51 to 75 of 254 API Design Jobs in London

reliability, testability, and production readiness. You will mentor engineers and help grow a team that delivers safely at high velocity. Job Responsibilities Lead the design and evolution of the real-time position and risk platform, including architecture, patterns, performance, and resilience Deliver real-time position keeping capabilities across trade … tradeoffs clearly in business terms Raise engineering standards across coding practices, testing strategy, CI/CD quality gates, release discipline, and production readiness Drive design reviews and execution discipline to ensure scalable, maintainable solutions Mentor engineers and support hiring, onboarding, and team development Required Qualifications, Capabilities, and Skills Strong ...

maintain high standards of engineering quality.**How you will make an impact*** Build and maintain reliable JVM-based services using Kotlin or modern Java.* Design and develop well-structured APIs and integrations.* Build reusable services, APIs and components that enable other teams to deliver consistently and reduce duplication.* Contribute … API design standards, documentation and versioning across services.* Deliver complete end-to-end features by connecting backend services and data models with responsive web interfaces.* Use appropriate test-first and test-informed practices to create effective automated tests.* Experiment with AI-assisted engineering tools where they provide clear ...

openly, and taking pride in delivering software that makes a real business impact. What You'll Do As a Senior Backend Engineer, you will: Design, build and maintain scalable, secure and resilient backend systems using Kotlin and Spring Boot Lead technical design and architectural discussions, ensuring solutions … have strong commercial experience with: Spring Boot and the wider Spring ecosystem Spring Data JPA/Hibernate Spring Security including OAuth2 and JWT REST API design and implementation Microservices and distributed system design SQL databases with strong query optimisation skills NoSQL databases Messaging technologies such as Kafka ...

Project description As a Senior Full Stack Java Engineer within the US Corporate Loans POD, you will design, develop, and deliver enterprise integration solutions connecting Loan IQ with upstream and downstream platforms. You will leverage modern cloud-native technologies, AI-assisted development tools, and Agentic AI practices to improve … building AI agents and intelligent engineering solutions that automate and enhance Software Development Lifecycle (SDLC) processes, improving developer productivity and accelerating delivery outcomes. Responsibilities Design and develop REST APIs, event-driven integrations, and messaging interfaces. Build and maintain integrations between Loan IQ and enterprise applications. Design and implement ...

tools.We actively embrace GenAI-assisted engineering (Devin, GitHub Copilot, Cursor) to automate boilerplate, accelerate unit testing, and achieve high engineering velocity.Key Responsibilities:Backend Microservices: Design, build, and maintain production-grade REST APIs and microservices using Java 21/25 and Spring Boot.Data Ingestion & Processing: Build resilient ETL and reconciliation … services that ingest, validate, and deduplicate complex monthly datasets from multiple upstream sources into a unified data model.Data Modeling & Storage: Design relational schemas (PostgreSQL/Oracle), optimize complex SQL queries, and implement transactional data integrity, staging layers, and immutable audit logs.Full Stack Collaboration (Bonus): Partner with or contribute ...

strategies that deliver secure, governed, and high-performing data platforms that create real business impact?** **About our Team**The TIO Architecture Team is the design and architecture function of Elsevier's Technology Infrastructure and Operations organization and is responsible for architectural design and consultancy across a multitude … both AI developer tooling and end user GenAI technologies).**About the Role**This Solution Architect role is an exciting opportunity to lead the design and evolution of Elsevier’s Operational Data Platform. You will work alongside an embedded engineering team to architect Snowflake-based data warehouse solutions ...

strategies that deliver secure, governed, and high-performing data platforms that create real business impact? About our Team The TIO Architecture Team is the design and architecture function of Elsevier's Technology Infrastructure and Operations organization and is responsible for architectural design and consultancy across a multitude … both AI developer tooling and end user GenAI technologies). About the Role This Solution Architect role is an exciting opportunity to lead the design and evolution of Elsevier's Operational Data Platform. You will work alongside an embedded engineering team to architect Snowflake-based data warehouse solutions ...

strategies that deliver secure, governed, and high-performing data platforms that create real business impact? About our Team The TIO Architecture Team is the design and architecture function of Elsevier's Technology Infrastructure and Operations organization and is responsible for architectural design and consultancy across a multitude … both AI developer tooling and end user GenAI technologies). About the Role This Solution Architect role is an exciting opportunity to lead the design and evolution of Elsevier’s Operational Data Platform. You will work alongside an embedded engineering team to architect Snowflake-based data warehouse solutions ...

