226 to 250 of 346 API Design Jobs in England

than on a purely backend squad. Strong commercial C#/.NET experience, with a solid grasp of SOLID, event‐driven architecture and DDD RESTful API design and SQL skills Cloud‐native Azure development Enough frontend fluency to review React/TypeScript work, even if you're not hands ...

What you’ll need for this role Backend Engineering 8+ years software engineering with Java backend expertise Experience modernising production systems at scale Strong API design and microservices architecture knowledge Understanding of strangler fig patterns, service decomposition, and legacy migration strategies AI/LLM Implementation (Critical Differentiator) Hands ...

with delivery teams to guide implementation and resolve technical challenges. * Conduct architecture reviews for projects and change requests, validating alignment with EA standards. * Design end-to-end integration solutions across the firm's application estate (Aderant, iManage, Intapp, HubSpot). * Define API contracts, message schemas, and integration patterns … build vs buy decisions. * Conduct proof of concepts (POCs) and technical spikes to validate architectural approaches. Required Experience: * Experience in solution architecture, technical design, or senior development roles. * Strong experience designing integration solutions across enterprise applications. * Excellent knowledge of API design, messaging patterns, and integration architectures. * Experience ...

libraries. C# skills also desirable.A relevant qualification or background in Computer Science, Operational Technology, or Industrial IoT.Experience in, or a strong understanding of REST API design and implementation.Excellent technical computing, analysis, design, and development skills to a proven professional level.About SSESSE has a bold ambition ...

quality by writing unit and UI tests and contributing to the health of our CI/CD pipelines.Collaborate cross-functionally with Backend Engineers on API design, Product Managers on roadmap priorities, and Designers on seamless user experiences.What makes you great for this positionStrong proficiency in Swift and deep … knowledge of the iOS framework (Objective-C knowledge is a plus).Solid understanding of RESTful API integration and experience working with backend engineers on API design.Experience working with agile methodologies, CI/CD pipelines, and pair programming.Deep care for user interaction, usability, and interface quality—you build things ...

early stage of the build and looking for Lead Software Engineers to partner closely with the VP of Engineering to design and deliver foundational capabilities. This is a hands‐on role for someone who wants to help shape the architecture, standards, and engineering culture of a new platform while … leveraging modern coding practices to deliver high-quality code and infrastructure. How you will provide meaningful contributions: Design and build backend services for the platform, primarily in Go, running on AWS with Postgres as a core data store. Own features and services end‐to‐end: from shaping requirements ...

Staff Product Manager, GTPN (Global Treasury & Payment Network), you will drive the strategy, roadmap, and execution for our customer-facing API platform, enabling global treasury and payment solutions at scale. You will work cross-functionally with engineering, sales, and leadership to deliver innovative, scalable, and secure API products … feedback, and validate product features.Translate complex use cases into scalable, secure, and intuitive APIs in collaboration with engineering teams.Lead cross-functional teams—including engineering, design, sales, compliance, and data science—to deliver impactful solutions.Use data-driven methods to define and measure success metrics, prioritize requirements, and communicate plans ...

running a business.Teya exists to change that.We’re building a financial platform for local businesses across Europe - one built around simple tools, thoughtful design and real human support. Our Members rely on us to help them run their business with confidence, and that responsibility shapes the way we work.We … friendly experience for merchants across Europe.Collaborate with cross-functional teams to align technical solutions with business objectives.Actively participate in critical project decisions, including architecture design, framework selection, and tool evaluation.Mentor and support team members, fostering a collaborative and growth-oriented environment.Continuously improve applications while applying automation best practices ...

with C# and .NET, capable of writing clean, well-tested, production-grade codeStrong experience designing and building microservices and distributed systemsSolid grounding in RESTful API design and Azure cloud developmentDeep familiarity with modern software development practices and scalable system architectureExperience working cross-functionally with Product, QA, and other ...

assisted development and enterprise-grade APIs in a multi-region setup, with strong leadership in cloud platforms (AWS/Azure/GCP) and API design. #J-18808-Ljbffr ...

engineers are self-motivated to tackle challenges and ship impactful solutions. Collaboration is key—engineers work closely with cross‐functional teams, including UI design, product management, and business leadership, to make things happen. If you’re passionate about reimagining the world of streaming media in a dynamic, collaborative environment … this is the team for you. About the Role Our products are known for their seamless integration and intuitive design that delights users right out of the box. These qualities are the result of meticulous engineering and a commitment to excellence. As part of the engineering team ...

team, which builds and runs the infrastructure connecting CreateFuture’s engineers and client workloads to multiple LLM providers — from the inference control plane (the API gateway and routing layer for Anthropic, AWS Bedrock, OpenAI, and others) through to the orchestration and lifecycle tooling that turns individual AI integrations into … experience across the gateway, orchestration, and governance layers, with support from senior colleagues. What you’ll be doing: Build, run, and evolve the API gateway and routing layer connecting engineers and client workloads to multiple LLM providers (Anthropic, AWS Bedrock, OpenAI), including the failover and routing strategies ...

defining the future product and platform experience, patterns, and contribution pathways that will enable federated scale over time. ML Engineers – Responsibilities & Skills Responsibilities Design and build MCP servers and tools that expose enterprise systems and workflows to AI agents. Implement Skills that orchestrate tools, data, and reasoning into repeatable … governed workflows. Contribute to the LSEG AI Assist agentic harness, including planning, tool‐calling, and orchestration logic. Build secure API wrappers where backend systems lack suitable authentication or entitlement models. Work closely with product teams in a “build for” capacity, transferring knowledge and establishing reusable patterns. Shape the developer ...

working hours, patterns and locations to suit you and our business. About the Opportunity As a Principal Solutions Architect, you will specialise in the design, development and governance of integrated digital project controls environments across major capital programmes. This is not a general IT solutions architecture role. … required. Key Responsibilities Define enterprise aligned solution architectures for programme controls platforms covering cost, schedule, risk, performance reporting and data governance. Lead evaluation, selection, design and configuration of programme controls systems such as EcoSys, Oracle Primavera P6 and Unifier, Aconex, CDEs including SharePoint and ProjectWise, and related digital delivery ...

