1 to 25 of 139 Permanent API Design Jobs in the UK excluding London

DNA. Invest in us andwe’llinvest in you!. Job Description We are looking for an experienced Integration Solutions Architect to lead the design, governance and modernisation of enterprise integration solutions across cloud-native, legacy and external partner environments. The role will have a strong focus on Microsoft Azure … Azure API Management (APIM) , designing secure, scalable and resilient integration architectures. You will work closely with engineering, platform, DevOps and architecture teams to establish API standards, integration patterns, automated deployment approaches and secure connectivity across Azure environments. Key Responsibilities Lead the end-to-end architecture and design ...

within our DNA. Invest in us andwellinvest in you!. Job Description We are looking for an experienced Integration Solutions Architect to lead the design, governance and modernisation of enterprise integration solutions across cloud-native, legacy and external partner environments. The role will have a strong focus on Microsoft … Azure and Azure API Management (APIM) , designing secure, scalable and resilient integration architectures. You will work closely with engineering, platform, DevOps and architecture teams to establish API standards, integration patterns, automated deployment approaches and secure connectivity across Azure environments. Key Responsibilities Lead the end-to-end architecture ...

advanced agentic workflows at pace - orchestrating sub-agents, managing context, running parallel workstreams and embedding AI-native engineering patterns into everyday delivery. Interpreting our design system to craft beautiful, highly interactive UX workflows from low-fidelity inputs - you don't wait for polished Figma to produce polished UI. Inputting … into architecture and technical direction in collaboration with Principal Engineers - making considered, well-reasoned decisions on patterns, frameworks, state management, API design and performance. Championing a high-quality engineering culture - test coverage, peer review, CI/CD discipline via GitHub Actions, secure coding, accessibility (WCAG) and performance - aligned ...

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 APIs and integrations following industry standards. Contribute to API design standards and documentation. Deliver complete end-to-end features … Understanding the difference between relational, NoSQL and other persistence technologies. Experience building shared platforms, common services or greenfield technical foundations. Building APIs adhering to design principles such as RESTful API design Building observable systems Experience in regulated or financial-services environments. Exposure to payments, transaction processing ...

Role Overview We are looking for an experienced Technical Architect with strong expertise in the Banking and Financial Services domain to lead the design and implementation of enterprise-grade technology solutions. The ideal candidate will possess deep technical expertise across application architecture, cloud technologies, integration platforms, and banking systems … while ensuring solutions align with business and regulatory requirements. Key Responsibilities Architecture & Solution Design Define and govern application architecture standards, frameworks, and best practices. Design scalable, secure, resilient, and high-performance banking applications. Create High-Level Design (HLD) and Low-Level Design (LLD) documents. Drive modernization ...

company undertakes large-scale technology initiatives while prioritizing digital transformation, security, and continuous innovation. We're looking for an experienced Backend Engineer to design and build robust, scalable microservices. You'll work across the full backend stack - from API design through to production-grade integration testing - using … Spring Boot 3 Proven experience building and maintaining microservices architectures Practical experience with Kafka (producers, consumers, event-driven patterns) Strong understanding of REST API design best practices Proficiency with Gradle for build management Familiarity with MapStruct and Feign Working knowledge of domain-driven design (DDD) patterns ...

Gradle, Java, Kafka, REST APIs, Spring Boot We’re looking for an experienced Backend Engineer to design and build robust, scalable microservices. You’ll work across the full backend stack — from API design through to production‐grade integration testing — using modern Java and Spring technologies. Requirements Strong … Spring Boot 3 Proven experience building and maintaining microservices architectures Practical experience with Kafka (producers, consumers, event‐driven patterns) Strong understanding of REST API design best practices Proficiency with Gradle for build management Familiarity with MapStruct and Feign Working knowledge of domain‐driven design (DDD) patterns ...

Gradle, Java, Kafka, REST APIs, Spring Boot We’re looking for an experienced Backend Engineer to design and build robust, scalable microservices. You’ll work across the full backend stack — from API design through to production-grade integration testing — using modern Java and Spring technologies. Requirements Strong … Spring Boot 3 Proven experience building and maintaining microservices architectures Practical experience with Kafka (producers, consumers, event-driven patterns) Strong understanding of REST API design best practices Proficiency with Gradle for build management Familiarity with MapStruct and Feign Working knowledge of domain-driven design (DDD) patterns ...

