1 to 25 of 33 Permanent 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 ...

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/ ...

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. ...

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 ...

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 ...

Senior Backend Engineer (Telco Integration Lead) We are seeking a deeply technical and security-minded Senior Backend Engineer to join a newly-founded, high-impact AI joint venture. Backed by five of the world's leading telecommunications giants, our mission is to restore trust in global voice communication . … seeking a foundational engineer to own our single greatest strategic asset: our unique, privileged access to network-level intelligence via the GSMA CAMARA API standard. This is our right to win, and you will be the engineer responsible for building the bridge to it. You will be the Critical ...

driven environments. Expertise in a range of programming languages, tools, and technologies. Hands-on experience with cloud platforms (AWS preferred). Strong knowledge of API integration. Track record of delivering high-value products in large, complex organizations, ideally FTSE100 Group enterprises or similar Proven experience in developing, testing,... ...

technical stakeholders Proficient in SFMC modules: Email Studio, Journey Builder, Automation Studio Strong knowledge of AMPscript and SQL for data manipulation Experience with API integrations and troubleshooting complex workflows Understanding of lifecycle marketing, segmentation, and personalisation strategies Familiarity with GDPR and data compliance in marketing automation Ability to diagnose ...

Responsibilities: • Take ownership of quality and test risk, shaping release confidence and engineering decisions across the platform• Define and evolve test strategies across unit, integration, contract, and UI layers, aligned to the test pyramid• Deliver hands on automation and quality engineering across two key domains: AI agents … systems• Programming experience in C# .NET or Python• Solid database knowledge and hands on experience working with data driven systems• Experience testing and validating API integrations• Exposure to security and load testing practices• Strong CI/CD pipeline experience, ideally using Azure DevOps• Performance testing experience using tools such ...

/C360 modules , including Data Model, Match/Merge, Data Quality, Hierarchy Manager, and IDD. Develop and optimize SIF APIs, BDD , and Real Time integration services. Work with business stakeholders to gather requirements, design MDM solution architectures, and ensure high data quality across systems. Configure and manage C360 SaaS … environments (if applicable). Monitor and tune MDM performance, batch jobs, and match/merge rules. Data Integration & Cloud (AWS) Build and maintain data pipelines integrating MDM with source/target systems on AWS. Work with AWS services such as: EC2, S3, RDS/Redshift, Lambda, Glue, CloudWatch, Step ...

maintaining data pipelines, automating workflows, and supporting analytics across the organisation. You'll collaborate closely with IT and digital teams to ensure seamless integration between systems and empower data-driven insight through platforms like Snowflake , Azure Data Factory , and Power BI . Key Responsibilities Build and maintain ETL/… pipelines using Azure Data Factory and Matillion ETL Manage data ingestion, transformation, and storage in Snowflake Develop API integrations to connect multiple business systems Support self-service analytics through Power BI and QlikSense Implement best practices for data modelling, governance, and optimisation What You'll Bring Experience with ...