51 to 75 of 320 API Design Jobs in England

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 ...

DescriptionRole Summary :We are seeking an experienced Java API Developer to join our Digital Asset development team. This is a hands‐on engineering role responsible for building and operating secure, resilient API services that power institutional digital asset capabilities—spanning digital custody, tokenization enablement, digital transfer agency … work closely with cross-functional teams to build robust, scalable, and secure digital asset products that meet our business and technical requirements. Role Description: Design, develop, and maintain Java backend services and REST APIs that support digital asset product flows (custody, tokenization, TA, digital cash/settlement) and integrate ...

with Account Executives, Customer Success Managers, and Service Delivery to solve complex identity challenges for enterprise customers, leading efforts from the discovery and solution design through to evaluation for prospects and existing customers. You’ll translate technical and business requirements into scalable solutions, lead technical engagements, and ensure customers … Advise on best practices across identity, compliance, fraud, risk and integrations, adapting your approach to different customer contexts and levels of technical depth Strong API expertise (REST, API design, OAuth, API keys, JSON/XML) with the ability to translate complexity into clear, actionable solutions Comfortable ...

enterprise and partner ecosystems. The position also plays a key role in shaping industry best practices and representing the organisation externally. Enterprise & Ecosystem Architecture Design and oversee the implementation of enterprise‐wide software architecture, spanning internal platforms, cloud environments, and external partner ecosystems Develop “big picture” architectural frameworks … adherence to security, compliance, regulatory, and quality standards Identify and mitigate long‐term architectural risks (e.g., vendor lock‐in, scalability constraints, regulatory exposure) Technical Design & Solution Development Conduct research, analyse data, gather requirements, and define end‐to‐end solutions Create architectural artefacts representing system functions, integrations, and user interfaces ...

Title: Azure Engineer This role leads the design and delivery of cloud-native, full stack products on Microsoft Azure, running on Azure Kubernetes Service (AKS). You will be hands‐on across the stack while setting technical direction, strengthening engineering standards, and ensuring solutions are secure, resilient, observable … full stack delivery across React (TypeScript) front-end applications and Java/Python back‐end services, including microservices and APIs. Own cloud‐native solution design for AKS‐based platforms, defining service boundaries, resilience patterns, scaling approaches, deployment strategies, and operational readiness. Design, build, and operate back‐end services ...

Title: Azure Engineer Job Description This role leads the design and delivery of cloud-native, full stack products on Microsoft Azure, running on Azure Kubernetes Service (AKS). You will be hands-on across the stack while setting technical direction, strengthening engineering standards, and ensuring solutions are secure, resilient … full stack delivery across React (TypeScript) front-end applications and Java/Python back-end services, including microservices and APIs. Own cloud-native solution design for AKS-based platforms, defining service boundaries, resilience patterns, scaling approaches, deployment strategies, and operational readiness. Design, build, and operate back-end services ...

heart of this role both as embedded capabilities within the client facing product and as a core methodology in how we design, build, and ship software (AI-augmented development, AI-driven code generation, and AI-assisted quality assurance). About You You are an experienced software engineer … operational stability matter as much as delivery speed. You enjoy understanding how data flows through systems, how workflows interact across services, and how design decisions affect our clients. You can work autonomously in complex codebases, while collaborating closely with peers across engineering, product, and QA. You embrace ...

major advantage. Key Responsibilities Technical Leadership Own the technical roadmap, guide architectural decisions, and ensure engineering excellence across backend services. Python Engineering Design and build robust, secure, and scalable microservices using Python (FastAPI, Django, Flask). System Architecture Lead the design of distributed systems, event-driven architectures … data intelligence. DevOps & Cloud Collaborate on CI/CD pipelines, containerisation (Docker, Kubernetes), and cloud deployments (AWS/GCP/Azure). Data & API Strategy Oversee API design, data modelling, and integration with internal and external financial systems. Security & Compliance Ensure systems meet regulatory, security, and audit ...

across the firm to ensure our data products deliver value to our customers and they can be readily maintained and enhanced. This encompasses the design and architecture of logical and physical data models and schemas, data transport mechanisms, metadata management, lineage management, API schema design and enabling … financial information to be accessible to AI agents. What You Will Do Design, develop and maintain the technology-agnostic, business-aligned canonical/conceptual data models for Financial Information, defining class definitions, standards and association semantics. Provide data architecture expertise to all delivery teams to ensure we build data ...

building its Payment Facilitator (PayFac)/Acquiring platform and is looking for a hands-on, experienced Software Engineer to take full ownership across design, build, and delivery. This is not a traditional engineering role — there is no rigid separation between engineering and product. You will work directly alongside … product instinct to define scope and prioritise work independently. Payments or fintech exposure is required; what matters is your ability to design and build reliable, scalable systems and to move fast without sacrificing quality. A generalist mindset — able to deliver in key areas, learn others, outsource/work with ...

Role Summary :We are seeking a Java API Developer to join our Digital Asset development team. This is a hands-on software engineering role responsible for designing, developing, testing, and supporting RESTful APIs and backend services in a financial services environment. The role contributes to building reliable, secure … work closely with cross-functional teams to build robust, scalable, and secure digital asset products that meet our business and technical requirements. Role Description :Design, develop, and maintain Java-based backend services and REST APIs that support financial services workflows and data use cases. Implement APIs in line with ...

