1 to 25 of 167 DemandTrendPermanent API Integration Jobs in the UK excluding London

Data Integration Specialist (Excel & API Focus) – Join a high-growth fintech innovator. Are you an Excel expert with a passion for data integration? A fast-growing financial technology company—trusted by leading global banks, hedge funds, and asset managers—is seeking a skilled Data Integration Specialist to support our Excel Add-in and data distribution tools. … What You’ll Do Support installation, deployment, and troubleshooting of our Excel Add-in across client systems. Ensure seamless integration of financial data into the Windows ecosystem . Assist clients with configuration, troubleshooting, and user adoption. Work on API integration projects and provide technical expertise. What You’ll Bring Deep expertise in MS Excel (add-ins, VBA … troubleshooting). Strong background in the Windows environment and desktop integrations. Previous experience at major data providers (Bloomberg, FactSet, S&P, or similar) highly desirable. API integration knowledge is a plus. Excellent communication skills with a client-first approach. Why Join Us? Be part of a rapidly scaling fintech innovator at the forefront of credit data analytics. Work More ❯

Data Integration Specialist (Excel & API Focus) – Join a high-growth fintech innovator. Are you an Excel expert with a passion for data integration? A fast-growing financial technology company—trusted by leading global banks, hedge funds, and asset managers—is seeking a skilled Data Integration Specialist to support our Excel Add-in and data distribution tools. … What You’ll Do Support installation, deployment, and troubleshooting of our Excel Add-in across client systems. Ensure seamless integration of financial data into the Windows ecosystem . Assist clients with configuration, troubleshooting, and user adoption. Work on API integration projects and provide technical expertise. What You’ll Bring Deep expertise in MS Excel (add-ins, VBA … troubleshooting). Strong background in the Windows environment and desktop integrations. Previous experience at major data providers (Bloomberg, FactSet, S&P, or similar) highly desirable. API integration knowledge is a plus. Excellent communication skills with a client-first approach. Why Join Us? Be part of a rapidly scaling fintech innovator at the forefront of credit data analytics. Work More ❯

Data Integration Specialist (Excel & API Focus) – Join a high-growth fintech innovator. Are you an Excel expert with a passion for data integration? A fast-growing financial technology company—trusted by leading global banks, hedge funds, and asset managers—is seeking a skilled Data Integration Specialist to support our Excel Add-in and data distribution tools. … What You’ll Do Support installation, deployment, and troubleshooting of our Excel Add-in across client systems. Ensure seamless integration of financial data into the Windows ecosystem . Assist clients with configuration, troubleshooting, and user adoption. Work on API integration projects and provide technical expertise. What You’ll Bring Deep expertise in MS Excel (add-ins, VBA … troubleshooting). Strong background in the Windows environment and desktop integrations. Previous experience at major data providers (Bloomberg, FactSet, S&P, or similar) highly desirable. API integration knowledge is a plus. Excellent communication skills with a client-first approach. Why Join Us? Be part of a rapidly scaling fintech innovator at the forefront of credit data analytics. Work More ❯

code practices. What will you be doing Backend Development: Develop, test, and maintain Python-based backend services, leveraging asynchronous programming and multithreading to optimize performance and scalability where appropriate. API Integration: Develop, document, and consume RESTful APIs, including integration with Microsoft Graph APIs and other third-party systems. Security Compliance: Implement robust authentication and authorization mechanisms and … enforce security best practices to safeguard API communication and data integrity. Cloud Engineering: Design and implement components using Azure services such as Function Apps, API Management, Application Gateway, Azure AI Foundry, Databricks and Service Bus. DevOps & CI/CD: Collaborate on build and deployment automation using Git, Azure DevOps, and CI/CD pipelines. Workflow Automation: Collaborate with … Requirements Experience: Significant professional experience in backend development as a Senior role. Languages/Frameworks: Strong proficiency in Python with hands-on experience in asynchronous programming, concurrency and multithreading. API Expertise: Proven experience in building and integrating APIs, with expertise in API documentation and schema definition using OpenAPI/Swagger. Strong understanding of RESTful API design, authentication More ❯

