1 to 25 of 74 API Integration Jobs in London

Integration Engineer | EMEA | Boomi | Full-Time | Hybrid | Mapping | Data Structures EDI Engineer (EMEA) – API & Integration Specialist A leading global organisation is seeking an experienced EDI Engineer to join its Digital & Data function within the EMEA region. This role is ideal for someone who enjoys complex integration challenges, modern API-driven design, and working across multiple business and technical teams. Salary: Competitive Location: Hybrid - London (1/2 days a week) Boomi experience is a MUST You will play a key role in supporting two major initiatives: ✔ Onboarding a new EDI platform ✔ Delivering a large ...

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 reviews, and production support. Key Responsibilities & Requirements 1. Architecture Leadership & Platform Ownership Own the architecture, design, standards, patterns ...

Title : Workday Integration Developer 3 months Remote Inside IR35 - umbrella only Role requirements: Minimum of 3 years of experience with Workday HCM integrations - development, maintenance & support. Experience of Workday Integration Tools: Proficiency with Workday's integration tools and technologies, including Workday Studio, Enterprise Interface Builder … Workday Web Services (WWS). System Integration: Skills in integrating Workday with external systems, such as ERP, CRM. Workday report writer and Payroll interfaces PECI & PICOF. Programming Languages: Knowledge of programming languages such as XSLT for data transformation and scripting languages like JavaScript or Groovy for custom integrations. API ...

data from internal and external APIs, SFTP endpoints, on-premise databases, and cloud data platforms. Use Python extensively within Fabric notebooks for data processing, API integration, automation, and advanced transformation logic. Develop and maintain Fabric Dataflows, Pipelines, Lakehouse tables, and Warehouse objects to support enterprise analytics and downstream … Medallion Architecture with clear responsibility for engineering Bronze and Silver layers that support reliable downstream consumption. Advanced Python skills for ETL or ELT processes, API integration, data manipulation, and data quality enforcement. SQL proficiency with experience in schema design, performance tuning, and analytical data modelling. Proven experience integrating ...

based solutions Design, build, maintain, and continuously improve automation frameworks and test suites, with a strong focus on ServiceNow Develop automated tests across UI, API, integration, performance, accessibility, and compatibility testing layers Work closely with engineers during development to identify defects early, validate ServiceNow configurations, and ensure solutions … structured and maintainable automated test suites Solid experience writing TypeScript or JavaScript, with a good understanding of object-oriented programming principles Strong understanding of API integration testing, functional end-to-end testing, accessibility, and cross-browser testing Experience testing ServiceNow integrations and APIs, using tools such as Postman ...

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 ...

short-term delivery needs with long-term maintainability and scalability. Ensure applications are performant, accessible, secure, and compliant with relevant standards and regulations. Platform & Integration Lead the integration of front-end platforms with backend services using GraphQL APIs, and third-party systems to deliver seamless … accessibility standards. Experience designing and maintaining CI/CD pipelines , using version control effectively, and working within modern development workflows. Solid understanding of secure API integration , authentication and authorisation flows , and modern UI architecture (GraphQL experience preferred). Comfortable leading design implementation and collaborating closely with Product ...

short-term delivery needs with long-term maintainability and scalability. Ensure applications are performant, accessible, secure, and compliant with relevant standards and regulations. Platform & Integration Lead the integration of mobile platforms with backend services using GraphQL APIs, and third-party systems to deliver seamless end-to-end user … Native is essential , with a strong grasp of front-end design patterns and best practices in mobile SDLC. Proven experience of REST/GraphQL API integration with mobile applications Solid understanding of mobile application fundamentals: iOS/Android app lifecycle, performance constraints and release management Proven hands ...

Engineer to support a large-scale mainframe modernisation programme within a complex enterprise environment. This is a contract role, ideal for specialists in secure API integration and legacy-to-digital transformation. The Role Youll design, build and support high-performance integration solutions using IBM DataPower Gateway, exposing … core mainframe services as modern APIs. Working across hybrid environments, youll bridge z/OS applications with API platforms and cloud-native services, ensuring security, resilience and scalability. Key Responsibilities Design and configure IBM DataPower services (MPGW, XML Firewall, WS-Proxy) Expose CICS, IMS, DB2 and MQ services ...

Applications Manager/Applications Manager Knowledge, Sills and Experience: * Proficient in SQL, C#, Python, Java, HTML/CSS, and related development frameworks. * Understanding of API integration, data modelling, and application performance tuning. * Strong project management skills are essential for implementing new systems or major upgrades. * Experience managing software ...

essential. Required experience includes 5+ years in PowerApps development, strong capability in Power Automate and Dataverse, and advanced understanding of data modelling, connectors and API integrations. You should be proficient in Power Fx, comfortable working with Azure services and experienced in enterprise deployments. Strong leadership, communication and problem-solving ...

