301 to 325 of 363 API Design Jobs in England

South London Inside IR35 £600-650 per day We are looking for an experienced Technical Architect with a strong background in application and API architecture to support a major programme within a secure environment. This role requires proven experience across large-scale delivery, multi-cloud technologies, and senior stakeholder … engagement. Key Requirements Active SC Clearance (mandatory) Strong experience in application architecture and API design/integration Commercial experience in an AWS environment , with exposure to Azure components Background working on large, complex projects Experience supporting or leading procurement activities Strong communication and presentation skills Proven track record ...

commercial software development experience. Proven success in high-performing engineering teams within fast-paced environments. Deep expertise in: Python (Django, Flask, or FastAPI) PostgreSQL (design, optimisation, maintenance) Containerisation (Docker/Kubernetes) Event-driven architecture (Kafka/RabbitMQ) Desirable experience includes: TypeScript/JavaScript (NextJS, NodeJS, Tailwind) Terraform and DevOps … practices Experience in building and scaling SaaS platforms in production. Strong background in software architecture, microservices, and API design. Hands-on experience with AWS platform. Excellent communication skills, capable of motivating and aligning technical teams. Experience with AI tools, APIs, or ML pipelines is highly desirable. Bonus: Exposure ...

paid position suitable for both experienced professionals and recent graduates eager to develop their careers in software engineering. Key Responsibilities Lead the design, deployment, and development of web-based and microservice applications using Angular, TypeScript, and .NET Core. Architect and implement CI/CD pipelines using Azure DevOps. Conduct … PHP. Experience with frameworks such as React, Angular, Node.js, Django, or .NET. Understanding of databases such as MySQL, PostgreSQL, or MongoDB. Familiarity with RESTful API design. Experience with Git version control. Understanding of software testing methodologies and CI/CD pipelines. Excellent problem-solving and analytical skills. Strong attention ...

international organisation in the aviation sector is seeking a Principal Engineer to lead the design and delivery of enterprise-scale engineering solutions supporting AI-driven platforms. This is a senior, hands-on role embedded within a major airline environment, with responsibility for setting technical direction and ensuring solutions scale … role requires consultancy-level technical depth, strong delivery discipline, and the ability to translate complex operational needs into scalable, enterprise-ready solutions. Key Responsibilities Design and own architecture across all layers of the technology stack. Write production-grade code and deliver enterprise-ready solutions at pace. Engineer scalable, modular ...

international organisation in the aviation sector is seeking a Principal Engineer to lead the design and delivery of enterprise-scale engineering solutions supporting AI-driven platforms. This is a senior, hands-on role embedded within a major airline environment, with responsibility for setting technical direction and ensuring solutions scale … role requires consultancy-level technical depth, strong delivery discipline, and the ability to translate complex operational needs into scalable, enterprise-ready solutions. Key Responsibilities Design and own architecture across all layers of the technology stack. Write production-grade code and deliver enterprise-ready solutions at pace. Engineer scalable, modular ...

share code with iOS. You’ll be joining a collaborative engineering group working on major new features, shaping technical discussions, influencing architecture and API design, and helping to evolve a category-defining product used across the UK, US and several new international markets launching in 2026. What they ...

share code with iOS. You’ll be joining a collaborative engineering group working on major new features, shaping technical discussions, influencing architecture and API design, and helping to evolve a category-defining product used across the UK, US and several new international markets launching in 2026. What they ...

Tooling Expertise: Use Prometheus, Grafana, and Dynatrace for data collection, visualisation, and deep-dive analysis. •Proficiency in Prometheus, Grafana, and Dynatrace. •Strong knowledge of API design, data modelling, and pipelines. •Experience with automation, monitoring platforms, and scripting languages (e.g., Python, PowerShell, Bash, Terraform and Ansible) to enhance operational ...

build complex compliance workflows with clarity on user needs, regulatory constraints, technical architecture, and acceptance criteria Technical fluency: Comfortable working with engineers on API design, data models, system integrations, and understanding AI/ML capabilities and limitations Regulatory knowledge: Strong understanding of AML/KYC regulations (UK/… single source of truth for engineering teams Define user workflows, acceptance criteria, edge cases, error handling, and regulatory compliance requirements Specify data models, API requirements, integration points, and system dependencies Document security, audit, and explainability requirements for AI-powered features Work with design to create wireframes, user flows ...

