776 to 800 of 1,022 API Design Jobs in the UK

a mission to transform the way organisations harness AI for customer support and product operations. They’re looking for a Senior UI Architect who sits at the intersection of design excellence and engineering. This is a hands-on, systems-level leadership role for someone who doesn’t just ship components—they craft cohesive, elegant, ultra-performant experiences. You’ll … are not only beautiful and intuitive, but also scalable and lightning-fast. What You’ll Do Architect performant, low-latency UI systems that feel instantaneous and intuitive Elevate the design system with best-in-class standards for simplicity, extensibility, and polish Drive tight collaboration with product designers—translating vision into crisp, low-friction user flows Mentor and uplift engineers … bundle sizes, animation fluidity) Lead innovation across complex surfaces like search, timelines, real-time dashboards, and data-dense interfaces Define and enforce front-end best practices, including accessibility, interaction design, and motion principles Partner closely with backend and platform teams to influence API design for optimal UX You Might Be a Fit If You Have 10–15+ More ❯

a mission to transform the way organisations harness AI for customer support and product operations. They’re looking for a Senior UI Architect who sits at the intersection of design excellence and engineering. This is a hands-on, systems-level leadership role for someone who doesn’t just ship components—they craft cohesive, elegant, ultra-performant experiences. You’ll … are not only beautiful and intuitive, but also scalable and lightning-fast. What You’ll Do Architect performant, low-latency UI systems that feel instantaneous and intuitive Elevate the design system with best-in-class standards for simplicity, extensibility, and polish Drive tight collaboration with product designers—translating vision into crisp, low-friction user flows Mentor and uplift engineers … bundle sizes, animation fluidity) Lead innovation across complex surfaces like search, timelines, real-time dashboards, and data-dense interfaces Define and enforce front-end best practices, including accessibility, interaction design, and motion principles Partner closely with backend and platform teams to influence API design for optimal UX You Might Be a Fit If You Have 10–15+ More ❯

iOS and Android. Develop shared UI for both platforms with Flutter. Work closely with our QA department and the developer teams working on the individual games. Contribute to the design and architecture of new features and improvements for the mobile platform. Troubleshoot and debug complex issues, optimize code, and improve overall stability. Collaborate with other Rockstar technology teams across … Kotlin and the Android development workflow. Strong experience with Flutter for UI/UX. Strong experience with Ruby for build automation. Strong CS fundamentals, including excellent understanding of OO design patterns and concepts. Experience with API design and development. Experience with source control, preferably Git. PLUSES Please note that these are desirable skills and are not required More ❯

seed-stage and seed-stage funding from renowned investors within the space, enabling us to expand our team and deliver on our ambitious vision. What we value At Gendo, design is at the core of our mission- both in the design of our products and also through its power to elevate creative expression, pushing the boundaries of architectural … KPF, and David Chipperfield Architects, and of course within the Gendo team itself. We take an exploratory approach to work, continuously innovating and seeking new ways to enhance the design process for our users. Our ambition is big, we're building a passionate, dedicated, world class team to transform the future of architecture and design, making cutting-edge … with a rich canvas-based UI powered by WebGL and real-time collaboration supported through WebSockets. Given our small team, we value frontend developers with a strong eye for design and a knack for product thinking. The ideal candidate can comfortably fill in gaps when wireframes or detailed designs aren't available, using our design system to maintain More ❯

provide customization to enhance the user experience. For consumers, Connect enables secure access and management of connected accounts. This role will partner closely with Engineering, Regional Product Leads and Design teams to advance the roadmap for the Global Connect product. The role will oversee the product lifecycle from concept to enhancements with a focus on continuous improvement. This global … Move fast, test, learn, iterate, and scale globally Qualifications & Skills To succeed in this role, you will have: Product Manager experience, with demonstrated ability to launch and scale complex, API-driven solutions; global experience a strong plus. Technical proficiency with a deep understanding of system dynamics, platforms, and API designs to optimize solutions for clients and users. Understanding … organizational, verbal, and written communication skills. A bachelor's degree in business, technology, or a related field. If you thrive in fast-paced environments, enjoy solving complex user experience & design challenges, and want to help shape the future of Open Finance, we want to hear from you! Corporate Security Responsibility All activities involving access to Mastercard assets, information, and More ❯

code Required Skills: Strong experience as a Salesforce Developer (Apex, LWC, Flow, configuration) Proven background in Banking, Financial Services, or Insurance Hands-on experience with system integrations and secure API design Able to work in agile teams and regulated environments Salesforce Platform Developer I or II Experience with middleware tools (e.g. MuleSoft, Jitterbit, Boomi) Familiarity with Financial Services More ❯