code practices. What will you be doing Backend Development: Develop, test, and maintain Python-based backend services, leveraging asynchronous programming and multithreading to optimize performance and scalability where appropriate. API Integration: Develop, document, and consume RESTful APIs, including integration with Microsoft Graph APIs and other third-party systems. Security Compliance: Implement robust authentication and authorization mechanisms and … enforce security best practices to safeguard API communication and data integrity. Cloud Engineering: Design and implement components using Azure services such as Function Apps, API Management, Application Gateway, Azure AI Foundry, Databricks and Service Bus. DevOps & CI/CD: Collaborate on build and deployment automation using Git, Azure DevOps, and CI/CD pipelines. Workflow Automation: Collaborate with … Requirements Experience: Significant professional experience in backend development as a Senior role. Languages/Frameworks: Strong proficiency in Python with hands-on experience in asynchronous programming, concurrency and multithreading. API Expertise: Proven experience in building and integrating APIs, with expertise in API documentation and schema definition using OpenAPI/Swagger. Strong understanding of RESTful API design, authentication More ❯

code practices. What will you be doing Backend Development: Develop, test, and maintain Python-based backend services, leveraging asynchronous programming and multithreading to optimize performance and scalability where appropriate. API Integration: Develop, document, and consume RESTful APIs, including integration with Microsoft Graph APIs and other third-party systems. Security Compliance: Implement robust authentication and authorization mechanisms and … enforce security best practices to safeguard API communication and data integrity. Cloud Engineering: Design and implement components using Azure services such as Function Apps, API Management, Application Gateway, Azure AI Foundry, Databricks and Service Bus. DevOps & CI/CD: Collaborate on build and deployment automation using Git, Azure DevOps, and CI/CD pipelines. Workflow Automation: Collaborate with … Requirements Experience: Significant professional experience in backend development as a Senior role. Languages/Frameworks: Strong proficiency in Python with hands-on experience in asynchronous programming, concurrency and multithreading. API Expertise: Proven experience in building and integrating APIs, with expertise in API documentation and schema definition using OpenAPI/Swagger. Strong understanding of RESTful API design, authentication More ❯

them “at the touch of a button.” While that may be ambitious, the successful candidate will play a key role in moving towards this goal by: Taking ownership of integration processes with external systems, ensuring seamless connectivity and client satisfaction. Collaborating with Client Solutions and other teams to understand requirements and deliver tailored solutions. Designing and implementing scalable, future … proof architectures for new connectors and integrations. Enhancing observability with better diagnostics, logging, and tracing to support technical teams. Overseeing the development and management of the public API (REST event streaming functionality). Producing clear, accessible technical documentation, using tools like Swagger. Driving the creation of self-serve capabilities to empower clients to manage integrations independently. What the Role … let us know by emailing (if this address has been removed by the job board, full details are available on our website). Keywords Head of Integrations/Technical Integration Lead/API Integration Manager/SaaS Integration Engineer/Full Stack Developer/Solutions Architect/Cloud Engineer/Platform Integrations Lead/Node.js/ More ❯

a Software Developer and play a key role in expanding our cutting-edge SaaS platform into the North American market. This hybrid role blends hands-on Software Development, Application Integration and 3rd line support, giving you the opportunity to shape customer experiences and optimise system performance from day one. You will use technologies such as C#, Angular, SQL and … Powershell for automating tasks. Role: Integration Developer, Full Stack Developer, Application Integration Engineer, Platform Integration Engineer, Integration & Support Developer, Intergration Software Engineer, Location: Hybrid (2 days in the office) Office is in Ludlow, Shropshire Salary: £45k - £50k base salary + Bonus Benefits: 5% pension, 25 days holiday, 2 wellbeing days, Christmas shutdown, private healthcare, life assurance … tickets & more You'll Design, develop and maintain integrations, imports, and exports, while resolving complex issues and supporting our onboarding and rollout strategies. With strong SQL, PowerShell, C#, and API integration skills, you ll thrive in a role that s equal parts technical delivery and customer-focused support. We offer a collaborative, forward-thinking environment where your impact More ❯

a Software Developer and play a key role in expanding our cutting-edge SaaS platform into the North American market. This hybrid role blends hands-on Software Development, Application Integration and 3rd line support, giving you the opportunity to shape customer experiences and optimise system performance from day one. You will use technologies such as C#, Angular, SQL and … Powershell for automating tasks. Role: Integration Developer, Full Stack Developer, Application Integration Engineer, Platform Integration Engineer, Integration & Support Developer, Intergration Software Engineer, Location: Hybrid (2 days in the office) – Office is in Ludlow, Shropshire Salary: £45k - £50k base salary + Bonus Benefits: 5% pension, 25 days holiday, 2 wellbeing days, Christmas shutdown, private healthcare, life assurance … tickets & more You'll Design, develop and maintain integrations, imports, and exports, while resolving complex issues and supporting our onboarding and rollout strategies. With strong SQL, PowerShell, C#, and API integration skills, you'll thrive in a role that's equal parts technical delivery and customer-focused support. We offer a collaborative, forward-thinking environment where your impact More ❯