Architect – Risk Intelligence Content Curation & Distribution Come join the Risk Intelligence Content Curation and Distribution team as an Application Architect, and help drive application design, as we support our World-Check customers in protecting against sanctions evasion, money laundering, human trafficking, terrorisim and more! Role Summary The Application Architect … role contributes to their the architecture and technical direction on the Risk Content Curation and Distribution Platform This role focuses on application‐level architecture, design quality, and technical guidance, working closely with Solution Architects, Product Owners, and engineering teams. You will help translate business and non‐functional requirements into ...

technical input, guidance and leadership to the team (including code quality, best practices, processes, some aspects of release management, etc.). Assist in the design and documenting of solutions meeting functional and non-functional requirements. Lead by example getting directly involved in the day-to-day delivery of work … bring Platform and controlplane engineering Practical experience designing and developing management and controlplane capabilities for lineofbusiness or SaaS applications, including stack/environment management, API design for platform services, and developer/operator UX. Experience working with or designing Azure stamp-based or scale‐unit architectures, including multi ...

Purpose of the role To design, develop and improve software, utilising various engineering methodologies, that provides business, platform, and technology capabilities for our customers and colleagues. Accountabilities Development and delivery of high-quality software solutions by using industry aligned programming languages, frameworks, and tools. Ensuring that code is scalable … secure coding practices to mitigate vulnerabilities, protect sensitive data, and ensure secure software solutions. Implementation of effective unit testing practices to ensure proper code design, readability, and reliability. Assistant Vice President Expectations To advise and influence decision making, contribute to policy development and take responsibility for operational effectiveness. Collaborate ...

coherent, aligned and fit for purpose given the company strategy. 6x Delivery Performance: Architect application frameworks and patterns (e.g., modularity, high cohesion, spec-first API design) that enable a 6x improvement in product development cycles through agentic AI workflows. Commercial Delivery Support: Partner with product engineering to ensure … modernisation roadmap, using the "5Rs" framework (Rehost, Replatform, Refactor, Rewrite, Replace) to maximise EBITDA impact. Platform Services Delivery & Growth Acceleration Platform-as-a-Product: Design, build and deploy the engineering roadmap for the core platform fabric and the suite of self‐service platform products that abstract complexity and allow ...

real world. You’ll be trusted to make technical decisions, explore and implement new tools, and influence how our teams engineer quality from design through to production. You might find yourself: Designing, developing and maintaining production-quality software, test infrastructure and reusable engineering tools for APIs, microservices and front … applications. Applying software engineering principles such as modular design, clean code, design patterns, code review and appropriate automated testing. Designing scalable automation frameworks and libraries that improve testability, developer feedback and delivery speed. Embedding automated quality checks in CI/CD pipelines using tools such as Azure DevOps ...

across our Government and Public Sector. If you already hold active UK SC clearance or are eligible (5+ years UK residency) and want to design, build, and test solutions that make an impact across the nation, we’d love to meet you. Connect to your career at Deloitte Deloitte … real world. You’ll be trusted to make technical decisions, explore and implement new tools, and influence how our teams engineer quality from design through to production. You might find yourself: Designing, developing and maintaining production-quality software, test infrastructure and reusable engineering tools for APIs, microservices and front ...

Director Data & Analytics API Experience - Data ServicesBackground: CME Group runs some of the world's largest and most important trading venues, including derivatives exchanges, FX/FI platforms. The trading participants include leading investment banks, hedge funds, proprietary trading firms, investment managers, and retail traders, as well as additional … stakeholders such as independent software vendors (ISVs) and data redistributors. To support our unique data and analytics products, we are now building a unified API-first distribution framework, simplifying consumption and value extraction. The Role: We are seeking a key stakeholder for the CMEG External Data-Analytics (DA) APIs ...

contribute across multiple domains, partnering with business and technology stakeholders to deliver strategic platforms that enable the firm’s objectives. Job Responsibilities Lead the design, development, and delivery of innovative software solutions, solving complex problems with creative and forward-thinking approaches Build and maintain high-quality, secure, and production … eliminate recurring issues, improving platform stability and efficiency Develop and implement data-intensive and statistical solutions using Java/Scala on large-scale datasets Design and build AI-enabled applications, including AI Agents and agentic workflows Work across hybrid data ecosystems (AWS, Databricks, Kubernetes) Ensure code quality through unit ...