Bestway is modernising its application estate towards cloud-native architecture. We are looking for a hands‐on Lead Application Architect to own application-level design, define our engineering standards, and introduce AI-assisted development practices across the team. You will sit between our Solution Architects, who define high-level … designs, and the development team, who deliver them. You will turn HLDs into well‐documented, implementable designs (Low-Level Design) and make sure the code that results is consistent, secure and maintainable. About Bestway Bestway Group is a diversified multinational family owned business with annualised turnover in excess ...

Architect at Parloa, you will operate at the intersection of enterprise solution architecture, conversational AI, and partner enablement, helping strategic partners and enterprise customers design, implement, and scale AI-driven customer experiences.This is a highly consultative, customer-facing role where you will guide partners and clients through solution discovery … solution architecture, enterprise integration design, conversational architecture, and implementation strategy for enterprise AI Agents. You will design how Parloa’s platform integrates into complex enterprise environments, solve multi-system integration challenges, and apply systems thinking to build reliable, scalable AI solutions.While you bring strong technical depth ...

data grounding infrastructure using RAG (Retrieval-Augmented Generation) , vector databases, search indexes, and knowledge bases to supply agents with accurate enterprise context. Enterprise Integration & API Management: Develop and maintain custom APIs (REST, GraphQL, webhooks) and integration pipelines connecting AFO/Agentforce to Salesforce Data Cloud (Data 360), cloud warehouses … Deep experience with LLM orchestration, prompt tuning, and building RAG pipelines, vector search indexes, and knowledge base retrievers for enterprise data. Multi-Agent Systems & API Mastery: Practical experience with API design (REST/SOAP/webhooks) and modern agent protocols (e.g., MCP, tool calling, or event-driven ...

reaches general availability and Professional Services delivery can run itindependently. After general availability, Delivery leads and you provide background support. On ESAI, you design and build the AI systems that advance Professional Services delivery. This is a small, growing team, so responsibilities span architecture, engineering, documentation,and enablement. … high bar regardless of background. The role requires identifying where AI improves delivery economics, and building the solution Job Responsibilities Architect AI-driven solutions. Design agents, integrations, and automation that change how engagements are delivered. Solutions should be reusable across accounts, not one-off scripts. Lead delivery through GA. ...

NVIDIA DGX SuperPODs to delivering real-time Language AI to over 300 million users and 200,000+ businesses globally. You will join the API Enterprise team. We sit at the intersection of DeepL's API platform and our Enterprise ecosystem. Whereas the Core team obsesses over the self … that enterprise IT and security teams depend on. We work hand-in-hand with a wide set of stakeholder teams to make DeepL's API the obvious and safe choice for global enterprises. We are shifting gears. We are moving from "Software-First" to "Product-First. ...

work with infrastructure and security teams to keep our applications scalable, secure and resilient.### Technical Skills* Core: PHP 5.x-8.x (deep OOP, SOLID, DRY, design patterns), Core PHP, Laravel 10.x-13.x, REST API design* Data: MySQL (schema design, indexing, query optimization, replication/backup strategies)* Platform … Apache)* Cloud: AWS EC2, S3, Secrets Manager (plus IAM, VPC, security groups)* CI/CD: Jenkins, GitHub Actions* Testing: Phpunit, unit/integration/API testing, debugging and profiling tools* Template Engines: Working experience with templating engines like Blade, Smarty, Twig* Frontend: JavaScript (ES6+), HTML5, CSS3### Core Responsibilities/ ...

lead the next phase of our technology transformation journey to create great products and services for the organisation. Main Responsibilities Responsible for the overall design and solution architecture involving large data. Lead and maintain key design decisions and existing solution architecture documents. Demonstrate a Product delivery mindset … existing eCommerce and data infrastructure for scalability and expansion. Skills: Detailed knowledge and previous experience with AI and Claude. Strong understanding of architecture, discovery, design and delivery of Enterprise, Cloud and Security technologies, preferably in a Microsoft technology stack. C# .NET Core, REST API Design and Development ...

role. You'll be in the code, in the CLI, and in the infrastructure daily. What You’ll Actually Do Azure Platform Engineering (40%) Design and implement Azure landing zones, management groups, and subscription architecture Build and maintain hub‐spoke network topologies with proper segmentation and security controls Implement … data governance and cataloging Experience with Delta Lake, Spark optimization, data quality frameworks Azure networking certifications or equivalent deep knowledge Container orchestration (AKS) API design and management (API Management, App Gateway, Front Door) What Actually Matters Pragmatism over purity – you choose the right tool ...

