1 to 25 of 155 Permanent API Design Jobs in London

Summary We are seeking an experienced Kong API Gateway Specialist to lead the development, implementation, and governance of our enterprise API ecosystem. This role will be responsible for establishing API governance standards, designing and managing API lifecycle processes, and driving the adoption of best practices across … integration and middleware platforms. The ideal candidate will possess deep expertise in Kong API Gateway, API management, security, integration architecture, and governance frameworks. They will work closely with enterprise architects, development teams, security teams, and business stakeholders to ensure APIs are secure, scalable, reusable, and aligned with organizational ...

role in shaping our technical domain with the goal of powering all Expedia Group’s brands and product lines. In this role, you will: Design, build, and evolve robust, scalable, and secure backend services and applications, including clear low-level and high-level designs, APIs, data models, and explicit … pricing and offers experiences across Expedia Group brands. Lead end-to-end implementation of complex features and systems within the Offers Domain, from technical design and coding through testing, deployment, monitoring, and ongoing operational support, ensuring simple, accurate, and transparent pricing throughout the shopping and booking journey. Partner closely ...

believe in the imaginative application of art and science to create beautiful ideas, products and services. With an entrepreneurial and collaborative approach, we design and build adaptive digital products, services and experiences that capture the imagination and deliver impressive returns for our clients. We are looking for a senior … technical leadership, architecture and team guidance. You will lead the technical direction of complex client programmes across MACH architectures and production Generative AI; spanning Design to Code workflows, solution design and API contracts through to cloud infrastructure, deployment and ongoing operation. You will own architecture decisions, write ...

that build loyalty and traveler satisfaction. In this role, you will: Develop, evaluate, and improve machine learning models and algorithms for Content AI applications. Design and implement end-to-end machine learning solutions, including data preparation, feature engineering, model training, validation, deployment, monitoring, and continuous optimisation. Apply statistical analysis … technical direction. Collaborate with engineers, product managers, applied scientists, and domain experts to translate ambiguous business problems into scalable ML solutions. Contribute to system design, low-level design, API development, and data modelling for production machine learning systems. Build and operate production solutions using technologies such ...

capability is responsible for advancing Insulet’s AI enablement foundation through MuleSoft Anypoint Platform, MuleSoft AI Gateway, Model Context Protocol (MCP), MuleSoft Agent Fabric, API-led connectivity, event-driven integration, and secure agent-to-system orchestration. The role will help transform existing enterprise APIs and integrations into trusted, reusable … portfolio, lead a globally distributed MuleSoft engineering team, and partner with Enterprise Architecture, AI/ML, Salesforce, Data, Security, Product, and Platform teams to design and operate the integration layer for the agentic enterprise in a highly regulated healthcare environment. Global AI Enablement & Collaboration Model Serve as a primary ...

across Expedia’s white-label and partner platforms. We’re building the next generation of video ad infrastructure, AI-powered tooling, and Rapid API integrations to deliver smarter, more engaging ad experiences. In this role, you will: Design, implement, and evolve high-quality software services and components, including … system design, low-level design, API design, and data modeling to support scalable, reliable products. Lead end-to-end delivery of complex technical features across services or domains, including requirements clarification, solution design, development, testing, deployment, and ongoing operational support. Collaborate closely with product, architecture ...

transact), we are seeking a Principal Technical Architect. Serving as the senior technical authority on our AWS and cloud engagements, you will own the design and quality of robust, scalable applications. Key Responsibilities Architect Agentic Solutions: Design enterprise cloud applications, specializing in agentic AI platform components (orchestration, memory … doing Technical Leadership & Governance: Act as the account's senior authority on complex cloud architectures (esp. AWS serverless). Establish technical governance, design standards, and manage risk, non-functional requirements (NFRs), and technical debt. Agentic AI & Commerce Innovation: Design AWS-based agentic AI platforms (orchestration, RAG, memory, guardrails ...

connectivity across the clients core systems. Key Responsibilities: Own and evolve integration architecture aligned with enterprise standards Define and govern integration patterns across teams Design and deliver event-driven, API-first, and messaging solutions (NATS, REST) Lead end-to-end integration delivery, including hands-on development (Java/… Spring) Ensure scalable, cloud-native solutions on AWS Produce architecture artefacts (blueprints, contracts, ADRs) Guide teams on best practices, API governance, and event design Engage stakeholders and align cross-team integration efforts Primary Skills: Event-driven architecture and messaging systems (NATS, pub/sub, async patterns) API ...

