26 to 50 of 65 API Design Jobs in the UK

join a collaborative environment where clean code, Test Driven Development and strong engineering principles are at the core of delivery. What you'll do Design, develop and maintain backend applications and RESTful APIs using Java and Spring Boot Follow Test Driven Development practices to ensure robust and maintainable code … using Docker and work within cloud-based environments Collaborate closely with Frontend, QA and DevOps teams to deliver complete solutions Participate in code reviews, design discussions and agile ceremonies Optimise application performance, scalability and security What you'll bring Strong hands-on experience with Java (23+) and Spring Boot ...

client mortgage journey. We’re looking for an experienced engineer who combines deep .NET and Azure expertise with a collaborative, pragmatic mindset. You’ll design and implement the backend services, APIs, and integrations that power our lending ecosystem, while working closely with front-end, product, and infrastructure teams. This … engineering principles. You’ll be part of a team where architectural thinking, reliability, and craftsmanship are valued just as much as delivery speed. Responsibilities Design, build, and maintain backend services using C# (.NET 8+) and Azure Services. Develop and secure Modern Distributed Systems using Azure Container Apps, integrating with ...

cross-functional teams of engineers, product managers, and designers. Build scalable, performant, and resilient backend systems that support critical business needs. Participate in system design and architecture reviews to influence technical direction. Drive software quality through code reviews, testing, and continuous integration. Contribute to a positive and inclusive engineering … culture through mentorship, knowledge sharing, and leadership at your level. Investigate and resolve complex technical issues in production environments. Author and review technical design documents, RFCs, and root cause analyses. Continuously learn and grow in your engineering craft and domain knowledge. Participate in an on-call rotation to ensure ...

Pension, Support Leave Salary: £70,000 - £75,000 Per Annum. Overview A key role within the Technology function, responsible for shaping solution design for a major business programme. You'll ensure solutions align with architectural standards, support integration and reporting platforms, and work closely with engineering teams and suppliers … deliver high-quality, scalable, and secure outcomes. Key Responsibilities Lead solution design across major programme workstreams, aligning with architectural vision and technical standards. Support cloud and data governance; define best practice for integration and reporting. Maintain and enforce standards for API design, integration patterns, data schemas (including ...

Senior Developer (Contract, AI-Driven Environment, Node.JS) We’re looking for an experienced backend senior developer to support API development and backend delivery for a high-traffic consumer platform. You’ll work alongside front-end engineers to build scalable, secure, and performant systems using modern tools and AI-assisted … patterns Understand backend performance, scalability, and security at production scale Build reliable, maintainable APIs and data systems Collaborate effectively with front-end developers to design and implement seamless integrations Apply caching and optimization techniques for high-traffic environments We’re not looking for: Developers needing extensive supervision or mentoring ...

High-Scale .NET Platform C#, .NET, Kafka, SQL, AWS, AI/ML, Event-Driven Systems Hybrid – North West Are you ready to design and shape the core architecture of a platform built to support global scale , rapid growth, and long-term innovation? We are at the start … teams , and lead architectural decision-making while staying close enough to the code to guide best practice. What You’ll Do Define the architecture, design principles, and technical roadmap for a highly scalable, distributed platform. Lead end-to-end solution design across event-driven , microservices , and cloud-native ...

High-Scale .NET Platform C#, .NET, Kafka, SQL, AWS, AI/ML, Event-Driven Systems Hybrid – North West Are you ready to design and shape the core architecture of a platform built to support global scale , rapid growth, and long-term innovation? We are at the start … teams , and lead architectural decision-making while staying close enough to the code to guide best practice. What You’ll Do Define the architecture, design principles, and technical roadmap for a highly scalable, distributed platform. Lead end-to-end solution design across event-driven , microservices , and cloud-native ...

/17+) Deep Spring Boot & microservices experience Strong AWS skills (EC2, S3, Lambda, IAM) Kafka/event-driven systems SQL optimisation REST/JSON API design Docker proficiency Excellent communication skills Nice to Have JavaScript/React Aurora/RDS If you're proactive, outcomes-driven, and thrive ...

beneficial). CI/CD Proficiency: Deep understanding of the software development lifecycle, automation best practices, and modern CI/CD tooling. Scalable System Design: Experience designing, building, and maintaining highly available, scalable systems. API Design: Familiarity with best practices for REST and GraphQL API design. ...

beneficial). CI/CD Proficiency: Deep understanding of the software development lifecycle, automation best practices, and modern CI/CD tooling. Scalable System Design: Experience designing, building, and maintaining highly available, scalable systems. API Design: Familiarity with best practices for REST and GraphQL API design. ...

beneficial). CI/CD Proficiency: Deep understanding of the software development lifecycle, automation best practices, and modern CI/CD tooling. Scalable System Design: Experience designing, building, and maintaining highly available, scalable systems. API Design: Familiarity with best practices for REST and GraphQL API design. ...

