51 to 75 of 93 API Design Jobs in England

largest corporations. Skills and Experience: Mid-Level: 3-6 years of experience in software development Stack: C#, .Net Core, ASP.net Microsoft SQL, Entity Framework JavaScript, CSS, JSON, XML, etc API Design & Best Practice (REST, SOAP) Excellent understanding of Object-Oriented software design Agile/SCRUM Azure DevOps Server Follow best practices to build maintainable, scalable web applications More ❯

be eligible for UK SC clearance ** Brief I'm looking for a skilled Integration Engineer to join our software and integration team on a 3-month contract. You'll design build, and document integrations across AWS and Azure platforms ensuring seamless data flow between systems. This is a hands-on role where you'll work closely with software engineers … business analysts, architects, and QA teams to deliver secure, scalable, and maintainable integration solutions. Key Responsibilities Design, develop, and implement integrations across AWS and Azure including low-code/no-code solutions Collab with business analysts and architects to translate requirements into technical designs Configure and maintain API-based , event-driven , and batch integrations between SaaS and on … low-code/no-code integration tools (Power Automate, Azure Logic Apps, AWS AppFlow, MuleSoft Composer) Strong understanding of cloud services and architectures in AWS/Azure Familiarity with API design and management , REST/SOAP , and event-driven architectures Hands-on experience with Python, JavaScript, or ETL/data transformati on tools Knowledge of SaaS platforms such More ❯

can be themselves - and speak up. Check out our Glassdoor page for the latest reviews or our LinkedIn for company updates and insights from the team. Our engineering Our API design concepts. Our product and engineering department is split into four tribes: Custody; Accounts; Customer Enablement; and Cloud. Each tribe is comprised of multiple teams, each owning a … a squad engineering manager, a product manager and 3-5 engineers with tailored skillsets to the specific domain. Our current technology stack is AWS serverless products (Lambda, SQS, EventBridge, API Gateway, S3) running Typescript (and Node.js) on the compute layer and backed by MongoDB for the database layer. We have some C# services and are expanding out into other … for our incident management process. For more detailed information, feel free to ask for our tech radar and engineering practices. The role The purpose of this role is to design, build and operate reliable and scalable software solutions, building new functionality using Typescript and Node.js. You play a key role in our software development and have a hands on More ❯

can be themselves - and speak up. Check out our Glassdoor page for the latest reviews or our LinkedIn for company updates and insights from the team. Our engineering Our API design concepts. Our product and engineering department is split into four tribes: Custody; Accounts; Customer Enablement; and Cloud. Each tribe is comprised of multiple teams, each owning a … a squad engineering manager, a product manager and 3-5 engineers with tailored skillsets to the specific domain. Our current technology stack is AWS serverless products (Lambda, SQS, EventBridge, API Gateway, S3) running Typescript (and Node.js) on the compute layer and backed by MongoDB for the database layer. We have some C# services and are expanding out into other … for our incident management process. For more detailed information, feel free to ask for our tech radar and engineering practices. The role The purpose of this role is to design, build and operate reliable and scalable software solutions, building new functionality using Typescript and Node.js. You play a key role in our software development and have a hands on More ❯

experience with server-side technologies such as Scala, Java, , or Python, and expertise in building and consuming RESTful APIs. Full-Stack Integration : Experience bridging frontend and backend systems, including API design, data flow optimisation, and end-to-end feature development. Strong foundation in unit testing, clean code practices, SOLID principles, and software design patterns. Proficiency with relational More ❯

backend expertise with Kotlin and Spring Boot (ESSENTIAL) Skilled in designing and maintaining microservices architectures . Confident working with SQL databases (PostgreSQL, MySQL or equivalent). Understanding of RESTful API design and third-party integrations. Experience with testing frameworks , debugging, and performance optimisation. Familiarity with AWS, Docker/Kubernetes and CI/CD pipelines (desirable) Key Responsibilities: Develop … and microservices . Build and optimise SQL schemas and queries for performance and scalability. Integrate APIs and third-party services into core systems. Collaborate with cross-functional teams to design scalable, maintainable software solutions . Participate in code reviews , contributing to team standards and documentation. Support production deployments, monitoring, and issue resolution. Continuously improve application performance, reliability, and user More ❯

