51 to 63 of 63 API Design Jobs in London

with your front-end counterpart to ensure alignment across the stack, to support the firm's market-making business across ranging Equities, FX, Crypto & Commodities asset classes Lead the design, development, and maintenance of the infrastructure estate, microservices, web APIs, and the business logic delivery, keeping projects on track and within scope. Drive technical decisions and trade-offs balancing … the role, including all relevant regulatory and legislative training KEY SKILLS AND EXPERIENCE Strong expertise in Java, Spring Framework/Spring Boot, or related backend frameworks Solid understanding of API design, microservices, and distributed messaging architectures Solid experience in advocating for and mentoring other team members, promoting coding reviews, enforcing team conventions Track record in driving initiatives/ More ❯

within the organisation. Contract details: 700 DR Inside IR35 12 month contract ASAP start date Hybrid - as and when required in London (infrequent travel) Skillset: Background in Software Architecture API design (REST is preferable). ++ Designing for use with User Interfaces would be a plus. Event-driven architecture patterns Familiarity with AWS and Kubernetes (Containers) would be More ❯

within the organisation. Contract details: 700 DR Inside IR35 12 month contract ASAP start date Hybrid - as and when required in London (infrequent travel) Skillset: Background in Software Architecture API design (REST is preferable). ++ Designing for use with User Interfaces would be a plus. Event-driven architecture patterns Familiarity with AWS and Kubernetes (Containers) would be More ❯

within the organisation. Contract details: 700 DR Inside IR35 12 month contract ASAP start date Hybrid - as and when required in London (infrequent travel) Skillset: Background in Software Architecture API design (REST is preferable). ++ Designing for use with User Interfaces would be a plus. Event-driven architecture patterns Familiarity with AWS and Kubernetes (Containers) would be More ❯

within the organisation. Contract details: 700 DR Inside IR35 12 month contract ASAP start date Hybrid - as and when required in London (infrequent travel) Skillset: Background in Software Architecture API design (REST is preferable). ++ Designing for use with User Interfaces would be a plus. Event-driven architecture patterns Familiarity with AWS and Kubernetes (Containers) would be More ❯

Technical Product Management Oversee integration and optimization of multiple DSPs, SSPs, and ad-serving technologies. Define technical requirements for real-time bidding systems handling billions of daily requests. Lead API product management across the AdTech/MarTech ecosystem. Design data pipelines and architecture for cross-platform campaign analytics. Ensure sub-100ms response times while maintaining 99.9% platform reliability. … least 3 years focused on programmatic advertising. Deep technical knowledge of: Programmatic ecosystem: DSPs, SSPs, DMPs, CDPs, and ad servers Real-time bidding protocols, header bidding, and auction dynamics API design, data pipelines, and system integrations Attribution methodologies and cross-device identity solutions Technical Platform Expertise Hands-on experience with major DSP platforms (e.g., DV360, The Trade Desk More ❯

and deliver the solutions needed to build innovative products Evaluate, appropriately test, and debug your work, striving for high qualityKnowledge, Skills & Abilities: Strong knowledge in C++ Strong understanding of API design Ability to independently execute on medium sized features, taking a few weeks and multiple PRs to complete Ability to understand, debug and improve existing code Strong communications More ❯

data models. Exposure to external data sources such as DocDB, Espacenet, and USPTO. Proficiency with Pandas and PySpark. Knowledge of software engineering best practices and development lifecycle. Experience with API design, integration, and management. Why Join Us? Join our team and contribute to a culture of innovation, collaboration, and excellence. If you are ready to advance your career More ❯

University of the Arts London (UAL) is a world-leading creative University for teaching and research in art, design, fashion, communication and performing arts. UAL is made up of six renowned colleges and hosts several centres and institutes that further the University’s mission and social purpose, through the students and ideas we send out into the world and … and Data team, which plays a critical leadership role in shaping and delivering University of the Arts London’s enterprise integration strategy. This role is responsible for driving an API-first approach to system integration, ensuring that UAL’s digital platforms are seamlessly connected, scalable, and aligned with strategic priorities. You will lead a team of integration architects and … developers, overseeing the design, development, and optimisation of APIs that support business outcomes and enhance user experience. This includes managing the full lifecycle of integration services from strategy and architecture to delivery and operational support. The role requires close collaboration with internal stakeholders across Digital & Technology, academic colleges, and external partners to ensure integration solutions are robust, secure, and More ❯

University of the Arts London (UAL) is a world-leading creative University for teaching and research in art, design, fashion, communication and performing arts. UAL is made up of six renowned colleges and hosts several centres and institutes that further the University's mission and social purpose, through the students and ideas we send out into the world and … and Data team, which plays a critical leadership role in shaping and delivering University of the Arts London's enterprise integration strategy. This role is responsible for driving an API-first approach to system integration, ensuring that UAL's digital platforms are seamlessly connected, scalable, and aligned with strategic priorities. You will lead a team of integration architects and … developers, overseeing the design, development, and optimisation of APIs that support business outcomes and enhance user experience. This includes managing the full life cycle of integration services from strategy and architecture to delivery and operational support. The role requires close collaboration with internal stakeholders across Digital & Technology, academic colleges, and external partners to ensure integration solutions are robust, secure More ❯

Lead Software Engineer – Azure/.NET Remote/London (occasional office visits) £Competitive + 20% bonus + excellent benefits Azure, C#, .NET, API A Lead Software Engineer with strong experience in Azure and C#/.NET is required by a global, prestigious luxury brand. This is a hands-on leadership role where you will translate architectural vision into high … performance, enterprise-grade solutions. Working closely with the Global Head of Engineering and a talented global team of developers and architects, you will plan, design, and deliver scalable, secure, and automated cloud platforms within Microsoft Azure. The organisation has beautiful offices in the West End, with a requirement to attend approximately once a fortnight. Key Responsibilities: Design and … deliver high-performance, public-facing REST APIs and system integrations within a modern Azure environment. Produce API documentation that adheres to OpenAPI 3.x standards. Lead and mentor a small, focused development team, promoting collaboration, code quality, and technical excellence. Modernise legacy systems and drive the development of next-generation, cloud-native solutions aligned with architectural best practices. Champion DevOps More ❯

you are excited by the challenge of building the commercial and trust-based foundation of a new product category, this role is for you. Key Responsibilities Monetization & Platform Architecture ? Design, build, and own the end-to-end metering and entitlements system that powers our freemium business model, targeting a 30% premium conversion rate. ? Architect and manage our core database … e.g., PostgreSQL) and caching (e.g., Redis) systems. ? Demonstrated experience building services on a major cloud platform (e.g., AWS, Azure, GCP). ? Strong understanding of distributed systems, microservices architecture, and API design. Security & Compliance ? A deep and demonstrable security-first mindset. ? Hands-on experience implementing security best practices at the application layer, including authentication (e.g., OAuth 2.0, JWT), authorization (RBAC More ❯

you are excited by the challenge of building the commercial and trust-based foundation of a new product category, this role is for you. Key Responsibilities Monetization & Platform Architecture Design, build, and own the end-to-end metering and entitlements system that powers our freemium business model, targeting a 30% premium conversion rate. Architect and manage our core database … eg, PostgreSQL) and caching (eg, Redis) systems. Demonstrated experience building services on a major cloud platform (eg, AWS, Azure, GCP). Strong understanding of distributed systems, microservices architecture, and API design. Security & Compliance A deep and demonstrable security-first mindset. Hands-on experience implementing security best practices at the application layer, including authentication (eg, OAuth 2.0, JWT), authorization (RBAC More ❯