1 to 25 of 117 Permanent API Integration Jobs in the UK excluding London

Senior FX API Integration Analyst London (hybrid) 6 Month Contract Via Umbrella Our UK leading banking client are looking for a Senior FX API Integration Analyst to join their team on an initial 6-month contract. Skills/Qualifications The candidate must have the following skills and qualities: FX business knowledge (products, business models, electronic trading … approach Highly motivated Well organized Excellent presentation skills (communication with clients/clients IT departments) The following experience would be desirable: Experience of FX eTrading Experience of FIX client integration If you find this opportunity intriguing and aligning with your skill set, we welcome the submission of your CV. More ❯

Senior FX API Integration Analyst London (hybrid) 6 Month Contract Via Umbrella Our UK leading banking client are looking for a Senior FX API Integration Analyst to join their team on an initial 6-month contract. Skills/Qualifications The candidate must have the following skills and qualities: FX business knowledge (products, business models, electronic trading … approach Highly motivated Well organized Excellent presentation skills (communication with clients/clients IT departments) The following experience would be desirable: Experience of FX eTrading Experience of FIX client integration If you find this opportunity intriguing and aligning with your skill set, we welcome the submission of your CV. More ❯

Senior FX API Integration Analyst London (hybrid) 6 Month Contract Via Umbrella Our UK leading banking client are looking for a Senior FX API Integration Analyst to join their team on an initial 6-month contract. Skills/Qualifications The candidate must have the following skills and qualities: FX business knowledge (products, business models, electronic trading … approach Highly motivated Well organized Excellent presentation skills (communication with clients/clients IT departments) The following experience would be desirable: Experience of FX eTrading Experience of FIX client integration If you find this opportunity intriguing and aligning with your skill set, we welcome the submission of your CV. More ❯

Collaborate with business stakeholders to gather requirements and deliver practical automation solutions Develop scalable, efficient solutions that meet evolving business needs Integrate workflows with enterprise systems including SharePoint and API-enabled platforms Maintain and optimise existing solutions to ensure reliable, high-performance operations Support testing, deployment and comprehensive documentation of all solutions Troubleshoot and resolve operational issues in production … Low-code/no-code platforms - hands-on experience with Intapp or similar tools such as Power Automate Database proficiency - working knowledge of SQL environments using SQL Management Studio API integration - strong understanding of API methods and service integration Data structures - competency with XML and JSON objects Process improvement - solid grasp of workflow automation, process mapping More ❯

Data Integration Engineer £Up to £700 Inside IR35 GBP Onsite WORKING Location: Bristol, South West - United Kingdom Type: Permanent Software Engineer/Data Integration Engineer - National Security & Government Up to £700 Inside IR35 Location: London or Bristol Our client is a trusted digital consultancy working at the heart of national security, law enforcement, and defence. They deliver secure … protect the UK and its interests. With a strong focus on innovation, collaboration, and agility, they empower engineers to solve complex challenges in high-trust environments. As a Data Integration Engineer , you'll work across data pipelines, APIs, and backend services to ensure data flows securely and seamlessly between systems. You'll collaborate with cross-functional teams to design … and deliver scalable integration solutions that support critical mission capabilities. Key Responsibilities Design, develop, and maintain integrations between internal systems and third-party platforms using APIs and secure protocols. Build and optimise scalable data pipelines for ingesting, transforming, and delivering data across environments. Collaborate with software engineers, DevOps, and product teams to understand integration requirements and deliver robust More ❯

or logistics environment. Web Development: Proficiency in HTML, CSS, JavaScript (React, Vue.js, or similar). Experience with Liquid templating (used in BigCommerce themes). Responsive design and accessibility standards. API Development & Integration: RESTful API design and consumption. Experience with BigCommerce APIs, Pimberly APIs, and third-party integrations (e.g., ERP, CRM, payment gateways). OAuth2, token-based authentication … and webhooks. SQL/Oracle PL/SQL Writing complex queries, stored procedures, and performance tuning. Data migration, reporting, and integration with backend systems. Retail & B2B Business Models Understanding of B2B workflows: bulk ordering, tiered pricing, account hierarchies. Experience with retail operations: inventory, promotions, customer segmentation. Familiarity with omnichannel strategies and digital transformation in retail. - Experience with the full … software development lifecycle.- Full UK driving license. Desirable Skills ERP or CRM integration (e.g., NetSuite, Salesforce, Microsoft D365). Experience with headless commerce or composable architecture. Knowledge of cloud platforms (AWS, Azure, GCP) for hosting and scaling. Agile/Scrum methodology and DevOps practices. What you'll get in return Buy and sell holiday Pension Death in service Hybrid More ❯

