1 to 25 of 216 API Integration Jobs in London

API Integration Architect Type: Permanent I am working with a Retail Banking firm, who are seeking an API Integration Architect. In this role, you will be responsible for designing and implementing robust and scalable API integration solutions that seamlessly connect microservices architecture with both … and external systems. Your contributions will play a critical role in enabling efficient and secure data exchange, driving digital transformation, and enhancing our overall API ecosystem. Key Responsibilities: Collaborate with stakeholders to understand the overall microservices architecture and its integration requirements with various internal and external systems. Ensure … seamless coordination between the microservices architecture and API integration strategies. Design API integration solutions that align with industry best practices, enabling seamless communication between microservices, external APIs, and legacy systems. Define and enforce API standards, governance policies, and security protocols to ensure secure and reliable More ❯

a more sustainable, more inclusive world. Your Role Payment’s traceability of acceptance criteria during show and tell phase of stories produced. Production of API integration requirements between QIP platform and the new Advice tool. Production of API integration requirements between 360.net application and the new … advice tool. Production of API integration requirements between other provider platforms in the FNZ family and the new advice tool. User story production, review, approval and traceability for the following functions: Fee Expectations (function joins fees to payments and includes VAT verification, Finance and GL integration to … the new advice tool. Your Profile Ensured traceability of payment acceptance criteria during show and tell sessions to validate alignment with business expectations. Defined API integration requirements between the QIP platform and the new Advice tool for seamless data exchange. Captured API integration needs between 360.net More ❯

a more sustainable, more inclusive world. Your Role Payment’s traceability of acceptance criteria during show and tell phase of stories produced. Production of API integration requirements between QIP platform and the new Advice tool. Production of API integration requirements between 360.net application and the new … advice tool. Production of API integration requirements between other provider platforms in the FNZ family and the new advice tool. User story production, review, approval and traceability for the following functions: Fee Expectations (function joins fees to payments and includes VAT verification, Finance and GL integration to … the new advice tool. Your Profile Ensured traceability of payment acceptance criteria during show and tell sessions to validate alignment with business expectations. Defined API integration requirements between the QIP platform and the new Advice tool for seamless data exchange. Captured API integration needs between 360.net More ❯

successful candidate will have a strong track record in sales and business development, alongside deep technical expertise in international payment rails, mass payments, and API integrations. Reporting directly to the Managing Director of Payments, this role offers an opportunity to significantly contribute to the growth of the payments business … Implementation: Collaborate with clients to understand their international payment requirements and create bespoke solutions that address their business needs. Provide ongoing support in the integration and implementation of these solutions. API Integration Support: Provide technical guidance and support to clients on API integrations, helping them optimise … industry, with a proven track record in business development and sales within the SME market. Solid experience in international payments, mass payment solutions, and API integration, coupled with a passion for driving new business. Strong understanding of international payment systems and networks (e.g., SWIFT, SEPA, ACH). In More ❯

successful candidate will have a strong track record in sales and business development, alongside deep technical expertise in international payment rails, mass payments, and API integrations. Reporting directly to the Managing Director of Payments, this role offers an opportunity to significantly contribute to the growth of the payments business … Implementation: Collaborate with clients to understand their international payment requirements and create bespoke solutions that address their business needs. Provide ongoing support in the integration and implementation of these solutions. API Integration Support: Provide technical guidance and support to clients on API integrations, helping them optimise … industry, with a proven track record in business development and sales within the SME market. Solid experience in international payments, mass payment solutions, and API integration, coupled with a passion for driving new business. Strong understanding of international payment systems and networks (e.g., SWIFT, SEPA, ACH). In More ❯

hands-on experience in SailPoint IdentityNow, SailPoint IIQ 8.4 or higher. 3-5 years of Solid SailPoint developer experience. Hands-on experience in SailPoint API integration, including request and response handling. Strong proficiency in JavaScript and Bean Scripting. Solid understanding of SailPoint core concepts such as Identity Governance … and Administration (IGA), workflows, provisioning, certification, and role management. Experience in customizing SailPoint using JavaScript, Bean Scripting, and integration with external systems via connectors and APIs. Experience working in financial institutions or highly regulated environments. Desirable Skills Strong analytical skills for debugging, troubleshooting, and optimizing code. Excellent communication skills … to handle complex data requests and responses. The ideal candidate will have hands-on experience designing, developing, and optimizing solutions that leverage the SailPoint API for data retrieval and processing. Role & Responsibilities Develop and Enhance Solutions: Write and maintain JavaScript and BeanShell scripts to interact with SailPoint systems. API More ❯

