26 to 50 of 201 API Design Jobs in the UK

Solutions Architect – Data Platforms & API Migration Location: Manchester (Hybrid) Salary £80,000 - £90,000 DOE About the Opportunity A trailblazer in the legal sector is seeking a Solutions Architect with a specialist focus on legacy systems transformation, API-centric design, and enterprise-scale data platform migration. … roadmap for migration and integration from on-premises/legacy platforms to cloud-based solutions, ensuring APIs and data flows are optimised. Target Architecture Design: Create scalable, resilient and secure architecture blueprints for a future-state data and applications landscape using SaaS, microservices, and APIs. Integration & Migration: Lead integration ...

market-leading Warehouse Control System platform. This position will suit a hands-on architect who enjoys working across the full software lifecycle, from solution design and architecture through to technical leadership, customer engagement and delivery. You'll help shape the future direction of a highly scalable warehouse automation platform … scalable and capable of supporting increasingly sophisticated automation technologies. Key Responsibilities Own and define application, integration, deployment and data architecture across the WCS platform. Design scalable, resilient and maintainable software solutions using modern Microsoft technologies. Collaborate with engineering teams to establish architectural standards, development frameworks and technical governance. Lead ...

lead the next phase of our technology transformation journey to create great products and services for the organisation. Main Responsibilities Responsible for the overall design and solution architectureinvolvinglargedata. Lead and maintain key design decisions and existing solution architecture documents. Demonstrate a Product delivery mindset, and drive capabilities … existing eCommerce and data infrastructure for scalability and expansion. Skills: Detailed knowledge and previous experience with AI and Claude. Strong understanding of architecture, discovery, design and delivery of Enterprise, Cloud and Security technologies, preferably in a Microsoft technology stack. C# .NET Core, REST API Design and Development ...

foundational responsibility to establish the engineering practices, tooling, documentation and knowledge base required to build and sustain this capability from the ground up. RESPONSIBILITIES Design, build and maintain the shared agentic platform services that domain-aligned and platform teams consume to deploy agents at enterprise scale. Own the agent … Collaborate with Enterprise and Solution Architects to define agentic orchestration strategy and platform requirements and ensure platform engineering aligns with the enterprise reference architecture, design patterns and technology standards. Work with integration engineers to ensure seamless agent-to-system connectivity, supporting integration standards and patterns for agents and enabling ...

Senior API/PHP Developer – Fully Remote (UK) – £80,000+ Venchr is partnering with a fast-growing SaaS company that’s redefining financial management in the luxury and yachting sector. Their platform unites accounting, payments, FX, and project management into a single, powerful ecosystem — helping clients worldwide streamline complex … operations with ease. They’re now seeking a Lead PHP Developer with a strong focus on API architecture and backend systems to join their fully remote UK-based engineering team. In this role, you’ll take ownership of designing, developing, and optimizing APIs that power mission-critical services. ...

Senior Programmer Analyst (C12/AVP) to join our Master Reference Data (MRD) technology organization. In this role, you will be responsible for the design, development, testing and implementation of the Operating Model & Aritifical Intelligence (OMAI) Fusion application - a critical enterprise platform responsible for centralizing, mastering and distributing high … build high-performance data processing pipelines, optimize complex database architectures and deliver resilient software solutions that support mission-critical enterprise operations.Key ResponsibilitiesApplication & Pipeline Development: Design, code, test and implement robust backend services, ETL data pipelines and batch/real-time processing components for the Fusion platform using Python.Database Architecture ...

role. You'll be in the code, in the CLI, and in the infrastructure daily. What You'll Actually Do Azure Platform Engineering (40%) Design and implement Azure landing zones, management groups, and subscription architecture Build and maintain hub-spoke network topologies with proper segmentation and security controls Implement … data governance and cataloging Experience with Delta Lake, Spark optimization, data quality frameworks Azure networking certifications or equivalent deep knowledge Container orchestration (AKS) API design and management (API Management, App Gateway, Front Door) What Actually Matters Pragmatism over purity - you choose the right tool ...

consumers, topics, partitions and consumer groups Cloud: AWS application deployment and support DevOps: CI/CD pipeline implementation and automation Containers: Docker APIs: RESTful API design and development using C# with Open API standard Source Control: GitHub and Azure DevOps Production Engineering: Troubleshooting, monitoring, logging and performance … optimization Highly Desirable Amazon MSK or managed Kafka experience AWS EKS/ECS Terraform/AWS CloudFormation AWS Lambda, API Gateway, SQS, SNS and EventBridge Redis and distributed caching CloudWatch, ELK/OpenSearch, Datadog, Prometheus, Grafana or Splunk OAuth 2.0/JWT and API security AWS certification Experience ...