scope client requirements to configure the platform accordingly • Document any functional gaps and communicate with internal development teams • Create and maintain technical documentation to support delivery and ongoing use API & Integration • Support and advise clients on integrating third-party systems (e.g., ERP, GIS, compliance tools) • Build reports and dashboards to reflect operational data and meet business requirements • Ensure … seamless data flow and stable integration between systems Collaboration & Communication • Partner with internal stakeholders (Product, QA, Development, Support) to deliver tailored solutions • Participate in the creation of test plans for implementations • Clearly communicate technical concepts to both technical and non-technical audiences • Act as the key technical contact during onboarding, pre-sales discussions, and post-go-live support What … They’re Looking For • 2–5 years’ experience in SaaS implementation, technical consulting, or similar roles • Strong understanding of API integration, data formats (JSON, CSV, XML), and querying with SQL • Solid programming or scripting experience (e.g., JavaScript, Python, PHP) • Familiar with tools such as Postman, Tableau, or Power BI • Knowledge of identity providers (e.g., Okta, Auth0, Azure AD More ❯

scope client requirements to configure the platform accordingly • Document any functional gaps and communicate with internal development teams • Create and maintain technical documentation to support delivery and ongoing use API & Integration • Support and advise clients on integrating third-party systems (e.g., ERP, GIS, compliance tools) • Build reports and dashboards to reflect operational data and meet business requirements • Ensure … seamless data flow and stable integration between systems Collaboration & Communication • Partner with internal stakeholders (Product, QA, Development, Support) to deliver tailored solutions • Participate in the creation of test plans for implementations • Clearly communicate technical concepts to both technical and non-technical audiences • Act as the key technical contact during onboarding, pre-sales discussions, and post-go-live support What … They’re Looking For • 2–5 years’ experience in SaaS implementation, technical consulting, or similar roles • Strong understanding of API integration, data formats (JSON, CSV, XML), and querying with SQL • Solid programming or scripting experience (e.g., JavaScript, Python, PHP) • Familiar with tools such as Postman, Tableau, or Power BI • Knowledge of identity providers (e.g., Okta, Auth0, Azure AD More ❯

GCP Integration-Focused Developer Location: Warwick, UK (Hybrid 3 days on-site per week) Contract: 6 months rolling Day Rate: £380 ( inside IR35) We are seeking a skilled and detail-oriented GCP Integration-Focused Developer to join our team. You will design, build, and manage API-based integrations across Google Cloud Platform, ensuring secure, scalable, and high … performing solutions. Key Responsibilities Develop and manage RESTful API integrations using signed URLs, API Keys, and OAuth2. Implement MuleSoft/Apigee (APG) request/response formats in integration workflows. Design and deploy Google Cloud Functions with Google Cloud Storage triggers for event-driven automation. Work with Data Locker Studio for data management and transfer workflows. Create and … branching, and code reviews. Collaborate with cross-functional teams in an agile environment. Ensure integrations are secure, scalable, and follow cloud best practices. Essential Skills & Experience Proven experience in API integration patterns and tools. Strong knowledge of OAuth2, API Keys, and signed URL authentication methods. Experience with MuleSoft or Apigee middleware integration. Hands-on expertise with GCP More ❯

managers, wealth advisors, and multi-family offices to streamline operations, enhance profitability, and accelerate digital transformation. The platform integrates directly with Saxo Bank, Addepar, and other vendors via Open API, offering a full stack of investment, trading, custody, and reporting infrastructure. Backed by cutting-edge cloud-native architecture, we are redefining the way wealth managers operate. The Role We … investment management platform Coordinate complex product development initiatives across portfolio management, trading, reporting, CRM, business management, and other modules Translate business and regulatory requirements into technical specifications Oversee the integration and enhancement of our extensive Open API ecosystem, including connections with Saxo Bank, Addepar, market data providers, KYC/AML vendors, and many others Serve as the primary … deep understanding of industry workflows and requirements Solid technical foundation with hands-on experience in modern web technologies, including React, TypeScript, Python, and cloud infrastructure (AWS preferred) Understanding of API integration patterns, particularly Open API/REST API implementations in financial services contexts Proven track record of successfully managing complex, multi-module/multi-vendor software More ❯

