1 to 25 of 66 Permanent API Design Jobs in the UK excluding London

and platform teams to ensure the company's APIs are well-designed, discoverable, versioned, and aligned with modern integration patterns. The ideal candidate will also guide the adoption of API tooling and platforms such as TIBCO, Apigee, or Azure API Management, enhancing the developer experience both internally and externally. Key Responsibilities: Technical Leadership & API Strategy Define and … maintain the organisation's API strategy, including standards for design, documentation, versioning, security, and lifecycle management. Establish and evolve reusable API design patterns, working closely with architects and platform teams. Guide platform adoption and integration of API gateway/orchestration tools (e.g., TIBCO, Apigee, Azure API Management). Support consistent enforcement of API governance policies, authentication mechanisms, and API analytics. Contribute to the long-term roadmap for API enablement, developer tooling, and discoverability. Design, Development & Enablement Design and build Spring Boot-based APIs that are scalable, testable, and well-structured. Lead or support squads in the delivery of high-impact integration solutions across services and platforms. Collaborate on More ❯

is welcome; join us and let's build what's next - together! We are seeking a Senior Software Engineer to join our team in Manchester! Your Impact Software Development: Design, implement, and maintain scalable, maintainable, and efficient Python-based applications, focusing on backend and full-stack development. Collaboration & Communication: Work closely with product managers, designers, and other engineers to … familiarity with CI/CD pipelines (e.g., Jenkins, GitLab CI). Testing and Debugging: Experience with testing tools like pytest, unit tests, and debugging skills to quickly resolve issues. API Design: Strong knowledge of RESTful API design and implementation; knowledge of GraphQL is a plus. Security Best Practices: Awareness of security best practices in software development. More ❯

Cloud Application Developer - Azure API Management | Leeds (Hybrid) Are you an experienced Cloud Application Developer with strong skills in Azure API Management ? We're working with a global technology business that is transforming its digital product ecosystem - and they're looking for a developer to help shape and deliver their next generation of cloud solutions. The Opportunity You … applications. It's a great time to join: the company is evolving into the enterprise market, creating genuine opportunities for career growth and innovation. What You'll Do Own API design & management using Azure API Management - you'll be the subject-matter expert in this space. Develop and maintain cloud applications using C# or Python. Build solutions … a DevOps framework (Azure DevOps/GitHub Actions). Contribute to best practice in cloud security and governance . What We're Looking For Strong, proven experience with Azure API Management (essential). Solid development background in C# and/or Python (OO programming). Experience with Azure cloud services, ideally including IoT Hub/Edge. Knowledge of RESTful More ❯

Cloud Application Developer - Azure API Management Leeds (Hybrid) Are you an experienced Cloud Application Developer with strong skills in Azure API Management ? We're working with a global technology business that is transforming its digital product ecosystem - and they're looking for a developer to help shape and deliver their next generation of cloud solutions. The Opportunity You … applications. It's a great time to join: the company is evolving into the enterprise market, creating genuine opportunities for career growth and innovation. What You'll Do Own API design & management using Azure API Management - you'll be the subject-matter expert in this space. Develop and maintain cloud applications using C# or Python. Build solutions … a DevOps framework (Azure DevOps/GitHub Actions). Contribute to best practice in cloud security and governance . What We're Looking For Strong, proven experience with Azure API Management (essential). Solid development background in C# and/or Python (OO programming). Experience with Azure cloud services, ideally including IoT Hub/Edge. Knowledge of RESTful 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 ❯

Must have skills: • A successful LCNC and API Integration Architect typically has a strong background in software development and systems integration. Essential qualifications include: • Technical Expertise: Deep knowledge of integration patterns, API architecture (REST, SOAP), and microservices. Proficiency with at least one major iPaaS or LCNC platform. • Analytical Skills: The ability to analyze complex business problems and translate … teams. • Problem-Solving: Strong troubleshooting and problem-solving abilities to address integration issues in a timely manner Minimum number of relevant years of experience: - 10+ years of exp in API and LCNC development. - Minimum 3 to 4 years of architect experience. RESPONSIBLITIES A Low-Code/No-Code (LCNC) and API Integration Architect is a senior technical role … goal is to create scalable, efficient, and secure systems that connect various applications and data sources, enabling faster business process automation and digital transformation. Key Responsibilities A LCNC and API Integration Architect's responsibilities fall into three main categories: architecture & strategy, design & development, and governance & standards. 1. ARCHITECTURE & STRATEGY This architect is a strategic thinker who maps out More ❯