consumers, topics, partitions and consumer groups Cloud: AWS application deployment and support DevOps: CI/CD pipeline implementation and automation Containers: Docker APIs: RESTful API design and development using C# with Open API standard Source Control: GitHub and Azure DevOps Production Engineering: Troubleshooting, monitoring, logging and performance … optimization Highly Desirable Amazon MSK or managed Kafka experience AWS EKS/ECS Terraform/AWS CloudFormation AWS Lambda, API Gateway, SQS, SNS and EventBridge Redis and distributed caching CloudWatch, ELK/OpenSearch, Datadog, Prometheus, Grafana or Splunk OAuth 2.0/JWT and API security AWS certification Experience ...

sustainability PURPOSE OF JOB: We are looking for a proactive, product-minded C# Developer to join our small, agile engineering team. The role will design, build and support secure, scalable applications across the full technology stack, with a strong focus on clean architecture, test-driven development and reliable delivery. … hats, learning new technologies and collaborating closely with product managers, designers and engineers to deliver user-centred solutions and drive technical excellence. KEY RESPONSIBILITIES: Design & Develop: Build and maintain backend services in C# using .NET Core/.NET 9, with a focus on clean architecture, scalability and maintainability. Full ...

health tech clients Integrations team, building secure, reliable payment capabilities for their platform, a cloud-based SaaS platform used across the UK. You'll design and deliver integrations with leading providers including Stripe, Dojo and Adyen, powering online payment links, card-present payments, and automated debt chasing. What … Build and maintain secure, resilient Java microservices and third-party integrations. Own services end to end: design, build, test, deploy, monitor and improve them in production. Shape technical decisions with Product, QA and your Team Lead. Coach junior developers and QA colleagues. What we're looking for 5+ years ...

Ireland providing specialist services to a wide range of blue-chip clients. The role We are seeking technical polyglots who enjoy both technical architectural design, hands-on coding and peer reviews, though also like the idea of the equally important social/client-facing aspect of the role. … development architecture as well as supporting business analysts and product owners in planning and story-mapping for new development. You will act as technical design authority (TDA) for delivery of technical stories and produce technical documentation artefacts to support the delivery process. Main Responsibilities Duties will include: The design ...

Ireland providing specialist services to a wide range of blue-chip clients. The role We are seeking technical polyglots who enjoy both technical architectural design, hands-on coding and peer reviews, though also like the idea of the equally important social/client-facing aspect of the role. … development architecture as well as supporting business analysts and product owners in planning and story-mapping for new development. You will act as technical design authority (TDA) for delivery of technical stories and produce technical documentation artefacts to support the delivery process. Main Responsibilities Duties will include: · The design ...

Ireland providing specialist services to a wide range of blue-chip clients. The role We are seeking technical polyglots who enjoy both technical architectural design, hands-on coding and peer reviews, though also like the idea of the equally important social/client-facing aspect of the role. … development architecture as well as supporting business analysts and product owners in planning and story-mapping for new development. You will act as technical design authority (TDA) for delivery of technical stories and produce technical documentation artefacts to support the delivery process. Main Responsibilities Duties will include: · The design ...

agile delivery methodology to ensure timely and high-quality delivery of software applications.Technical Ownership: Take technical ownership of a product or software solution, covering design, estimation, shaping, and user story/requirement creation.Solution Documentation: Document solutions, including architecture, configuration, release, and support handover.Stakeholder Collaboration: Collaborate and liaise with other … coding best practices and modern architectural patterns, including microservices and message-driven architectures.Non-Functional Requirements: Experience developing applications with non-functional requirements in mind.Application Design: Experience in application/digital services design.Software Engineering Practices: Proficiency in software engineering practices like code reviews, CI/CD pipelines, and SOLID/ ...

agile delivery methodology to ensure timely and high-quality delivery of software applications.Technical Ownership: Take technical ownership of a product or software solution, covering design, estimation, shaping, and user story/requirement creation.Solution Documentation: Document solutions, including architecture, configuration, release, and support handover.Stakeholder Collaboration: Collaborate and liaise with other … coding best practices and modern architectural patterns, including microservices and message-driven architectures.Non-Functional Requirements: Experience developing applications with non-functional requirements in mind.Application Design: Experience in application/digital services design.Software Engineering Practices: Proficiency in software engineering practices like code reviews, CI/CD pipelines, and SOLID/ ...

