51 to 67 of 67 API Design Jobs in England

Hybrid Build the AI systems our users actually experience. We're looking for a dynamic AI Engineer (5+ years) to design, build, and deploy autonomous, user-facing AI solutions - LLM-powered applications, agentic workflows, and intelligent systems that perform reliably at scale, not just in a demo. What … Degree in Computer Science (or equivalent) with strong AI/ML/NLP foundations Strong Python skills, familiarity with Java/Kotlin, and solid API design experience Hands-on experience with LangChain, LangGraph, and LLM APIs (OpenAI, Anthropic, etc.) Skilled in prompt engineering and orchestrating AI agents/ ...

/day (Inside IR35) Duration: 6 Months Sector: Public Sector Opportunity Overview We are seeking an expert Senior Technical Architect to lead the design and delivery of enterprise-scale systems across key operational domains (People, Finance, Commercial, or Estates). You will bridge the gap between complex technical strategy … delivery, translating user needs into robust, value-for-money solutions while championing architecture standards at governance forums. Key Responsibilities Solution Design: Create enterprise-level architecture patterns using microservices, APIs, event-driven design, and file-based transfers. SaaS Strategy: Lead Software-as-a-Service (SaaS) product selection, evaluation ...

translate business requirements into practical technical solutions. Define integration approaches, APIs and data flows between enterprise platforms and business systems. Support architecture governance, technical design reviews and solution assurance activities. Ensure solutions meet security, scalability, resilience and operational support requirements. Work collaboratively with internal stakeholders, delivery teams and third … party suppliers throughout the project lifecycle. Contribute to architecture standards, best practice and reusable design patterns. About You We're looking for an experienced Solution Architect with broad technical knowledge rather than a specialist in a single discipline. You'll be comfortable engaging with both technical and non-technical ...

models and integration patterns Reviewing significant technical initiatives and providing architectural guidance across multiple engineering teams Embedding security, resilience, scalability and observability into platform design from the outset Identifying architectural risk, technical debt and platform constraints Partnering with Engineering and Product leadership on strategic technical decisions Influencing engineering teams … experience defining architecture across SaaS, product-led or platform-based environments Experience working across complex, multi-system or distributed technology landscapes Strong understanding of API design, integration architecture and service-oriented systems Cloud architecture experience, ideally within Azure A strong appreciation for security-by-design, resilience, scalability ...

role in shaping the future technology landscape supporting advisers and clients across the organisation. The Role As Engineering Lead, you'll own the design, development, integration and operation of the firm's financial planning platform, ensuring it remains scalable, secure and fit for future growth. You'll provide technical … Experience Strong experience with iRESS Xplan , including configuration, customisation and integration. Proven leadership experience within software engineering or platform engineering environments. Strong understanding of API design and enterprise integration patterns. Experience delivering solutions within regulated financial services environments. Knowledge of cloud and middleware technologies, including serverless architectures. Experience ...

templates, and agentic workflows, and wire them into application logic that connects with the department's Legacy and multi-cloud systems. Prompt Engineering & Evaluation Design, test, and iterate on prompts and retrieval strategies; run structured evaluations to track answer quality, retrieval accuracy, and hallucination rate over time. Responsible … build can be understood and maintained by internal government engineers. Required Skills & Experience Practical experience building applications using LLMs or other foundation models, via API or self-hosted Experience with RAG architectures, vector databases, and embedding-based retrieval Solid general-purpose programming (commonly Python) and API design ...

technical challenges. Identifying appropriate technologies and approaches for different customer requirements. Developing cloud-native applications and services. Contributing across the full delivery lifecycle, from design and development through to deployment and operational support. Identifying innovative ways to solve complex engineering and business problems. Working collaboratively with software engineers, cloud … following areas would be advantageous: AWS Associate-level certification, such as AWS Solutions Architect, AWS Developer or AWS DevOps Engineer. Microservices architecture and API design. Docker and container platforms including Kubernetes, Amazon EKS or Amazon ECS. AWS operational concepts, including monitoring, observability and FinOps. CI/CD tooling such ...

between Coupa and SAP S/4HANA. This is an opportunity to work on a high-profile global programme, owning integration architecture from initial design through to deployment, cutover and Hypercare. What you'll be doing: Designing and delivering Coupa SAP S/4HANA integrations across complex enterprise landscapes … Leading integration architecture, solution design and technical delivery Building and managing APIs including REST/JSON, OData, IDocs and BAPIs Supporting procurement process integrations covering: Supplier and Business Partner data Purchase Orders Goods Receipts Service Entry Sheets Invoices and payment status updates Master data synchronisation Working with integration platforms ...

vertical, evolving it from a standalone capability into a scalable platform proposition Lead expansion into new acceptance channels and emerging adjacent sectors.] Own API strategy and enablement, ensuring seamless integration with partner technologies and external devices. Develop the vision and roadmap for a key new vertical, shifting from … within Card Present/In-Person Payments Experience owning and scaling payment APIs and third-party integrations Ability to engage in technical discussions around API design, integrations and hardware/software interactions Proven track record identifying product-market fit and expanding into new verticals Experience operating within Agile ...

