51 to 75 of 201 API Design Jobs in the UK

SPONSORED Location: London Our client is looking for an experienced Java Developer with active SC clearance . You'll join their team to design, build and maintain RESTful and SOAP microservices using Spring Boot in an Agile environment. As a Java Developer, you will be responsible for designing, developing … preferably should have SC/DV clearance or must be eligible and willing to go through SC/DV clearance. What you'll do Design, develop and deploy RESTful and SOAP microservices using Spring Boot Work with cross-functional teams to analyse requirements and deliver features Write clean, well ...

sector clients, helping to deliver our client 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 Junior Solution Architect, you will undertake structured analysis of technical issues … translating this analysis into designs that describe a solution. You will be consulted on design and can provide design patterns. You will identify the deeper issues that need fixing and look for opportunities to collaborate and reuse components, communicating with both technical and non-technical stakeholders. You will ...

software for bioprocessing products used by pharmaceutical and biotechnology customers. You will contribute across the software development lifecycle, from requirements gathering and prototyping through design, development, testing, documentation, and release, helping to create solutions that support better health for more people. Based at our site in Royston (Hertfordshire), with … software functionality in collaboration with Product Management, customer feedback and internal development teams· Translate requirements into sustainable software solutions through prototyping, clear software design and active participation in design reviews· Architect and develop modern software applications and web components using technologies such as C#, .NET, TypeScript and React ...

development, delivery and production operations whilst remaining hands-on, writing production code and tackling the most technically complex problems. You'll own system architecture, API design, technical decisions, design reviews and code quality and partner with Product Managers on roadmaps, delivery plans and priorities. Providing technical leadership … leadership within a software engineering teamYou have strong backend development skills with C# .Net (would also consider other OO languages)You have strong system design experience, particularly distributed systems and microservicesYou have frontend experience with Vue.js, React or modern AngularYou have a good knowledge of SQL and relational databasesYou ...

platform itself, with opportunities to deliver features such as intelligent assistants, process automation and document processing. Youll take ownership of features from design through to production, working closely with product, design and engineering colleagues. Key responsibilities Build and maintain backend applications using Node.js. Develop APIs, database services … customer experiences and business processes. Own implementation, testing, deployment and ongoing support. Contribute to architecture, code reviews and engineering standards. Work collaboratively across product, design, platform and payments teams. What were looking for At least five years commercial software development experience. Strong experience developing Node.js backend systems. Proven API ...

ServicesDevelop secure, scalable REST and gRPC services using FastAPI, Flask, and Node.js.Implement authentication, authorization, observability, testing, and performance monitoring.Ensure reliability, maintainability, and best-practice API design.Deliver Digital Twin ExperiencesIntegrate real-time operational data with advanced 3D and 4D visualizations.Work with OpenUSD, NVIDIA Omniverse, and Unreal Engine technologies.Create interactive digital ...

/CD, security etc).Working within a project management/agile delivery methodologyExperience in technical ownership for a product or software solution, covering design, estimation, shaping and user story/requirement creationDocumentation of solutions (e.g., architecture, configuration, release, support-handoverCollaborate and liaise with other Version 1 and customer stakeholders … coding best practices and modern architectural patterns, including microservices and message-driven architectures.Non-Functional Requirements: Experience developing applications with non-functional requirements in mind.Application Design: Experience in application/digital services design.Software Engineering Practices: Proficiency in software engineering practices like code reviews, CI/CD pipelines, and SOLID/ ...

/CD, security etc).Working within a project management/agile delivery methodologyExperience in technical ownership for a product or software solution, covering design, estimation, shaping and user story/requirement creationDocumentation of solutions (e.g., architecture, configuration, release, support-handoverCollaborate and liaise with other Version 1 and customer stakeholders … coding best practices and modern architectural patterns, including microservices and message-driven architectures.Non-Functional Requirements: Experience developing applications with non-functional requirements in mind.Application Design: Experience in application/digital services design.Software Engineering Practices: Proficiency in software engineering practices like code reviews, CI/CD pipelines, and SOLID/ ...

/CD, security etc).Working within a project management/agile delivery methodologyExperience in technical ownership for a product or software solution, covering design, estimation, shaping and user story/requirement creationDocumentation of solutions (e.g., architecture, configuration, release, support-handoverCollaborate and liaise with other Version 1 and customer stakeholders … coding best practices and modern architectural patterns, including microservices and message-driven architectures.Non-Functional Requirements: Experience developing applications with non-functional requirements in mind.Application Design: Experience in application/digital services design.Software Engineering Practices: Proficiency in software engineering practices like code reviews, CI/CD pipelines, and SOLID/ ...