Terraform, GitHub CI/CD Role Overview Develop and maintain full-stack applications using Symfony and React Take ownership of new features, from design to deployment Collaborate closely with the wider team on code reviews and architectural discussions Contribute to technical improvements and continuous delivery practices Ensure high standards … experience with modern PHP frameworks such as Symfony or Laravel Strong front-end development experience with React or similar frameworks A good understanding of API design (REST or GraphQL) and relational databases Experience with Git-based workflows and CI/CD pipelines Excellent communication skills and the ability ...

aligned and practically deliverable. This role requires close collaboration with business stakeholders, business analysis, application teams and IT to define the right technology stack, design the solution end-to-end and deliver a working product. Key Responsibilities: Architecture & Design Define the application architecture for the MVP in Microsoft … Application Architect with architectural responsibilities. Strong experience with Azure. Understanding and experience using SQL. Practical experience selecting and delivering frameworks. Skilled in API design and integration patterns. Strong grasp of cloud-native principles, reusable design, and modular architectures. Understanding of security and compliance requirements in financial services. ...

engineering standards, and ensuring solutions are scalable, secure and fit for purpose. What you'll do Lead the end-to-end development lifecycle from design through to delivery Define technical direction and architecture across Java and AWS services Drive best practice across TDD, CI/CD, and scalable API … design Collaborate with Product, DevOps and QA teams to align technical delivery with business goals Guide technical change and continuous improvement initiatives Support and mentor engineers, fostering a high-performance culture What you'll bring Strong experience in backend software development with Java and AWS A proven track record ...

solution architects and QA teams where you'll contribute to both project delivery and continuous improvement of integration capabilities and standards . Key Responsibilities Design, develop and maintain integration's across AWS and Azure , including low-code/no-code solutions Work closely with BA's and architects … translate functional requirements into technical designs Build and support API-based, event-driven, and batch integration's between SaaS, cloud., and on-prem systems Configure, monitor, and maintain integration workflows to ensure reliability, performance and security Support and enhance CI/CD pipelines for integration solutions Provide input towards ...

Experience Strong experience with Python and/or Node.js Proven experience using Django, Flask, or FastAPI Strong knowledge of REST and/or GraphQL API design Experience with SQL and NoSQL databases Strong understanding of secure coding principles Experience working with CI/CD pipelines Experience with Infrastructure ...

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 … 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 ...

code reviews, debugging sessions, and continuous integration processes to uphold high standards of quality. Stay abreast of emerging trends in software development, including RESTful API design, Linux-based environments. Qualifications Proven experience in software development with proficiency in Python programming language, including Flask. Understanding of front-end development ...

Architect for a project (Outside IR35.) You will work closely with senior stakeholders and the wider team on both high and low level solution design to provide improvements on existing systems. Provide technical leadership and guidance throughout the project lifecycle, ensuring solutions are scalable, secure, and align with business … implementing complex enterprise solutions.Strong background in software development and system integration.Strong understanding of cloud platforms (AWS, Azure, Google Cloud)Experience with microservices architecture, API design, and integration patterns.Experience with DevOps practices and tools. Please apply now to be considered for this role. ...

Architect for a project (Outside IR35.) You will work closely with senior stakeholders and the wider team on both high and low level solution design to provide improvements on existing systems. Provide technical leadership and guidance throughout the project lifecycle, ensuring solutions are scalable, secure, and align with business … complex enterprise solutions. Strong background in software development and system integration. Strong understanding of cloud platforms (AWS, Azure, Google Cloud) Experience with microservices architecture, API design, and integration patterns. Experience with DevOps practices and tools. Please apply now to be considered for this role. ...

cloud-native platforms supporting mobile applications in a regulated environment. This is a hands-on backend role focused on Java/Kotlin microservices, secure API design, and cloud delivery click apply for full job details ...

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. ...

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 ...

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 ...

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 ...