build complex compliance workflows with clarity on user needs, regulatory constraints, technical architecture, and acceptance criteria Technical fluency: Comfortable working with engineers on API design, data models, system integrations, and understanding AI/ML capabilities and limitations Regulatory knowledge: Strong understanding of AML/KYC regulations (UK/… single source of truth for engineering teams Define user workflows, acceptance criteria, edge cases, error handling, and regulatory compliance requirements Specify data models, API requirements, integration points, and system dependencies Document security, audit, and explainability requirements for AI-powered features Work with design to create wireframes, user flows ...

leading global investment management firm in London. Paying up to 120k plus bonus per annum, you will contribute to the development, optimisation, and design of front-office applications, collaborating with portfolio managers and product owners to create innovative and high-performance solutions. As a Senior Full Stack Software Engineer …/UX. Proven backend expertise, particularly with Java (Python, Node.js a plus), and experience building distributed microservices-based architectures. Strong knowledge of system design principles, scalable architecture patterns, and API design. Hands-on experience with relational (Postgres, MySQL) and NoSQL (DynamoDB) databases. Proficiency in cloud platforms (AWS, Azure ...

specification documents. Converting client business objectives into clear, actionable technical specifications and producing technical scope Leading client calls and the development team through discovery, design, development, and launch process Digital Silk is built upon the principles of self-betterment, excellence, proactivity, and teamwork. If you share our passion … estimates, and specification documents, ensuring accuracy, feasibility, and alignment with performance, security, accessibility, and SEO best practices. Lead clients and internal teams through discovery, design, development, and launch, providing technical clarity and direction at every stage. Support the Sales team during all pre-sales activities, offering technical credibility, feasibility ...

specification documents. Converting client business objectives into clear, actionable technical specifications and producing technical scope Leading client calls and the development team through discovery, design, development, and launch process Digital Silk is built upon the principles of self-betterment, excellence, proactivity, and teamwork. If you share our passion … estimates, and specification documents, ensuring accuracy, feasibility, and alignment with performance, security, accessibility, and SEO best practices. Lead clients and internal teams through discovery, design, development, and launch, providing technical clarity and direction at every stage. Support the Sales team during all pre-sales activities, offering technical credibility, feasibility ...

specification documents. Converting client business objectives into clear, actionable technical specifications and producing technical scope Leading client calls and the development team through discovery, design, development, and launch process Digital Silk is built upon the principles of self-betterment, excellence, proactivity, and teamwork. If you share our passion … estimates, and specification documents, ensuring accuracy, feasibility, and alignment with performance, security, accessibility, and SEO best practices. Lead clients and internal teams through discovery, design, development, and launch, providing technical clarity and direction at every stage. Support the Sales team during all pre-sales activities, offering technical credibility, feasibility ...

specification documents. Converting client business objectives into clear, actionable technical specifications and producing technical scope Leading client calls and the development team through discovery, design, development, and launch process Digital Silk is built upon the principles of self-betterment, excellence, proactivity, and teamwork. If you share our passion … estimates, and specification documents, ensuring accuracy, feasibility, and alignment with performance, security, accessibility, and SEO best practices. Lead clients and internal teams through discovery, design, development, and launch, providing technical clarity and direction at every stage. Support the Sales team during all pre-sales activities, offering technical credibility, feasibility ...

specification documents. Converting client business objectives into clear, actionable technical specifications and producing technical scope Leading client calls and the development team through discovery, design, development, and launch process Digital Silk is built upon the principles of self-betterment, excellence, proactivity, and teamwork. If you share our passion … estimates, and specification documents, ensuring accuracy, feasibility, and alignment with performance, security, accessibility, and SEO best practices. Lead clients and internal teams through discovery, design, development, and launch, providing technical clarity and direction at every stage. Support the Sales team during all pre-sales activities, offering technical credibility, feasibility ...

specification documents. Converting client business objectives into clear, actionable technical specifications and producing technical scope Leading client calls and the development team through discovery, design, development, and launch process Digital Silk is built upon the principles of self-betterment, excellence, proactivity, and teamwork. If you share our passion … estimates, and specification documents, ensuring accuracy, feasibility, and alignment with performance, security, accessibility, and SEO best practices. Lead clients and internal teams through discovery, design, development, and launch, providing technical clarity and direction at every stage. Support the Sales team during all pre-sales activities, offering technical credibility, feasibility ...