/CD, security etc).Working within a project management/agile delivery methodologyExperience in technical ownership for a product or software solution, covering design, estimation, shaping and user story/requirement creationDocumentation of solutions (e.g., architecture, configuration, release, support-handoverCollaborate and liaise with other Version 1 and customer stakeholders … coding best practices and modern architectural patterns, including microservices and message-driven architectures.Non-Functional Requirements: Experience developing applications with non-functional requirements in mind.Application Design: Experience in application/digital services design.Software Engineering Practices: Proficiency in software engineering practices like code reviews, CI/CD pipelines, and SOLID/ ...

/CD, security etc).Working within a project management/agile delivery methodologyExperience in technical ownership for a product or software solution, covering design, estimation, shaping and user story/requirement creationDocumentation of solutions (e.g., architecture, configuration, release, support-handoverCollaborate and liaise with other Version 1 and customer stakeholders … coding best practices and modern architectural patterns, including microservices and message-driven architectures.Non-Functional Requirements: Experience developing applications with non-functional requirements in mind.Application Design: Experience in application/digital services design.Software Engineering Practices: Proficiency in software engineering practices like code reviews, CI/CD pipelines, and SOLID/ ...

development, delivery and production operations whilst remaining hands-on, writing production code and tackling the most technically complex problems. You'll own system architecture, API design, technical decisions, design reviews and code quality and partner with Product Managers on roadmaps, delivery plans and priorities. Providing technical leadership … leadership within a software engineering teamYou have strong backend development skills with C# .Net (would also consider other OO languages)You have strong system design experience, particularly distributed systems and microservicesYou have frontend experience with Vue.js, React or modern AngularYou have a good knowledge of SQL and relational databasesYou ...

/CD, security etc).Working within a project management/agile delivery methodologyExperience in technical ownership for a product or software solution, covering design, estimation, shaping and user story/requirement creationDocumentation of solutions (e.g., architecture, configuration, release, support-handoverCollaborate and liaise with other Version 1 and customer stakeholders … practices and modern architectural patterns, including microservices and message-driven architectures. Non-Functional Requirements: Experience developing applications with non-functional requirements in mind. Application Design: Experience in application/digital services design. Software Engineering Practices: Proficiency in software engineering practices like code reviews, CI/CD pipelines, and SOLID ...

passionate Senior Software Engineer to join our Core AI Services team at the forefront of industrial AI Innovation. In this role, you will help design, develop, and scale AI-enabling platform services, agentic workflows, and public APIs that are secure, reliable, and cloud-native. These services will … passion for keeping up with the latest AI engineering patterns and practices, eager to translate emerging tech into reliable, enterprise-ready software. Key Responsibilities: Design, build, and maintain scalable, fault-tolerant cloud-native services on Microsoft Azure. Develop secure, well-documented public APIs and SDKs for consumption by internal ...

across the organisation to build scalable developer platforms, influence engineering strategy and drive the adoption of Generative AI and modern engineering practices.Key ResponsibilitiesDrive the design and delivery of enterprise-scale applications supporting critical business functions and large user populations.Remain hands-on with software architecture, system design, code reviews … using Kubernetes, containers, microservices and event-driven architectures.Strong understanding of distributed systems, resiliency patterns, scalability and performance engineering.Strong knowledge of SQL and NoSQL technologies, API design and integration patterns.Excellent communication and stakeholder management skills with the ability to influence technology decisions across numerous teams and organisations.Growth mindset with ...

Help solve real-world challenges that touch millions and get the opportunity to build the future of finance with Citi Tech. Key ResponsibilitiesDrive the design and delivery of enterprise-scale applications supporting critical business functions and large user populations. Remain hands-on with software architecture, system design, code … containers, microservices and event-driven architectures. Strong understanding of distributed systems, resiliency patterns, scalability and performance engineering. Strong knowledge of SQL and NoSQL technologies, API design and integration patterns. Excellent communication and stakeholder management skills with the ability to influence technology decisions across numerous teams and organisations. Growth ...

