1 to 25 of 98 API Design Jobs in the UK

in AI research and engineering in developing impactful solutions that are reshaping the world of regulatory compliance. Role Mission: To drive the strategic vision and execution of CUBE's API products, ensuring our APIs are the gold standard for integration enabling exceptional user experiences with minimal lift. The Role: Our APIs are the critical bridge between CUBE's powerful … Platform and users' existing tech stack. As a Senior Product Manager for API, you'll own the entire API product lifecycle-from strategic vision through to developer adoption and customer success. You'll be responsible for transforming complex integration problems into intuitive, scalable API solutions that enable financial institutions to integrate CUBE seamlessly. This is a hands … Working in our fast-paced, iterative environment, you'll navigate ambiguity with confidence, making strategic product decisions that balance technical excellence with commercial impact. Key Responsibilities: Manage and execute API product strategy, aligning with CUBE's strategic objectives and user needs. Develop, maintain and oversee execution of the API product roadmap. Define API product requirements, specifications, PRDs More ❯

Role Description: Working with the Project Manager, architects, clients & other stakeholders to implement MuleSoft APIs. This role will require knowledge of MuleSoft's Anypoint Studio & Anypoint Platform, which includes Design Center, Runtime Manager, API Manager, Exchange, etc. You must be capable of understanding business requirements, working with stakeholders & implementing complex integrations. Responsibilities: Designing & developing integration solutions using MuleSoft … modules. Collaborating with other developers & stakeholders to understand business requirements & translate them into integration solutions. Required Skills: Good experience of: integration concepts & technologies. MuleSoft Anypoint Platform & components (Mule ESB, API Manager, CloudHub, etc.) Java programming & experience with other programming languages such as XML, JSON, SQL Agile software development methodologies. Cloud-based integration platforms such as Amazon Web Services (AWS … or Microsoft Azure. API design and development. Knowledge of RESTful web services, SOAP, & other integration protocols Familiarity with API design & development best practices Strong problem-solving skills & ability to troubleshoot integration issues. Good communication & teamwork skills Strong understanding of Agile development methodologies & experience working in an Agile environment Nice to Have Skills: Experience with cloud platforms More ❯

and the latest trends in Audit delivery. Why Join KPMG As a Senior Python Developer As a Senior Python Developer, you will play a hands-on role in the design and development of secure, scalable, and high-performance backend services that drive key components of the audit technology landscape. You will develop integrations with internal and external APIs, build … code practices. What will you be doing Backend Development: Develop, test, and maintain Python-based backend services, leveraging asynchronous programming and multithreading to optimize performance and scalability where appropriate. API Integration: Develop, document, and consume RESTful APIs, including integration with Microsoft Graph APIs and other third-party systems. Security Compliance: Implement robust authentication and authorization mechanisms and enforce security … best practices to safeguard API communication and data integrity. Cloud Engineering: Design and implement components using Azure services such as Function Apps, API Management, Application Gateway, Azure AI Foundry, Databricks and Service Bus. DevOps & CI/CD: Collaborate on build and deployment automation using Git, Azure DevOps, and CI/CD pipelines. Workflow Automation: Collaborate with stakeholders More ❯

and the latest trends in Audit delivery. Why Join KPMG As a Senior Python Developer As a Senior Python Developer, you will play a hands-on role in the design and development of secure, scalable, and high-performance backend services that drive key components of the audit technology landscape. You will develop integrations with internal and external APIs, build … code practices. What will you be doing Backend Development: Develop, test, and maintain Python-based backend services, leveraging asynchronous programming and multithreading to optimize performance and scalability where appropriate. API Integration: Develop, document, and consume RESTful APIs, including integration with Microsoft Graph APIs and other third-party systems. Security Compliance: Implement robust authentication and authorization mechanisms and enforce security … best practices to safeguard API communication and data integrity. Cloud Engineering: Design and implement components using Azure services such as Function Apps, API Management, Application Gateway, Azure AI Foundry, Databricks and Service Bus. DevOps & CI/CD: Collaborate on build and deployment automation using Git, Azure DevOps, and CI/CD pipelines. Workflow Automation: Collaborate with stakeholders More ❯