specification documents. Converting client business objectives into clear, actionable technical specifications and producing technical scope Leading client calls and the development team through discovery, design, development, and launch process Digital Silk is built upon the principles of self-betterment, excellence, proactivity, and teamwork. If you share our passion … estimates, and specification documents, ensuring accuracy, feasibility, and alignment with performance, security, accessibility, and SEO best practices. Lead clients and internal teams through discovery, design, development, and launch, providing technical clarity and direction at every stage. Support the Sales team during all pre-sales activities, offering technical credibility, feasibility ...

specification documents. Converting client business objectives into clear, actionable technical specifications and producing technical scope Leading client calls and the development team through discovery, design, development, and launch process Digital Silk is built upon the principles of self-betterment, excellence, proactivity, and teamwork. If you share our passion … estimates, and specification documents, ensuring accuracy, feasibility, and alignment with performance, security, accessibility, and SEO best practices. Lead clients and internal teams through discovery, design, development, and launch, providing technical clarity and direction at every stage. Support the Sales team during all pre-sales activities, offering technical credibility, feasibility ...

specification documents. Converting client business objectives into clear, actionable technical specifications and producing technical scope Leading client calls and the development team through discovery, design, development, and launch process Digital Silk is built upon the principles of self-betterment, excellence, proactivity, and teamwork. If you share our passion … estimates, and specification documents, ensuring accuracy, feasibility, and alignment with performance, security, accessibility, and SEO best practices. Lead clients and internal teams through discovery, design, development, and launch, providing technical clarity and direction at every stage. Support the Sales team during all pre-sales activities, offering technical credibility, feasibility ...

specification documents. Converting client business objectives into clear, actionable technical specifications and producing technical scope Leading client calls and the development team through discovery, design, development, and launch process Digital Silk is built upon the principles of self-betterment, excellence, proactivity, and teamwork. If you share our passion … estimates, and specification documents, ensuring accuracy, feasibility, and alignment with performance, security, accessibility, and SEO best practices. Lead clients and internal teams through discovery, design, development, and launch, providing technical clarity and direction at every stage. Support the Sales team during all pre-sales activities, offering technical credibility, feasibility ...

specification documents. Converting client business objectives into clear, actionable technical specifications and producing technical scope Leading client calls and the development team through discovery, design, development, and launch process Digital Silk is built upon the principles of self-betterment, excellence, proactivity, and teamwork. If you share our passion … estimates, and specification documents, ensuring accuracy, feasibility, and alignment with performance, security, accessibility, and SEO best practices. Lead clients and internal teams through discovery, design, development, and launch, providing technical clarity and direction at every stage. Support the Sales team during all pre-sales activities, offering technical credibility, feasibility ...

specification documents. Converting client business objectives into clear, actionable technical specifications and producing technical scope Leading client calls and the development team through discovery, design, development, and launch process Digital Silk is built upon the principles of self-betterment, excellence, proactivity, and teamwork. If you share our passion … estimates, and specification documents, ensuring accuracy, feasibility, and alignment with performance, security, accessibility, and SEO best practices. Lead clients and internal teams through discovery, design, development, and launch, providing technical clarity and direction at every stage. Support the Sales team during all pre-sales activities, offering technical credibility, feasibility ...

specification documents. Converting client business objectives into clear, actionable technical specifications and producing technical scope Leading client calls and the development team through discovery, design, development, and launch process Digital Silk is built upon the principles of self-betterment, excellence, proactivity, and teamwork. If you share our passion … estimates, and specification documents, ensuring accuracy, feasibility, and alignment with performance, security, accessibility, and SEO best practices. Lead clients and internal teams through discovery, design, development, and launch, providing technical clarity and direction at every stage. Support the Sales team during all pre-sales activities, offering technical credibility, feasibility ...

specification documents. Converting client business objectives into clear, actionable technical specifications and producing technical scope Leading client calls and the development team through discovery, design, development, and launch process Digital Silk is built upon the principles of self-betterment, excellence, proactivity, and teamwork. If you share our passion … estimates, and specification documents, ensuring accuracy, feasibility, and alignment with performance, security, accessibility, and SEO best practices. Lead clients and internal teams through discovery, design, development, and launch, providing technical clarity and direction at every stage. Support the Sales team during all pre-sales activities, offering technical credibility, feasibility ...