151 to 175 of 282 API Design Jobs in the UK excluding London

SaaS platforms. You’ll help shape architecture, deliver new features end-to-end, and contribute to technical strategy in a lean, high-calibre engineering team. What You’ll Do Design and build scalable backend and fullstack solutions in Node.js, TypeScript, React, AWS Collaborate closely on architecture, data models, and API design (REST, GraphQL, tRPC, WebSockets) Balance speed … in Node.js and React ; strong TypeScript skills Solid understanding of modern DevOps (Docker, AWS, CI/CD, Kubernetes a plus) Pragmatic engineer who values collaboration, clean code, and thoughtful design Join a team where product excellence, autonomy, and technical craftsmanship drive everything. More ❯

systems for maximum benefit and efficiency. Use a modern standards approach competently and proactively guide others in its application. Collaborate with stakeholders to review specifications, using agreed standards to design, code, test, correct, and document programmes or scripts of medium to high complexity. Define and communicate approaches for understanding user stories, guiding the team in effective prioritisation and execution. … in the following areas: Expert knowledge of Software Engineering best practices and a full understanding of the Software Development Lifecycle (SDLC). Deep experience with Micro-service architecture and API design principles. Strong practical experience with AWS and Docker/Containerisation. Define test plans and strategies, including expertise in Functional and Non-functional testing and the development/ More ❯

systems for maximum benefit and efficiency. Use a modern standards approach competently and proactively guide others in its application. Collaborate with stakeholders to review specifications, using agreed standards to design, code, test, correct, and document programmes or scripts of medium to high complexity. Define and communicate approaches for understanding user stories, guiding the team in effective prioritisation and execution. … in the following areas: Expert knowledge of Software Engineering best practices and a full understanding of the Software Development Lifecycle (SDLC). Deep experience with Micro-service architecture and API design principles. Strong practical experience with AWS and Docker/Containerisation. Define test plans and strategies, including expertise in Functional and Non-functional testing and the development/ More ❯

customer expectations 1. Code Review & Best Practices Conduct in-depth reviews of codebases to identify issues, inefficiencies, and potential security vulnerabilities. Provide recommendations on best practices, including coding standards, design patterns, and maintainability improvements. Support performance optimisation through refactoring and improved architecture. Support testing and QA process. 2. Cloud Infrastructure Support & Design Assist in designing, implementing, and optimising … goals. Provide recommendations on system architecture, tools, and frameworks. Identify opportunities for automation and process improvements. 4. Software Architecture & Development Strategy Advise on scalable and efficient system architectures Support API design, integrations, and data flow strategies. Recommend suitable technology stacks for new projects or modernisation efforts. 5. Security & Compliance Assess application security risks and provide remediation strategies. Ensure More ❯

products. Our stack includes React, TypeScript, Next.js, and Google Cloud Platform (GCP). You’ll collaborate closely with designers to create exceptional user experiences, and with platform engineers to design and implement serverless APIs and background services that scale globally. This is a fantastic opportunity to join a rapidly growing startup as we enter the next phase of expansion. … as a software engineer (or equivalent commercial experience) Strong knowledge of React, TypeScript, and Next.js Experience with GCP or another cloud provider (e.g. AWS, Firebase, or Azure) Understanding of API design and asynchronous data handling Familiarity with CI/CD workflows and version control (Git) Strong problem-solving skills and attention to detail Comfortable working in a fast More ❯

products. Our stack includes React, TypeScript, Next.js, and Google Cloud Platform (GCP). You’ll collaborate closely with designers to create exceptional user experiences, and with platform engineers to design and implement serverless APIs and background services that scale globally. This is a fantastic opportunity to join a rapidly growing startup as we enter the next phase of expansion. … as a software engineer (or equivalent commercial experience) Strong knowledge of React, TypeScript, and Next.js Experience with GCP or another cloud provider (e.g. AWS, Firebase, or Azure) Understanding of API design and asynchronous data handling Familiarity with CI/CD workflows and version control (Git) Strong problem-solving skills and attention to detail Comfortable working in a fast More ❯

products. Our stack includes React, TypeScript, Next.js, and Google Cloud Platform (GCP). You’ll collaborate closely with designers to create exceptional user experiences, and with platform engineers to design and implement serverless APIs and background services that scale globally. This is a fantastic opportunity to join a rapidly growing startup as we enter the next phase of expansion. … as a software engineer (or equivalent commercial experience) Strong knowledge of React, TypeScript, and Next.js Experience with GCP or another cloud provider (e.g. AWS, Firebase, or Azure) Understanding of API design and asynchronous data handling Familiarity with CI/CD workflows and version control (Git) Strong problem-solving skills and attention to detail Comfortable working in a fast More ❯