or logistics environment. Web Development: Proficiency in HTML, CSS, JavaScript (React, Vue.js, or similar). Experience with Liquid templating (used in BigCommerce themes). Responsive design and accessibility standards. API Development & Integration: RESTful API design and consumption. Experience with BigCommerce APIs, Pimberly APIs, and third-party integrations (e.g., ERP, CRM, payment gateways). OAuth2, token-based authentication … and webhooks. SQL/Oracle PL/SQL Writing complex queries, stored procedures, and performance tuning. Data migration, reporting, and integration with backend systems. Retail & B2B Business Models Understanding of B2B workflows: bulk ordering, tiered pricing, account hierarchies. Experience with retail operations: inventory, promotions, customer segmentation. Familiarity with omnichannel strategies and digital transformation in retail. - Experience with the full … software development lifecycle.- Full UK driving license. Desirable Skills ERP or CRM integration (e.g., NetSuite, Salesforce, Microsoft D365). Experience with headless commerce or composable architecture. Knowledge of cloud platforms (AWS, Azure, GCP) for hosting and scaling. Agile/Scrum methodology and DevOps practices. What you'll get in return Buy and sell holiday Pension Death in service Hybrid More ❯

pipelines) PySpark and Databricks or Microsoft Fabric Git and CI/CD pipelines (Azure DevOps preferred) SQL for querying and data transformation Experience with Python for data extraction and API integration. Excellent numerical and analytical skills with strong attention to detail. Confident communicator with experience presenting to senior, non-technical stakeholders. Previous exposure to Financial Services or Wealth/ More ❯

and experiencedSenior Engineerto join our Enterprise Applications team. The ideal candidate will have deep expertise inOracle ERP and EPM products, strong proficiency incloud technologies and hands-on experience withGitHub,API integrations,Identity and Access Management (IAM)includingSingle Sign-On (SSO). This role will be instrumental in designing, implementing and optimising enterprise solutions that support our business operations and More ❯

.NET Core, and ASP.NET Core MVC - Experience with Entity Framework Core, SQL Server/Azure SQL, Azure Services, Azure DevOps - Frontend skills with HTML5, CSS3, and JavaScript - Experience with API integrations and version control (GitHub/Bitbucket) - Degree in Computer Science or equivalent experience - Experience with MAUI/Xamarin (desirable) Benefits - Competitive salary - Flexible working hours (within 8am6pm) - Private More ❯

for a talented UI Developer to join its Digital Development team. As part of an experienced, collaborative squad, you'll build React micro-frontends in TypeScript, working on an API-first, Azure-hosted cloud platform serving both partners and internal teams. This is a hands-on coding role where you'll: Deliver high-quality, testable React components and experiences. … and fellow Developers. Contribute to standards, code reviews and continual improvement. You'll bring: Strong TypeScript and React skills (state management frameworks such as Redux a plus). REST API integration, HTML/CSS and Material UI experience. Git best practice and an understanding of CI/CD workflows. Excellent problem-solving and communication skills. ? Why apply? Alongside More ❯

for a talented UI Developer to join its Digital Development team. As part of an experienced, collaborative squad, you'll build React micro-frontends in TypeScript, working on an API-first, Azure-hosted cloud platform serving both partners and internal teams. This is a hands-on coding role where you'll: Deliver high-quality, testable React components and experiences. … and fellow Developers. Contribute to standards, code reviews and continual improvement. You'll bring: Strong TypeScript and React skills (state management frameworks such as Redux a plus). REST API integration, HTML/CSS and Material UI experience. Git best practice and an understanding of CI/CD workflows. Excellent problem-solving and communication skills. Why apply? Alongside More ❯

for a talented UI Developer to join its Digital Development team. As part of an experienced, collaborative squad, you'll build React micro-frontends in TypeScript, working on an API-first, Azure-hosted cloud platform serving both partners and internal teams. This is a hands-on coding role where you'll: Deliver high-quality, testable React components and experiences. … and fellow Developers. Contribute to standards, code reviews and continual improvement. You'll bring: Strong TypeScript and React skills (state management frameworks such as Redux a plus). REST API integration, HTML/CSS and Material UI experience. Git best practice and an understanding of CI/CD workflows. Excellent problem-solving and communication skills. ? Why apply? Alongside More ❯

the technology space , is seeking a Senior Software Engineer to drive the development of next-generation Windows desktop applications. This role blends desktop engineering, networking, and real-time data integration , offering the chance to work on truly cutting-edge projects. Key Responsibilities Build and enhance Electron-based desktop applications Integrate IP cameras via TCP/IP protocols Develop mapping … and geolocation features Optimize and extend Node.js applications Implement API integrations with external services Collaborate using modern Git workflows Contribute across the full technology stack What We're Looking For 5+ years software development experience 3+ years hands-on with Electron Strong expertise in TCP/IP networking Proven track record of desktop application projects Experience with IP camera … integration (preferred) Proficient in Node.js, Git, and API integration Why Join Senior role with excellent compensation Scope for technical leadership and ownership Exposure to a modern, innovative tech stack Flexible working environment Be part of a fast-growing, forward-thinking company Tech Stack Frontend : Electron, HTML5, CSS3, JavaScript Backend : Node.js, TCP/IP networking Integrations : Maps, IP More ❯