Principal Web Engineer at MHR, you're not just writing code – you're architecting the future of software solutions. You'll drive excellence in every aspect, from user interface design to maintaining a high-quality code base, collaborating with like-minded Web Developers, shaping innovative solutions, and coaching the team to tackle complex business challenges head-on. Working hybrid … proof of concepts to de-risk delivery and elucidate intricate concepts. Elevate coding standards by automating processes, ensuring extensive test coverage for sustainable delivery. Provide essential guidance during planning, design reviews, and incident management to empower web engineers. Cultivate consensus among peers on cutting-edge technologies and best practices. Play a vital role in recruitment campaigns, hiring highly skilled … development plans. What you’ll bring to the role and MHR Experience working on and building modern enterprise Angular applications. Good understanding of the following: Accessibility, Responsive and Adaptive design, working with UX/UI design documents Knowledge of the following: Web security, RESTful Web Services Experience with modern unit testing frameworks and methodologies. Strong understanding of RESTful More ❯

Required technical and professional expertise Deep Expertise: Specialist/Engineer in Identity and Access Management (IAM), serving as a Subject Matter Expert (SME) in IBM Security Verify Access. Solution Design and Implementation: Skilled in high-level and low-level design and implementation of complex consumer access management solutions. Technical Proficiency: Expertise in API Design, OAuth/ More ❯

and Data Science. Lead the AI Centre of Excellence, managing a growing team of AI engineers. Represent AI in senior product, engineering, and vendor forums. Generative AI Delivery Lead design, prototyping, and deployment of GenAI use cases (e.g. co-pilots, AI agents, RAG systems). Establish scalable LLMOps practices including model evaluation, governance, and lifecycle automation. Maintain awareness of … emerging models and integration strategies. Machine Learning Engineering: Support the ML Engineer in model development, deployment, and monitoring. Contribute to pipelines, experimentation design, and MLOps enablement. Provide code and architectural reviews, as well as technical mentoring. Data Science Enablement Act as Data Scientist to support analytics and decision-making needs. Develop experimentation frameworks, metric definitions, and statistical models. Help … stakeholder management and communication skills. Preferred Qualifications: Familiarity with AWS AI services (e.g. Bedrock, SageMaker, Lambda, Step Functions). Experience with low/no-code GenAI tools. Background in API design, platform development, or DevOps for AI systems. Exposure to ethical AI and data governance frameworks. This is a greenfield opportunity to build a technically excellent AI capability More ❯

tools to simplify travel distribution, search and booking. What does this actually mean? It's one common and seamless API. This brings huge technical challenges as we need to design and build a beautiful API before integrating to hundreds of airlines. Along with that we need to navigate through the differing needs and systems of each airline whilst … is absolutely fine. What's more important is your general engineering ability rather than your knowledge of a particular language or framework. - A high bar in code quality and API design. - Opinions on what good engineering standards and processes look like as we define ours at Duffel. - Big picture thinking - you can make trade offs on technical work streams More ❯

Required technical and professional expertise Deep Expertise: Specialist/Engineer in Identity and Access Management (IAM), serving as a Subject Matter Expert (SME) in IBM Security Verify Access. Solution Design and Implementation: Skilled in high-level and low-level design and implementation of complex consumer access management solutions. Technical Proficiency: Expertise in API Design, OAuth/ More ❯

platforms, including server discovery, player authentication, server management, content management and more. RESPONSIBILITIES Develop high volume, highly scalable server-side features utilizing various popular technology stacks. Contribute to the design and architecture of new features and improvements for the modding platform. Troubleshoot and debug complex issues, optimize code, and improve overall system stability. Work closely with other engineers to … Science, relatedfield or equivalent work experience. 4+ years of experience working as a software engineer. SKILLS Strong proficiency in GO. Experience with relational databases and NoSQL datastores. Experience with API design and development. Knowledge of web service scalability, performance, and security practices. Knowledge of Agile software development processes. PLUSES Please note that these are desirable skills and are More ❯

up, discover and diagnose causes of suboptimal performance, and contribute to solving scientific and research challenges. Specifically, they should: Excel in programming (especially parallel/concurrent), software engineering, and API design Have experience in large-scale systems, preferably having built some components from scratch. Thrive in a highly collaborative, fast-paced environment Have a high degree of craftsmanship More ❯

Architecture experience with information systems and order architecture. Data - Data Architecture, Data Warehousing & Lakes, ETL/ELT Pipelines, Customer Data Platforms (CDPs), Data Governance & Compliance, or, Analytics & BI. Integration - API Design & Management, Middleware & ESB, Event-Driven Architecture, BSS/OSS Integration, Partner Ecosystem Integration, CI/CD & DevOps. Digital - Customer Portals & Self-Service, UX/UI Collaboration, Personalization More ❯

Architecture experience with information systems and order architecture. Data - Data Architecture, Data Warehousing & Lakes, ETL/ELT Pipelines, Customer Data Platforms (CDPs), Data Governance & Compliance, or, Analytics & BI. Integration - API Design & Management, Middleware & ESB, Event-Driven Architecture, BSS/OSS Integration, Partner Ecosystem Integration, CI/CD & DevOps. Digital - Customer Portals & Self-Service, UX/UI Collaboration, Personalization More ❯