organisation, and ecosystems to make an impact that matters to our clients and to society. We're a new type of creative digital consultancy that fuses strategy, tech and design to identify where businesses need to be, then get them there. Fast. Want to help us shape the future? We're looking for experienced engineers to work with our … it matters most. Connect to your opportunity As a technical architect, you will play a crucial role in our agile project delivery by collaborating with cross-functional teams to design and implement flexible, scalable, and secure technical solutions. You will work closely with client stakeholders to understand requirements, provide technical leadership, and ensure that the architecture aligns with agile … backgrounds, and perspectives. Willing and eligible to apply and obtain UK security clearance to Security Check (SC) level, if not holding an existing clearance Extensive experience in digital architecture design and implementation Strong knowledge of public sector regulations and compliance requirements Proficiency in cloud technologies and architecture (e.g. AWS, Azure, Google Cloud) Expertise in software development methodologies and best More ❯

and Spring Boot experience, solid understanding of Kubernetes and AWS services, and hands-on database development with SQL-based systems. Familiarity with mobile integrations (iOS/Android native), RESTful API design, and Agile delivery methodologies will be highly beneficial. This is an exciting opportunity to work in a dynamic FinTech environment where innovation, quality, and performance are at More ❯

ll bring: Proven experience in software integration, with skills in Python, C, Powershell, and CI/CD pipelines Strong knowledge of architectural patterns such as SOA, Microservices, ESB, and API design Expertise in designing and implementing integration solutions for COTS and custom software Familiarity with containerisation (Docker), orchestration (Kubernetes), and virtualisation (VMware, IaaS tools like Ansible, Terraform) Excellent More ❯

comprehensive architecture solutions that integrate core business platforms with wider enterprise systems. Establish and maintain architectural standards, best practices, and governance frameworks across the organisation. Assess existing systems and design strategies for optimisation, modernisation, and scalability. Partner with engineering, operations, security, and business teams to ensure technology solutions align with strategic objectives. Provide expert guidance on broking systems, API design, system integration, security frameworks, and user experience. Translate complex business needs into clear, implementable architectural designs. Ensure high availability, security, and performance across hybrid and cloud-based environments. Stay informed on emerging technologies and market developments relevant to the insurance industry. Skills & Experience Proven experience as a Technology Architect , Solutions Architect , or in a senior technology leadership … Experience designing and delivering systems integrations using APIs, middleware, and modern data exchange approaches. Understanding of enterprise architecture frameworks (e.g. TOGAF , Zachman ). Strong proficiency with Azure and contemporary design principles such as microservices and event-driven architecture. Excellent communication and stakeholder engagement skills across all levels. Familiarity with DevOps practices (CI/CD pipelines, monitoring, containerisation). Knowledge More ❯

built? This is a chance to join a modern, mission-driven charity that’s scaling fast after a recent merger. You’ll work across cloud, software, and integrations to design and operate the infrastructure and delivery frameworks that power real-world impact. You’ll be the go-to technical voice for automation, deployments, and engineering practices, helping to define … CloudFormation for infrastructure as code Docker and Kubernetes CI/CD pipelines with GitHub Actions Monitoring, logging, and incident response Software and Frameworks React, Node, Next.js, and Python RESTful API design and automation SaaS integrations and workflow scripting Data and Platforms Salesforce, Google Workspace, Jira, and Confluence Databases such as DynamoDB, MongoDB, and RDS Security and Identity Okta … federated identity, and SSO Encryption, TLS, and compliance-minded design About you You have strong DevOps or platform engineering experience with an interest in full stack development. You’re confident with CI/CD, infrastructure as code, and automation in a cloud-native environment. You enjoy mentoring or supporting junior engineers, work collaboratively, and are focused on delivering quality More ❯

built? This is a chance to join a modern, mission-driven charity that’s scaling fast after a recent merger. You’ll work across cloud, software, and integrations to design and operate the infrastructure and delivery frameworks that power real-world impact. You’ll be the go-to technical voice for automation, deployments, and engineering practices, helping to define … CloudFormation for infrastructure as code Docker and Kubernetes CI/CD pipelines with GitHub Actions Monitoring, logging, and incident response Software and Frameworks React, Node, Next.js, and Python RESTful API design and automation SaaS integrations and workflow scripting Data and Platforms Salesforce, Google Workspace, Jira, and Confluence Databases such as DynamoDB, MongoDB, and RDS Security and Identity Okta … federated identity, and SSO Encryption, TLS, and compliance-minded design About you You have strong DevOps or platform engineering experience with an interest in full stack development. You’re confident with CI/CD, infrastructure as code, and automation in a cloud-native environment. You enjoy mentoring or supporting junior engineers, work collaboratively, and are focused on delivering quality More ❯