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 ...

similar certifications desirable] with recent experience of designing, documenting, and delivering complex digital solutions. Undertake development of customising Dataverse, canvas apps, API integration's with 3rd party systems. Any experience with AI, automation and digital service design principles Work closely with the wider team such ...

similar certifications desirable] with recent experience of designing, documenting, and delivering complex digital solutions. Undertake development of customising Dataverse, canvas apps, API integration's with 3rd party systems. Any experience with AI, automation and digital service design principles Work closely with the wider team such ...

development Solid knowledge of Dataverse including data modelling, relationships, business rules, and role-based security Proven C# development experience for plugins, custom workflows, and API integrations Experience implementing Power Platform ALM using solutions, build tools, and deployment pipelines Background working in secure or regulated environments, with strong awareness ...

Central London during the week. We are seeking Engineers skilled in python with a strong focus on GenAI AI and LLMs to lead the integration of cutting-edge language technologies into real-world applications. If youre someone passionate about building scalable, responsible, and high-impact GenAI solutions then this … help make your application as relevant as possible, please ensure your CV demonstrates any prior experience you have relating to the below; System Integration & Deployment Model Deployment: Flask, FastAPI, MLflow Model Serving: Triton Inference Server, Hugging Face Inference Endpoints API Integration: OpenAI, Anthropic, Cohere, Mistral APIs ...

Strong experience in Dynamics 365 CE development (plugins, workflows, JavaScript, C#). Familiarity with Power Platform and Dataverse . Knowledge of Azure services and API integrations. Excellent communication and problem-solving skills. What's on Offer Competitive salary up to £55,000 . Hybrid working model (London office). ...

JavaScript/TypeScript, HTML5, CSS3. Translate UI/UX designs into clean, reusable code. Optimise apps for performance and accessibility. Manage application state and API integrations. Work within a friendly, collaborative team. What we’re looking for: Strong React, Vue or Angular and JavaScript (ES6+) skills. Experience with TypeScript ...

plus Exceptional communication skills across technical and non-technical audiences Experience managing direct reports Strong analytical mindset and data-driven decision-making Understanding of API integrations and Agile methodologies Bonus: Experience building optimisation or AI/ML-powered AdTech solutions Background growing products across multiple verticals Industry thought leadership ...

plus Exceptional communication skills across technical and non-technical audiences Experience managing direct reports Strong analytical mindset and data-driven decision-making Understanding of API integrations and Agile methodologies Bonus: Experience building optimisation or AI/ML-powered AdTech solutions Background growing products across multiple verticals Industry thought leadership ...

between the "what" (business needs) and the "how" (technical configuration), combining deep domain knowledge of originations and servicing with hands-on experience in API integrations, data modeling, and system architecture. Key Responsibilities Requirement Engineering & Technical Design Lead Discovery Workshops: Drive sessions with clients to elicit functional and non-functional … requirements specifically for mortgage originations, underwriting, and commercial lending workflows. Technical Specifications: Translate business needs into detailed technical documentation, including User Stories, API definitions, Data Flow Diagrams, and Sequence Diagrams. Gap Analysis: Conduct deep-dive analysis to determine how lending requirements map to FintechOS out-of-the-box capabilities ...

development and orchestration. Proficient with cloud platforms (Snowflake, AWS fundamentals). Solid understanding of data architecture, warehousing, and modeling. Programming expertise: Python, Spark, SQL, API integration. Knowledge of ML/AI frameworks, MLOps, and advanced analytics concepts. Experience with CI/CD, data testing frameworks, and versioning strategies. Ability ...

smooth transitions, and responsive layouts User onboarding, application flows, and status tracking Admin-driven workflows and internal review tools Secure authentication and backend/API integrations App Store and Google Play deployment Tech expectations .NET MAUI strongly preferred Proven experience implementing apps directly from Figma Strong mobile UI/ ...

Swift: UIKit experience ● Deep knowledge of MVVM & Clean Architecture patterns ● Track record of building modular & testable code ● Good understanding of dependency injection ● Experience in API integration (REST, JSON) ● Experience with Git source control ● Exposure to AI-assisted development ● Demonstrated track record of shipping, owning, and maintaining complex Android … applications in production environments Nice to have ● Experience using the JSON:API spec ● SwiftUI VIPER, either Combine or RxSwift ● Experience working with large, multi-modular projects ● Exposure to CI/CD pipelines ● Strong UI/animation sensibility ● Experience with multi-tenant or white-label apps Working at The Dots ...

mobile development patterns. Proven track record of shipping complex mobile applications to production Comfortable mentoring peers and supporting technical decision-making. Solid understanding of API integration (GraphQL and/or REST). Strong communication skills — able to work effectively with engineers, product managers, and designers. Experience with native ...