151 to 175 of 346 API Design Jobs in England

regulatory, and technical domains—areas where no single existing team has full coverage, like tax systems, compliance‐driven flows, or monetization tools. Solutions Architecture: Design integrations for enterprise prospects by translating their business requirements into technical solutions. Your architectural decisions directly influence deal outcomes—from enabling multi‐million dollar … years of software engineering experience in ReactJS & TypeScript Excel at making the right level of abstraction—balancing flexibility and simplicity in system/component design Demonstrate clean communication across technical and non‐technical stakeholders Make pragmatic decisions on when to optimize for performance vs. velocity based on business impact ...

titles. Key Responsibilities End‐to‐End Development: Build and maintain cloud‐native applications and services using C#, .NET, and Azure. Data Architecture & Fabric: Design, implement, and maintain Microsoft Fabric environments; establish Medallion (Bronze/Silver/Gold) data architecture for both internal analytics and external self‐serve. Site Reliability … concept to production. Continuous Improvement: Contribute to technical standards, documentation, and architecture evolution. Skills & Experience Must‐Have Strong background in C#/.NET development (API design, backend systems). Hands‐on experience with Azure services (App Services, Functions, Storage, Service Bus, DevOps). Strong understanding of data architecture ...

Spot the customer moments where AI can create magic, prototype them, and bring them to life.Own delivery end-to-end. Pick up a problem, design the solution, ship the work wherever the feature lives, and see it through to production.Own on-call. Be on the rotation, and stand behind … product, not just code. You measure your work by what changed for the customer, not the lines of code shipped.Production minded. Solid grasp of API design, observability, scaling, reliability, and security.Care about craft. Clean APIs, attention to detail, and how the system feels to work in.Comfortable in uncertainty. ...

POCs, multi-stakeholder deals, and usage-based commercial models rather than seat-based subscriptions.This is a 0-to-1 build. If you have built API or data products before and want to do it again in a market where the opportunity is wide open, this is it.What … what format, through which channels, and in what order, balancing client demand, data readiness, and commercial potentialDesign the developer experience end-to-end: API design, documentation, developer portal, sandbox/playground, error handling, rate limiting, and versioningWork with analytics engineering and domain teams to define schemas, data models ...

Consultant) to join our Technology Delivery team. In this role, you’ll combine deep expertise in AI/ML engineering and software development to design, build, and deploy advanced generative AI and agentic systems for leading financial services clients. You’ll work hands-on across the full AI engineering … experience deploying LLMs and multi-modal AI models within enterprise or large-scale production environmentsStrong software engineering expertise in Python, including backend development, API design, and distributed systemsSolid understanding of scalable MLOps, observability, CI/CD practices, and cloud-native AI deployment architecturesExcellent communication, stakeholder management, and problem ...

product suites. Translate business and technical requirements into scalable, resilient and cost‐effective solutions, ensuring alignment with wider enterprise architecture. Provide technical leadership through design reviews, code reviews and architectural governance, supporting high‐quality, secure and maintainable software delivery. Lead the evolution and adoption of engineering practices, principles … designing scalable, resilient and secure technical architectures, with the ability to produce both high‐level and detailed solution designs. Extensive knowledge of integration and API design patterns, including REST APIs, event‐driven architectures, messaging, microservices and orchestration. Expert understanding of modern software engineering principles and architecture patterns, including ...

shape requirements into pragmatic, iterative delivery plans. Own the front end architecture (React + TypeScript + RxJS), including state management, observables, and data flow design for live market data (WebSockets/Server Sent Events). Design and implement modular, testable, and reusable components and design system primitives … senior/lead role. WebSockets, Server-Sent Events, WebRTC or other high performance bidirectional data streaming experience. GraphQL, Protobuf, Flatbuffers or other schema-driven API design tools. Strong RxJS (or equivalent observables experience) and reactive architecture in production systems. Proven experience with real time UIs (market data streams ...

foundational systems that power our embedded finance platform at global scale. The team owns multi-tenant infrastructure, drives cross-domain product capabilities, and helps design technical solutions for enterprise customers.Key areas of ownership include:Embedded Finance Platform: Build and maintain the infrastructure powering customers like Rippling, Navan, Qantas … management, and career development.Set technical direction for scalable, reliable backend systems and partner with senior engineers on architecture and design.Ensure high standards for system design, code quality, testing, and operational excellence.Drive improvements across reliability, observability, security, and developer productivity.Work cross-functionally with product, design, compliance, sales, and engineering ...

