26 to 50 of 69 API Design Jobs in London

works with top tier global financial institutions and major tech companies to offer our client products and services directly to their customers. Through our API, we help partners to architect and build integrations to our world class-leading international finance products, which in turn improves our client by increasing … turnaround times. Designing and developing innovative new features that expand the functionality of our client's services and exposing these features through the public API, enabling seamless integration with partner systems and empowering them to leverage the full potential of our client's platform. Diagnosing and resolving complex technical ...

their core mission capabilities. Youll work as part of empowered, autonomous DevOps teams with regular contact with end-users to flexibly and efficiently understand, design, develop, deploy and maintain applications and services on AWS. Youll be encouraged to identify new ways of solving problems and get to work … these, but if not well help you with them AWS Certification at Associate level eg Solution Architect, Developer or DevOps Expertise in microservices and API design Docker, and container runtime platforms such as Kubernetes, EKS, ECS etc Strong understand of operational concepts on AWS, particularly monitoring and observability ...

solution designs, including key non-functional requirements such as security, performance, resilience and maintainability. You'll possess a strong understanding of REST APIs and API design best practices. You'll have working knowledge of event-driven architecture and related design principles. You'll be able to communicate ...

technical outcome of the project team. What you will doTechnical direction and qualitySet the team's technical direction and own architecture and design decisions across the composable stack. Select and justify the right headless CMS, front-end framework and hosting approach for each property, weighing editorial experience, performance, cost … lock-in. Design content models and component libraries that scale across multiple brands, sites, regions and locales. Uphold coding standards and best practices through consistent code review. Ensure developers test their own work before it reaches QA, with automated testing and CI/CD in place. Hold the team ...

within a multidisciplinary or agile delivery team, including coaching, mentoring, pairing, coordinating technical work and helping teams apply good engineering practices consistently. Ability to design, review and deliver systems with medium to high levels of technical or business complexity, ensuring appropriate technology choices, secure design, maintainability, performance, integration … adherence to modern standards Automated testing, CI/CD, reusable components, observability, secure development, API design, systems integration and continuous improvement of developer experience. The role is likely to suit someone who can operate confidently as the bridge between strategic technical direction and practical delivery within a squad. ...

works with top tier global financial institutions and major tech companies to offer our client products and services directly to their customers. Through our API, we help partners to architect and build integrations to our world class-leading international finance products, which in turn improves our client by increasing … turnaround times. Designing and developing innovative new features that expand the functionality of our client's services and exposing these features through the public API, enabling seamless integration with partner systems and empowering them to leverage the full potential of our client's platform. Diagnosing and resolving complex technical ...

high-impact engineering role combining hands-on full-stack development, scalable architecture and direct collaboration with front-office stakeholders. What you'll be doing Design and build modern applications using React or Vue.js and Java-based back-end services. Develop distributed microservices, APIs and scalable enterprise architectures, with Python … solutions using AWS, Azure or GCP, alongside CI/CD pipelines and automated testing. Optimise application performance, security, reliability and production support. Lead technical design, code reviews and testing, resolve complex engineering challenges and mentor other developers. Work directly with portfolio managers, product owners and cross-functional teams ...

security etc). Working within a project management/agile delivery methodology Experience in technical ownership for a product or software solution, covering design, estimation, shaping and user story/requirement creation Documentation of solutions (e.g. architecture, configuration, release, support-handover Collaborate and liaise with other our client … including microservices and message-driven architectures NFR/Non-Functional requirement understanding and experience developing applications with this in mind Application/Digital Services Design experience Experience in software engineering practices like Code Reviews, CI/CD Pipelines and SOLID/DRY principals Hands-on developing/coding role ...

Selective To Be Effective. Be Highly Aligned, Loosely Coupled. Disagree Transparently. Encourage Independent Decision-Making. Build Dream Teams. Who You Are: You'll design and build backend systems powering blockchain infrastructure and staking products across Galaxy — spanning Ethereum-based systems, staking infrastructure (native and liquid), and blockchain data systems … first development environment that increasingly leverages AI-assisted workflows. Typical time allocation: roughly 60% building systems and features, 20% code review and mentorship, 20% design, architecture, and product collaboration. What You'll Do: Build and own backend systemsDesign and build APIs, services, Ethereum data pipelines and indexers, staking ...

applications, platforms and deployment processes. This is not a traditional vulnerability management role, it is a hands-on Application Security role centred on secure design, CI/CD security, cloud-native technologies, Kubernetes, API security, code analysis, security-as-code and supporting development teams to build secure applications. … controls throughout CI/CD pipelines. Strengthening the security of GitHub Actions and comparable continuous integration and deployment platforms. Providing technical guidance on secure API design and protecting externally accessible systems. Supporting the security of Azure cloud infrastructure, including Azure Kubernetes Service (AKS).Assisting with the protection ...

level role focuses on building intelligent AI agents that can plan, reason, operate security tooling and identify exploitable vulnerabilities within controlled environments. Key Responsibilities: Design, build and deploy AI agents that automate penetration testing, including planning, tool use and reasoning over security findingsDevelop sandboxed cyber-lab and range infrastructure … using containers and KubernetesDeliver AI features from initial design through to production, including evaluations, guardrails and monitoringImprove agent performance through prompt engineering, tool orchestration, evaluation and token and cost optimisationIntegrate security tools and enable agents to operate safely within defined scopesWork closely with security researchers to translate offensive security ...