Skills Proven experience as a SailPoint Developer with hands-on experience in SailPoint IdentityNow, SailPoint IIQ 8.4 or higher. Hands-on experience in SailPoint API integration, including request and response handling. Strong proficiency in JavaScript and Bean Scripting. Solid understanding of SailPoint core concepts such as Identity Governance … and Administration (IGA), workflows, provisioning, certification, and role management. Experience in customizing SailPoint using JavaScript, Bean Scripting, and integration with external systems via connectors and APIs. Experience working in financial institutions or highly regulated environments. Desirable Skills Strong analytical skills for debugging, troubleshooting, and optimizing code. Excellent communication skills … to handle complex data requests and responses. The ideal candidate will have hands-on experience designing, developing, and optimizing solutions that leverage the SailPoint API for data retrieval and processing. Role & Responsibilities Develop and Enhance Solutions: Write and maintain JavaScript and BeanShell scripts to interact with SailPoint systems. API More ❯

more joyful places to work, as well as learn. Location: London (Hybrid) Salary: £60,000 - £65,000 About the role Arbor has over 130 integration partners who use the API and developer portal to build read and write-back integrations. Real work in schools will sit across many … platforms, data sources, people and know-how. It's a divergent picture. We are now developing Arbor's API and developer offer to decrease the effort that it takes for people working in schools to bring all of these parts together and get their work done. We are looking … and focus of the role is to own Arbor's strategic partner integrations and work with the Directors for Ecosystem to develop Arbor's API and developer portal products into a successful commercial offering. It's a broad and exciting role, so we're looking for someone up for More ❯

native mobile applications for iOS and Android using Swift and Kotlin . Performance Optimization: Optimize mobile apps for speed, memory usage, and battery efficiency. API Integration: Work with REST/GraphQL APIs developed in FastAPI for real-time data synchronization. Collaboration & Feedback: Collaborate with cross-functional teams to … align app features with CPMS functionalities, including the integration of OCPP/OCPI protocols . Testing & Debugging: Write and maintain automated tests to ensure application stability and quality. About you At Believ, we are building a culture that attracts and retains the best talent. We are a dedicated and … Experience: Proven experience developing and launching mobile applications for iOS and Android. Familiarity with mobile performance profiling tools and debugging techniques. Experience with backend integration for real-time data syncing. Knowledge of Agile development processes and version control tools like Git . Engineering Mindset: Ability to understand and consider More ❯

ABOUT THE ROLE We are looking for someone with a deep understanding of API integrations, automation, and enterprise workflows. This role is specifically focused on designing and supporting complex API-driven integrations, primarily for our enterprise customers. This role requires hands-on problem-solving, the ability to develop … automation scripts or API workflows (e.g., ETL flows), and in-depth API expertise to support both internal teams and external partners in executing seamless integrations. WHAT YOU WILL DO Work directly with enterprise customers to understand their technical needs, document requirements in SOWs, and provide guidance on integrating … our system with theirs. Plan and outline integration workflows to define each use case and possible scenarios. Lead and manage API integrations, proactively anticipating and troubleshooting technical issues and ensuring a smooth onboarding experience for customers. Collaborate with Solutions Consultants and internal technical teams by coaching on technical More ❯

API Developer (SC Cleared) Location: Remote (with occasional on-site visits as required) Work Pattern: Full-time, permanent or contract Security Clearance: Must hold active SC Clearance The Company At Amber Labs, we are a cutting-edge UK and European technology consultancy that prioritises empowering autonomy, promoting experimentation, and … times. Our team consists of highly skilled cross-functional consultants, analysts, and support staff. About the Role We are seeking an experienced SC Cleared API Developer with expertise in designing, developing, and maintaining scalable and secure APIs. The ideal candidate will be responsible for defining API specifications, integrating … APIs with various services, and ensuring high availability and performance. This role requires strong experience in API security, containerisation, and Agile methodologies. Roles and Responsibilities Design, develop, and maintain high-quality API services, primarily REST-based. Define API specifications using OpenAPI and other industry standards. Develop APIs More ❯

