1 to 25 of 512 API Design Jobs in London

API Integration Architect Perm I am working with a Retail Banking firm, who are seeking anÂAPI Integration Architect.ÂIn this role, you will be responsible for designing and implementing robust and scalable API integration solutions that seamlessly connect microservices architecture with both internal and external systems. Your contributions will … play a critical role in enabling efficient and secure data exchange, driving digital transformation, and enhancing our overall API ecosystem. Â Key Responsibilities: Collaborate with stakeholders to understand the overall microservices architecture and its integration requirements with various internal and external systems. Ensure seamless coordination between the microservices architecture … and API integration strategies. Design API integration solutions that align with industry best practices, enabling seamless communication between microservices, external APIs, and legacy systems. Define and enforce API standards, governance policies, and security protocols to ensure secure and reliable service integration. Identify integration patterns, technologies, and More ❯

Senior Backend Software Engineer (C# .NET Core) - Revolutionise Healthcare with REST API Design! Are you ready to make a monumental impact in the healthcare industry? We're looking for a Senior/Lead Backend Software Engineer with a strong focus on REST API design to join … Reporting To: Vice President of Software Development Your Mission: Collaborate with a cross-functional team of Frontend Developers, QA Engineers, and DevOps Engineers to design secure, scalable REST API endpoints that will revolutionise clinical research applications. This critical role requires extensive experience in REST API design. You … will also develop relational database schemas and work within a containerized microservice platform. Key Responsibilities: REST API Design & Implementation: Develop and maintain REST APIs using C# and .NET Core SDK. Database Mastery: Design relational database schemas, utilize Entity Framework (ORM), manage database migrations, and work with PostgreSQL. More ❯

are successful. Our company is built on extraordinary people; we aim to attract, inspire, develop and retain them. YLD is a software engineering and design consultancy; we create digital capabilities for our clients that last beyond our engagement. We have offices in London, Lisbon and Porto. About the role … with those around you. Your day-to-day responsibilities will look like this: Architecting, designing, building, and delivering highly-available, always-on, zero downtime API products and solutions; Collaborating with engineers, product owners, and other colleagues to seek exciting and results-oriented problems for delivering value; Writing clear, maintainable … AWS, GCP; An awareness of a variety of cloud architectures; A good understanding of consistency, reliability, scalability of systems without downtime; An understanding of design patterns and API design; Experience in system design, design patterns, API design and implementation of large scale distributed More ❯

drive technical excellence, establish coding standards, and optimise real-time services for a fast-growing platform. You’ll be responsible for backend architecture, microservices design, database management (SQL), and cloud integration (AWS) while collaborating with designers, engineers, and product teams to deliver world-class gaming solutions. Key Responsibilities Develop … Lead – Drive the development of scalable, interactive gaming products using Java (11+), Scala & Spring Boot . Microservices & API Design – Design and implement modular microservices architecture with 3-tier API design . Cloud & DevOps – Work within an AWS environment (supported by an in-house DevOps team … experience (currently using Java 21). SQL Database Proficiency – Strong experience with SQL databases (PostgreSQL preferred). Microservices & Cloud – Deep knowledge of microservices architecture, API design, and AWS . Betting, Gaming, or Big Data Background – Experience in real-time data environments such as betting, finance, stock markets, video More ❯

guide users and streamline complex workflows. Visualize Complex Data: Build and optimize advanced data visualizations like charts, maps, and real-time dashboards. Shape the Design System: Influence and maintain our proprietary design system to deliver consistent, high-performance UIs. Tackle Real Challenges: Solve complex problems involving large datasets … working on production systems. - Proven expertise in building scalable UIs with React and TypeScript. - A track record of collaborating with backend engineers to shape API design and optimize data consumption. - Experience working with design systems, performance optimization, and handling large datasets. - Strong communication skills and a problem … Build and maintain user interfaces for client-facing features, ensuring high-quality and performant UI delivery. - Collaborate with backend engineers and product managers to design, develop, and deliver new features while offering technical input on API design and data handling. - Implement and enhance AI-driven capabilities that More ❯

