51 to 75 of 142 API Design Jobs in England

applications while collaborating with architects, engineers and stakeholders to deliver innovative digital solutions. The Role As a Senior Software Engineer, you'll lead the design and development of modern cloud-native applications, working closely with clients to understand business requirements and translate them into robust technical solutions. … contribute to solution design, mentor other engineers, promote engineering best practices, and help shape scalable, resilient platforms built on Microsoft Azure. What You'll Be Doing Design, develop and deliver modern cloud-native applications. Build scalable, secure and resilient event-driven solutions. Develop production-quality software using .NET ...

contexts Use customer feedback, analytics, and direct user insights to inform technical decisions, prioritise improvements, and validate that shipped features deliver measurable value Design and implement complex data flows, API integrations, and background processing systems that handle high-volume operations reliably while maintaining system performance and data integrity … Partner with product, design, and customers to shape solutions early, translating business requirements into technical architecture while surfacing risks and opportunities that impact customer outcomes Mentor and coach other engineers, raising the bar for technical excellence through code reviews, pair programming, and architectural guidance Beyond the tech ...

depth in fraud prevention, abuse detection, rate limiting, or bot protection to guide architectural decisions across a complex, multi-layered fraud stack. Distributed systems design: Proven experience designing, building, and operating scalable, highly available distributed systems in a cloud-native environment. Modern tech stack experience: Demonstrable experience with cloud … platforms (preferably AWS), containerisation (Docker, Kubernetes), and API design (gRPC, REST). Database expertise: Hands-on experience with both relational and NoSQL databases. A people-first approach: Deep commitment to the growth and well-being of your team, with proven experience in coaching, mentorship, and performance management. Commercial ...

that drive business transformation. Working closely with stakeholders, engineering teams and platform specialists, you'll translate complex business needs into innovative technical solutions, championing API-led and event-driven architecture principles. You'll also help drive the adoption of emerging AI capabilities, ensuring AI-powered solutions are implemented … will: Partner with business stakeholders, solution architects and delivery teams to understand business needs and translate them into innovative, future-ready solution designs. Design, shape and govern scalable, secure and highly available solutions using Microsoft Azure technologies, ensuring they meet both current and future business demands. Drive the adoption ...

advance your career while helping us deliver exceptional solutions. As a Lead Software Development Engineer in Test (SDET) in our technology team, you will design, build, and support automated testing frameworks for backend applications. You will collaborate closely with developers and engineers to ensure robust, scalable, and reliable systems. … role in driving innovation and efficiency within our testing processes. Together, we foster a culture of learning, teamwork, and excellence. Job Responsibilities: Design and support automated testing frameworks for backend applications Develop and maintain test scripts using Python3 and pytest Implement and validate REST API functionality and principles ...

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 … 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 ...

Solutions Architect - INSIDE IR35 - HYBRID Solutions Architect Ready to shape enterprise integration at scale? We're looking for an experienced Solutions Architect to design secure, scalable, and innovative integration solutions across cloud, on-premises, and hybrid environments. You'll lead API strategy, middleware architecture, event-driven integration … cloud connectivity while working with cutting-edge technologies including Azure, AWS, Kafka, MuleSoft, Boomi, and API Management platforms. If you're passionate about solving complex integration challenges, influencing enterprise architecture, and driving digital transformation, we'd love to hear from you. Required Skills and Experience Strong experience in enterprise ...

skilled Sr. Delivery Consultant to join our team at Amazon Web Services (AWS). In this role, you will work closely with customers to design, implement, and manage AWS solutions that meet their technical requirements and business objectives. You will be a key player in driving customer success throughout … here: https://www.gov.uk/government/publications/united-kingdom-security-vetting-clearance-levels Basic Qualifications Experience as a technical specialist in design and architecture. Experience in cloud-based solution (AWS or equivalent), system, network, and operating system. Experience in external or internal customer-facing, complex ...

security etc). Working within a project management/agile delivery methodology Experience in technical ownership for a product or software solution, covering design, estimation, shaping and user story/requirement creation Documentation of solutions (e.g. architecture, configuration, release, support-handover Collaborate and liaise with other Version … including microservices and message-driven architectures NFR/Non-Functional requirement understanding and experience developing applications with this in mind Application/Digital Services Design experience Experience in software engineering practices like Code Reviews, CI/CD Pipelines and SOLID/DRY principals Hands-on developing/coding role ...