Must have skills: • A successful LCNC and API Integration Architect typically has a strong background in software development and systems integration. Essential qualifications include: • Technical Expertise: Deep knowledge of integration patterns, API architecture (REST, SOAP), and microservices. Proficiency with at least one major iPaaS or LCNC platform. • Analytical Skills: The ability to analyze complex business problems and translate … teams. • Problem-Solving: Strong troubleshooting and problem-solving abilities to address integration issues in a timely manner Minimum number of relevant years of experience: - 10+ years of exp in API and LCNC development. - Minimum 3 to 4 years of architect experience. RESPONSIBLITIES A Low-Code/No-Code (LCNC) and API Integration Architect is a senior technical role … goal is to create scalable, efficient, and secure systems that connect various applications and data sources, enabling faster business process automation and digital transformation. Key Responsibilities A LCNC and API Integration Architect's responsibilities fall into three main categories: architecture & strategy, design & development, and governance & standards. 1. ARCHITECTURE & STRATEGY This architect is a strategic thinker who maps out More ❯

Must have skills: • A successful LCNC and API Integration Architect typically has a strong background in software development and systems integration. Essential qualifications include: • Technical Expertise: Deep knowledge of integration patterns, API architecture (REST, SOAP), and microservices. Proficiency with at least one major iPaaS or LCNC platform. • Analytical Skills: The ability to analyze complex business problems and translate … teams. • Problem-Solving: Strong troubleshooting and problem-solving abilities to address integration issues in a timely manner Minimum number of relevant years of experience: - 10+ years of exp in API and LCNC development. - Minimum 3 to 4 years of architect experience. RESPONSIBLITIES A Low-Code/No-Code (LCNC) and API Integration Architect is a senior technical role … goal is to create scalable, efficient, and secure systems that connect various applications and data sources, enabling faster business process automation and digital transformation. Key Responsibilities A LCNC and API Integration Architect's responsibilities fall into three main categories: architecture & strategy, design & development, and governance & standards. 1. ARCHITECTURE & STRATEGY This architect is a strategic thinker who maps out More ❯

Overview AWS Technical Lead with experience leading an API-driven digital platform hosted on AWS is needed. Your role will involve driving the implementation of scalable, secure, and high-performance solutions integrated with Salesforce. Responsibilities Lead the design and implementation of scalable, secure, and high-performance solutions on AWS, with integration to Salesforce. Drive API design … end), Jenkins (CI), Karate/Gherkin (testing/BDD), and Cypress (UI testing); ability to implement DevSecOps practices and manage CI/CD pipelines. Systems & Integration: Solid understanding of API design principles and integration techniques for connecting cloud services with enterprise systems. Certifications: AWS certified (e.g. AWS Certified Developer - Associate or higher). Location: Based in the UK 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 ❯

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 ❯

in Artificial Intelligence, Data Engineering, Data Analytics, and Software Development, the team is revolutionising the auditing process to deliver smarter, faster, and more reliable outcomes. Our mission is to design and implement robust, intelligent, and scalable technologies that not only streamline workflows but also enhance audit quality and generate actionable insights for auditors and clients. Through harnessing the power … Requirements Experience: Significant professional experience in backend development as a Senior role. Languages/Frameworks: Strong proficiency in Python with hands-on experience in asynchronous programming, concurrency and multithreading. API Expertise: Proven experience in building and integrating APIs, with expertise in API documentation and schema definition using OpenAPI/Swagger. Strong understanding of RESTful API design, authentication/authorization standards, and API lifecycle best practices; familiarity with Microsoft Graph API is a plus. Experience & Knowledge Requirements Good knowledge of generative AI, machine learning, deep learning, natural language processing or other relevant AI fields. Proven track record of designing, developing, and deploying AI systems in production environments. Proficient in Python and key ML libraries More ❯

in Artificial Intelligence, Data Engineering, Data Analytics, and Software Development, the team is revolutionising the auditing process to deliver smarter, faster, and more reliable outcomes. Our mission is to design and implement robust, intelligent, and scalable technologies that not only streamline workflows but also enhance audit quality and generate actionable insights for auditors and clients. Through harnessing the power … Requirements Experience: Significant professional experience in backend development as a Senior role. Languages/Frameworks: Strong proficiency in Python with hands-on experience in asynchronous programming, concurrency and multithreading. API Expertise: Proven experience in building and integrating APIs, with expertise in API documentation and schema definition using OpenAPI/Swagger. Strong understanding of RESTful API design, authentication/authorization standards, and API lifecycle best practices; familiarity with Microsoft Graph API is a plus. Experience & Knowledge Requirements Good knowledge of generative AI, machine learning, deep learning, natural language processing or other relevant AI fields. Proven track record of designing, developing, and deploying AI systems in production environments. Proficient in Python and key ML libraries More ❯