Lead Software Engineer – UK Remote | £80,000 to £85,000 | Hands-on Leadership in Scalable Systems w/API Design Are you a technical leader ready to guide a high-performing engineering team? Do you enjoy mentoring others while staying close to architecture and system design? Interested … is Great Lead a talented team delivering software that supports the installation, configuration and maintenance of distributed systems at scale Balance hands-on technical design with mentoring and team development Collaborate across product, cloud, QA and systems engineering to deliver robust solutions Contribute to technical strategy, system architecture and … Node.js development, or similar backend technologies Designing and deploying services in a modern cloud environment Working with databases (SQL or NoSQL) and scalable system design Agile delivery and team collaboration Building for maintainability, performance and clear documentation Experience or interest in the following would also be valuable: Managing or More ❯

Lead Software Engineer – UK Remote | £80,000 to £85,000 | Hands-on Leadership in Scalable Systems w/API Design Are you a technical leader ready to guide a high-performing engineering team? Do you enjoy mentoring others while staying close to architecture and system design? Interested … is Great Lead a talented team delivering software that supports the installation, configuration and maintenance of distributed systems at scale Balance hands-on technical design with mentoring and team development Collaborate across product, cloud, QA and systems engineering to deliver robust solutions Contribute to technical strategy, system architecture and … Node.js development, or similar backend technologies Designing and deploying services in a modern cloud environment Working with databases (SQL or NoSQL) and scalable system design Agile delivery and team collaboration Building for maintainability, performance and clear documentation Experience or interest in the following would also be valuable: Managing or More ❯

Lead Software Engineer – UK Remote | £80,000 to £85,000 | Hands-on Leadership in Scalable Systems w/API Design Are you a technical leader ready to guide a high-performing engineering team? Do you enjoy mentoring others while staying close to architecture and system design? Interested … is Great Lead a talented team delivering software that supports the installation, configuration and maintenance of distributed systems at scale Balance hands-on technical design with mentoring and team development Collaborate across product, cloud, QA and systems engineering to deliver robust solutions Contribute to technical strategy, system architecture and … Node.js development, or similar backend technologies Designing and deploying services in a modern cloud environment Working with databases (SQL or NoSQL) and scalable system design Agile delivery and team collaboration Building for maintainability, performance and clear documentation Experience or interest in the following would also be valuable: Managing or More ❯

Lead Software Engineer – UK Remote | £80,000 to £85,000 | Hands-on Leadership in Scalable Systems w/API Design Are you a technical leader ready to guide a high-performing engineering team? Do you enjoy mentoring others while staying close to architecture and system design? Interested … is Great Lead a talented team delivering software that supports the installation, configuration and maintenance of distributed systems at scale Balance hands-on technical design with mentoring and team development Collaborate across product, cloud, QA and systems engineering to deliver robust solutions Contribute to technical strategy, system architecture and … Node.js development, or similar backend technologies Designing and deploying services in a modern cloud environment Working with databases (SQL or NoSQL) and scalable system design Agile delivery and team collaboration Building for maintainability, performance and clear documentation Experience or interest in the following would also be valuable: Managing or More ❯

Lead Software Engineer – UK Remote | £80,000 to £85,000 | Hands-on Leadership in Scalable Systems w/API Design Are you a technical leader ready to guide a high-performing engineering team? Do you enjoy mentoring others while staying close to architecture and system design? Interested … is Great Lead a talented team delivering software that supports the installation, configuration and maintenance of distributed systems at scale Balance hands-on technical design with mentoring and team development Collaborate across product, cloud, QA and systems engineering to deliver robust solutions Contribute to technical strategy, system architecture and … Node.js development, or similar backend technologies Designing and deploying services in a modern cloud environment Working with databases (SQL or NoSQL) and scalable system design Agile delivery and team collaboration Building for maintainability, performance and clear documentation Experience or interest in the following would also be valuable: Managing or More ❯