join the Developer Platform team and build AI-enabled web applications and services that improve app development and management workflows. This role will design and deliver full stack solutions that support external partners and internal stakeholders across the Roku ecosystem. You will contribute across frontend and backend systems, with … drive an agent, verify its output, and ramp on an unfamiliar codebase with an agent helping you. What are the responsibilities of the role? Design and build full stack web applications using React and Node.js Integrate AI capabilities including LLM-driven experiences where appropriate Develop APIs and microservices that ...

Boomi AtomSphere, connecting multiple enterprise platforms across cloud and on-premise environments. This is a hands-on technical position requiring strong Boomi development experience, API integration knowledge and the ability to support complex integration landscapes. Key Responsibilities: Design and develop scalable integration solutions using Dell Boomi AtomSphere, including … secure Managed File Transfer (MFT) workflows to support high-volume and sensitive data transfers Publish, secure and govern REST/SOAP APIs through Boomi API Management, including gateway configuration, throttling and developer portal management Develop and maintain CI/CD pipelines using Git, Azure DevOps or Jenkins, supporting automated ...

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 ...

centres already operating at 100% whole slide image scanning capacity in Geneva and Lausanne. Core Responsibilities Core Agentic Architecture & Retrospective Extraction LLM Extraction Agents: Design, build, and maintain production-grade LLM-based extraction pipelines to automatically parse years of unstructured PDF pathology reports. Structured Parsing: Programmatically extract clinical entities … biomarker statuses from raw, free-text documents. Framework Selection: Evaluate and integrate specialized agentic frameworks and orchestration tooling (e.g., LangChain, LlamaIndex, or direct LLM API implementations) based on measurable extraction accuracy against real-world clinical text, rather than what is fashionable. Confidence Scoring & Human-Review Loops: Build programmatic confidence ...

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 ...

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 ...

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 ...

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-assistant engineering tools where they provide clear ...

advantageous Prior senior level/architecture experience Good communication skills Used to working in an agile environment Desirable Skills Blazor (or happy to learn) API design experience (preferably .NET Web API) Elastic Search (with Kibana dashboards) Experience working with third-party API’s JIRA/Agile ...

early-stage architecture definition, ensuring business and technical requirements are appropriately translated into solution designs. Support impact assessments, architectural governance activities, and Technical Design Authority (TDA) submissions. Design and assure solutions spanning Internet of Things (IoT), Access Control, Building Management Systems (BMS), Building Information Modelling (BIM), asset data … enterprise IT infrastructure. Define integration approaches, API strategies, and data flows across digital platforms and operational technologies. Engage with internal teams and third-party suppliers, facilitating technical reviews and evaluating architectural options to support informed decision-making. Required Skills & Qualifications: Broad understanding of IoT, enterprise data, BIM, system integration ...

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 ...

What were looking for: Hands-on experience running real production workloads on AWS not just deploying to it Strong Postgres/SQL skills: schema design, query tuning, migrations Solid API design chops: clear contracts, versioning, backwards compatibility Python-first mindset (FastAPI or similar) Redis experience: caching patterns ...

looking for: • Hands-on experience running real production workloads on AWS — not just deploying to it • Strong Postgres/SQL skills: schema design, query tuning, migrations • Solid API design chops: clear contracts, versioning, backwards compatibility • Python-first mindset (FastAPI or similar) • Redis experience: caching patterns, invalidation ...

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 ...

influence technical strategy Work within a senior, AI-first engineering environment KEY POINTS Senior technical leadership role with significant architectural ownership Leading the design and development of a modern platform rebuild Strong focus on Node.js, TypeScript, React and cloud technologies Opportunity to shape engineering standards, architecture and AI adoption … role where you'll help shape the future of a modern, large-scale platform whilst remaining hands-on with development. You'll lead the design and delivery of scalable backend services, APIs, integrations and data flows, whilst providing architectural guidance across the wider engineering team. Although the role ...