and the latest trends in Audit delivery. Why Join KPMG As a Senior Python Developer As a Senior Python Developer, you will play a hands-on role in the design and development of secure, scalable, and high-performance backend services that drive key components of the audit technology landscape. You will develop integrations with internal and external APIs, build … code practices. What will you be doing Backend Development: Develop, test, and maintain Python-based backend services, leveraging asynchronous programming and multithreading to optimize performance and scalability where appropriate. API Integration: Develop, document, and consume RESTful APIs, including integration with Microsoft Graph APIs and other third-party systems. Security Compliance: Implement robust authentication and authorization mechanisms and enforce security … best practices to safeguard API communication and data integrity. Cloud Engineering: Design and implement components using Azure services such as Function Apps, API Management, Application Gateway, Azure AI Foundry, Databricks and Service Bus. DevOps & CI/CD: Collaborate on build and deployment automation using Git, Azure DevOps, and CI/CD pipelines. Workflow Automation: Collaborate with stakeholders More ❯

and the latest trends in Audit delivery. Why Join KPMG As a Senior Python Developer As a Senior Python Developer, you will play a hands-on role in the design and development of secure, scalable, and high-performance backend services that drive key components of the audit technology landscape. You will develop integrations with internal and external APIs, build … code practices. What will you be doing Backend Development: Develop, test, and maintain Python-based backend services, leveraging asynchronous programming and multithreading to optimize performance and scalability where appropriate. API Integration: Develop, document, and consume RESTful APIs, including integration with Microsoft Graph APIs and other third-party systems. Security Compliance: Implement robust authentication and authorization mechanisms and enforce security … best practices to safeguard API communication and data integrity. Cloud Engineering: Design and implement components using Azure services such as Function Apps, API Management, Application Gateway, Azure AI Foundry, Databricks and Service Bus. DevOps & CI/CD: Collaborate on build and deployment automation using Git, Azure DevOps, and CI/CD pipelines. Workflow Automation: Collaborate with stakeholders More ❯

and the latest trends in Audit delivery. Why Join KPMG As a Senior Python Developer As a Senior Python Developer, you will play a hands-on role in the design and development of secure, scalable, and high-performance backend services that drive key components of the audit technology landscape. You will develop integrations with internal and external APIs, build … code practices. What will you be doing Backend Development: Develop, test, and maintain Python-based backend services, leveraging asynchronous programming and multithreading to optimize performance and scalability where appropriate. API Integration: Develop, document, and consume RESTful APIs, including integration with Microsoft Graph APIs and other third-party systems. Security Compliance: Implement robust authentication and authorization mechanisms and enforce security … best practices to safeguard API communication and data integrity. Cloud Engineering: Design and implement components using Azure services such as Function Apps, API Management, Application Gateway, Azure AI Foundry, Databricks and Service Bus. DevOps & CI/CD: Collaborate on build and deployment automation using Git, Azure DevOps, and CI/CD pipelines. Workflow Automation: Collaborate with stakeholders More ❯

modern delivery processes, and innovative projects involving AI and ML which provides a dynamic and stimulating work environment. Key Responsibilities Architect and document solutions in a cloud-first environment. Design and configure Dataverse/Dynamics entities and forms. Develop Power Apps (Model and Canvas), integrating with Azure services like Logic Apps, Service Bus, and Azure Functions. Extend Dynamics functionality … using PCF controls, XrmToolBox plugins, and custom components. Consult on API design, performance, scalability, and security. Lead elements of the technical architecture, ensuring alignment with business needs and technical standards. Collaborate with delivery partners and internal teams, presenting at architecture boards and guiding strategic decisions. Stay informed on emerging technologies, particularly across the Microsoft ecosystem. Apply government security … Experience Expert in Power Platform and Dynamics 365 architecture. Hands-on experience with Dataverse customisation, PCF controls, and XrmToolBox plugins. Strong Azure knowledge, including Logic Apps, Service Bus, Functions, API Management. Proficient in API design, relational data modelling, and integration strategies. Experienced in Power Automate, Dynamics workflows, business rules, plugins, and web resources. Deep understanding of Dynamics More ❯