managers, wealth advisors, and multi-family offices to streamline operations, enhance profitability, and accelerate digital transformation. The platform integrates directly with Saxo Bank, Addepar, and other vendors via Open API, offering a full stack of investment, trading, custody, and reporting infrastructure. Backed by cutting-edge cloud-native architecture, we are redefining the way wealth managers operate. The Role We … investment management platform Coordinate complex product development initiatives across portfolio management, trading, reporting, CRM, business management, and other modules Translate business and regulatory requirements into technical specifications Oversee the integration and enhancement of our extensive Open API ecosystem, including connections with Saxo Bank, Addepar, market data providers, KYC/AML vendors, and many others Serve as the primary … deep understanding of industry workflows and requirements Solid technical foundation with hands-on experience in modern web technologies, including React, TypeScript, Python, and cloud infrastructure (AWS preferred) Understanding of API integration patterns, particularly Open API/REST API implementations in financial services contexts Proven track record of successfully managing complex, multi-module/multi-vendor software More ❯

seasoned AI expert ready to take your skills to the next level? Do words like Azure OpenAI, Cognitive Services, prompt engineering, Retrieval-Augmented Generation (RAG) architectures, vector stores, and API integrations make you light up inside? If so, we want to hear from you! At 1st Central , we're on an exciting journey with AI and Generative AI - and … or save time-and you know how to turn those ideas into working solutions. What's involved: Lead the design and implementation of AI engineering frameworks and standards, emphasising API integrations, Azure infrastructure, and Azure security & networking. Architect and develop AI and Generative AI solutions using services like Azure OpenAI and Azure Cognitive Services Implement prompt engineering techniques and … and continuous integration. Develop and maintain automated frameworks for testing, validation, and monitoring of AI model accuracy, performance, and reliability. Establish best practices for AI data pipeline development and integration with infrastructure to support scalable deployment. Collaborate closely with Data Scientists, Data Engineers, Software Developers, and Architects for seamless execution of AI initiatives from concept to deployment. Engage with More ❯

seasoned AI expert ready to take your skills to the next level? Do words like Azure OpenAI, Cognitive Services, prompt engineering, Retrieval-Augmented Generation (RAG) architectures, vector stores, and API integrations make you light up inside? If so, we want to hear from you! At 1st Central , we're on an exciting journey with AI and Generative AI - and … or save time-and you know how to turn those ideas into working solutions. What's involved: Lead the design and implementation of AI engineering frameworks and standards, emphasising API integrations, Azure infrastructure, and Azure security & networking. Architect and develop AI and Generative AI solutions using services like Azure OpenAI and Azure Cognitive Services Implement prompt engineering techniques and … and continuous integration. Develop and maintain automated frameworks for testing, validation, and monitoring of AI model accuracy, performance, and reliability. Establish best practices for AI data pipeline development and integration with infrastructure to support scalable deployment. Collaborate closely with Data Scientists, Data Engineers, Software Developers, and Architects for seamless execution of AI initiatives from concept to deployment. Engage with More ❯

Interfaces: Build user-facing interfaces such as portals or dashboards to present data and manage automation workflows. CI/CD & Observability: Contribute to CI/CD workflows, including code integration, testing, deployment and monitoring/logging. Code Quality: Participate in peer reviews and maintain Git version control practices using VCS. Lifecycle Governance: Ensure all development adheres to SDLC and … on-call responsibilities as required. This will likely be project driven. Essential Skills Python Development: Strong Python skills, ideally with experience in Flask or similar frameworks for backend and API development. Azure Expertise: Demonstrable experience with at least three of the following Azure services, such as App Services, Functions, SQL, Automation Accounts, Logic Apps, API Management, Key Vault … or Storage Accounts. Frontend Capability: Proficient in building user interfaces using JavaScript, HTML, and CSS. API Integration: Skilled in working with platform/external RESTful APIs and adopting an API-first development approach. Version Control: Confident using Git for source control and familiar with branching strategies and workflow practices. CI/CD Exposure: Experience using Bitbucket Pipelines More ❯

JavaScript (ES6+). Deep knowledge of the Shopify platform, including Shopify CLI, Liquid templating language, and Polaris (Shopify's React component library). Shopify APIs: Proficiency with Shopify Admin API and Storefront API for data interaction and application functionality. Backend Development: Experience with Node.js and Express for server-side application development. API Integration: Proven ability to More ❯

Cloud, GCP SCCE) Microsoft Defender XDR/Microsoft Purview Data Loss Prevention/Data Security Posture Management (DSPM) Scripting & Automation Python (our preferred scripting language) Configuration as Code principles API integration (e.g., Microsoft Graph API) IN ADDITION, THE BELOW WOULD BE NICE TO HAVE (DEPENDING ON THE TEAM) Lab 1: Cloud Enterprise and Computer Security Data & Analytics More ❯