Solirius Reply, part of the Reply Group, is a technology consultancy and digital transformation partner that helps organisations solve complex challenges through strategy, design, engineering, and delivery. We work closely with our clients to deliver secure, accessible, user-focused services that evolve with their needs. By combining deep technical … expertise with people-centred design, we create solutions that deliver meaningful, lasting impact. Our consultants partner directly with client teams, embedding into organisations to understand their goals, challenges, and users. This collaborative approach enables us to deliver tailored solutions that drive measurable outcomes across public and private sectors. Past ...

Defence delivery team. This is a versatile, high-impact role designed for funded client delivery: you will build mission-critical web applications and API backends for central MoD programmes, while contributing to low-level system integrations (Kotlin, Android ART, IPC/AIDL) on tactical edge and Situational Awareness … platforms. You will sit at the intersection of modern enterprise software engineering and tactical edge integration, ensuring all code meets MoD Secure by Design (SbD) principles and Def Stan 00-056 safety boundaries. Requirements Full-Stack Application Development: Design and build resilient, secure web applications, microservices, and APIs ...

used by over 90% of the Fortune 100, and its proprietary generative AI technology is built in-house. Задачи: Build, scale and evolve the design system, including the component library, design tokens and documentation Extend the design system for AI-assisted development using Storybook and machine-readable … interfaces such as MCP Design component APIs that resist misuse by AI and human developers Write high-quality, performant frontend code with React and TypeScript Partner with design, product and engineering to define components and deliver production-ready solutions Make components accessible by default according to WCAG 2.2 ...

sector clients. We are recruiting for a Senior Full Stack Node Developer to join our Hippo Herd. We work at the intersection of strategy, design, and technology to solve complex problems and create lasting value. Our collaborative and agile culture empowers our teams to make a genuine impact. … play an important role in making Hippo the best Consultancy out there. You will work as part of a multi-disciplinary team combining data, design, product, delivery, analysis and engineering to deliver bespoke digital services that make a positive and meaningful impact on organisations and society. We're confident ...

This Role We're hiring a senior full-stack engineer who owns real problems end-to-end and shapes how the team builds, from API design and frontend experience through to backend services, production reliability, and launch. You already use AI as part of how you think, build … test, and ship. You’ll write code that moves money in production, design and modernize the platform across the stack, and lead delivery of customer-facing features as Xe rebuilds its platform layer. You’ll work in a small engineering team with direct access to product, design ...

Description Job Title: Network Development Specialist (Software Design) Job Function: Engineering Division: Networks Job Location: GBR Ipswich - Adastral Hub, GBR-Birmingham-Three Snowhill Advertised Salary: Competitive with great benefits Locations: Birmingham or Ipswich Why this job matters Our internal Networks unit is responsible for designing, building and running … networks there are, supporting truly world class solutions and services. Put simply, we make the network... work. This team is responsible for the technical design and validation of the UK's largest IP/MPLS core network, which carries 40% of UK broadband traffic, 70% of UK mobile traffic ...

Description Job Title: Network Development Specialist (Software Design) Job Function: Engineering Division: Networks Job Location: GBR Ipswich - Adastral Hub, GBR-Birmingham-Three Snowhill Advertised Salary: Competitive with great benefits Locations: Birmingham or Ipswich Why this job matters Our internal Networks unit is responsible for designing, building and running … networks there are, supporting truly world class solutions and services. Put simply, we make the network... work. This team is responsible for the technical design and validation of the UK's largest IP/MPLS core network, which carries 40% of UK broadband traffic, 70% of UK mobile traffic ...

enjoy solving complex problems, challenging assumptions, collaborating openly, and taking pride in delivering software that makes a real business impact. What You'll Do Design, build and maintain scalable, secure and resilient backend systems using modern Java and the Spring ecosystem. Lead technical design and architectural discussions, ensuring … Optional Spring Boot and the wider Spring ecosystem Vue/Typescript 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 ...

joiners preferred Job Summary We are looking for an experienced Full Stack Engineer with strong expertise in Java, Spring Boot, Angular and TypeScript to design, develop and maintain secure, scalable and high-performance enterprise web applications. The ideal candidate must have hands-on experience in backend engineering, frontend architecture … API development, event-driven systems, databases, containerization, testing and CI/CD. The role also requires strong ownership, technical problem-solving, collaboration and mentoring capabilities. Job Requirements Bachelors degree in Computer Science, Engineering or a related field, or equivalent education and professional experience. Minimum 10 years of software development ...

public sector clients, helping to deliver Solirius' services to the highest standard. The role will involve working with multiple business stakeholders, helping them to design business solutions which will then be implemented by the delivery teams. As a Solution Architect, you will be expected to operate with a high … role will require innovative thinking, applying best practices and emerging technologies to solve complex business problems in creative and pragmatic ways. Requirements Key Responsibilities: Design end-to-end solution architectures that meet business, technical, and security requirements. Translate business and technical requirements into scalable, secure, and cost-effective designs. ...

work to: Build and scale our internal platform offerings (compute, storage and networking services) to ensure the reliability, and performance of our applications. Design and implement monitoring, alerting, and incident response systems. Collaborate with application software engineers (as needed) to guide their design and ensure it scales … reliable, scalable and performant infrastructure to Carta's customers and developers. We are Software and Infrastructure Engineers who specialize in cloud computing, networking, systems design and architecture, storage, real time data telemetry, associated automation, tooling and processes. We possess a breadth and depth of knowledge about Carta's infrastructure ...

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. ...

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 ...

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 ...