1 to 25 of 38 Remote/Hybrid API Design Jobs in the UK excluding London

APIs — Develop and extend ASP.NET Core Web APIs and Razor Pages applications (user management, admin tools, financial data services) using C# and Dapper ORM. Design and optimize SQL Server databases — Write and maintain stored procedures, manage database schema changes using SQL Server Database Projects (dacpac/sqlpackage), and optimize … queries across large financial datasets. Maintain Python data pipelines and APIs — Support and extend Python-based Flask API endpoints and data processing pipelines using pandas, ensuring data flows reliably from external sources into the platform. Work with Azure cloud services — Deploy and manage applications on Azure App Service, Azure ...

This is a hands-on software engineering role, ideal for someone who thrives on solving complex problems in a collaborative, agile environment. You will: Design, develop and test Azure cloud native software using C# and .Net technologies, in line with an agreed schedule Ensure code is testable, safe, functional … secure, performant and reliable, all proven through testing Apply software development, microservices and API design best practices, and participate in code reviews Produce relevant and high standard documentation, developer-level tests, and deployment procedures Give accurate task estimates, and provide progress status to management Collaborate with cross-functional ...

shaping Meteor's digital future. Key Responsibilities Lead, mentor, and inspire a team of developers, fostering a culture of technical excellence and continuous improvement Design, develop, and maintain high-quality software solutions across the full stack Architect and implement systems using .NET, JavaScript, SQL, and modern frontend frameworks Oversee … API design and integrations, ensuring secure and efficient data exchange Translate business and stakeholder requirements into clear technical solutions Conduct code reviews and ensure adherence to coding, security, and quality standards Drive continuous improvement in development workflows, testing, and deployment practices Support the professional development of team members ...

consulting, technology services, and digital transformation, committed to delivering positive change through technology and human collaboration. They are seeking an experienced SC Cleared AWS API Engineer/Architect to design secure, scalable, and well-integrated API and microservices architectures across multiple client applications and services. Key responsibilities … within this role are broadly expected to include: the design of serverless and microservices-based API architectures on AWS. Defining and applying RESTful API design patterns and integration standards. Support system and data integration across distributed services. Assessing and addressing technical debt, recommending pragmatic modernisation approaches. ...

engineering discipline, independent problem-solving ability, and a commitment to building robust, scalable systems. You will work across modern cloud-native architectures, contribute to API and microservices development, and help drive best practices across the engineering organisation. Key Responsibilities Design, develop, and maintain high-quality Java applications using … Spring Boot. Build and optimise RESTful APIs and contribute to GraphQL service development. Develop cloud-native solutions using AWS services such as Lambda, API Gateway, DynamoDB, ECS, S3, and others. Contribute to microservices architecture, event-driven systems, and distributed design patterns. Implement CI/CD pipelines using tools ...

venture backed by the strength and stability of an established business. Key Responsibilities End-to-end development of high-quality, scalable SaaS platforms from design through deployment and maintenance. Architect and implement robust backend services primarily using Python and PostgreSQL. Develop and maintain responsive, performant front-end applications with … Provide technical mentorship and leadership to development teams, fostering best practices in coding, testing, and deployment. Participate in code reviews, architecture discussions, and system design decisions. Troubleshoot and resolve complex technical issues across the full stack. Ensure software security, scalability, and performance are maintained at all times. Keep abreast ...

APIs that connect suppliers to our platform, and support booking and redemption journeys end-to-end. You’ll work closely with engineering to design API-driven integrations, improve data flows, and reduce manual operational processes through better platform design. What you’ll work on Supplier API integrations … Data structure and reporting (Power BI) What you’ll do Own and deliver the platform and integrations roadmap Partner with engineering on API design and system architecture decisions Data consolidation across both brands Reduce manual processes through automation and better tooling Build scalable supplier onboarding and integration capabilities ...