Lead Software Engineer – UK Remote | £80,000 to £85,000 | Hands-on Leadership in Scalable Systems w/API Design Are you a technical leader ready to guide a high-performing engineering team? Do you enjoy mentoring others while staying close to architecture and system design? Interested … is Great Lead a talented team delivering software that supports the installation, configuration and maintenance of distributed systems at scale Balance hands-on technical design with mentoring and team development Collaborate across product, cloud, QA and systems engineering to deliver robust solutions Contribute to technical strategy, system architecture and … Node.js development, or similar backend technologies Designing and deploying services in a modern cloud environment Working with databases (SQL or NoSQL) and scalable system design Agile delivery and team collaboration Building for maintainability, performance and clear documentation Experience or interest in the following would also be valuable: Managing or More ❯

product success. Core Technical Skills: Expert understanding of Laravel 8.x framework Strong proficiency in PHP 8.3+ Object-Oriented Programming (OOP) principles SOLID principles and design patterns Laravel Ecosystem Knowledge: Laravel Passport, Laravel Horizon, Laravel Dusk, Laravel Pint Database & ORM: MySQL/PostgreSQL, Eloquent ORM, database optimisation, migrations, and seeders … API Development: RESTful API design principles, API authentication and authorisation, JWT implementation, API documentation, API versioning, API testing Third-Party Integrations: Experience with various external services, understanding of webhooks and event handling Testing & Quality Assurance: PHPUnit for unit testing, mocking, and testing strategies More ❯

deliver impactful results for industries such as telecommunications, international government bodies, media, and technology. At Aqovia, we pride ourselves on our ability to architect, design, and develop cutting-edge solutions that drive transformative projects. Our world class team, with decades of experience at leading blue-chip companies, brings unmatched … our own products and/or client projects. As a Technical Business Analyst you will be working on our consulting projects, primarily designing RESTful API services. Here's what you'll do: Capture and curate business requirements and system documentation in JIRA/Confluence as user stories, API design, API enhancements Write estimate-able user stories, in JIRA, for developers including acceptance criteria Design RESTful web APIs for new and existing products in an API first context, in accordance with strategic guidance provided by the technical architect. Collaborate with engineering team members and More ❯

current technology and lead evaluation of new technologies Regularly provide technical guidance and support to product and engineering teams Drive decisions that influence product design, application functionality, and technical operations and processes Influence peers and project decision-makers to follow architectural best practices Add to team culture of diversity … opportunity, inclusion, and respect Required qualifications, capabilities, and skills Formal training or certification on system design concepts and proficient advanced experience delivering systems from design through development, testing, and operational stability Experience in one or more object-oriented or functional programming languages Advanced knowledge of software architecture with … considerable in-depth knowledge in data modelling, API design, scalable data platform design, and experience with semantic modelling to drive data insights and AI/ML Ability to tackle design and functionality problems independently with little to no oversight Ability to evaluate current and emerging technologies More ❯

engaged with the open source community surrounding them potentially, even to the level of contributing pull requests. In this role, you will Lead the design, development, and implementation of scalable APIs that meet the requirements of internal and external stakeholders. Ensure APIs are secure, efficient, and user-friendly, following … industry best practices and standards. Collaborate with cross-functional teams to identify API requirements and provide technical guidance. Integrate APIs with systems and platforms for seamless data exchange and enhanced system functionality. Produces well-engineered software, including appropriate automated test suites, technical documentation, and operational strategy. Diverse problem solver … QMS framework and CI/CD best practices and helps to guide improvements to them that improve ways of working. Stay updated on emerging API technologies, trends, and best practices. Identify areas for improvement in API architecture, performance, and development. Mentor and guide junior engineers, supporting their growth More ❯