skilled Backend Engineer to design, develop, and maintain scalable, secure, and efficient server-side applications. The ideal candidate should have experience in microservices architecture, API development, and database management, ensuring high availability and performance of backend services. In this role, you will collaborate closely with frontend engineers, product managers … and serve AI/ML models (MLOps), by ensuring their scalability, reliability, and performance in production environments. Integrate models into backend systems and create API endpoints for model interaction (e.g., retrieving predictions). Develop and maintain scalable services, e.g. Microservices utilizing REST, gRPC, or GraphQL, ensuring optimal performance and … to improve performance, scalability, and reliability. Implement security features, including authentication and authorization using industry-standard practices. Collaborate with frontend developers to ensure efficient API integration and a seamless user experience. Troubleshoot and resolve production issues, ensuring high availability and minimal downtime. Write unit and integration tests More ❯

use cases. Risk matrix implementation: Inject risk matrix to enable dynamic risk scoring of transactions, based on multiple behavioural and contextual parameters. Consulting and integration support: providing expert-level guidance through the integration lifecycle — from initial API setup and data mapping to hands-on troubleshooting and issue … resolution. Integration testing and validation: testing to verify the correctness of rule triggers, risk scoring logic, and data flow, ensuring the solution meets customers' requirements. About You: Proven experience in configuring and deploying transaction monitoring solutions in a production environment. Strong knowledge of AML compliance frameworks and practical application … in TM rule logic design. Experience with custom risk matrix modeling and implementation. Hands-on experience with API integration, data transformation, and troubleshooting. Ability to lead integration testing and validation, ensuring system integrity and alignment with business goals. Strong analytical and communication skills, with a proactive, solution More ❯

quality code and maintaining five Shopify headless websites in different languages. You will oversee CMS, Product Recommendation, and Personalisation applications, as well as manage API services between the headless website and Shopify. Additionally, you will lead a team of two developers and report directly to the Head of Digital … Delivery. Key Responsibilities: Lead Development: Take charge of headless website development using the Svelte Framework. CMS Development: Develop bespoke CMS solutions. API Integration: Build and update API integrations with third-party SaaS providers such as Shopify, Nosto, and bespoke CMS. DevOps Management: Oversee DevOps responsibilities using Kubernetes … both client-side and server-side architecture. Documentation: Write comprehensive technical documentation. Requirements: Essential: Proven experience as a Full Stack Developer. Proficiency in Rest API & GraphQL. Strong skills in JavaScript, Java, CSS, and HTML. Experience with Google Cloud Platform (GCP) and Kubernetes Engine (on GCP). Expertise in server More ❯

quality code and maintaining five Shopify headless websites in different languages. You will oversee CMS, Product Recommendation, and Personalisation applications, as well as manage API services between the headless website and Shopify. Additionally, you will lead a team of two developers and report directly to the Head of Digital … Delivery. Key Responsibilities: Lead Development: Take charge of headless website development using the Svelte Framework. CMS Development: Develop bespoke CMS solutions. API Integration: Build and update API integrations with third-party SaaS providers such as Shopify, Nosto, and bespoke CMS. DevOps Management: Oversee DevOps responsibilities using Kubernetes … both client-side and server-side architecture. Documentation: Write comprehensive technical documentation. Requirements: Essential: Proven experience as a Full Stack Developer. Proficiency in Rest API & GraphQL. Strong skills in JavaScript, Java, CSS, and HTML. Experience with Google Cloud Platform (GCP) and Kubernetes Engine (on GCP). Expertise in server More ❯

of working. Requirements Key Responsibilities: Back-End Development: Design, develop, and maintain server-side applications and APIs using Node.js, ensuring performance, scalability, and security API Integration: Work with RESTful APIs and third-party services to integrate and enhance system functionality Database Management: Develop and maintain database architectures (e.g. … data storage solutions Code Optimization: Write clean, modular, and reusable code, adhering to best practices and design patterns Testing and Debugging: Conduct unit and integration testing, debug issues, and ensure high-quality, reliable, and maintainable code Collaboration: Collaborate with front-end developers to integrate front-end components with server More ❯