experienced AI Architect who enjoys solving complex technical problems while staying close to delivery. This is a genuinely hands on role where you will design enterprise AI solutions, partner with senior stakeholders across the business and work alongside engineering teams to bring modern AI capabilities into production. … role where you can combine deep technical expertise with meaningful business impact, we would love to hear from you. ----------------------------------------- Key Responsibilities Architect Agentic Solutions: Design enterprise cloud applications, specializing in agentic AI platform components (orchestration, memory, tool integration, identity, guardrails, observability) and emerging Agentic Commerce. Lead Clients & Drive Growth ...

Build and maintain user interfaces for client-facing features, ensuring high-quality and performant UI delivery Collaborate with backend engineers and product managers to design, develop, and deliver new features while providing technical input on API design and data handling Implement and enhance AI-driven capabilities that … with complex workflows Develop advanced data visualizations, including charts, maps, and dashboards, that provide real-time interactive insights Contribute to and maintain the internal design system, including custom caching mechanisms and advanced state management solutions Balance new feature delivery with ongoing maintenance and performance optimization Identify and resolve issues ...

integration layer behind a new generation of AI-powered products. This is a genuinely full-stack engineering role, combining production-grade backend development, API design, AI integrations and frontend engineering. You'll work across the full application lifecycle, designing the services and interfaces that connect AI capabilities … products customers and colleagues use every day. You'll play a key role in building MCP integrations, agent-to-agent connectivity and robust API services, while also developing responsive, accessible interfaces in React and TypeScript. What you'll be doing Own the application and integration layer of AI products ...

integration layer behind a new generation of AI-powered products. This is a genuinely full-stack engineering role, combining production-grade backend development, API design, AI integrations and frontend engineering. You'll work across the full application lifecycle, designing the services and interfaces that connect AI capabilities … products customers and colleagues use every day. You'll play a key role in building MCP integrations, agent-to-agent connectivity and robust API services, while also developing responsive, accessible interfaces in React and TypeScript. What you'll be doing Own the application and integration layer of AI products ...

Master's degree or PhD in Computer Science or a related technical field. 2 years of experience with data structures and algorithms. Experience with API Design, Android Libraries, Declarative Programming and API Development. Previous knowledge of Jetpack Compose. Familiarity with Android as a platform and have … well beyond web search. We're looking for engineers who bring fresh ideas from all areas, including information retrieval, distributed computing, large-scale system design, networking and data storage, security, artificial intelligence, natural language processing, UI design and mobile; the list goes on and is growing every day. ...

architecture of a ledger-based post-trade platform. You'll start hands-on as a senior engineer, and take on increasing ownership of system design, technical direction, and solution architecture as you grow into the role. Why This Role You'll have real influence in a small, high-calibre … genuine voice in product and architectural decisions. Expect a fast learning curve across technology, regulation, and market structure. What You'll Do Architecture & System Design Design secure, scalable distributed systems for regulated environments Define and evolve system architecture, APIs, and integration patterns Apply sound software design patterns ...

through engineering consultancy Requirements 5+ years of Full Stack Engineering experience Experience with React or React Native Experience with Java and Spring Boot RESTful API design and development Microservices architecture SQL/database technologies TDD, BDD, unit testing, and integration testing GitLab CI/CD pipelines Cloud engineering … Core Competencies Demonstrates expertise in Full Stack Engineering with a focus on building and maintaining applications using React, Java, and AWS. Proficient in RESTful API design, microservices architecture, and implementing secure coding practices while ensuring code quality through TDD and CI/CD pipelines. Highest-signal resume keywords ...

with a growth mindset. We value our team culture and work together from the office three times a week. In this role, you will: Design, build, and maintain robust full stack applications and scalable services across multiple domains, applying deep technical expertise and architectural skills. Lead … development process, including system design, API design, and data modelling, ensuring quality and maintainability of solutions. Collaborate across engineering, product, and business teams to define requirements, deliver impactful features, and drive technology strategy. Mentor and guide engineers, fostering best practices in coding, testing, and operational excellence within ...