built? This is a chance to join a modern, mission-driven charity that’s scaling fast after a recent merger. You’ll work across cloud, software, and integrations to design and operate the infrastructure and delivery frameworks that power real-world impact. You’ll be the go-to technical voice for automation, deployments, and engineering practices, helping to define … CloudFormation for infrastructure as code Docker and Kubernetes CI/CD pipelines with GitHub Actions Monitoring, logging, and incident response Software and Frameworks React, Node, Next.js, and Python RESTful API design and automation SaaS integrations and workflow scripting Data and Platforms Salesforce, Google Workspace, Jira, and Confluence Databases such as DynamoDB, MongoDB, and RDS Security and Identity Okta … federated identity, and SSO Encryption, TLS, and compliance-minded design About you You have strong DevOps or platform engineering experience with an interest in full stack development. You’re confident with CI/CD, infrastructure as code, and automation in a cloud-native environment. You enjoy mentoring or supporting junior engineers, work collaboratively, and are focused on delivering quality More ❯

shape scalable, next-generation digital ecosystems. Whether delivering sophisticated Big Data platforms, cloud solutions, or advanced infrastructure, our teams will drive innovation and digital excellence across multiple programmes. Responsibilities Design, develop, and implement integrations in AWS and Azure. Some designed for low-code environments Collaborate with business analysts and solution architects to translate business requirements into integration solutions Document … integration designs, data flows, and technical specifications clearly and comprehensively Configure and maintain API-based, event-driven, and batch integrations between SaaS and on-premise systems Ensure integrations are secure, compliant, and performant, following cloud best practices Participate in code reviews, testing, and deployment pipelines (CI/CD) for integration solutions Maintain awareness of low-code platform features and … code/no-code integration platforms such as AWS, Azure, Power Automate, or MuleSoft composer Understanding of cloud services and architectures in AWS and/or Azure Familiarity with API design and management, REST/SOAP services, and event driven architectures Experience in documenting integration solutions, data flows, and technical specifications Strong problem-solving skills and ability to More ❯

shape scalable, next-generation digital ecosystems. Whether delivering sophisticated Big Data platforms, cloud solutions, or advanced infrastructure, our teams will drive innovation and digital excellence across multiple programmes. Responsibilities Design, develop, and implement integrations in AWS and Azure. Some designed for low-code environments Collaborate with business analysts and solution architects to translate business requirements into integration solutions Document … integration designs, data flows, and technical specifications clearly and comprehensively Configure and maintain API-based, event-driven, and batch integrations between SaaS and on-premise systems Ensure integrations are secure, compliant, and performant, following cloud best practices Participate in code reviews, testing, and deployment pipelines (CI/CD) for integration solutions Maintain awareness of low-code platform features and … code/no-code integration platforms such as AWS, Azure, Power Automate, or MuleSoft composer Understanding of cloud services and architectures in AWS and/or Azure Familiarity with API design and management, REST/SOAP services, and event driven architectures Experience in documenting integration solutions, data flows, and technical specifications Strong problem-solving skills and ability to More ❯

shape scalable, next-generation digital ecosystems. Whether delivering sophisticated Big Data platforms, cloud solutions, or advanced infrastructure, our teams will drive innovation and digital excellence across multiple programmes. Responsibilities Design, develop, and implement integrations in AWS and Azure. Some designed for low-code environments Collaborate with business analysts and solution architects to translate business requirements into integration solutions Document … integration designs, data flows, and technical specifications clearly and comprehensively Configure and maintain API-based, event-driven, and batch integrations between SaaS and on-premise systems Ensure integrations are secure, compliant, and performant, following cloud best practices Participate in code reviews, testing, and deployment pipelines (CI/CD) for integration solutions Maintain awareness of low-code platform features and … code/no-code integration platforms such as AWS, Azure, Power Automate, or MuleSoft composer Understanding of cloud services and architectures in AWS and/or Azure Familiarity with API design and management, REST/SOAP services, and event driven architectures Experience in documenting integration solutions, data flows, and technical specifications Strong problem-solving skills and ability to More ❯

front-end experiences with and Working with Docker, containers, and Linux infrastructure to streamline deployments. Leading problem-solving sessions, code reviews, and architectural planning for exciting ecommerce innovations. Managing API integrations and optimising database performance. What You'll Need Strong experience with PHP 8 and Laravel 10+ Proficiency with JavaScript frameworks , ) Docker, containers, and Linux expertise Solid experience with … Git and MySQL RESTful API design and integration knowledge Bonus Skills Familiarity with queueing mechanisms and distributed task processing Experience integrating payment systems (Stripe, PayPal, etc.) CI/CD and unit testing best practices Agile/Scrum background Why Join? 30 days holiday (+ birthday off) Career growth opportunities in a fast-paced SaaS business Comprehensive health insurance 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 ❯