modern delivery processes, and innovative projects involving AI and ML which provides a dynamic and stimulating work environment. Key Responsibilities Architect and document solutions in a cloud-first environment. Design and configure Dataverse/Dynamics entities and forms. Develop Power Apps (Model and Canvas), integrating with Azure services like Logic Apps, Service Bus, and Azure Functions. Extend Dynamics functionality … using PCF controls, XrmToolBox plugins, and custom components. Consult on API design, performance, scalability, and security. Lead elements of the technical architecture, ensuring alignment with business needs and technical standards. Collaborate with delivery partners and internal teams, presenting at architecture boards and guiding strategic decisions. Stay informed on emerging technologies, particularly across the Microsoft ecosystem. Apply government security … Experience Expert in Power Platform and Dynamics 365 architecture. Hands-on experience with Dataverse customisation, PCF controls, and XrmToolBox plugins. Strong Azure knowledge, including Logic Apps, Service Bus, Functions, API Management. Proficient in API design, relational data modelling, and integration strategies. Experienced in Power Automate, Dynamics workflows, business rules, plugins, and web resources. Deep understanding of Dynamics More ❯

systems Debug complex runtime issues including data races, memory leaks, and performance bottlenecks Turn research prototypes into robust, production-ready software modules Lead architecture discussions and enforce clean, scalable design patterns Drive engineering standards across CI/CD, observability, and system modularisation Mentor developers through code reviews, pair programming, and design walkthroughs Bridge the gap between research and … threading, profiling Experience debugging complex issues in large, multi-threaded or real-time systems Comfortable optimising across CPU/GPU boundaries (e.g. PyTorch, TensorRT, CUDA) Passion for clean code, API design, and maintainable architecture Proven track record of delivering production-grade systems in fast-moving teams Desirable: Experience with ROS 2, DDS, or other robotics middleware Familiarity with … encourage you to apply today. Key words: Senior Software Engineer, Robotics, C++, Python, ROS 2, DDS, CUDA, PyTorch, TensorRT, Real-Time Systems, Embedded Systems, Low Latency, CI/CD, API Design, Linux Kernel, Multithreading, GPU Optimisation, Robotics Engineer, Autonomous Systems, London Engineering Jobs, Robotics Startups, High Performance Computing Established in Didsbury, Connexa Technology Ltd is becoming one of More ❯

Senior API Technical Consultant (GraphQL Specialist) Design and build next generation of high-scale SaaS platforms. We're looking for a senior/lead engineering consultant with deep expertise in GraphQL to take a leading role in developing our robust TypeScript/Node.js backend. You will be instrumental in shaping our technical direction, driving the evolution of our … APIs, ensuring our services are resilient, scalable and secure within a cutting-edge, cloud-native environment (Helm, Kubernetes). The Deliverables Design and build sophisticated, scalable GraphQL APIs and backend services using TypeScript and Node.js. Lead the design and evolution of our API schemas, ensuring they meet the complex demands of a rapidly growing platform. Champion best … team to guide process improvements and make key architectural decisions. Experience Extensive production experience architecting and delivering complex applications with TypeScript and Node.js . Expert level GraphQL , including advanced API design, schema evolution, performance optimisation. Strong automated testing frameworks like Vitest and Playwright . Proficiency with modern DevOps tooling and cloud-native architecture, including Docker , Helm , Kubernetes . More ❯

sectors. Key Responsibilities: Full stack developer with around 8-10 years development experience, working in a agile development team to deliver robust enterprise-wide solutions utilising industry standard practices Design, develop, enhance and maintain applications using agreed coding standards and quality targets. Ensure quality via code reviews and thorough unit testing. Liaise with immediate scrum team, other scrum/… Experience and expertise with the following technical stack Angular 13+ with DevExtreme UI library desirable Playwright, ReadyAPI and Specflow. Jira, Github, Confluenc Nice to have - C# and .NET6+ Rest API's and Microservice architecture SQL Server Database, NHibernate or Entity Framework Demonstrate expertise of: Building modern-web applications Modern UI design principles. i.e. Able to take initial design direction and interpret those guidelines to finalise the design through to a solution Restful API Design and development fundamentals Good SQL knowledge Test case preparation and execution EDUCATION & EXPERIENCE REQUIREMENTS 8-10 years' experience designing and developing applications both individually and as part of a team Familiarity with energy or financial trading environment Strong inter-personal More ❯

