51 to 75 of 93 API Design Jobs in England

across engineering, product, security, professional services and customer facing teams Highly advantageous experience includes: regulated environments, multi cloud operations, AI or ML integration, multi region deployments, education sector systems, API first platforms, legacy to modern engineering uplift Responsibilities for Head of Engineering: Lead and develop engineering managers and technical leads, embedding a culture of quality, innovation and customer focus … CTO and wider business teams to ensure delivery aligns with strategic priorities Collaborate with sales, customer experience, professional services and implementation teams to support customer transitions Embed security by design in collaboration with information security and compliance teams Provide architectural direction for SaaS migration, cloud native evolution, microservices, API design and AI engineering methodologies Guide the introduction More ❯

services and APIs using Python (FastAPI preferred). Build and optimise data integration pipelines and internal tooling. Collaborate with C++ engineers to evolve wider system architecture. Contribute to system design, performance improvements, and scalability. Work cross-functionally to deliver clean, secure, and maintainable code. Requirements Strong professional experience with Python. Experience with FastAPI or similar modern frameworks. Background in … data integration, ETL workflows, or service-to-service data flows. Good understanding of Back End architecture, API design, and distributed systems. Exposure to C++ environments is beneficial but not required. SC clearable. Desirable Experience with cloud platforms (AWS/Azure/GCP). Familiarity with CI/CD pipelines, Docker, or Kubernetes. Knowledge of data processing technologies or More ❯

solutions for both public and private sector programmes - and we're looking for an Integration Engineer to join our growing Software & Integration team. As an Integration Engineer, you'll design, build, and document integrations across multiple cloud platforms, enabling seamless data flow between critical systems. You'll collaborate with a diverse team of software engineers, cloud architects, business analysts … and QA specialists to deliver scalable, secure, and maintainable integration solutions that drive real-world impac t. Design, develop, and implement integrations in AWS and Azure , including low-code environments. Hands-on experience with low-code/no-code integration platforms (AWS, Azure, Power Automate, or MuleSoft Composer). Strong understanding of cloud architectures in AWS and/or … Azure. Familiarity with API design , REST/SOAP services , and event-driven architectures . Proven ability to document technical solutions and data flows. Good knowledge of DevOps principles , CI/CD , and version control . Experience integrating systems such as ServiceNow, SAP, Salesforce, or Pega .If you're passionate about Integration - this is a project you'll want More ❯

Solution Architect (Software) £75,000 per annum Remote VIQU have partnered with a leading financial services organisation who are seeking a Solutions Architect to lead the design of a greenfield system due to their on going company growth. This individual must have experience designing high volume transactional systems (payment networks, IoT, banking, energy systems ect.), designing microservices architecture, have … Architect, ideally focusing on high volume transactional systems, and system integrations. Experience with either case management or workflow automation tools. Strong background with cloud microservices architecture. Deep understanding of API design, microservices, and event-driven architectures. Must be able to pivot across varied contexts & multitask effective Excellent stakeholder management and communication skills, with experience of working with C … skills, able to work under pressure and overcome challenges. Experience with Pega case management tools would be a nice to have. Job Duties of the Solution Architect: Lead solution design across core software systems. Work closely with senior (Head of to C-suite) to shape the technical direction of the platform. Produce high-quality documentation that serves both technical More ❯

intelligent, connected life-safety products. This isn't just about writing code, you'll help define the digital backbone of an entirely new product line. What You'll Do Design and develop backend services using Node.js and Go Build modern, responsive UIs with Svelte Develop scalable APIs and cloud-native services that interface with embedded devices in the field … years full-stack development experience Proficiency in Node.js and Golang Experience using C for systems-level tasks Proficiency with modern front-end frameworks (Svelte strongly preferred) Experience with microservices, API design, and cloud hosting platforms Good understanding of SQL or NoSQL databases Strong architectural mindset with ability to influence product design Nice to Have: Bachelor's degree More ❯

record building and maintaining enterprise Laravel applications Solid understanding of AWS services (EC2, Lambda, S3, RDS, CloudWatch, etc.) and how to run Laravel at scale in the cloud Strong API design skills, clean architecture mindset, and a focus on testing and security Someone who can collaborate closely with product and engineering teams, and contribute to architectural decisions Tech More ❯