ecosystem while also creating intuitive web applications where clients interact with their data using AI. This role requires deep understanding of data visualization, REST API integration, and responsive design principles. You will work closely with our back-end team to ensure seamless integration with our AWS services … Develop and scale web interfaces our AI solutions, data visualization, and reporting Collaborate with backend engineers to connect APIs, manage state, and streamline data integration Ensure excellent UX in both browser and Excel environments, with intuitive, performant, and consistent interfaces Contribute to architectural decisions, component libraries, and development best … development practices Proven experience building and deploying Office Add-ins, especially within Microsoft 365 for internal enterprise use Deep knowledge of the Excel JavaScript API, object models, and data handling within workbook constraints Comfortable integrating with REST APIs, handling authentication flows (e.g., OAuth), and managing async data interactions Strong More ❯

ecosystem while also creating intuitive web applications where clients interact with their data using AI. This role requires deep understanding of data visualization, REST API integration, and responsive design principles. You will work closely with our back-end team to ensure seamless integration with our AWS services … Develop and scale web interfaces our AI solutions, data visualization, and reporting Collaborate with backend engineers to connect APIs, manage state, and streamline data integration Ensure excellent UX in both browser and Excel environments, with intuitive, performant, and consistent interfaces Contribute to architectural decisions, component libraries, and development best … development practices Proven experience building and deploying Office Add-ins, especially within Microsoft 365 for internal enterprise use Deep knowledge of the Excel JavaScript API, object models, and data handling within workbook constraints Comfortable integrating with REST APIs, handling authentication flows (e.g., OAuth), and managing async data interactions Strong More ❯

or similar tools. Development experience with C#, .NET, Web Services, Web Forms, MVC, JavaScript, jQuery, CSS, HTML, React, JSON, Web APIs, Visual Studio, and API integrations is beneficial but not required. Excellent communication skills, both verbal and written. Ability to work independently and complete tasks with minimal supervision. Attention More ❯

management and modular development. In-depth experience in defects and enhancement management. In-depth experience with product/application development lifecycle. Proficiency in UI API development and integration. Proficiency in UI design & business process design. Experience working with authentication and authorization. Proficient in working with large data and SQL More ❯

quality code and maintaining five Shopify headless websites in different languages. You will oversee CMS, Product Recommendation, and Personalisation applications, as well as manage API services between the headless website and Shopify. Additionally, you will lead a team of two developers and report directly to the Head of Digital … Delivery. Key Responsibilities: Lead Development: Take charge of headless website development using the Svelte Framework. CMS Development: Develop bespoke CMS solutions. API Integration: Build and update API integrations with third-party SaaS providers such as Shopify, Nosto, and bespoke CMS. DevOps Management: Oversee DevOps responsibilities using Kubernetes … Design both client-side and server-side architecture. Documentation: Write comprehensive technical documentation. Requirements: Proven experience as a Full Stack Developer. Proficiency in Rest API & GraphQL. Experience with Google Cloud Platform (GCP) and Kubernetes Engine (on GCP). Expertise in server-side rendering. Hands-on experience with Shopify (Headless More ❯

times. Our team consists of highly skilled cross-functional consultants, analysts, and support staff. About the Role We are seeking an experienced SC Cleared API Developer with expertise in designing, developing, and maintaining scalable and secure APIs. The ideal candidate will be responsible for defining API specifications, integrating … APIs with various services, and ensuring high availability and performance. This role requires strong experience in API security, containerisation, and Agile methodologies. Roles and Responsibilities Design, develop, and maintain high-quality API services, primarily REST-based. Define API specifications using OpenAPI and other industry standards. Develop APIs … with cross-functional teams. Write and maintain automated unit tests alongside developed code. Develop and manage containerised solutions using Docker and Kubernetes. Work with API management platforms to ensure effective governance and control. Monitor API performance and optimise as necessary to ensure high availability and reliability. Support API More ❯

optimization, and relational data modeling Solid knowledge of JavaScript (ES6+), HTML5, and CSS3 Familiarity with Docker, Git, and CI/CD workflows Experience with API integrations (REST, GraphQL) A deep understanding of the software development process and Agile methodologies Nice to Have Familiarity with testing frameworks like PHPUnit, and More ❯

JVM languages (Java/Kotlin/Scala/Clojure) and Python . Experience in using cloud services (e.g. AWS ) Experienced or interested in building API’s . Experience with various data stores (SQL, NoSQL) and API integration patterns. Exposure to BI tools and data visualization libraries/ More ❯

JVM languages (Java/Kotlin/Scala/Clojure) and Python . Experience in using cloud services (e.g. AWS ) Experienced or interested in building API’s . Experience with various data stores (SQL, NoSQL) and API integration patterns. Exposure to BI tools and data visualization libraries/ More ❯