Mobile Engineer and Head of Mobile Engineering to deliver Zopa’s mobile strategy Help shape the technical direction and standards for iOS across Zopa Design and evolve shared modules, APIs, architecture and developer tooling for multiple engineering teams Identify technical risks early using data, profiling and observability to improve … platform and customer-facing product work Raise the capability of other engineers through pairing, code reviews, technical discussions and knowledge sharing Collaborate with Product, Design, Backend and Android colleagues Contribute to the Mobile Platform team supporting the app’s architecture, shared capabilities, libraries, build infrastructure and analytics infrastructure Help ...

This mid-level role requires hands-on experience with Android apps, Kotlin, and collaboration across multiple surfaces and teams. The engineer will contribute to API design and developer tooling while advancing Google’s Android platform initiatives. The position emphasizes in-person interviews and opportunities to mentor junior teammates ...

code reviews, pair programming, and architecture discussions; Collaborate cross-functionally with other Apple teams to integrate tools and systems seamlessly; Write detailed architecture and design proposals; Identify areas for continuous improvement; Mentor other engineers; Contribute to architecture discussions, code reviews, and proposals. Требования Experience shipping high-quality, performant … reliable web applications; Passion for developing products and features; Ability to discuss technical trade-offs across system architecture, database design, API design, and infrastructure; Continuous learning attitude focused on improving personal and team capabilities; Nice to have: BS/MS in Computer Science, Computer Engineering, Informatics ...

work alongside architects, product stakeholders and delivery partners to ship software that brokers and analysts use every day.**Key Responsibilities:*** **Build Across the Stack:** Design, build and ship features end to end, from APIs and services through to responsive, accessible user interfaces.* **Cloud Native Delivery:** Develop and run cloud … usable, performant ways for brokers and analysts.* **AI-Enabled Development:** Build AI-enabled product features using patterns such as retrieval-augmented generation, tool and API integration, evaluation and human-in-the-loop design.* **AI-Assisted Engineering:** Use AI-assisted engineering tools such as Claude Code or Claude Cowork ...

enterprise and partner ecosystems. The position also plays a key role in shaping industry best practices and representing the organisation externally. Enterprise & Ecosystem Architecture Design and oversee the implementation of enterprise‐wide software architecture, spanning internal platforms, cloud environments, and external partner ecosystems Develop “big picture” architectural frameworks … adherence to security, compliance, regulatory, and quality standards Identify and mitigate long‐term architectural risks (e.g., vendor lock‐in, scalability constraints, regulatory exposure) Technical Design & Solution Development Conduct research, analyse data, gather requirements, and define end‐to‐end solutions Create architectural artefacts representing system functions, integrations, and user interfaces ...

heart of this role both as embedded capabilities within the client facing product and as a core methodology in how we design, build, and ship software (AI-augmented development, AI-driven code generation, and AI-assisted quality assurance). About You You are an experienced software engineer … operational stability matter as much as delivery speed. You enjoy understanding how data flows through systems, how workflows interact across services, and how design decisions affect our clients. You can work autonomously in complex codebases, while collaborating closely with peers across engineering, product, and QA. You embrace ...

across the firm to ensure our data products deliver value to our customers and they can be readily maintained and enhanced. This encompasses the design and architecture of logical and physical data models and schemas, data transport mechanisms, metadata management, lineage management, API schema design and enabling … financial information to be accessible to AI agents. What You Will Do Design, develop and maintain the technology-agnostic, business-aligned canonical/conceptual data models for Financial Information, defining class definitions, standards and association semantics. Provide data architecture expertise to all delivery teams to ensure we build data ...

major advantage. Key Responsibilities Technical Leadership Own the technical roadmap, guide architectural decisions, and ensure engineering excellence across backend services. Python Engineering Design and build robust, secure, and scalable microservices using Python (FastAPI, Django, Flask). System Architecture Lead the design of distributed systems, event-driven architectures … data intelligence. DevOps & Cloud Collaborate on CI/CD pipelines, containerisation (Docker, Kubernetes), and cloud deployments (AWS/GCP/Azure). Data & API Strategy Oversee API design, data modelling, and integration with internal and external financial systems. Security & Compliance Ensure systems meet regulatory, security, and audit ...

used by over 90% of the Fortune 100, and its proprietary generative AI technology is built in-house. Задачи: Build, scale and evolve the design system, including the component library, design tokens and documentation Extend the design system for AI-assisted development using Storybook and machine-readable … interfaces such as MCP Design component APIs that resist misuse by AI and human developers Write high-quality, performant frontend code with React and TypeScript Partner with design, product and engineering to define components and deliver production-ready solutions Make components accessible by default according to WCAG 2.2 ...