Summary Solution Architect AWS | Microservices & Event-Driven Architecture Cambridge - Hybrid - 2 days The Opportunity We're looking for an experienced Solution Architect to design and lead the implementation of scalable, cloud-native systems on AWS. You'll work across engineering, product and business stakeholders to define architecture for distributed … business goals, run architecture reviews and threat modelling sessions, and own the technical roadmap across multiple product domains. Lead service decomposition using Domain-Driven Design - defining bounded contexts, inter-service contracts, and REST/GraphQL/gRPC APIs - and set patterns for resilience (circuit breakers, retries, bulkheads) and observability ...

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 ...

openly, and taking pride in delivering software that makes a real business impact. What You'll Do As a Senior Backend Engineer, you will: Design, build and maintain scalable, secure and resilient backend systems using Kotlin and Spring Boot Lead technical design and architectural discussions, ensuring solutions … have strong commercial experience with: Spring Boot and the wider Spring ecosystem 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 ...

openly, and taking pride in delivering software that makes a real business impact. What You'll Do As a Senior Backend Engineer, you will: Design, build and maintain scalable, secure and resilient backend systems using Kotlin and Spring Boot Lead technical design and architectural discussions, ensuring solutions … have strong commercial experience with: Spring Boot and the wider Spring ecosystem 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 ...

openly, and taking pride in delivering software that makes a real business impact. What You'll Do As a Senior Backend Engineer, you will: Design, build and maintain scalable, secure and resilient backend systems using Kotlin and Spring Boot Lead technical design and architectural discussions, ensuring solutions … have strong commercial experience with: Spring Boot and the wider Spring ecosystem 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 ...

engineers, influence technical direction, and make a meaningful impact at one of the world's leading financial institutions. Job responsibilities Execute software solutions across design, development, and technical troubleshooting, thinking beyond conventional approaches to break down complex problems and build scalable solutions Create secure, high-quality production code … maintain algorithms that run synchronously with appropriate systems Produce architecture and design artifacts for complex applications, ensuring design constraints are met throughout the software development lifecycle Build and maintain full-stack features in close partnership with product and design teams to deliver high-quality, accessible user experiences ...

scalable and future-proof Designing and developing secure, high-performance APIs and integrating third-party tools and services Producing and reviewing detailed Solution Design documentation, ensuring consideration of security, performance, and system-wide impact Driving high standards through code reviews, mentoring engineers, and contributing to CI/… some of the following skills: Strong experience with TypeScript, Node.js, and modern frontend frameworks such as React or Angular Deep understanding of software architecture, design patterns, and API design principles Experience working with CI/CD pipelines, automated testing frameworks (e.g. Jest, Playwright), and version control Proven ...

negotiable depending on experience) Responsibilities and Duties The Software Architect role requires a professional who combines deep technical expertise with strategic vision to design and guide the implementation of scalable, maintainable software systems. They will be responsible for defining architectural standards, evaluating technology choices, and ensuring development teams have … software development Strong expertise in .NET development, C#, and Visual Studio Experience developing .NET based web services and distributed systems Demonstrated ability to design and implement scalable, maintainable software architectures Experience with architectural patterns (microservices, event‐driven, layered architecture, etc.) Strong understanding of software design principles (SOLID ...

Bestway is modernising its application estate towards cloud-native architecture. We are looking for a hands-on Lead Application Architect to own application-level design, define our engineering standards, and introduce AI-assisted development practices across the team. You will sit between our Solution Architects, who define high-level … designs, and the development team, who deliver them. You will turn HLDs into well-documented, implementable designs (Low-Level Design) and make sure the code that results is consistent, secure and maintainable. About Bestway Bestway Group is a diversified multinational family owned business with annualised turnover in excess ...