/Full-stack Engineers to join our Core AI Services team at the forefront of industrial AI Innovation. In this role, you will help design, develop, and scale AI-enabling platform services, agentic workflows, and public APIs that are secure, reliable, and cloud-native. These services will … passion for keeping up with the latest AI engineering patterns and practices, eager to translate emerging tech into reliable, enterprise-ready software. Key Responsibilities: Design, build, and maintain scalable, fault-tolerant cloud-native services on Microsoft Azure. Develop and maintain clean, responsive web user interfaces and developer tools using ...

services and automation that connect complex infrastructure environments. The wider goal is to remove manual infrastructure processes and replace them with reliable, self-service, API-driven services. You will design and develop integrations across areas including bare-metal compute, networking, storage, cloud and workload platforms. A major part … role will involve building API services around a central CMDB, creating a reliable source of truth that can drive automated provisioning, configuration and infrastructure lifecycle management. Responsibilities will include: Building production-grade services and automation primarily in Python Designing REST APIs and integration layers across infrastructure platforms Developing CMDB ...

cloud-native adoption, and AI-assisted development practices. Position As Lead Application Architect, you'll take ownership of application-level architecture and low-level design, helping to establish development standards and modern engineering practices across the organisation. Key responsibilities include: Producing component-level and code-level designs and detailed … Level Design (LLD) documentation Translating high-level architectural designs into clear implementation plans for development teams Creating and maintaining Architecture Decision Records (ADRs) and facilitating design reviews Defining and embedding engineering standards, coding principles, and security best practices Driving adoption of AI-assisted development tools across the software ...

native adoption, and AI-assisted development practices. The Role As Lead Application Architect, you'll take ownership of application-level architecture and low-level design, helping to establish development standards and modern engineering practices across the organisation. Key responsibilities include: Producing component-level and code-level designs and detailed … Level Design (LLD) documentation Translating high-level architectural designs into clear implementation plans for development teams Creating and maintaining Architecture Decision Records (ADRs) and facilitating design reviews Defining and embedding engineering standards, coding principles, and security best practices Driving adoption of AI-assisted development tools across the software ...

engineering and delivery, shaping how apps, services, and systems come together. It’s a varied role that mixes hands-on coding with architectural design and technical leadership. You’ll design and build modern environments, integrate multiple SaaS platforms, and help set the standards for how things are done … code using Terraform and CloudFormation• Docker and Kubernetes• Automation and CI/CD pipelines• GitHub and GitHub ActionsSoftware and Frameworks• React, Node, Next.js, Python• API design and integration• RESTful services and automationData and Platforms• Salesforce• Google Workspace• Atlassian tools such as Jira and Confluence• Databases including DynamoDB, MongoDB ...

foundations: pipelines and lakehouse patterns (Microsoft Fabric/OneLake, Databricks, or equivalents), streaming and event-driven integration where the problem demands it Enterprise integration: API design and consumption at scale, including REST, OData, GraphQL, and webhook/event patterns into ERP-class systems What sets candidates apart Classical … delivery on the CTO Office's highest-priority technical projects, end to end Write and review code daily; the role never becomes slideware Design and ship agentic and LLM-based systems to production standard: retrieval at scale, evals, guardrails, security and identity, monitoring and auditability Drop into unfamiliar codebases ...

that meet our clients' needs. You will collaborate with cross-functional teams to deliver innovative products that drive business success. Core Responsibilities: Software Development: Design, develop, test and deploy software applications and features using industry best practices and coding standards. Write clean, efficient, and maintainable code that meets functional … performance requirements. Technical Design: Collaborate with product managers, designers, and fellow engineers to translate business requirements into technical designs and architecture. Participate in architectural discussions, propose solutions, and make recommendations for system improvements. Problem Solving: Analyze complex technical problems and propose creative solutions. Troubleshoot issues, debug code, and implement ...

that meet our clients' needs. You will collaborate with cross-functional teams to deliver innovative products that drive business success. Core Responsibilities: Software Development: Design, develop, test and deploy software applications and features using industry best practices and coding standards. Write clean, efficient, and maintainable code that meets functional … performance requirements. Technical Design: Collaborate with product managers, designers, and fellow engineers to translate business requirements into technical designs and architecture. Participate in architectural discussions, propose solutions, and make recommendations for system improvements. Problem Solving: Analyze complex technical problems and propose creative solutions. Troubleshoot issues, debug code, and implement ...

works with top tier global financial institutions and major tech companies to offer our client products and services directly to their customers. Through our API, we help partners to architect and build integrations to our world class-leading international finance products, which in turn improves our client by increasing … turnaround times. Designing and developing innovative new features that expand the functionality of our client's services and exposing these features through the public API, enabling seamless integration with partner systems and empowering them to leverage the full potential of our client's platform. Diagnosing and resolving complex technical ...