experiences. Your role is to make that ecosystem work seamlessly on iOS and Android, using React Native with TypeScript. You'll work directly with backend and product engineers to design predictable APIs, shared types, and flows that stay consistent across all delivery layers. You'll care as much about state coherence and background behavior as you do about pixels. … AI endpoints through stable data contracts. Implement authentication, real-time updates, offline handling, and caching consistent with the web app. Collaborate with product and backend teams on schema evolution, API design, and feature rollouts. Ensure strong telemetry, error handling, and performance monitoring (Sentry, RudderStack). Own build, deployment, and OTA release processes for both iOS and Android. Translate … You think in sync; one product across multiple surfaces. You value predictability, not just polish. You treat mobile as part of a living architecture, not an isolated app. You design flows that stay resilient under real usage, not just happy paths. You take ownership of quality from data handling to user experience. AI at Work We actively use AI More ❯

ASAP What we're looking for: 4+ years' experience in software engineering (SaaS or start-up background preferred) Strong proficiency in Python and C#, with hands-on experience in API design and cloud architecture (Azure). Experience with Excel add-ins or Office JavaScript APIs is highly desirable. Exposure to vectorization, RAG (Retrieval-Augmented Generation), or AI-driven … Background or interest in commercial real estate technology. Self-starter with excellent communication skills and the ability to operate autonomously in a dynamic, growing business. What you'll do: Design & Develop: Build and maintain robust back-end services and APIs powering the company's automation suite. Integrate Smartly: Enhance and expand integrations across Microsoft 365 applications (Excel, Word, PowerPoint … . Architect Systems: Help design scalable, secure, and high-performance data infrastructure. Collaborate: Partner closely with the founding team and business stakeholders to translate complex workflows into elegant technical solutions. Lead by Example: Take control of the project, uphold code quality, and drive best practices across the stack. Shape the Future: Contribute to the long-term technical roadmap and More ❯

in the Cloud, and our IoT devices that interface with Mytos hardware to manufacture cells. You'll contribute across a variety of technologies and paradigms, leaning how to research, design, implement, maintain, and evolve product functionality giving users powerful tools to customise and monitor cell growth protocols. Your work will directly impact how quickly and effectively new therapies and … on the nuances of stem cells, to the basics of fluid mechanics. Be given a lot of autonomy, responsibility, and ownership of product problems and the technical solutions you design and deliver to address customer needs. What We're Looking For (depending on experience level) Are early in your software career and want to join an environment that gives … for customers and colleagues. Experience with full-stack web development using TypeScript or other typed languages. Experience with modern frontend frameworks (React preferred). Experience with backend development and API design preferred). Experience working with databases (PostgreSQL and Prisma or similar ORM experience ideal). Our technologies Frontend (Netlify): React, TypeScript, GraphQL, Storybook Backend (AWS & Heroku): NodeJS More ❯

Senior Full Stack or Backend Developerto play a key role in shaping the backend of our next-generation B2C platform. Youll work closely with our front-end team to design and deliverrobust, scalable APIsand infrastructure that power our consumer experience. What Youll Do: Develop and maintain production-grade APIs and backend systems usingNode.js. LeverageAI coding tools (GitHub Copilot, Claude … Optimize databases, authentication, and security for scale. Collaborate with front-end engineers to integrate APIs seamlessly. What Were Looking For: Extensive experience buildinghigh-traffic consumer applications. Strong understanding ofRESTful API design, database optimization, and security. Proven AI-assisted development workflow. Ability to work autonomously within established technical frameworks. Nice to Have:React/Next.js, Azure, Payload CMS, microservices More ❯

JD for a 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 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 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 to the offshore … development team Participating in a Technical Design Authority to assess and quantify the risks associated with design decisions and communicate these to the relevant parties. End-to-end integration design, build, test support and deployment Contribute own expertise to developing integration solutions. Work with the customer daily using Agile methodology. Technical Design Document capturing MuleSoft functional More ❯

