51 to 75 of 84 API Design Jobs in England

MuleSoft Architect Key responsibilities: Development of API management and microservices Working as the Integration Technology Architect on the adoption of Hybrid Integration or an iPaaS solutions with a particular focus on the Mulesoft Anypoint platform that includes API Designer, AP manager, and API studio Defining and delivering … Integration Technology aspects of the projects, including timely production of architectural designs and documentation Being a key contributor and advocate of Microservice, API Management, process automations, frameworks in projects and programs Working with Capgemini teams in Switzerland, Europe, and on the global level, on large programs that include multiple

Contract Day Rate: £400 per day (inside IR35) Duration: 6 months Work Location: Telford, 2 x per week MuleSoft Architect Key responsibilities: Development of API management and microservices Working as the Integration Technology Architect on the adoption of Hybrid Integration or an iPaaS solutions with a particular focus … Mulesoft Anypoint platform that includes API Designer, AP manager, and API studio Defining and delivering the Integration Technology aspects of the projects, including timely production of architectural designs and documentation Being a key contributor and advocate of Microservice, API Management, process automations, frameworks in projects and programs

+ benefits/Bonus Join a leading financial technology and trading organisation driving innovation in electronic markets. As an eFX Software Engineer, you'll design and deliver high-performance, low-latency trading solutions that underpin mission-critical systems. This role offers the chance to work on cutting-edge technology … where speed, scalability, and resilience are key. About the Role Lead the design and development of secure, high-performance eFX systems Define and evolve Java patterns and techniques optimised for ultra-low latency (<40s) Architect fault-tolerant, scalable trading systems Influence technical strategy, architecture, and product roadmaps Collaborate with

customers. Small team. Big impact. Real engineering challenges. The role You’ll work across the backend platform powering key customer-facing experiences. You will: Design and build scalable backend services in Node.js + TypeScript Own systems end-to-end (architecture → deployment → monitoring) Develop APIs and platform components used across … multiple products Solve performance, reliability and observability challenges Ship iteratively with product + design Improve engineering quality and share knowledge If you enjoy autonomy and seeing your work hit production quickly, you’ll love this environment. What you’ll bring 5+ years of backend engineering experience Strong with Node.js

Brief: Own the C++ microservice layer powering imaging, AI, and database capabilities for a new Windows-first (Linux-capable) platform. Responsibilities Design and implement performant C++ microservices for imaging, visualization, and AI workflows. Build APIs and integrate services with the front-end (React/Node/TypeScript). Optimise … environments. Requirements Expert-level C++ with experience building microservices or high-performance systems. Background in imaging, computer vision, or AI integration. Familiarity with databases, API design, and cross-platform development.

product strategy. Requirements: Strong foundations in algorithms, data structures, and distributed systems Experience building and operating large-scale backend systems Expertise in system and API design, scalability, and performance tuning Proficiency in a modern backend language (Java preferred) Knowledge of cloud-native architectures, containers, and CI/

influencing product strategy.Requirements: Strong foundations in algorithms, data structures, and distributed systems Experience building and operating large-scale backend systems Expertise in system and API design, scalability, and performance tuning Proficiency in a modern backend language (Java preferred) Knowledge of cloud-native architectures, containers, and CI/

expertise across the software stack including firmware/embedded systems, device drivers, OS-level programming (Linux, RTOS), hardware abstraction layers, system software, SDK development, API design, application software, and software tools/utilities Experience with high-speed interface technologies (PCIe, CXL, NVMe, Ethernet, or similar protocols) and system

Integration Technology Architect on the adoption of Hybrid Integration or an iPaaS solutions with a particular focus on the Mulesoft Anypoint platform that includes API Designer, AP manager, and API studio Defining and delivering the Integration Technology aspects of the projects, including timely production of architectural designs … documentation Being a key contributor and advocate of Microservice, API Management, process automations, frameworks in projects and programs Working with Capgemini teams in Switzerland, Europe, and on the global level, on large programs that include multiple technology streams and complex architecture. Communicating the implementation approach and design methodology

Integration Technology Architect on the adoption of Hybrid Integration or an iPaaS solutions with a particular focus on the Mulesoft Anypoint platform that includes API Designer, AP manager, and API studio Defining and delivering the Integration Technology aspects of the projects, including timely production of architectural designs … documentation Being a key contributor and advocate of Microservice, API Management, process automations, frameworks in projects and programs Working with Capgemini teams in Switzerland, Europe, and on the global level, on large programs that include multiple technology streams and complex architecture. Communicating the implementation approach and design methodology

intuitive, and reliable app experiences that drive conversion, engagement, and customer loyalty. Role Overview As a Senior iOS Developer, you’ll collaborate with product, design, and engineering teams to build new features, optimise performance, and ensure our apps stay ahead of Apple’s latest platform updates. You’ll work … clean, testable, maintainable Swift and Objective-C code? Refactor legacy components to improve performance and stability? Debug and enhance existing functionality? Contribute to scalable API design? Set up and run A/B tests to validate UX and product decisions? Manage the full release cycle via App Store

requirements analysis and documentation for complex digital projects. Write clear, detailed user stories for development and test teams. Specify and model data requirements, including API documentation. Facilitate workshops with stakeholders to capture business needs. Collaborate with Agile teams to ensure alignment with delivery goals. Maintain awareness of emerging technologies … user stories for large development teams. Experience working in high-performing Agile or Scrum environments. Desirable Skills: Knowledge of digital transformation programmes. Familiarity with API design and documentation. Awareness of generative AI concepts. Professional certifications (e.g., BCS, IIBA) desirable but not mandatory. Please submit a copy of your