agile delivery methodology to ensure timely and high-quality delivery of software applications.Technical Ownership: Take technical ownership of a product or software solution, covering design, estimation, shaping, and user story/requirement creation.Solution Documentation: Document solutions, including architecture, configuration, release, and support handover.Stakeholder Collaboration: Collaborate and liaise with other … coding best practices and modern architectural patterns, including microservices and message-driven architectures.Non-Functional Requirements: Experience developing applications with non-functional requirements in mind.Application Design: Experience in application/digital services design.Software Engineering Practices: Proficiency in software engineering practices like code reviews, CI/CD pipelines, and SOLID/ ...

agile delivery methodology to ensure timely and high-quality delivery of software applications.Technical Ownership: Take technical ownership of a product or software solution, covering design, estimation, shaping, and user story/requirement creation.Solution Documentation: Document solutions, including architecture, configuration, release, and support handover.Stakeholder Collaboration: Collaborate and liaise with other … coding best practices and modern architectural patterns, including microservices and message-driven architectures.Non-Functional Requirements: Experience developing applications with non-functional requirements in mind.Application Design: Experience in application/digital services design.Software Engineering Practices: Proficiency in software engineering practices like code reviews, CI/CD pipelines, and SOLID/ ...

agile delivery methodology to ensure timely and high-quality delivery of software applications.Technical Ownership: Take technical ownership of a product or software solution, covering design, estimation, shaping, and user story/requirement creation.Solution Documentation: Document solutions, including architecture, configuration, release, and support handover.Stakeholder Collaboration: Collaborate and liaise with other … coding best practices and modern architectural patterns, including microservices and message-driven architectures.Non-Functional Requirements: Experience developing applications with non-functional requirements in mind.Application Design: Experience in application/digital services design.Software Engineering Practices: Proficiency in software engineering practices like code reviews, CI/CD pipelines, and SOLID/ ...

development, delivery and production operations whilst remaining hands-on, writing production code and tackling the most technically complex problems. You'll own system architecture, API design, technical decisions, design reviews and code quality and partner with Product Managers on roadmaps, delivery plans and priorities. Providing technical leadership … within a software engineering team You have strong backend development skills with C# .Net (would also consider other OO languages) You have strong system design experience, particularly distributed systems and microservices You have frontend experience with Vue.js, React or modern Angular You have a good knowledge ...

enabled systems in secure, enterprise environments. In this role, you will collaborate closely with engineering teams across our group to develop priority use cases, design and build services, and promote best practices for scalable, resilient, and secure AI adoption. You will also mentor engineers, contribute to firmwide standards … enabling our AI strategy, combining practical expertise with AI/ML knowledge to ensure our systems are secure, compliant and performant. Job responsibilities Design and develop modular, maintainable AI systems and interfaces aligned to Infrastructure platform standards, optimizing for scalability, resiliency, and long-term operability. Partner closely with Applied ...

Senior .Net Developer, C#/VB.Net, API, SQL, NW London to £85K A Back End Developer is required to join this established financial software house based in North London. They work with some of the leading brands in retail and media, offering financial management systems developed in house … required with expertise in Visual Basic .NET, C#, SQL Server, and SAP Business One integration. The ideal candidate should have strong skills in RESTful API development, database optimization, and Azure DevOps pipeline management. Knowledge of API security, CI/CD automation, and Swagger documentation is recommended. Responsibilities API ...

Senior .Net Developer, C#/VB.Net, API, SQL, NW London to £85K A Back End Developer is required to join this established financial software house based in North London. They work with some of the leading brands in retail and media, offering financial management systems developed in house … required with expertise in Visual Basic .NET, C#, SQL Server, and SAP Business One integration. The ideal candidate should have strong skills in RESTful API development, database optimization, and Azure DevOps pipeline management. Knowledge of API security, CI/CD automation, and Swagger documentation is recommended. Responsibilities API ...

delivery methodology to ensure timely and high-quality delivery of software applications. Technical Ownership: Take technical ownership of a product or software solution, covering design, estimation, shaping, and user story/requirement creation. Solution Documentation: Document solutions, including architecture, configuration, release, and support handover. Stakeholder Collaboration: Collaborate and liaise … practices and modern architectural patterns, including microservices and message-driven architectures. Non-Functional Requirements: Experience developing applications with non-functional requirements in mind. Application Design: Experience in application/digital services design. Software Engineering Practices: Proficiency in software engineering practices like code reviews, CI/CD pipelines, and SOLID ...

boundaries of tech to make a better world today and create the ground-breaking products and services of tomorrow. What you'll doAs an API Platform Solution Architect, you'll play a key role in shaping the future of our digital architecture and API strategy. You'll work … with solution architects, engineering leaders, product managers, and technology teams to define best practices, influence platform direction, and ensure our API ecosystem continues to deliver secure, scalable, and high-performing digital experiences. This is an opportunity to make a genuine impact on the technology strategy of a large-scale ...