a large global consultancy, is looking for an Azure Solution Architect to play a key role in the RegDB decommission program , working closely with stakeholders and offshore teams to design, develop, and deliver high-quality Azure-based solutions. This is a hands-on role where you will combine solution design expertise with strong development and integration skills. Key … in C#/.NET Framework with strong coding and debugging skills. Experience with Azure services : Logic Apps, Functions, APIM, Event Grid, Azure Storage, Service Bus. Strong knowledge of the API/integration lifecycle , including design, deployment, and enhancement. Hands-on experience building and updating integrations/APIs in Azure Integration . Programming proficiency: JavaScript, XSLT, C#, Liquid Templates … . Expertise in RESTful & SOAP API design , APIM policy, and transformations. Skilled in API/Integration security protocols & best practices . Practical experience with Postman, API monitoring, and documentation tools . Knowledge of Open API Specification, WSDL, SOAP, XSLT . Proficiency in SQL Server and OOPs concepts . Application Insight proficiency in .NET and .NET More ❯

secure and robust solutions. The ideal candidate will be a technical leader, capable of designing and implementing the core architecture of our payment aggregation platform. Key Responsibilities: Lead the design and development of the core backend architecture, including the API gateway, transaction management layer, and merchant management layer. Select and implement appropriate technologies from our stack, which includes … python, Node.js, or Jave for programming languages; Django, Express.js, or Spring Boot for frameworks; and PostgreSQL or MySQL for transactional date, with Redis for caching and session management. Design and implement robust security measures, including AES-256 encryption for sensitive data, TLS for secure communication, and OAuth/JWT for authentication and authorisation. Ensure the platform is compliant with … external systems. Implement features for transaction tracking and status management (pending, completed, failed), refund and chargeback handling, and payment settlement (funds transfer to merchant accounts). Participate in architectural design discussions, code reviews, and technical mentoring. Contribute to the development of a developer-friendly API and comprehensive documentation. Set up and manage cloud infrastructure on AWS, Google Cloud More ❯

secure and robust solutions. The ideal candidate will be a technical leader, capable of designing and implementing the core architecture of our payment aggregation platform. Key Responsibilities: Lead the design and development of the core backend architecture, including the API gateway, transaction management layer, and merchant management layer. Select and implement appropriate technologies from our stack, which includes … python, Node.js, or Jave for programming languages; Django, Express.js, or Spring Boot for frameworks; and PostgreSQL or MySQL for transactional date, with Redis for caching and session management. Design and implement robust security measures, including AES-256 encryption for sensitive data, TLS for secure communication, and OAuth/JWT for authentication and authorisation. Ensure the platform is compliant with … external systems. Implement features for transaction tracking and status management (pending, completed, failed), refund and chargeback handling, and payment settlement (funds transfer to merchant accounts). Participate in architectural design discussions, code reviews, and technical mentoring. Contribute to the development of a developer-friendly API and comprehensive documentation. Set up and manage cloud infrastructure on AWS, Google Cloud More ❯

up-within a startup-style venture backed by the strength and stability of an established business. Key Responsibilities End-to-end development of high-quality, scalable SaaS platforms from design through deployment and maintenance. Architect and implement robust backend services primarily using Python and PostgreSQL. Develop and maintain responsive, performant front-end applications with TypeScript and modern frameworks (e.g. … development productivity and platform capabilities. Provide technical mentorship and leadership to development teams, fostering best practices in coding, testing, and deployment. Participate in code reviews, architecture discussions, and system design decisions. Troubleshoot and resolve complex technical issues across the full stack. Ensure software security, scalability, and performance are maintained at all times. Keep abreast of emerging technologies and industry … Proven expertise in full-stack development using: TypeScript (and JavaScript frameworks such as NextJS, Node, or Tailwind) Python (including frameworks like Django, Flask, or FastAPI) PostgreSQL and relational database design, optimization, and maintenance. AI Development Tools such as Windsurf, Aider or Augment. Demonstrable experience building and scaling SaaS platforms in a production environment. Strong understanding and practical application of More ❯