solutions. The ideal candidate is a hands-on architect who can define target state architecture, guide engineering teams, and drive best practices across system design, integration patterns, and platform strategy.Responsibilities:Define and own the architecture for applications and services across the end-to-end commodities trade lifecycle.Lead the design … resiliency, including monitoring, alerting, automated controls, reconciliation frameworks, and reprocessing capabilities.Govern architecture decisions with a focus on performance, scalability, maintainability, security, and cost efficiency.Lead design reviews and provide technical direction to engineering teams, promoting strong engineering standards, reusable patterns, and consistent integration approaches.Drive adoption of modern SDLC and platform ...

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, Kaluza makes clean energy dependable and affordable.With teams across Europe, North America, Asia and Australia, and a joint venture with Mitsubishi Corporation in Japan … mock 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 ...

Design, build, and evolve backend services that power pricing and promotions across multiple customer channels. Develop scalable microservices and APIs using Java/Kotlin for reliable pricing calculations and promotions management. Contribute to Kafka-based event-driven architectures for high-volume price publishing and promotional capabilities. Design … Build resilient, low-latency solutions using MongoDB, Redis, PostgreSQL, and distributed data architectures. Own complex backend features across the pricing and promotions lifecycle from design through deployment and operational support. Requirements Strong backend engineer with significant experience designing and operating scalable services in production environments. Working knowledge of Java ...

with support to sites. The Role Due to Vital Energi's continued growth, we are looking for a Lead Integration Developer to lead the design, development and delivery of enterprise integration solutions that enable secure, scalable and reliable connectivity across business applications, data platforms and external systems. Define integration … very own Energy-from-Waste facility, there is no better time to join the family here at Vital Energi. A few key responsibilities Solution Design & Architecture: - Define integration architecture, standards, patterns and best practices. - Design scalable, resilient and secure integration solutions aligned to business and technical requirements. - Develop ...

Fabric Purview APIs Streams Data governance and data literacy. KPI and semantic model design. AI and innovation in analytics. Software Engineering: Strong knowledge of: Design, Build, Test, Release, Deploy using Azure Fabric, data engineering tools. Secure coding practices. API design and integration patterns. Integrations using APIs ...

Responsibilities Contribute across the full SDLC, partnering with Engineering, DevOps, and Product Turn business requirements into robust, secure technical solutions Design and build scalable, high-performing applications and services Write high-quality, maintainable code with strong testing and automation Lead investigations into complex technical issues and ensure system stability … Champion engineering best practices and continuous improvement Shape system and API design using modern architectural principles Communicate clearly with cross-functional teams Mentor junior engineers and support knowledge-sharing Contribute to technical discovery (spikes) and document findings Support CI/CD, IaC, and cloud environments (GitHub Actions, Terraform ...

Manchester, Blackpool, Birmingham, Newcastle) Contract: 6 Months Opportunity We are supporting a major UK Government programme seeking an experienced Solution Architect to lead the design and delivery of enterprise-scale solutions across business-critical functions including People, Finance, Commercial and Estates. This is an excellent opportunity to join … high-profile transformation programme where you will shape technical strategy, design modern cloud-based solutions, and work closely with senior stakeholders, engineering teams, and delivery partners. Key Responsibilities Design end-to-end technical solutions that align with business requirements and enterprise architecture standards. Lead architecture design ...

secure applications, platforms and deployment processes.This is not a traditional vulnerability management role, it is a hands-on Application Security role centred on secure design, CI/CD security, cloud-native technologies, Kubernetes, API security, code analysis, security-as-code and supporting development teams to build secure applications.This … integrating security controls throughout CI/CD pipelines.Strengthening the security of GitHub Actions and comparable continuous integration and deployment platforms.Providing technical guidance on secure API design and protecting externally accessible systems.Supporting the security of Azure cloud infrastructure, including Azure Kubernetes Service (AKS).Assisting with the protection of cloud ...

creates real customer value, prototype the hardest bets yourself, and bring the team with you.Own delivery end-to-end. Pick up a problem, design the solution, ship the work wherever the feature lives, and see it through to production.Own on-call. Be on the rotation, and stand behind what … product, not just code. You measure your work by what changed for the customer, not the lines of code shipped.Production minded. Solid grasp of API design, observability, scaling, reliability, and security.Care about craft. Clean APIs, attention to detail, and how the system feels to work in.Comfortable in uncertainty. ...