Architecture experience with information systems and order architecture. Data - Data Architecture, Data Warehousing & Lakes, ETL/ELT Pipelines, Customer Data Platforms (CDPs), Data Governance & Compliance, or, Analytics & BI. Integration - API Design & Management, Middleware & ESB, Event-Driven Architecture, BSS/OSS Integration, Partner Ecosystem Integration, CI/CD & DevOps. Digital - Customer Portals & Self-Service, UX/UI Collaboration, Personalization More ❯

Architecture experience with information systems and order architecture. Data - Data Architecture, Data Warehousing & Lakes, ETL/ELT Pipelines, Customer Data Platforms (CDPs), Data Governance & Compliance, or, Analytics & BI. Integration - API Design & Management, Middleware & ESB, Event-Driven Architecture, BSS/OSS Integration, Partner Ecosystem Integration, CI/CD & DevOps. Digital - Customer Portals & Self-Service, UX/UI Collaboration, Personalization More ❯

Architecture experience with information systems and order architecture. Data - Data Architecture, Data Warehousing & Lakes, ETL/ELT Pipelines, Customer Data Platforms (CDPs), Data Governance & Compliance, or, Analytics & BI. Integration - API Design & Management, Middleware & ESB, Event-Driven Architecture, BSS/OSS Integration, Partner Ecosystem Integration, CI/CD & DevOps. Digital - Customer Portals & Self-Service, UX/UI Collaboration, Personalization More ❯

Architecture experience with information systems and order architecture. Data - Data Architecture, Data Warehousing & Lakes, ETL/ELT Pipelines, Customer Data Platforms (CDPs), Data Governance & Compliance, or, Analytics & BI. Integration - API Design & Management, Middleware & ESB, Event-Driven Architecture, BSS/OSS Integration, Partner Ecosystem Integration, CI/CD & DevOps. Digital - Customer Portals & Self-Service, UX/UI Collaboration, Personalization More ❯

Architecture experience with information systems and order architecture. Data - Data Architecture, Data Warehousing & Lakes, ETL/ELT Pipelines, Customer Data Platforms (CDPs), Data Governance & Compliance, or, Analytics & BI. Integration - API Design & Management, Middleware & ESB, Event-Driven Architecture, BSS/OSS Integration, Partner Ecosystem Integration, CI/CD & DevOps. Digital - Customer Portals & Self-Service, UX/UI Collaboration, Personalization More ❯

Architecture experience with information systems and order architecture. Data - Data Architecture, Data Warehousing & Lakes, ETL/ELT Pipelines, Customer Data Platforms (CDPs), Data Governance & Compliance, or, Analytics & BI. Integration - API Design & Management, Middleware & ESB, Event-Driven Architecture, BSS/OSS Integration, Partner Ecosystem Integration, CI/CD & DevOps. Digital - Customer Portals & Self-Service, UX/UI Collaboration, Personalization More ❯

Architecture experience with information systems and order architecture. Data - Data Architecture, Data Warehousing & Lakes, ETL/ELT Pipelines, Customer Data Platforms (CDPs), Data Governance & Compliance, or, Analytics & BI. Integration - API Design & Management, Middleware & ESB, Event-Driven Architecture, BSS/OSS Integration, Partner Ecosystem Integration, CI/CD & DevOps. Digital - Customer Portals & Self-Service, UX/UI Collaboration, Personalization More ❯

Architecture experience with information systems and order architecture. Data - Data Architecture, Data Warehousing & Lakes, ETL/ELT Pipelines, Customer Data Platforms (CDPs), Data Governance & Compliance, or, Analytics & BI. Integration - API Design & Management, Middleware & ESB, Event-Driven Architecture, BSS/OSS Integration, Partner Ecosystem Integration, CI/CD & DevOps. Digital - Customer Portals & Self-Service, UX/UI Collaboration, Personalization More ❯

Architecture experience with information systems and order architecture. Data - Data Architecture, Data Warehousing & Lakes, ETL/ELT Pipelines, Customer Data Platforms (CDPs), Data Governance & Compliance, or, Analytics & BI. Integration - API Design & Management, Middleware & ESB, Event-Driven Architecture, BSS/OSS Integration, Partner Ecosystem Integration, CI/CD & DevOps. Digital - Customer Portals & Self-Service, UX/UI Collaboration, Personalization More ❯

Architecture experience with information systems and order architecture. Data - Data Architecture, Data Warehousing & Lakes, ETL/ELT Pipelines, Customer Data Platforms (CDPs), Data Governance & Compliance, or, Analytics & BI. Integration - API Design & Management, Middleware & ESB, Event-Driven Architecture, BSS/OSS Integration, Partner Ecosystem Integration, CI/CD & DevOps. Digital - Customer Portals & Self-Service, UX/UI Collaboration, Personalization More ❯