however NHS experience in also acceptable. Core responsibilities: Participating in/leading Integration projects HL7 and FHIR based Integration work Assisting in interoperability design documentation Managing security certificates via SSL Assisting customers with various EPR integration aspects API Integrations Liaising with multiple departments to assure smooth ...