in Artificial Intelligence, Data Engineering, Data Analytics, and Software Development, the team is revolutionising the auditing process to deliver smarter, faster, and more reliable outcomes. Our mission is to design and implement robust, intelligent, and scalable technologies that not only streamline workflows but also enhance audit quality and generate actionable insights for auditors and clients. Through harnessing the power … Requirements Experience: Significant professional experience in backend development as a Senior role. Languages/Frameworks: Strong proficiency in Python with hands-on experience in asynchronous programming, concurrency and multithreading. API Expertise: Proven experience in building and integrating APIs, with expertise in API documentation and schema definition using OpenAPI/Swagger. Strong understanding of RESTful API design, authentication/authorization standards, and API lifecycle best practices; familiarity with Microsoft Graph API is a plus. Experience & Knowledge Requirements Good knowledge of generative AI, machine learning, deep learning, natural language processing or other relevant AI fields. Proven track record of designing, developing, and deploying AI systems in production environments. Proficient in Python and key ML libraries 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 ❯

end systems and abstractions Implement performance improvements and engineering best practices Collaborate across multi-disciplinary teams to refine features and user journeys Participate in code reviews, architecture discussions, and design decisions Develop APIs and microservices to enable secure and high-performing functionality Play a key role in the ongoing journey to cloud-based infrastructure and deployment Writing modular, well … deep back-end development experience, ideally in large-scale environments Strong experience with Java and Spring Boot Familiarity with Node.js and React/AngularJS is beneficial Experience with microservices, API design, and event-driven architecture Strong knowledge of RESTful APIs, web services, and Git version control Solid experience with Docker or other containerisation tools Proven track record using More ❯

interact with complex data and models, while contributing to the growth and technical leadership of the engineering team. Key Responsibilities for Senior Full Stack Software Engineer Angular/Python Design, develop, and maintain responsive and performant Angular components. Develop and optimise backend services in Python (FastAPI), including REST API design and integration. Build interactive data visualizations (e.g. … data handling, and full stack integration. Hands-on experience deploying and operating cloud-native applications in GCP, including Cloud Run, Kubernetes, containerisation (Docker), and related tooling. Proven ability to design and deliver data-intensive applications with interactive visualizations. Experience with Git, CI/CD pipelines, automated testing, and agile practices. Excellent communication skills and a collaborative mindset. Nice-to More ❯

interact with complex data and models, while contributing to the growth and technical leadership of the engineering team. Key Responsibilities for Senior Full Stack Software Engineer Angular/Python Design, develop, and maintain responsive and performant Angular components. Develop and optimise backend services in Python (FastAPI), including REST API design and integration. Build interactive data visualizations (e.g. … data handling, and full stack integration. Hands-on experience deploying and operating cloud-native applications in GCP, including Cloud Run, Kubernetes, containerisation (Docker), and related tooling. Proven ability to design and deliver data-intensive applications with interactive visualizations. Experience with Git, CI/CD pipelines, automated testing, and agile practices. Excellent communication skills and a collaborative mindset. Nice-to 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 ❯

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 ❯

experienced engineer who enjoys solving complex problems, writing clean and efficient code, and mentoring others to uphold best practices in software engineering. You will have experience with – Backend Development: Design, develop, and maintain backend services using Node.JS Messaging & Asynchronous Workflows: Build and manage reliable messaging patterns using queues such as RabbitMQ and Pub/Sub patterns. Database Design: Develop efficient and scalable queries and schemas using PostgreSQL. API Design: Develop clean, RESTful APIs and contribute to internal and external API documentation. Containerisation: Aid in building services in containerised environments using Docker. Code Quality: Write testable, maintainable code and contribute to peer reviews, testing, and CI/CD pipelines. Who are we? CLEO Systems is 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 ❯

The team values clean code, automation, and continuous improvement—and they’re looking for someone who shares that mindset. Key responsibilities as the Senior Back-End Software Engineer are: Design and develop backend services using Node.js and TypeScript , deployed in a cloud-native environment. Build and maintain GraphQL and REST APIs to support a range of digital products and … technologies and bring innovative ideas to the team. Skills & Experience needed: Essential: Strong experience with Node.js and TypeScript Proven background in microservices architecture Solid understanding of GraphQL and RESTful API design Experience with SQL and NoSQL databases Familiarity with CI/CD, automated testing, and modern development workflows Desirable: Experience with Azure or other cloud platforms Knowledge of More ❯