8 of 8 Contract API Design Jobs in London

Summary We are seeking an experienced Kong API Gateway Specialist to lead the development, implementation, and governance of our enterprise API ecosystem. This role will be responsible for establishing API governance standards, designing and managing API lifecycle processes, and driving the adoption of best practices across … integration and middleware platforms. The ideal candidate will possess deep expertise in Kong API Gateway, API management, security, integration architecture, and governance frameworks. They will work closely with enterprise architects, development teams, security teams, and business stakeholders to ensure APIs are secure, scalable, reusable, and aligned with organisational ...

connectivity across the clients core systems. Key Responsibilities: Own and evolve integration architecture aligned with enterprise standards Define and govern integration patterns across teams Design and deliver event-driven, API-first, and messaging solutions (NATS, REST) Lead end-to-end integration delivery, including hands-on development (Java/… Spring) Ensure scalable, cloud-native solutions on AWS Produce architecture artefacts (blueprints, contracts, ADRs) Guide teams on best practices, API governance, and event design Engage stakeholders and align cross-team integration efforts Primary Skills: Event-driven architecture and messaging systems (NATS, pub/sub, async patterns) API ...

teams, you will help shape the future integration strategy while ensuring high-quality, scalable, and maintainable solutions are delivered across the programme. Key Responsibilities Design and deliver integration solutions, migrating services from legacy platforms to modern strategic integration platforms. Define API specifications and integration patterns, including the transformation … legacy SOAP services into modern RESTful APIs. Apply API-first and domain-driven integration approaches to support reuse, resilience, and long-term maintainability. Contribute to end-to-end solution design, ensuring alignment with wider enterprise architecture principles and transformation objectives. Promote modern engineering practices including automated testing ...

services while supporting the ongoing evolution of the platform architecture. Key responsibilities Help define the future vision and consolidation strategy for Attribute Reputation services Design and develop scalable, secure and testable backend solutions Build and enhance REST APIs that deliver attribute insights to digital services Improve existing services … simplified technology stacks where appropriate Collaborate with product owners, business analysts, data engineers and wider teams to develop effective solutions Contribute to database design and application development with strong security and data protection principles Support operational excellence through monitoring, reliability and incident resolution Work within a continuous integration environment ...

development role. You will be expected to have years of experience of commercial development experience utilising: TECHNICAL SKILLS: Deep functional knowledge or hands on design experience with Web Services (REST, SOAP, etc) Understanding of API design and documentation .NET 8.0/10 (C#) .Net CORE (C#) .NET … Framework 4.7+ Angular (v2+), JavaScript Net MVC 5.0 & Web Api 2 ORM (EntityFramework/nhibernate/Dapper) MS SQL Server 2008+, DB2 Dependency injection and frameworks, e.g. Unity Practical experience with TDD and CI/CD OTHER SKILLS: An aptitude for problem analysis and resolution and eye for details. ...

Attribute Reputation services (APIs) to Digital services to provide attribute insights for fraud detection and prevention across the business. This work involves: Help design a future vision for our Att Rep services, including consolidation, to allow us to provide a consistent and easy to use experience for users. Consideration … maintenance efforts through incremental re-architecting - e.g. reducing the number of technologies that are required to support the pipeline & using managed services where appropriate. Design and develop clean functioning, testable code on the back-end, write effective APIs, develop and manage well-functioning databases and applications with security ...

Attribute Reputation services (APIs) to Digital services to provide attribute insights for fraud detection and prevention across the business. This work involves: Help design a future vision for our Att Rep services, including consolidation, to allow us to provide a consistent and easy to use experience for users. Consideration … maintenance efforts through incremental re-architecting - e.g. reducing the number of technologies that are required to support the pipeline & using managed services where appropriate. Design and develop clean functioning, testable code on the back-end, write effective APIs, develop and manage well-functioning databases and applications with security ...

engineering best practices What we're looking for: Solid experience developing Back End applications in Kotlin Good understanding of Back End architecture and API design Ability to work independently in a remote or hybrid environment Strong communication skills, especially important for remote collaboration ...