openly, and taking pride in delivering software that makes a real business impact. What You’ll Do As a Senior Fullstack Engineer, you will: Design, build and maintain scalable, secure and resilient backend systems using Go, alongside rich, responsive frontends built with React. Lead technical design and architectural … Data access in Go using tools such as database/sql, sqlx, sqlc or GORM Authentication and authorisation including OAuth2, OIDC and JWT REST API design and implementation, with exposure to gRPC and Protocol Buffers Microservices and distributed system design SQL databases with strong query optimisation skills ...

they get to their first payment and how much they trust us with more. You'll own the developer experience end to end: our API as a product, the technical documentation, the sandbox, and the white label offer for reseller and embedded partners. You'll set the standards that … that gets us there. Your role as a Senior Product Manager at Sokin: Own the strategy and roadmap for Sokin's external developer experience: API ownership, technical documentation, sandbox and, white label and SDKs Treat the API as a product: own design principles, consistency, and a published ...

delightful to use. You’ll collaborate with passionate engineers and product managers to identify performance bottlenecks, contribute to architectural improvements, and help evolve our design system. This is a fantastic opportunity for an ambitious engineer looking to build their skills in a fast-paced environment and make a meaningful … Identify and solve performance issues across both frontend (Angular) and backend (PHP, Python, Go). Optimise page load speed, rendering performance, and API response times. Contribute to our design system and build reusable UI components using Angular and TypeScript. Help maintain and evolve scalable backend systems for high ...

will set technical direction, mentor other engineers, and own significant parts of the platform end to end. What You’ll Do Lead the design and delivery of complex, user-facing features and shared foundations for Clear Street Studio. Drive a system-design approach to building new front … Core team, including architecture, testing, tooling, and code quality. Mentor and grow other engineers through code review, pairing, and technical guidance. Partner with product, design, and back-end leads to shape roadmaps and turn ambiguous problems into clear technical plans. Own the operational excellence of your domains, ensuring reliability ...

Ireland providing specialist services to a wide range of blue-chip clients. The role We are seeking technical polyglots who enjoy both technical architectural design, hands-on coding and peer reviews, though also like the idea of the equally important social/client-facing aspect of the role. … development architecture as well as supporting business analysts and product owners in planning and story-mapping for new development. You will act as technical design authority (TDA) for delivery of technical stories and produce technical documentation artefacts to support the delivery process. Main Responsibilities Duties will include: · The design ...

Description - Platform Lead – Data Availability, API & Integration (17454) Job Description Platform Lead – Data Availability, API & Integration ( 17454 ) Description At easyJet, we are transforming Airline Operations through modern product-led technology, operational excellence, automation, data, and AI-enabled capabilities. The Airline Operations Platform serves as the single point … critical crew, flight planning, network control, and engineering systems like AIMS, TOPS, LIDO, and AMOS. We are seeking a visionary Platform Lead – Data Availability, API & Integration to join our platform leadership team. In this critical role, you will own the integration strategy and data availability capability end to end. ...

technical outcome of the project team. What you will do Technical direction and quality Set the team's technical direction and own architecture and design decisions across the composable stack. Select and justify the right headless CMS, front-end framework and hosting approach for each property, weighing editorial experience … performance, cost and lock-in. Design content models and component libraries that scale across multiple brands, sites, regions and locales. Uphold coding standards and best practices through consistent code review. Ensure developers test their own work before it reaches QA, with automated testing and CI/CD in place. ...

Senior .Net Developer, C#/VB.Net, API, SQL, NW London to £85K A Back End Developer is required to join this established financial software house based in North London. They work with some of the leading brands in retail and media, offering financial management systems developed in house … required with expertise in Visual Basic .NET, C#, SQL Server, and SAP Business One integration. The ideal candidate should have strong skills in RESTful API development, database optimization, and Azure DevOps pipeline management. Knowledge of API security, CI/CD automation, and Swagger documentation is recommended. Responsibilities API ...

delivery methodology to ensure timely and high-quality delivery of software applications. Technical Ownership: Take technical ownership of a product or software solution, covering design, estimation, shaping, and user story/requirement creation. Solution Documentation: Document solutions, including architecture, configuration, release, and support handover. Stakeholder Collaboration: Collaborate and liaise … practices and modern architectural patterns, including microservices and message-driven architectures. Non-Functional Requirements: Experience developing applications with non-functional requirements in mind. Application Design: Experience in application/digital services design. Software Engineering Practices: Proficiency in software engineering practices like code reviews, CI/CD pipelines, and SOLID ...