engaged with the open source community surrounding them – potentially, even to the level of contributing pull requests. In this role, you will Lead the design, development, and implementation of scalable APIs that meet the requirements of internal and external stakeholders. Ensure APIs are secure, efficient, and user-friendly, following … industry best practices and standards. Collaborate with cross-functional teams to identify API requirements and provide technical guidance. Integrate APIs with systems and platforms for seamless data exchange and enhanced system functionality. Produce well-engineered software, including appropriate automated test suites, technical documentation, and operational strategy. Diverse problem solver … QMS framework and CI/CD best practices and help to guide improvements to them that improve ways of working. Stay updated on emerging API technologies, trends, and best practices. Identify areas for improvement in API architecture, performance, and development. Mentor and guide junior engineers, supporting their growth. More ❯

wider technology architecture. 1. Data & Analytics (D&A) Infrastructure Management: Develop, maintain, and optimize the D&A architecture on AWS and Azure, including the design, deployment, and maintenance of the cloud based Pladis' data platform (PDP). Deliver an architecture that's globally scalable, agile, and supportive of digital … services through Data and Insights as a service via APIs. 2. Data Technology Capability Enhancement: Design and oversee the implementation of the PDP 2.0 Tech stack. Design and oversee data architecture to harmonise external, internal and Microsoft Graph data to deliver AI use cases Champion engineering standards and … trends to keep the company at the technological forefront. Lay down AI architectural standards, best practices, and guidelines for system design. 5. AI Solutions Design and Integration: Design AI solutions that are robust, scalable, and in line with business requirements. Integrate generalized AI models into business processes and More ❯

robust integration solutions that connect our critical trading systems and data flows. This role demands exceptional expertise in Java backend development, middleware technologies, and API design, combined with the ability to build high-performance, scalable, and resilient integration architectures. A good understanding of the commodity trading business is … Framework, Spring Boot, and JVM optimisation techniques for high-performance applications. Integration Architecture : Deep understanding of enterprise integration patterns, microservices architecture, and event-driven design principles. Messaging Systems Knowledge : Advanced knowledge of Kafka architecture, configuration, and optimisation, along with experience in other messaging systems like Tibco Enterprise Message Service. … API Development : Strong capabilities in designing and implementing RESTful APIs and GraphQL services with a focus on security, performance, and usability. Database Management : Proficiency with both relational databases (Oracle, PostgreSQL) and NoSQL solutions (MongoDB, Cassandra), including optimisation of data access patterns. Performance Engineering : Ability to design, implement, and More ❯

are looking for a talented software .NET developer with extensive experience in .NET/C# to join our team. In this role, you’ll design, develop, and maintain our Definely products—from rich WPF-based desktop applications to resilient backend services. This is an opportunity to lead by example … mentor junior team members, and drive the technical excellence that defines our suite of products. Key Responsibilities Application Development Architect, design, and implement rich desktop applications using WPF. Leverage modern UI design principles and patterns (such as MVVM) to ensure clean, maintainable, and scalable code. Build and maintain … robust backend services, APIs, and libraries using .NET/C#. Technical Leadership & Collaboration Participate in design and code reviews to ensure high-quality, maintainable solutions. Collaborate closely with product managers, designers, and other engineers to align on requirements and deliver innovative features. Provide technical mentorship and guidance to less More ❯

AR Engineer (Typescript API) page is loaded AR Engineer (Typescript API) Apply locations London, United Kingdom time type Full time posted on Posted 30+ Days Ago job requisition id R Snap Inc is a technology company. We believe the camera presents the greatest opportunity to improve the way … s possible in AR. You will: Create developer-facing APIs and tools that enable teams to build envelope-pushing experiences on Spectacles Assist with API design, development, and documentation Build automated release processes and infrastructure Knowledge, Skills & Abilities: Strong knowledge in Typescript Strong understanding of API design More ❯