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 ❯

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 ❯

of being written, making it a critical part of the Menlo Security platform to keep end users safe. Responsibilities Evaluate and implement the latest development and deployment technologies for API design, highly available and scalable distributed systems, multithreaded/asynchronous applications with performance and security in mind Technically lead large scale projects, and participate in building, deploying and … operating the Menlo Security platform Architect, design, develop and own new features and services and be a key contributor to Menlo's technical roadmap Partner with product, security, operations, and other cross-functional stakeholders to align on requirements and schedules Requirements 3-5 years of experience in cloud computing technologies or related technical fields 3-5 years of hands 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 ❯

practice law, leading to exceptional outcomes for clients and lawyers. Lawhive Labs is how we bring this vision to life. It's our frontier lab that combines top engineering, design, AI and legal talent from around the world, joining forces to build the future of law. We're backed by top-tier investors, including Google Ventures, Balderton Capital and … and async workflows to process large-scale AI workloads efficiently. Ensuring security & compliance in AI-driven legal services. Requirements Strong Python experience in building scalable backend systems. Familiarity with API design & distributed systems architecture. Experience working with event-driven architectures (e.g. Kafka, Pub/Sub, AWS Step Functions, etc.). Experience working with cloud platforms (AWS, GCP etc … of the legal industry and experience working with legal technology solutions. Interview process Introductory call with our Talent team 1:1 with your hiring manager Live technical assessment - systems design and pairing with two of our engineers Values interview with our CTO/Co-founder We offer UK Benefits: Meaningful early-stage equity at one of Europe's fastest More ❯

finding and taking on a feature or project simply because that problem needs to be solved and shipped. But that individual must work together with different engineering teams, UI design, product teams, and business leadership to make things happen, which means that engineers succeed here because they can maintain that independent spirit and motivation within a deeply collaborative environment. … with OpenGL, DirectX, or any other graphics APIs Experience writing functional and integration testsGood understanding of Core OS concepts like memory management and multi threading A good understanding of API design, considerations and trade offs Consumer electronics experience building Media/Content and/or Ad product Strong verbal and written communication skills (this role involves frequent communication More ❯

Strong ability to integrate with REST APIs, manage secure authentication flows, and handle offline scenarios Basic understanding of backend systems (e.g. Node.js, AWS) to debug issues and contribute to API design discussions Proficient in Git, with best practices for branching, tagging, and changelogs Comfortable using tools like Jira, TestRail, and writing technical documentation Experience working in cross-functional 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 ❯

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 ❯

Solutions 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 Solutions 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 ❯

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 ❯

modernisation opportunities. + Develop modernisation roadmaps aligned with enterprise architecture and business strategy. + Recommend appropriate cloud platforms, microservices architectures, and modernization patterns (e.g., rehost, refactor, rearchitect). Architecture & Design: + Design scalable, resilient, and secure application architectures using modern technologies (e.g., containers, serverless, APIs). + Define integration strategies with existing systems and third-party services. + … across the application portfolio. Skills Required: Proven experience in application architecture and modernisation projects. Strong knowledge of public and hybrid cloud platforms. Expertise in microservices, containerization (Docker, Kubernetes), and API design. Familiarity with legacy systems (e.g., monolithic applications, mainframes) and migration strategies. Experience with Agile and DevOps practices and CI/CD pipelines. Excellent communication and stakeholder management skills. 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 ❯

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 ❯

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 (<40μs) 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 ❯

scale, regulated environments - ideally in Investment, Asset or Wealth Management. Solid experience in building and deploying frontend applications in React or React Native with hands-on knowledge of secure API design and authentication services. Experience in Java and Spring Boot, or iOS (Swift) or Android (Kotlin) along with exposure to Figma and Vercel is a big plus. Capable 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 ❯

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 ❯

This is initially a 6 month contract with the potential to extend and will be a hybrid role that will be based in either London or Coventry . Responsibilities: Design robust integration solutions across commercial, HR, and data platforms within a complex, multi-brand retail environment Lead architectural planning for the decommissioning of legacy systems, ensuring smooth transitions to … modern, scalable services Define and document integration standards, including API strategies, event schemas, and interface contracts to enable decoupled, reusable services Implement event-driven architectures using Kafka to support real-time data exchange and responsive system interactions Collaborate cross-functionally with product managers, engineering teams, and platform leads to define scalable service boundaries and integration touchpoints Support the design … adoption of strategic data services, promoting data integrity, consistency, and standardisation across the enterprise Ensure integration consistency in areas such as data handling, authentication, error management, and versioning Lead design reviews for integration solutions, ensuring alignment with enterprise architecture principles and governance frameworks Act as a trusted advisor, championing best practices in integration architecture and guiding teams on modern More ❯