MuleSoft Technical Architect Job Type: 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 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 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 technology streams and complex architecture. Communicating the implementation approach and design methodology to the offshore development team Participating in a Technical Design Authority to assess and quantify the risks associated with design decisions and communicate these to the relevant parties. End-to-end integration design, build, test support and deployment Contribute own More ❯

fast to take things to the next level. Youll join as a Senior Backend Engineer , taking ownership of complex Python/Django services that power enterprise decarbonisation. Expect to design elegant APIs, tackle data-heavy challenges, and collaborate closely with sustainability experts and product teams. What makes this special? High-performance engineering team smart, passionate, and collaborative Big mission …/CD, and plenty of greenfield challenges Youll be a great fit if you bring: 7+ years backend experience (Python expertise essential) Strong knowledge of Django (or similar) and API design Experience scaling apps, with an eye for performance and reliability A proactive, problem-solving mindset and love for collaboration Enjoy a collaborative, chic, and modern office environment More ❯

platforms, and large-scale data environments, helping to drive best practice and continuous improvement across the engineering function. Key Responsibilities Lead, mentor, and support a team of Java Developers. Design, build, and maintain APIs for internal and external use. Develop automated test suites and contribute to CI/CD and continuous deployment pipelines. Provide 2nd-line technical support across … a Java Developer, Lead Engineer, or Technical Lead. Proven experience guiding or leading development teams. Deep knowledge of CI/CD systems and automated testing frameworks. Solid expertise in API design, backend services, and system integration. Experience in system administration and configuration management. Strong understanding of scalable architectures and high-traffic environments. Comfortable with unix-like operating systems More ❯

Manchester) Up to £160,000 + 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 multiple teams to deliver best-in-class E-trading platforms Ensure all solutions meet security … compliance, and performance standards What You'll Bring Strong experience in software engineering, architecture, and database design Expert-level Java development, including low-GC and lock-free patterns Proven background in FX trading systems, pricing, and risk management Deep understanding of CPU architecture, cache optimisation, and Linux performance tuning Expertise in networking and messaging (TCP, UDP, Multicast, FIX) Knowledge More ❯

you are allocated a group: Common languages/frameworks (e.g. Go, React, Kotlin, Java etc) Platforms, Tools and/or Databases (e.g. AWS, Docker, PostgreSQL) Test-Driven Development REST API Design Leadership, Communication and Management (in the context of software teams). You'll need to be able to give nuanced answers to difficult questions, give relevant examples More ❯

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 system performance across Windows and Linux 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. More ❯

data-heavy workloads while 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/CD Proven leadership in technical strategy More ❯

and data-heavy workloads while 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/CD Proven leadership in technical strategy More ❯

ready software solutions Deep technical 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-level integration in data center More ❯

Keyresponsibilities: DevelopmentofAPImanagementandmicroservices 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 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 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 to the offshore development team Participating in a Technical Design Authority to assess and … quantify the risks associated with design decisions and communicate these to the relevant parties. End-to-endintegrationdesign,build, testsupportanddeployment Contribute ownexpertiseto developing integration solutions. Work with the customer daily using Agilemethodology. Technical Design Document capturing MuleSoft functional and nonfunctional details utilizingIntegrations design templates; RAML definition for all interfaces. Leads the design and architecture of Integration solutions More ❯

Keyresponsibilities: DevelopmentofAPImanagementandmicroservices 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 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 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 to the offshore development team Participating in a Technical Design Authority to assess and … quantify the risks associated with design decisions and communicate these to the relevant parties. End-to-endintegrationdesign,build, testsupportanddeployment Contribute ownexpertiseto developing integration solutions. Work with the customer daily using Agilemethodology. Technical Design Document capturing MuleSoft functional and nonfunctional details utilizingIntegrations design templates; RAML definition for all interfaces. Leads the design and architecture of Integration solutions More ❯

Developer to help deliver fast, 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 across modern Swift and legacy … latest iOS platform updates? Write 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 and TestFlight Must-Have Skills … Nice to Have A/B testing tools (e.g., Firebase)? StoreKit, in-app purchases, payment integrations? Familiarity with Apple HIG? Experience with performance optimisation and profiling? Exposure to scalable API development Eligo Recruitment is acting as an Employment Business in relation to this vacancy. Eligo is proud to be an equal opportunity employer dedicated to fostering diversity and creating More ❯

testing activities. Key Responsibilities: Lead 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, including generative AI. Essential Skills … modelling. Demonstrated ability to write 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 CV for more information on More ❯

/Nuxt 3, Tailwind and 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 in version control systems (Git, GitHub … What you’ll be doing You’ll be 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 with UX More ❯