advancements, initially targeting the medical, education, and legal sectors. We specialize in turning innovation into impact. We are seeking an experienced Solution Architect to design and own the solution architecture for our scalable SaaS and custom products . The ideal candidate will align with the product roadmap, purpose, and … strong focus on Microservices Architecture , ensuring that our solutions are scalable, configurable, and cloud-agnostic, with seamless integrations across various systems. Key Responsibilities: Architecture & Design: Microservices Focus : Architect, design, and implement a robust microservices-based solution, enabling agility, scalability, and independent service deployments. Define and own the solution … architecture for the product, ensuring scalability, configurability, and cloud-agnostic capabilities. Develop HLD (High-Level Design) and LLD (Low-Level Design) documents for the product. Create and maintain the deployment architecture , ensuring efficient and resilient deployment strategies. Design the integration architecture , including APIs, microservices, and third-party More ❯

advancements, initially targeting the medical, education, and legal sectors. We specialize in turning innovation into impact. We are seeking an experienced Solution Architect to design and own the solution architecture for our scalable SaaS and custom products . The ideal candidate will align with the product roadmap, purpose, and … strong focus on Microservices Architecture , ensuring that our solutions are scalable, configurable, and cloud-agnostic, with seamless integrations across various systems. Key Responsibilities: Architecture & Design: Microservices Focus : Architect, design, and implement a robust microservices-based solution, enabling agility, scalability, and independent service deployments. Define and own the solution … architecture for the product, ensuring scalability, configurability, and cloud-agnostic capabilities. Develop HLD (High-Level Design) and LLD (Low-Level Design) documents for the product. Create and maintain the deployment architecture , ensuring efficient and resilient deployment strategies. Design the integration architecture , including APIs, microservices, and third-party More ❯

advancements, initially targeting the medical, education, and legal sectors. We specialize in turning innovation into impact. We are seeking an experienced Solution Architect to design and own the solution architecture for our scalable SaaS and custom products . The ideal candidate will align with the product roadmap, purpose, and … strong focus on Microservices Architecture , ensuring that our solutions are scalable, configurable, and cloud-agnostic, with seamless integrations across various systems. Key Responsibilities: Architecture & Design: Microservices Focus : Architect, design, and implement a robust microservices-based solution, enabling agility, scalability, and independent service deployments. Define and own the solution … architecture for the product, ensuring scalability, configurability, and cloud-agnostic capabilities. Develop HLD (High-Level Design) and LLD (Low-Level Design) documents for the product. Create and maintain the deployment architecture , ensuring efficient and resilient deployment strategies. Design the integration architecture , including APIs, microservices, and third-party More ❯

advancements, initially targeting the medical, education, and legal sectors. We specialize in turning innovation into impact. We are seeking an experienced Solution Architect to design and own the solution architecture for our scalable SaaS and custom products . The ideal candidate will align with the product roadmap, purpose, and … strong focus on Microservices Architecture , ensuring that our solutions are scalable, configurable, and cloud-agnostic, with seamless integrations across various systems. Key Responsibilities: Architecture & Design: Microservices Focus : Architect, design, and implement a robust microservices-based solution, enabling agility, scalability, and independent service deployments. Define and own the solution … architecture for the product, ensuring scalability, configurability, and cloud-agnostic capabilities. Develop HLD (High-Level Design) and LLD (Low-Level Design) documents for the product. Create and maintain the deployment architecture , ensuring efficient and resilient deployment strategies. Design the integration architecture , including APIs, microservices, and third-party More ❯

advancements, initially targeting the medical, education, and legal sectors. We specialize in turning innovation into impact. We are seeking an experienced Solution Architect to design and own the solution architecture for our scalable SaaS and custom products . The ideal candidate will align with the product roadmap, purpose, and … strong focus on Microservices Architecture , ensuring that our solutions are scalable, configurable, and cloud-agnostic, with seamless integrations across various systems. Key Responsibilities: Architecture & Design: Microservices Focus : Architect, design, and implement a robust microservices-based solution, enabling agility, scalability, and independent service deployments. Define and own the solution … architecture for the product, ensuring scalability, configurability, and cloud-agnostic capabilities. Develop HLD (High-Level Design) and LLD (Low-Level Design) documents for the product. Create and maintain the deployment architecture , ensuring efficient and resilient deployment strategies. Design the integration architecture , including APIs, microservices, and third-party More ❯