for someone who thrives in a fast-paced, dynamic environment, takes ownership of their work, and is passionate about building high-quality software using modern engineering practices. Key Responsibilities Design, develop, and maintain high-quality integration microservices in Go, adhering to business and technical requirements. Translate complex business workflows into scalable technical implementations using a microservices-first approach. Develop … and Experience Commercial experience developing backend services using Go (Golang). Experience with Java or other object-oriented programming languages is also valuable. Strong understanding of microservices architecture, REST API design, and distributed systems principles. Experience with integration patterns, asynchronous processing, messaging queues (e.g., Kafka, RabbitMQ), and event-driven systems. Hands-on experience working with SQL databases, schema … design, and data transformation. Proficiency in containerization and orchestration tools such as Docker and Kubernetes. Familiarity with software development best practices including version control (Git), CI/CD pipelines, and Agile methodologies. Proven ability to quickly learn new technologies, understand business domains, and adapt to evolving priorities. Excellent problem-solving and debugging skills with a keen attention to detail. More ❯

Solution Architect - TOGAF, Network and Security Design Exp at N Consulting Ltd About the Role We are seeking a highly skilled Solution Architect with strong expertise in solution design, system integration, and technical leadership. The role involves defining end-to-end architectures, leading complex projects, and ensuring alignment with business and technical requirements. The ideal candidate will have … strong stakeholder management skills, deep knowledge of industry standards, and a solid understanding of security and cloud technologies. Key Responsibilities Lead solution architecture and high-level design for complex, large-scale projects. Design and integrate APIs and system components ensuring scalability, reliability, and security. Provide technical leadership across cross-functional teams to drive system integration initiatives. Collaborate with … analysis for new and existing solutions. Ensure adherence to formal architecture frameworks and standards (e.g., TMF, TOGAF). Evaluate and recommend cloud-based solutions and emerging technologies. Apply security design principles to ensure compliance and risk mitigation. Support project delivery teams by providing architecture guidance throughout the solution lifecycle. Key Skills & Experience Proven experience in Solution Architecture and System More ❯

robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is important. Responsibilities Working in a team of Front-End engineers Writing clear & concise code Working closely with Back-End engineers Participate in architecture design code reviews API design with the Back-End engineers and other team members to establish more functional, cohesive code Create, maintain documentation while implementing the best coding practices standards Hands-on approach Participation in sprint rituals What you’ll need 6+ years experience developing large-scale web applications Experience working in an agile environment Strong experience with More ❯

a website maintenance job — you’ll be building the logic, architecture, and integrations that power core customer solutions. The Role Working within a small specialist backend team, you’ll design, implement, and deliver PHP-based product features and custom solutions. You’ll be involved from requirements capture through to design, build, test, and deployment — with the autonomy to … architecture Occasionally creating supporting UIs for complex functionality What We’re Looking For Deep expertise in object-oriented PHP and backend architecture Strong understanding of software engineering principles and design patterns API design, development, and integration experience HTML, CSS, JavaScript Solid database knowledge (MySQL preferred) Comfortable owning projects end-to-end Desirable: Linux, SaaS platforms, CRM systems More ❯

team members Technology coach to the wider Minster Law leadership team (and beyond as required) as we continue our journey to be a digitally competent business. Responsible for the design and execution of our technology ‘product’ design process from solution ideation to solution design, and solution implementation Responsible for establishing and managing the IT Application Architecture for … incidents or issues raised through the service desk ticket notification processes. Provides analysis of security protection technologies as necessary. Ensures that software products are developed using a ‘Security by Design’ principle In collaboration with the Head of Digital Operations and Delivery Manager ensure all appropriate security considerations are considered and applied to all applications, architecture and solution designs Work … Application development skills using .NET, C# Strong understanding of front-end technologies such as JavaScript, Angular, React. Strong experience in designing cloud-native applications and architectures. Strong background in API design and integration patterns. Deep understanding of Azure cloud services and modern deployment practices. Strong knowledge of development management tooling and approaches, including code control, collaboration, and test More ❯