Laravel. Expertise in Typescript and frontend testing frameworks (Cypress, Vite). Comfortable working across the stack, but love creating smooth, user-friendly interfaces. RESTful API design and can build performant endpoints. Ability to thrive in a fast-paced, startup environment where your work has visible impact. Proficiency … part of a team of 6-7 developers maintaining and enhancing existing software products using Vue/Nuxt.js and RESTful Laravel API’s. As Full-Stack Engineer with a definite front-end lean, you will be writing performant, testable and maintainable code. They will look for you to collaborate

internal ecosystem, and thrive in a dynamic, collaborative startup environment. Location: Remote Why this role is remarkable: Work directly with founders, product, and design to build and iterate on cutting-edge features for a fast-growing AI startup. Play a pivotal role throughout the entire feature lifecycle, from initial … Frontend development, with sustained experience in frameworks like React, Vue.js, or Angular. Demonstrates a solid understanding of version control (Git) and knowledge of RESTful API design and implementation. Exhibits strong problem-solving skills and adaptability, thriving in a fast-paced startup environment with excellent communication. How to Apply

designing high-performance architectures and distributed systems Strong grasp of FX pricing, risk, and trading workflows Solid engineering fundamentals: testing, CI/CD, API design, automation Why join? Work on mission-critical systems powering global trading Highly technical culture with genuine ownership and impact Flexibility in working hours

effective data models and supporting documentation. Write and maintain user stories for large development and testing teams. Define and document data requirements and API specifications . Collaborate closely with cross-functional teams in an Agile/Scrum environment to ensure successful delivery. Essential Skills & Experience Strong core business analysis … capabilities, including requirements definition and stakeholder management. Demonstrated experience in data modelling , API documentation , and digital service delivery . Proven success working within Agile/Scrum frameworks and contributing to high-performing agile teams . Proficiency with Jira and other agile delivery tools. Prior experience working within the public

stack senior software engineer to the team. Key Skills: Proficiency with TypeScript, JavaScript, and Node.js Experience with frameworks such as React and NextJS, and API Design Experience in leadership or management React Native/Expo experience, or familiarity with connected TV or mobile platforms

data ecosystem Understanding of Jupyter notebooks Exposure to machine learning libraries like PyTorch, XGBoost and JAX Understanding of crypto or traditional financial markets Strong API design and documentation skills What do you get in return? Up to 250k base (depending on experience) 3 days in their new central

data ecosystem Understanding of Jupyter notebooks Exposure to machine learning libraries like PyTorch, XGBoost and JAX Understanding of crypto or traditional financial markets Strong API design and documentation skills What do you get in return? Up to £250k base (depending on experience) 3 days in their new central

Protocol (MCP) to enhance how services interact with AI models and automate integration flows. You'll lead through hands-on engineering - writing code, guiding design, and mentoring others - while shaping the evolution of MSCI's secure, intelligent, and scalable platform ecosystem. Join us to build the foundation for MSCI … global platforms. We're seeking a Senior Technical Lead who combines deep engineering expertise with architectural vision to help drive this transformation. You'll design and deliver microservices and APIs that power next-generation platform capabilities - including AI-assisted workflows, automated integration patterns, and model interaction layers built with

Experience 6+ years of experience in backend systems, with 1–3 years in engineering management or strong technical leadership roles Proven ability to design, build, and scale platform systems, owning complex projects from architecture to production Strong experience with cloud-based distributed systems, including architectural decision-making, deployment strategies … operational excellence Advanced backend development skills with an emphasis on API design, scalability, observability, and monitoring Experience mentoring engineers and promoting high technical standards within fast-growing teams Excellent communication skills with the ability to collaborate across engineering, product, and cross-functional groups Interest in, or exposure

Solution Architect - Client-facing TypeScript API Design Hybrid (2 Days Onsite in Central London) £105,000-£110,000 + 15% Discretionary Bonus Method Resourcing is thrilled to be partnering with a global leader in the travel industry who are hiring a Client-facing Solution Architect to join

computer vision, machine learning and graphics to write software for SnapOS, the operating system for Spectacles Knowledge, Skills & Abilities: Strong knowledge of C++ and API design Experience with leading an engineering team working on large, complex technical initiatives Ability to collaborate with internal stakeholders at all levels

Solutions Architect (Integration API Design) St Albans (Hybrid) Compensation: £95,000 +Bonus +Equity Method Resourcing are proud to be partnering with a fast-growing, international technology business delivering critical services across multiple high-reliability sectors. They're seeking a Solutions Architect to lead the end-to-end technical … design of mission-critical platforms and services click apply for full job details

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