Proven ability to lead technically by example while remaining hands-on in delivery Strong background in cloud (AWS) and infrastructure as code (Terraform) Solid understanding of SQL and database design Experience with modern frontend stacks and API design Enthusiasm for mentoring, collaboration and delivering software with impact If you’re looking for a role that blends technical More ❯

opportunities. This is a chance to join a globally respected firm where AI isn’t an experiment, it’s a business driver. What You’ll Get The opportunity to design and deploy world-class AI systems used across global investment teams. A high-impact seat within a team driving technological and analytical innovation across the firm. A collaborative environment … ML libraries and frameworks. Solid background in data architecture, with proven experience across SQL, NoSQL, and graph databases such as Neo4j or Amazon Neptune. Strong understanding of distributed systems, API design, and modern deployment practices using Docker, Kubernetes, and CI/CD pipelines. Comfort working in cloud-based environments (AWS preferred), including data connectivity and infrastructure-as-code More ❯

opportunities. This is a chance to join a globally respected firm where AI isn’t an experiment, it’s a business driver. What You’ll Get The opportunity to design and deploy world-class AI systems used across global investment teams. A high-impact seat within a team driving technological and analytical innovation across the firm. A collaborative environment … ML libraries and frameworks. Solid background in data architecture, with proven experience across SQL, NoSQL, and graph databases such as Neo4j or Amazon Neptune. Strong understanding of distributed systems, API design, and modern deployment practices using Docker, Kubernetes, and CI/CD pipelines. Comfort working in cloud-based environments (AWS preferred), including data connectivity and infrastructure-as-code More ❯

opportunities. This is a chance to join a globally respected firm where AI isn’t an experiment, it’s a business driver. What You’ll Get The opportunity to design and deploy world-class AI systems used across global investment teams. A high-impact seat within a team driving technological and analytical innovation across the firm. A collaborative environment … ML libraries and frameworks. Solid background in data architecture, with proven experience across SQL, NoSQL, and graph databases such as Neo4j or Amazon Neptune. Strong understanding of distributed systems, API design, and modern deployment practices using Docker, Kubernetes, and CI/CD pipelines. Comfort working in cloud-based environments (AWS preferred), including data connectivity and infrastructure-as-code More ❯

where your work will have direct global impact. In this role, you will own the full data stack from ingestion through to analytics, building and maintaining scalable pipelines across API, streaming, and batch processes. You will manage cloud infrastructure on AWS with a DevOps mindset, including CI/CD, infrastructure as code, monitoring, and scaling. Working closely with engineering … and team development. Build, ship, and refine high‐quality features that directly support conservation and sustainability. What They’re Looking For: 5+ years of backend experience with Go, including API design, microservices, and database systems like PostgreSQL. Solid frontend skills with React/Next.js, TypeScript. Experience building scalable, reliable SaaS products that are cleanly architected and maintainable. Strong … knowledge of AWS, CI/CD pipelines, containerisation, and DevOps best practices. A thoughtful approach to system design, balancing performance, scalability, and simplicity. Someone who thrives in fast‐moving, early‐stage environments and enjoys solving deep technical challenges. A great collaborator who values teamwork, communication, and shared mission. What's on offer: £80-95k + meaningful Equity More ❯

where your work will have direct global impact. In this role, you will own the full data stack from ingestion through to analytics, building and maintaining scalable pipelines across API, streaming, and batch processes. You will manage cloud infrastructure on AWS with a DevOps mindset, including CI/CD, infrastructure as code, monitoring, and scaling. Working closely with engineering … and team development. Build, ship, and refine high‐quality features that directly support conservation and sustainability. What They’re Looking For: 5+ years of backend experience with Go, including API design, microservices, and database systems like PostgreSQL. Solid frontend skills with React/Next.js, TypeScript. Experience building scalable, reliable SaaS products that are cleanly architected and maintainable. Strong … knowledge of AWS, CI/CD pipelines, containerisation, and DevOps best practices. A thoughtful approach to system design, balancing performance, scalability, and simplicity. Someone who thrives in fast‐moving, early‐stage environments and enjoys solving deep technical challenges. A great collaborator who values teamwork, communication, and shared mission. What's on offer: £80-95k + meaningful Equity More ❯