IR35: Inside IR35 Start Date: September Role Information Experienced Solution Architect required to support a major business transformation programme, owning solution design across platforms, integrations, security, and governance. The role will work closely with technical and business stakeholders to deliver scalable, compliant solutions. *This is a primarily remote position … integrations, APIs, and system interfaces. Ensure alignment with architecture, security, and governance standards. Provide technical leadership across Engineering, Security, and Delivery teams. Support planning, design reviews, and governance forums. Skills Needed Solution Architecture Enterprise & Integration Architecture API Design Security & Identity Architecture Architecture Governance Systems Integration Stakeholder Management ...

IR35: Inside IR35 Start Date: September Role Information Experienced Solution Architect required to support a major business transformation programme, owning solution design across platforms, integrations, security, and governance. The role will work closely with technical and business stakeholders to deliver scalable, compliant solutions. *This is a primarily remote position … integrations, APIs, and system interfaces. Ensure alignment with architecture, security, and governance standards. Provide technical leadership across Engineering, Security, and Delivery teams. Support planning, design reviews, and governance forums. Skills Needed Solution Architecture Enterprise & Integration Architecture API Design Security & Identity Architecture Architecture Governance Systems Integration Stakeholder Management ...

Python Engineer to build next-generation autonomous AI agents for a major global financial services hub. You will move beyond basic chatbots to design multi-step reasoning workflows and enterprise-grade Python APIs that let AI interact directly with real-world software tools. Key Responsibilities Agentic Orchestration: Build stateful … workflows using LangGraph or LangChain . API & Backend Engineering: Write robust Python backends enabling LLMs to execute Function Calling and tool-use. Context & Memory: Optimize prompt engineering, context windows, and retrieval systems (RAG). What You Need Strong Python software development experience. Hands-on experience with GenAI frameworks ( LangGraph ...

deployment, observability, and reliability. Raise engineering excellence and resilience: best practices and automation across code, testing, microservices/APIs, performance, and infrastructure; secure-by-design with threat modeling, logging/monitoring, incident playbooks, and disaster recovery. Partner with product, design, and operations to translate outcomes into measurable technical … building distributed systems and microservices in agile environments (Scrum/Kanban). Deep Java experience (Spring), architectural patterns for scalable, observable, testable systems; strong API design. Strong DevOps practices: CI/CD (e.g., GitLab), automated testing (JUnit/Spock), code reviews, telemetry/observability (Splunk, AppDynamics), containers (Docker ...

deployment, observability, and reliability. Raise engineering excellence and resilience: best practices and automation across code, testing, microservices/APIs, performance, and infrastructure; secure-by-design with threat modeling, logging/monitoring, incident playbooks, and disaster recovery. Partner with product, design, and operations to translate outcomes into measurable technical … building distributed systems and microservices in agile environments (Scrum/Kanban). Deep Java experience (Spring), architectural patterns for scalable, observable, testable systems; strong API design. Strong DevOps practices: CI/CD (e.g., GitLab), automated testing (JUnit/Spock), code reviews, telemetry/observability (Splunk, AppDynamics), containers (Docker ...

deployment, observability, and reliability. Raise engineering excellence and resilience: best practices and automation across code, testing, microservices/APIs, performance, and infrastructure; secure-by-design with threat modeling, logging/monitoring, incident playbooks, and disaster recovery. Partner with product, design, and operations to translate outcomes into measurable technical … building distributed systems and microservices in agile environments (Scrum/Kanban). Deep Java experience (Spring), architectural patterns for scalable, observable, testable systems; strong API design. Strong DevOps practices: CI/CD (e.g., GitLab), automated testing (JUnit/Spock), code reviews, telemetry/observability (Splunk, AppDynamics), containers (Docker ...

deployment, observability, and reliability. Raise engineering excellence and resilience: best practices and automation across code, testing, microservices/APIs, performance, and infrastructure; secure-by-design with threat modeling, logging/monitoring, incident playbooks, and disaster recovery. Partner with product, design, and operations to translate outcomes into measurable technical … building distributed systems and microservices in agile environments (Scrum/Kanban).. Deep Java experience (Spring), architectural patterns for scalable, observable, testable systems; strong API design. Strong DevOps practices: CI/CD (e.g., GitLab), automated testing (JUnit/Spock), code reviews, telemetry/observability (Splunk, AppDynamics), containers (Docker ...

Role: We are seeking an experienced Full-Stack Engineer (5-7 years) to join a leading global financial institution in London. You will design, build, and maintain high-performance, cloud-native applications supporting critical financial operations. Key Responsibilities: Design and deliver end-to-end applications using Java (Spring … proficiency in Java, Spring Boot, and ReactJS . Hands-on experience with AWS, Kubernetes, and Kafka . Strong grasp of multithreading, microservices architecture, and API design. Financial services, Investment Banking, or Risk domain experience is highly advantageous. Ability to work from the London office 3 days per week . ...