creativity and continuous improvement.As a Senior Lead Software Engineer at JPMorgan Chase within the Data Platform & Strategy team within Corporate Risk Technology, you will design, build, and enhance advanced data engineering solutions. You will play a pivotal role in delivering secure, stable, and scalable technology products that support … across multiple technical areas. Your work will help shape the team culture and the impact of our technology solutions.Job Responsibilities:Execute creative software solutions, design, development, and technical troubleshooting to solve complex problemsDevelop secure, high-quality production code for data-intensive applications and review code written by othersIdentify opportunities ...

lead a team of elite engineers who embed directly with Fortune 500 customers to ship deeply integrated AI agents—owning everything from agent design and evaluation to the backend services, data systems, and cloud infrastructure that make them production‐ready. You'll partner closely with our Forward Deployed … volume for senior engineering roles. Hands‐on fluency with the full AI stack. Deep familiarity with LLMs and agent systems, evaluation frameworks, backend and API design (Python or TypeScript), data systems (PostgreSQL, DynamoDB, MongoDB, or similar), and cloud infrastructure (AWS, Azure, or GCP) including Kubernetes, Docker ...

lead a team of elite engineers who embed directly with Fortune 500 customers to ship deeply integrated AI agents—owning everything from agent design and evaluation to the backend services, data systems, and cloud infrastructure that make them production-ready. You'll partner closely with our Forward Deployed … volume for senior engineering roles.Hands-on fluency with the full AI stack. Deep familiarity with LLMs and agent systems, evaluation frameworks, backend and API design (Python or TypeScript), data systems (PostgreSQL, DynamoDB, MongoDB, or similar), and cloud infrastructure (AWS, Azure, or GCP) including Kubernetes, Docker, and IaC tooling.Experience ...

continuous improvement. As a Senior Lead Software Engineer at JPMorgan Chase within the Data Platform & Strategy team within Corporate Risk Technology, you will design, build, and enhance advanced data engineering solutions. You will play a pivotal role in delivering secure, stable, and scalable technology products that support our business … multiple technical areas. Your work will help shape the team culture and the impact of our technology solutions. Job Responsibilities: Execute creative software solutions, design, development, and technical troubleshooting to solve complex problems Develop secure, high‐quality production code for data‐intensive applications and review code written by others ...

continuous improvement. As a Senior Lead Software Engineer at JPMorgan Chase within the Data Platform & Strategy team within Corporate Risk Technology, you will design, build, and enhance advanced data engineering solutions. You will play a pivotal role in delivering secure, stable, and scalable technology products that support our business … multiple technical areas. Your work will help shape the team culture and the impact of our technology solutions. Job Responsibilities Execute creative software solutions, design, development, and technical troubleshooting to solve complex problems Develop secure, high-quality production code for data-intensive applications and review code written by others ...

creativity and continuous improvement.As a Lead Software Engineer at JPMorgan Chase within the Data Platform & Strategy team within Corporate Risk Technology, you will design, build, and enhance advanced data engineering solutions. You will play a pivotal role in delivering secure, stable, and scalable technology products that support our business … across multiple technical areas. Your work will help shape the team culture and the impact of our technology solutions.Job Responsibilities:Execute creative software solutions, design, development, and technical troubleshooting to solve complex problemsDevelop secure, high-quality production code for data-intensive applications and review code written by othersIdentify opportunities ...

Software Architect – Retail Wealth Management 100,000 Plus Bonus and Bens 10% Pension Quant Capital is urgently looking for a Technical Architect with REST API Experience to join or well known Fintech client who are a well know wealth management software business. We are looking for a technically strong … architect to help to design and grow a SaaS platform. The company has bold global ambitions. They have a comprehensive microservices architecture in backend and are looking to extend the pattern into an ambitious micro-frontend strategy for user-facing applications. This is a leadership position. You will ...

creativity and continuous improvement. As a Lead Software Engineer at JPMorgan Chase within the Data Platform & Strategy team within Corporate Risk Technology, you will design, build, and enhance advanced data engineering solutions. You will play a pivotal role in delivering secure, stable, and scalable technology products that support … multiple technical areas. Your work will help shape the team culture and the impact of our technology solutions. Job Responsibilities Execute creative software solutions, design, development, and technical troubleshooting to solve complex problems Develop secure, high-quality production code for data-intensive applications and review code written by others ...