1 to 25 of 56 DemandTrendPermanent API Design Jobs in England

Job Title: API Technical Lead Location: London (Hybrid) Job Description: We are seeking an experienced API Technical Lead to design, develop, and manage API solutions leveraging Kong API Gateway, IBM DataPower, and IBM Cloud Pak. This role requires a deep understanding of API management, security, and cloud-native architectures. The ideal candidate will have … expertise in designing scalable, secure, and high-performing API ecosystems for enterprise applications. Key Responsibilities: Lead the architecture, design, and implementation of API solutions using Kong API Gateway, IBM DataPower, and CloudPak. Define API standards, best practices, governance, and security models for API development and management. Collaborate with cross-functional teams to integrate APIs … with various backend services and external platforms. Ensure APIs are optimized for performance, scalability, and security. Implement API authentication, authorization, and security protocols (OAuth, JWT, Mutual TLS, etc.). Monitor API performance and troubleshoot issues using observability tools. Design and implement API versioning, rate limiting, and throttling policies. Provide mentorship to developers and drive API More ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

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 ❯

have the opportunity to work across a modern engineering environment, collaborate with agile product teams, and contribute to a high-traffic platform used by millions of customers. Key Responsibilities: Design, build, and maintain scalable, high-performance services using Kotlin or Java Provide technical leadership and mentoring to other engineers in the team Contribute to solution architecture and strategic technical … Skills & Experience 5+ years of back-end development experience using Kotlin or modern Java Expertise in microservice architectures and frameworks like Spring Boot or http4k Deep understanding of RESTful API design and integration Proven experience mentoring engineers and contributing to high-performing teams Familiarity with Agile (Scrum or Kanban), TDD, and pair programming practices Experience with CI/ More ❯

have the opportunity to work across a modern engineering environment, collaborate with agile product teams, and contribute to a high-traffic platform used by millions of customers. Key Responsibilities: Design, build, and maintain scalable, high-performance services using Kotlin or Java Provide technical leadership and mentoring to other engineers in the team Contribute to solution architecture and strategic technical … Skills & Experience 5+ years of back-end development experience using Kotlin or modern Java Expertise in microservice architectures and frameworks like Spring Boot or http4k Deep understanding of RESTful API design and integration Proven experience mentoring engineers and contributing to high-performing teams Familiarity with Agile (Scrum or Kanban), TDD, and pair programming practices Experience with CI/ More ❯

have the opportunity to work across a modern engineering environment, collaborate with agile product teams, and contribute to a high-traffic platform used by millions of customers. Key Responsibilities: Design, build, and maintain scalable, high-performance services using Kotlin or Java Provide technical leadership and mentoring to other engineers in the team Contribute to solution architecture and strategic technical … Skills & Experience 5+ years of back-end development experience using Kotlin or modern Java Expertise in microservice architectures and frameworks like Spring Boot or http4k Deep understanding of RESTful API design and integration Proven experience mentoring engineers and contributing to high-performing teams Familiarity with Agile (Scrum or Kanban), TDD, and pair programming practices Experience with CI/ More ❯

hybrid Neuro-Symbolic AI model. You will be part of a fast-moving agile team that ships production code regularly and values engineering excellence and continuous learning. You will: Design, develop, and maintain scalable features for the platform Work across our frontend (React) and backend (Node.js, Go) codebases while exercising autonomy in technical decision-making and task prioritisation Contribute … to DevOps practices, improving CI/CD pipelines and IaC deployment processes Collaborate with product and design functions to deliver intuitive user experiences Participate in code reviews and architecture discussions to uphold engineering best practices Help troubleshoot platform issues and assist in resolving infrastructure incidents Continuously seek ways to improve system performance, stability, and security Support internal innovation, including … agile environments Ability to work independently and take ownership of tasks from start to finish Preferred Experience 3+ years of professional software engineering experience Familiarity with GraphQL, gRPC, REST API design Experience with relational databases such as MySQL or PostgreSQL Exposure to AI, LLM integrations, or symbolic/neural hybrid systems Background in enterprise SaaS delivery or platform More ❯

on role at a market leading software house that's remote access product is used by hundreds of millions of users worldwide. As a Senior Java Developer you will design and develop new features and enhancements to the cloud based core remote access product as well as maintaining existing systems. You will be working with a modern microservices, Java … the time, meeting up with colleagues in the Cambridge office once a month. About You: You have strong Java development experience within a microservices environment You have experience with API design and development You're happy to collaborate in an Agile environment with TDD, code reviews and Pair Programming You have a strong knowledge of Computer Science fundamentals … such as OOP, Design Patterns, Data Structures You have a good understanding of networking technologies, protocols e.g. TCP/IP, UDP, multicast and/or security principles You have an appreciation of security and ideally have worked in an ISO 27001 accredited environment Ideally you will also have some experience with Golang and/or Python, Ansible and Event More ❯

on role at a market leading software house that's remote access product is used by hundreds of millions of users worldwide. As a Senior Java Developer you will design and develop new features and enhancements to the cloud based core remote access product as well as maintaining existing systems. You will be working with a modern microservices, Java … the time, meeting up with colleagues in the Cambridge office once a month. About You: You have strong Java development experience within a microservices environment You have experience with API design and development You're happy to collaborate in an Agile environment with TDD, code reviews and Pair Programming You have a strong knowledge of Computer Science fundamentals … such as OOP, Design Patterns, Data Structures You have a good understanding of networking technologies, protocols e.g. TCP/IP, UDP, multicast and/or security principles You have an appreciation of security and ideally have worked in an ISO 27001 accredited environment Ideally you will also have some experience with Golang and/or Python, Ansible and Event More ❯