team members Technology coach to the wider Minster Law leadership team (and beyond as required) as we continue our journey to be a digitally competent business. Responsible for the design and execution of our technology ‘product’ design process from solution ideation to solution design, and solution implementation Responsible for establishing and managing the IT Application Architecture for … incidents or issues raised through the service desk ticket notification processes. Provides analysis of security protection technologies as necessary. Ensures that software products are developed using a ‘Security by Design’ principle In collaboration with the Head of Digital Operations and Delivery Manager ensure all appropriate security considerations are considered and applied to all applications, architecture and solution designs Work … Application development skills using .NET, C# Strong understanding of front-end technologies such as JavaScript, Angular, React. Strong experience in designing cloud-native applications and architectures. Strong background in API design and integration patterns. Deep understanding of Azure cloud services and modern deployment practices. Strong knowledge of development management tooling and approaches, including code control, collaboration, and test More ❯

delivery processes, and work on innovative projects. Collaborating with experts in their fields, you will make valuable contributions and drive our technology and services forward. Your experience of developing API based solutions will be essential to improve our integration with both internal and external interfaces. This role requires you to take ownership and have a strong appetite for learning … needs of large deliveries, breaking them down into smaller manageable components ensuring appropriate software, hardware and integration methods are employed. Participate where required to support the building of requirements. Design and build technical solution meeting requirements. Provide technical governance, ensuring technical solutions and decisions adhere to quality, principles, policies and standards. Create and present relevant and appropriate documentation at … governance boards such as the Technical Design Authority and Solution Design Authority. Own the technical roadmaps for allocated capabilities ensuring ongoing deliveries consider business needs, technology updates and changes and the wider impact on the technology estate. Liaise with architects from other areas and disciplines to ensure alignment of architectures across your areas of responsibility. Work with Strategic More ❯

intelligent scheduling features, and automation agents that accelerate content production while maintaining brand consistency and localization. The company is a proud member of the MACH Alliance, advocating for modern, API-first, cloud-native technologies. Role Key Responsibilities Technical Leadership - Provide technical direction throughout the software development lifecycle and aligning to internal best practices. Hands-On Coding - Make direct contributions … technology (additional experience with Solr experience). CI/CD Proficiency – Deep knowledge of the software development lifecycle, including automation best practices and CI/CD tools. Scalable System Design – Experience building and maintaining scalable, highly available systems, employing industry-standard patterns and methodologies. API Design – Familiar with REST and GraphQL API best practices. Person We … technical excellence, contribute directly to product development, and nurture a high-performing team. The ideal candidate will bring a strong foundation in backend technologies, cloud infrastructure, and scalable system design, alongside proven experience in team leadership and mentoring. Essential Skills & Experience Technical Leadership Proven ability to set technical direction and guide architectural decisions across the software development lifecycle. Experience More ❯

processing pipelines, and backend integrations with third-party services like Stripe, PayPal, and Open Banking providers. Key Responsibilities: Build and maintain robust RESTful APIs for mobile and web clients. Design and manage databases built in MongoDB and SQL Server to store, query, and aggregate user financial data. Develop data ingestion pipelines to process real-time and batch data from … a startup or SaaS environment). Proficient in .Net, Core 8, Razor Pages and Bootstrap 5 for UI. Experience with databases such as MongoDB and SQL Server, including schema design, indexing, and performance tuning. Familiarity with cloud platforms like Azure (we use Azure). Experience with containerization tools (Docker, Docker Compose) and deployment pipelines. Strong understanding of API design, versioning, and security (OAuth, JWT, API tokens). Comfortable working with Git, agile methodologies, and CI/CD practices. A good understanding of data protection, GDPR, and fintech security requirements. Nice to Have Exposure to event-driven architecture or message queues (e.g. Kafka). Experience integrating payment platforms like Stripe, PayPal, Plaid, or Open Banking. Exposure More ❯