Role Overview ICRV are seeking an exceptional Principal Engineer to own the architecture, design and hands‐on delivery of a desktop platform automating and streamlining trading desk workflows. This is a high‐visibility player‐coach role that may evolve to include formal people management. Role Responsibilities … output. Own the technical direction of the ICRV greenfield project, developing high‐performance, scalable, and robust solutions from first principles through to production operation. Design for hard non‐functional requirements: latency and responsiveness budgets as acceptance criteria, crash containment, least‐privilege isolation between sub‐applications. Work effectively with ...

Expedia Group is seeking a Software Development Engineer II (Backend) to design, develop, and maintain high-throughput pricing services. You will implement caching, participate in API design, and collaborate with cross-functional teams to deliver scalable microservices. The role emphasizes experience with Java/Scala/Kotlin ...

products (e.g., Concierge an agentic AI workflow tool, Prism a Mercer knowledge fabric for scheme data, and similar initiatives), from problem framing and design through build, release, and support.Translate risk advisory/consulting needs into clear technical requirements, user stories, and solution designs; partner with stakeholders through … coding work.Proven experience as a Tech Lead/Lead Engineer delivering production software, including hands-on coding and code review ownership.Strong backend engineering skills (API design, data modelling, performance) and experience building secure, role-based applications.Experience working directly with business stakeholders in a financial firm, with the ability ...

executes complex, multi-leg synthetic strategies on behalf of institutional clients.**Role Overview**ICRV are seeking an exceptional Principal Engineer to own the architecture, design and hands-on delivery of desktop platform automating and streamlining trading desk workflows. This is a high-visibility player-coach role: you will apply … output.* Own the technical direction of the ICRV greenfield project, developing high-performance, scalable, and robust solutions from first principles through to production operation.* Design for hard non-functional requirements: latency and responsiveness budgets as acceptance criteria, crash containment, least-privilege isolation between sub-applications.* Work effectively with ...

senior generalist who can move freely across backend and frontend as the roadmap demands. You will pick up any layer of a feature, from API design and database schema to the frontend that sits on top of it, and own it end-to-end.In this role, you will … Design, build, ship, and maintain features across the full stack for our roadmap surfaces: large-scale file upload and management, shared knowledge bases, the agent extensibility framework (skills and integrations), and the pipeline that syncs external enterprise data into the platform.Own features end-to-end, from technical design ...

Cloud and Order Management capabilities to support Heathrow’s retail and service operations. You will define technical standards, ensure best practices, and guide the design of integrated solutions that enhance customer experience and operational efficiency. Success in this role means delivering secure, scalable, and high-performing platforms that enable … Salesforce Architect with expertise in Commerce Cloud and Order Management.Strong understanding of Salesforce platform architecture, integration patterns, and security best practices.Hands-on experience with API design, data modelling, and system integrations.Excellent stakeholder management and communication skills.Ability to lead technical discussions and influence decision-making at senior levels. Desirable ...

Expedia Group is seeking a Software Development Engineer II (Backend) to design and build high-throughput backend services for pricing. You will implement cache layers and participate in API design and data modeling for scalable microservices. The role emphasizes hands-on development with Java/Scala/ ...

building the most consequential AI solutions in Funds Transfer Pricing and Financial Hedging platforms, and we are looking for a Senior AI Engineer to design & develop Agentic AI solutions for these domains.The ideal candidate is visionary engineer, passionate about architecting and building sophisticated AI agents from concept to production.In … includes hands-on experience with planning/reasoning, memory systems, MCP and Vector DBsPractical knowledge of LLMs and their application within agentic architectures, including API design and integration for AI services.Demonstrated mastery of Prompt and Context Engineering, including the ability to structure and compress information for optimal model ...

team that executes complex, multi-leg synthetic strategies on behalf of institutional clients.Role OverviewICRV are seeking an exceptional Principal Engineer to own the architecture, design and hands-on delivery of desktop platform automating and streamlining trading desk workflows. This is a high-visibility player-coach role: you will apply … C#/.NET (LTS): back-end services with ASP.NET Core.Experience designing and delivering event-driven, service-oriented back-end systems (message brokers, async workflows, API design) in a production trading environment.Experience building desktop applications that host web content (e.g., Electron, Tauri, or custom .NET host); comfortable with WebSocket ...

Technical Leader for the Connected Devices Platform to drive scale, resilience and new architectures. You will own high-volume streaming and backend services, shaping API design and data models to deliver reliable experiences. The role requires expert Java or Kotlin, distributed systems experience (Kafka), and knowledge of Kubernetes ...

related technologiesCapable to use version control software such as GITKnowledge of SOLID principlesKnowledge of clean code practicesExperience using web service protocols such as Rest, API design for extensibility and integrationExperience debugging complex applicationsExperience with Agile development project management methodologiesDatabase Development in SQL Server or NoSQL DatabasesSome familiarity ...