Strong experience across the following is highly desirable: Modern C#/.NET engineering Cloud-native application development React or modern frontend frameworks Distributed systems & API design CI/CD and engineering automation Performance optimisation & scalability Mentoring and technical leadership Collaborative product engineering environments Most importantly, they want engineers ...

automation, and continuous improvement—and they’re looking for someone who shares that mindset. Key responsibilities as the Senior Back-End Software Engineer are: Design and develop backend services using Node.js and TypeScript , deployed in a cloud-native environment. Build and maintain GraphQL and REST APIs to support … team. Skills & Experience needed: Essential: Strong experience with Node.js and TypeScript Proven background in microservices architecture Solid understanding of GraphQL and RESTful API design Experience with SQL and NoSQL databases Familiarity with CI/CD, automated testing, and modern development workflows Desirable: Experience with Azure or other cloud ...

Engineer to help us scale our data and analytics capabilities across the UK and international markets. In this role, you will contribute to the design, development and maintenance of the data pipelines, platforms and services that power Cervus’ analytics. Working closely with experienced engineers, analysts, and delivery teams … defence. You will also be encouraged to leverage modern AI tools to accelerate high quality, sustainable development. As a Full Stack Engineer, you will: • Design, develop, automatically test and maintain full-stack web applications with a focus on data pipelines, analytics dashboards, and reporting tools. • Build scalable RESTful APIs ...

maintaining services-while being fully supported by a broad engineering community dedicated to continuous learning and innovation. Key Responsibilities of the Cloud Engineer Design, build, deploy and maintain applications and services on AWS Contribute to technical decision-making and cloud architecture discussions Develop solutions using AWS best practice, cloud … eagerness to learn Experience working in Agile environments Desirable Skills of the Cloud Engineer AWS Associate certification (Solutions Architect, Developer, or DevOps) Microservices and API design experience Containerisation and orchestration (Docker, Kubernetes, ECS, EKS) Knowledge of AWS monitoring, observability, and FinOps principles CI/CD tooling experience (Jenkins ...

maintaining services-while being fully supported by a broad engineering community dedicated to continuous learning and innovation. Key Responsibilities of the Cloud Engineer Design, build, deploy and maintain applications and services on AWS Contribute to technical decision-making and cloud architecture discussions Develop solutions using AWS best practice, cloud … eagerness to learn Experience working in Agile environments Desirable Skills of the Cloud Engineer AWS Associate certification (Solutions Architect, Developer, or DevOps) Microservices and API design experience Containerisation and orchestration (Docker, Kubernetes, ECS, EKS) Knowledge of AWS monitoring, observability, and FinOps principles CI/CD tooling experience (Jenkins ...

into a repeatable process. What you'll do Phase 1 (0-3 months): Lead the greenfield implementation of all core platforms. Build foundational REST API integrations and webhook-driven automations. Define the cross-platform data model - canonical field mapping, entity relationships and data quality standards across … automations in JavaScript and Python - ticket routing, billing triggers, licence lifecycle, CRM sequences, alert-to-action logic. Build and maintain Azure middleware (Logic Apps, API Management, Service Bus) as IaC via Terraform through a CI/CD pipeline. Iterate the acquisition onboarding playbook. What we're looking for * 5+ ...

engineers and help elevate the overall technical capability of the team. What youll be doing: Youll be working across the full stack, leading the design and delivery of new features while ensuring performance, scalability, and reliability. The role requires someone who can take high-level requirements and translate them … development, paired with strong backend experience in Java and the Spring Boot ecosystem (including Data, Security, and MVC). A solid understanding of RESTful API design, SQL/database design, CI/CD pipelines, and AWS is essential. What were looking for Were looking for someone with ...

where you'll engineer cloud-native solutions that directly support mission-critical capabilities. In this role, you will work within empowered DevOps teams to design, build, deploy and maintain applications and services on AWS. You'll collaborate closely with end-users, experiment with new technologies, and influence architectural decisions. … solving skills Experience working within agile delivery environments Desirable Experience of the Cloud DevOps Engineer AWS Associate-level certification (Architect, Developer, DevOps) Microservices and API design knowledge Experience with Docker, Kubernetes, ECS, EKS Understanding of monitoring, observability and FinOps in cloud environments CI/CD experience (Jenkins, Bamboo ...

innovation, security and a healthy work-life balance. Responsibilities Develop and maintain secure, scalable software solutions within an agile delivery team Contribute to the design and implementation of digital services, supporting technical decisions and improvements Collaborate with business analysts, delivery managers and other engineers to refine user stories … Azure Exposure to cloud-native architectures (e.g. serverless, containers) Experience contributing to improvements in team processes, tooling or engineering practices Understanding of API design and tools such as OpenAPI Exposure to public sector or working within GDS standards and accessibility guidelines Benefits Alongside your salary ...