Vue.js for interactive UI. Backend experience with Node.js/Express . Understanding of WCAG accessibility , responsive design, and cross-browser testing. Knowledge of hosting, DNS, and cloud-based environments. API integration and troubleshooting expertise. Familiarity with Docker or containerised workflows (advantage). Strong debugging skills and a proactive, problem-solving approach. Whats on Offer Join a dynamic, creative More ❯

Web Developer - SaaS - Swindon (Hybrid, 3 Days in Office) (Tech stack: Web Developer, .NET Framework, WebForms, ASP.NET MVC, React, TypeScript, SCSS, Accessibility, API Integration, Performance Optimisation, Testing, Front End Developer) Our client is an established technology business that builds and maintains sophisticated digital platforms used across multiple sectors. They're embarking on a major UI modernisation programme, evolving More ❯

to understand business processes and map to data structures and process flows Develop widgets and user interface components using Javascript/jQuery, Vue.js, HTML and CSS Develop and maintain API integrations (REST and SOAP) with external systems and services Implement integrations including AI and chatbot products Skills/experience required:- 3-5 years experience with a low-code platform More ❯

expanding team. The ideal candidate will have: Key Responsibilities - Design and develop decoupled Umbraco applications - Develop and maintain custom functionality in Umbraco v8v13 - Build reusable .NET/C# components, API integrations, and back-office extensions - Collaborate with front-end teams using frameworks such as React, Vue, or Angular - Write clean, scalable code following best practices and coding standards - Troubleshoot More ❯

/CD pipelines (e.g. GitHub Actions) and containerisation (Docker). Experience designing scalable, secure systems using modern principles (SOLID, TDD). Familiarity with databases (SQL, NoSQL, or graph) and API integrations. Excellent communicator who thrives in a collaborative, fast-paced environment. Nice-to-haves: Experience with Generative AI/LLMs in applied engineering contexts. Exposure to infrastructure-as-code More ❯

across our systems. HubSpot is one of the platforms youll work with, so experience with it is a plus but not required. What matters most is strong development and API integration skills. Youll work closely with the operations, marketing, and sales teams to connect HubSpot with third-party systems, automate processes, and deliver scalable, well-structured code. The … Node.js, .NET, PHP, etc.). Hands-on experience with REST/GraphQL APIs and webhooks. Familiarity with relational databases (SQL) and version control (Git). Track record of delivering API integrations or automation projects. Problem-solving mindset, with ability to own technical delivery end-to-end. Familiarity with software engineering best practices (testing, CI/CD, code reviews). More ❯

engineers Handling customer feedback and technical queries directly Travelling to client sites around the UK What you’ll need: Solid experience with JavaScript and React HTML, CSS and REST API integration skills Awareness of AWS, SQL and Git workflows Ideally, some familiarity or experience with React Native in a commercial or personal project context Exposure or awareness of More ❯

MSSQL Familiarity with front-end technologies such as Blade, HTML, CSS, JavaScript, and jQuery Experience using Git for version control Ability to write clean, maintainable, and well-tested code API integration experience (RESTful APIs) Desirable skills: Experience with AI tools (e.g. OpenAI, ChatGPT) Working knowledge of Windows Server environments and Apache Familiarity with Agile principles and project tracking More ❯

Azure Data Factory, Azure Synapse, Azure Data Lake) Data Governance: Understanding of data quality, data lineage, and metadata management principles. ETL/ELT Processes: Experience designing and implementing data integration workflows. Business Intelligence: Knowledge of reporting and analytics platforms (Power BI, SSRS, or similar) Data Warehousing: Experience with dimensional modelling and data warehouse architecture patterns API Integration More ❯

use AI. This could be the role for you!!! Key Role Objectives Custom AI Development: Write backend code to integrate AI services into business workflows and customer-facing applications. API Integration: Build robust, secure integrations with third-party APIs using backend languages. System Design: Architect workflows and services that are maintainable, scalable, and secure. Deployment & Maintenance: Package and … Lambda, server less platforms, or equivalent). What you will need: Strong backend development skills in Python, Node.js, or a similar language (this is mandatory). Proven experience with API consumption, authentication, and integration. Familiarity with cloud platforms (AWS, GCP, Azure). Ability to design and implement production-grade backend services. Solid understanding of software engineering practices: version control More ❯

to client solutions. Desirable: Exposure to AI use cases in business or public sector. Experience with frameworks and procurement portals (e.g., G-Cloud, CCS, Tussell, Stotles). Understanding of API integration, legacy modernisation, or cloud migration strategies. Benefits: 25 days annual leave (plus bank holidays). An additional day of paid leave for your birthday (or Christmas eve More ❯