Criteria Benefits: Familiarity and experience with agile development in delivery Experience in other programming languages, specifically C++, C# or Java Experience in Automation/Testing frameworks Experience of Continuous Integration/Development Experience of API integration/development Experience of test/deployment automation Experience of AWS services Free parking at our Belfast office Private medical and More ❯

zero trust architecture to strengthen defence -in-depth strategies. Design and deploy Web Application Firewalls (WAFs) and security controls to protect modern applications from threats and vulnerabilities. Guide the integration of AI and analytics into security operations working with data scientists and AI engineers. Mentor and coach engineers, fostering a high-performing, inclusive, and growth-oriented team culture. WHAT … experience in Zero Trust architecture in cloud environments would be very desirable. Security Defence Centre Tools and practices . Scripting & Automation Python (preferred), PowerShell , Configuration as Code principles and API integration (e.g., Microsoft Graph API) Strategic planning , innovation leadership and delivery in infrastructure and cloud security Budget and resource management Coaching, mentoring, and performance management ABOUT WORKING More ❯

Cloud posture management (Azure Defender for Cloud, GCP SCCE) Data Loss Prevention/Data Security Posture Management (DSPM) Scripting & Automation Python (our preferred scripting language) Configuration as Code principles API integration (e.g., Microsoft Graph API) IN ADDITION, THE BELOW WOULD BE NICE TO HAVE (DEPENDING ON THE TEAM) Lab 1: Cloud Enterprise and Computer Security Data & Analytics More ❯

operational technology in education and events, we'd love to meet you. What will I be bringing to life in this role? We're looking for a technically skilled Integration & Support Developer to join our multi-disciplinary team as we expand into the North American market. This hybrid role combines hands-on integration delivery with 3rd line support … key role in diagnosing and resolving complex issues, contributing to our continuous improvement and customer satisfaction goals. Design, develop, and maintain integrations, imports and exports Write clear specifications for Integration work for mutual sign off Collaborate with internal stakeholders to understand integration requirements and deliver scalable solutions. Contribute to the evolution of our integration strategy and tooling. … Provide 3rd line support for complex issues, including root cause analysis, performance tuning, and bug fixing. Triage and escalate issues to the development team where appropriate. Document integration processes and support resolutions to build internal knowledge. Support the onboarding of new clients and the rollout of new features. Participate in a support rota covering UK and CST hours. What More ❯

operational technology in education and events, we'd love to meet you. What will I be bringing to life in this role? We're looking for a technically skilled Integration & Support Developer to join our multi-disciplinary team as we expand into the North American market. This hybrid role combines hands-on integration delivery with 3rd line support … key role in diagnosing and resolving complex issues, contributing to our continuous improvement and customer satisfaction goals. Design, develop, and maintain integrations, imports and exports Write clear specifications for Integration work for mutual sign off Collaborate with internal stakeholders to understand integration requirements and deliver scalable solutions. Contribute to the evolution of our integration strategy and tooling. … Provide 3rd line support for complex issues, including root cause analysis, performance tuning, and bug fixing. Triage and escalate issues to the development team where appropriate. Document integration processes and support resolutions to build internal knowledge. Support the onboarding of new clients and the rollout of new features. Participate in a support rota covering UK and CST hours. What More ❯

Integration Engineer (Security Cleared) Start: ASAP Duration: 12 months+ Location: London OR Bristol 2- days per week Pay: negotiable, INSIDE IR35 We're looking for an experienced Integration Engineer to join our team and ensure seamless, secure data flow across systems, APIs, and backend services. You'll play a key role in connecting platforms, optimizing data pipelines, and … maintaining integration health across our architecture. What You'll Do: - Design and implement integrations between internal systems and third-party platforms via APIs and other technologies - Build and manage scalable data pipelines for data ingestion, transformation, and delivery - Collaborate with engineering, DevOps, and product teams to define and deliver integration solutions - Troubleshoot and resolve issues such as data … inconsistencies, auth errors, and performance bottlenecks - Monitor integration performance and implement logging, alerting, and observability - Document architecture, workflows, and integration processes - Contribute to continuous improvement of integration tools and practices What You Bring: - Proven experience building backend services using Node.js, Python, Java, or similar - Strong grasp of API design and integration methods (REST, GraphQL, Webhooks More ❯