looking for two experienced Senior Full Stack Software Engineers to join a high-performing engineering team. You will play a senior role in the design and delivery of modern, scalable web applications, bringing strong full stack expertise across Next.js, TypeScript, and AWS in a programme delivering meaningful impact across … services nationwide. KEY RESPONSIBILITIES Design and build high-quality, scalable full stack applications using Next.js and TypeScript Develop and maintain cloud-native solutions on AWS, following well-architected and security best practices Design, build, and consume RESTful APIs, ensuring performance, reliability, and security standards are met Write ...

toolchains Familiarity with large language models (LLMs) like GPT, Gemini, and open-source models such as Lama and MRR Solid understanding of RESTful API design and implementation Git based source control and JIRA Bonus points for: Knowledge/experience working with Cloud, preferably AWS Knowledge of AI/ ...

owning services end-to-end, and delivering production-ready software at scale. You'll take ownership of microservices across the full software lifecycle - from design and development through to deployment, monitoring and optimisation in production. You'll work closely with product, platform and data teams to deliver scalable solutions … improve engineering standards, and contribute to the ongoing evolution of a modern event-driven architecture. Key Responsibilities Design, build and own cloud-native microservices and APIs Develop and maintain integrations with internal systems and third-party platforms Take ownership of services in production, including monitoring, troubleshooting and optimisation Build ...

roles, with a track record of building solutions end-to-end Experience deploying applications in cloud environments, preferably Microsoft Azure Strong experience in REST API design and OpenAPI standards Extensive experience working with databases, data platforms, and analytical tools Ability to research, propose, and implement solutions with minimal ...

Senior Applied AI Engineer (.NET) Were looking for a Senior Applied AI Engineer to design and deliver production-grade AI-powered features within a modern .NET product environment. This is a hands-on engineering role focused on applying AI in real systems not training models. Youll work with commercial … role suits someone who has already successfully integrated AI into production products and can bring proven patterns into a growing team. What Youll Do Design and build AI-powered product features within a C#/.NET ecosystem Integrate commercial AI APIs into production systems with a focus on reliability ...

Inside IR35 Duration - 12 months Location: Hybrid 2-3 days per week in Corsham Requirements: Seeking an experienced Full Stack Developer to support the design and delivery of a public facing government website aligned with GDS. This role focuses on building secure, scalable back-end services and accessible, maintainable … team, collaborating closely with front-end and back-end developers, solution architects, content designers and service leads to delivery user centred outcomes. Key responsibilities: Design, build, and maintain full-stack solutions supporting a public-sector digital platform Develop front-end user interfaces that are accessible, responsive, and aligned with ...

This is a hands-on engineering role focused on integrating commercial AI APIs into a .NET ecosystem not building models from scratch. You will design, develop, and deliver production-ready features that rely on services such as Anthropic Claude, AWS Bedrock, and OpenAI. AI-assisted development will … team where AI was embedded into real products and can bring proven patterns, practices, and standards into a new environment. What Youll Do Design and implement AI-powered product features within a C#/.NET stack Integrate commercial AI APIs into production systems with reliability and scalability in mind ...

holds up under real world pressure. What you will be doing: Designing and building scalable backend systems in Python, with a strong focus on API design and data handling Owning features end to end, from discovery through to deployment and iteration Contributing to architectural decisions across a microservices … team What they are looking for: Strong Python experience, with a track record of building and maintaining production systems Solid understanding of system design, particularly around APIs and distributed architectures Experience working with AWS and modern deployment practices Engineers who care about code quality, CI/CD, and building ...

holds up under real world pressure. What you will be doing: * Designing and building scalable backend systems in Python, with a strong focus on API design and data handling * Owning features end to end, from discovery through to deployment and iteration * Contributing to architectural decisions across a microservices … team What they are looking for: * Proven Python experience, with a track record of building and maintaining production systems * Solid understanding of system design, particularly around APIs and distributed architectures * Experience working with AWS and modern deployment practices * Engineers who care about code quality, CI/CD, and building ...