1 to 25 of 175 API Design Jobs in London

with AI SDLC. We are currently seeking a high caliber professional to join our team as Solution Architect. Principle Responsibilities Work as part of API Design and analysis team with responsibility for API Design, aligned to value streams. The solution architect is responsible for analysis … existing system and defining the API contract. Prepare Design Document and presentation for the stakeholders Work with Global Enterprise/Solution Architects to review end-to-end technical design. Review/Ensure the technical design is technically coherent and future proof and compliance with technology standards ...

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 ...

Title: Solution Architect (API Lab & Marketplace Focus) Location: London/Edinburgh Job Type: Full-time About Us: At Lloyds Banking Group, we're helping Britain prosper by transforming the way technology enables our customers, colleagues, and businesses. Through strategic we're creating scalable, secure, and resilient services that power … some of the UK's most important financial journeys. Within Lloyds Banking Group, the API Lab sits at the heart of our API and Digital Services Platform. Our mission is to enable teams across the Group to discover, build, deploy, and reuse high-quality APIs safely ...

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 ...

. Start ASAP during Summer 2026. Key skills, experience + tasks will include: Boomi Solution Architect with a strong focus on Boomi/iPaaS, API Management, Event Streaming, integration architecture, governance + technical leadership. Integration Adoption & Project Onboarding - architecture engagement + onboarding of priority projects onto the strategic integration … platform (e.g. SDEC, S4H, DWIT). Production of project-specific integration designs aligned to approved iPaaS, API and Streaming patterns. Completion of architecture assurance reviews and design recommendations for onboarding projects. Support projects through technical discovery, design and implementation phases. Reusable Integration Asset Library: design ...

Terra — from upstream data suppliers (wearables, health apps, sensors) into our unified schema, and out to downstream developers and AI consumers via our REST API, Streaming API, and webhooks. This is not a maintenance role. You will build new data connectors, scale real-time streaming pipelines, harden … authentication layer, and design the systems that handle millions of API calls per day. You will work across the entire stack — from low-level data ingestion to developer-facing API surfaces. You will ship fast, iterate through feedback loops, and think in first principles. ...

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 ...

well as achieving our carbon net-zero goals. As an engineer on this project, you will collaborate with Product Managers and partners to design, develop and maintain enterprise scale software systems and tools. As part of a global team working on a global product, you will lead … systems. Passionate about mentoring and coaching engineers across both technical and soft skills. Product-centric mentality with the ability to understand business needs and design scalable, resilient systems and solutions. Strong empathy and curiosity to create exceptional user experiences. Self-starter with excellent communication skills, adept at handling ambiguity ...

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 ...

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 ...

Data, AI, and real-time decision-making we turn energy complexity into growth opportunities for our partners. By combining predictive algorithms with human-centred design, the company makes clean energy dependable and affordable. With teams across Europe, North America, Asia and Australia, and a joint venture with Mitsubishi Corporation … services. You move faster than a traditional sprint by using AI to handle the "heavy lifting" of boilerplate and logic generation. Technical Asset Development: Design, build, and maintain reusable mock services in Node.js/TypeScript. You’ll implement contract-first APIs (REST/GraphQL), manage AWS deployments (API ...

engineering culture, and what algo1 becomes. The Role This role reports to our Head of B2B Product, James. Working with him and our product, design, mobile, and machine-learning teams, you'll design and build the web experiences that redefine how brands and retailers serve their shoppers. … stay fully accountable for what you ship. What You'll Own Full-stack delivery end-to-end. Own substantial features from product conversation through design, implementation, and iteration in production. Most of the weight sits in the frontend, but you go as far down the stack as the feature ...

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 ...

solid engineer with 2-4 years of experience building backend systems and platform infrastructure. You write clean, well-abstracted code with proper design patterns and comprehensive test coverage. You’re comfortable working on both the Compute Platform (multi-cloud orchestration, resource management) and Inference Platform (model serving, autoscaling) under … leads Implement features for multi‐cloud orchestration, resource scheduling, model deployment pipelines, and autoscaling systems Write well‐maintained, production‐grade code with proper abstractions, design patterns, and comprehensive test coverage Contribute to low‐level design (LLD) including service APIs, database schema design, data models, and component interactions ...

Design, build, and evolve backend services that support the complete customer order lifecycle, from order creation through to fulfilment and completion. Develop scalable microservices and APIs using Java/Kotlin, enabling reliable and efficient order processing across multiple channels. Contribute to event-driven architectures using Kafka to support high … volume transactional workflows across Payments, Pricing, and Fulfilment domains. Design and evolve GraphQL and REST APIs, ensuring consistency, performance, scalability, and an excellent developer experience. Build resilient, low-latency solutions using distributed databases, caching technologies, and modern architectural patterns. Collaborate closely with Product Managers, Engineers, Architects, and business stakeholders ...

outside IR35. This is a hands-on role working on a mature Azure-based backend platform, with responsibility across the full software lifecycle - from design and development through to testing, deployment and production support. You’ll be working with C#, .NET, Azure Functions, Azure SQL, Azure Service Bus, Azure … API Management and Azure DevOps, contributing to a platform that supports connected patient services. This role is particularly suited to a developer who can hit the ground running, work independently and own technical delivery end-to-end without requiring day-to-day technical supervision. What You’ll Be Doing ...

outside IR35. This is a hands-on role working on a mature Azure-based backend platform, with responsibility across the full software lifecycle - from design and development through to testing, deployment and production support. You’ll be working with C#, .NET, Azure Functions, Azure SQL, Azure Service Bus, Azure … API Management and Azure DevOps, contributing to a platform that supports connected patient services. This role is particularly suited to a developer who can hit the ground running, work independently and own technical delivery end-to-end without requiring day-to-day technical supervision. What You’ll Be Doing ...

great experience to delight our customers. Our goal is to enhance every traveler's experience and make it better! In this role, you will: Design, develop, and maintain high-throughput, low-latency distributed backend services that deliver efficient, optimal pricing solutions at scale. Implement robust caching mechanisms to enhance … application performance, reduce latency, and optimize resource utilization. Participate in system design, API design, and data modeling for scalable, reliable microservices. Contribute to technical documentation, detailed code reviews, and architecture discussions to ensure high-quality solutions. Analyze complex problems, break them down into manageable milestones, and collaborate ...

LangChain or LangGraph (agent memory, tool calling, state management) Dagster in production (assets, sensors, partitions) or equivalent pipeline orchestration Strong backend fundamentals including API design, async programming, and database modelling You've built systems that had to work reliably at scale, not just pass a demo Worked … signal resume keywords Production-Grade Python Development LLM Orchestration Frameworks Dagster Pipeline Orchestration Backend Fundamentals AWS Infrastructure Experience ATS Optimization Keywords Hard Skills Python API Design Async Programming Database Modelling Random Forests Regression Models Scikit-Learn PyTorch Mathematics Statistics Soft Skills Holistic Thinking Research-Driven Problem Solving Leadership ...

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 ...

when: technical approach, task breakdown, sequencing, capacity, and the quality bar, and be accountable for delivery; Hold the line on backend design discipline, so that services stay maintainable as the team and codebase grow; Collaborate with Product, Design, and QA to define, design, and ship features, distinguishing … Tech Lead or in a similar technical-Leadership role, owning a team's technical approach and delivery; Strong backend fundamentals: Clean Architecture, design patterns, and API design, with hands-on experience in C#/.NETor Node/TypeScript; Proven experience building single-page web apps with React ...