teams to integrate security throughout the software development lifecycle. Microsoft Azure and KQL experience are essential , alongside relevant experience in CI/CD, Kubernetes, API security, security-as-code and security automation . This is a hands-on application security role focused on secure design, application security testing … Integrating security controls into CI/CD pipelines. Strengthening the security of GitHub Actions and similar CI/CD platforms. Providing guidance on secure API design and externally accessible systems. Supporting Azure cloud infrastructure, including Azure Kubernetes Service (AKS). Developing security-as-code and policy-as-code. ...

creates real customer value, prototype the hardest bets yourself, and bring the team with you. Own delivery end-to-end. Pick up a problem, design the solution, ship the work wherever the feature lives, and see it through to production. Own on-call. Be on the rotation, and stand … just code. You measure your work by what changed for the customer, not the lines of code shipped. Production minded. Solid grasp of API design, observability, scaling, reliability, and security. Care about craft. Clean APIs, attention to detail, and how the system feels to work in. Comfortable ...

Processing, and Cash & FX. You'll act as the technical authority within delivery teams, driving architecture strategy, governance, and engineering best practice. Key Responsibilities Design modern microservices and event-driven architectures using technologies such as Kafka, REST APIs and cloud platforms. Lead architecture governance, technical reviews, non-functional requirements … Processing Strong software engineering background in Java, Spring Boot, Oracle and SQL databases. Proven experience with: Microservices architecture Event-driven systems (Kafka, MQ, Solace) API design and integration AWS and/or Snowflake Knowledge of SWIFT MT, ISO 20022 and post-trade processing workflows. Experience operating within enterprise ...

outside IR35 A retail company are hiring for a Senior Full Stack Engineer to join their order fulfilment team to help design, build and evolve the digital platform. This is a hands-on role where you'll work closely with product and engineering teams to solve real business problems … deliver impactful digital experiences. It is a modern engineering function that uses agentic AI tools throughout its development process. Responsibilities Design build and maintain scalable secure and high-performing ecommerce applications using React C# .NET and Azure Deliver end-to-end features across the stack from frontend experience through ...

data products, the security master, semantic models, lakehouse technologies, APIs, event-driven services, AI interfaces, and analytics platforms. Establish architectural standards for interoperability, including API design, event contracts, data exchange patterns, versioning, and access controls. Define scalable integration patterns for customers, partners, and enterprise systems across API … technologies or knowledge graphs. Event streaming platforms. MCP or AI integration frameworks. Enterprise integration patterns. Financial services or RegTech experience. Identity and access management. API management platforms. To learn more about our values, mission and the wide-range of perks offered to employees at Comply, visit .Comply ...

including APIs, workflow engines, data services, and system integrations. Develop and support integrations between Java/Spring platform components and Python-based AI services. Design secure, reliable, and high-performance systems. Collaborate with cross-functional engineering teams to deliver robust backend solutions for demanding production environments. Implement and enhance … API architectures, observability frameworks, automated testing, and security best practices. Contribute to cloud infrastructure, CI/CD pipelines, and operational excellence across AWS-based environments. YOUR SKILLS AND EXPERIENCE : Strong commercial experience building backend applications. Strong Python experience is essential, with FastAPI as highly desirable Strong SQL and PostgreSQL ...

including Python and at least one additional production language such as TypeScript or equivalent, version control, testing, CI, and maintainable code, together with SQL, API design, code review and secure coding practices. Hands-on LLM application development, covering tool use, structured outputs, retrieval and agent frameworks, including embeddings ...

including Python and at least one additional production language such as TypeScript or equivalent, version control, testing, CI, and maintainable code, together with SQL, API design, code review and secure coding practices. Hands-on LLM application development, covering tool use, structured outputs, retrieval and agent frameworks, including embeddings ...

work: We're a small team that ships frequently and iterates on real partner feedback. Engineers own features from technical discovery and design through to production support. We work closely with our PM and designer to understand partner needs, and with adjacent teams (API Experience, Account Discovery … identity mapping between partner systems and Wise. The communication layer services between Wise and partners, extending them to handle new case types and workflows. API design for partner-facing endpoints. We care about consistency, documentation, and making them usable without hand-holding. Work with FinCrime, Compliance ...

workflows at scale. This role emphasizes engineering excellence, operational readiness, and secure, compliant delivery in a fast-paced global environment. Job Responsibilities Lead the design and delivery of user interface capabilities across Execute, from discovery to production support Set front-end technical direction, including architecture, standards, performance, and testing … time or data-intensive user experiences Demonstrated technical leadership in setting standards, leading designs, and mentoring teams Solid software engineering fundamentals, including OO/design patterns, debugging, and documentation Familiarity with agentic development approaches across the software development lifecycle Strong communication skills and ability to work effectively in global ...

Java and Spring Boot Deploy and support services on AWS (e.g. ECS/EKS, Lambda, RDS, DynamoDB, SQS/SNS) Own services from design through to production support Maintain CI/CD pipelines and infrastructure as code (Terraform, CloudFormation or CDK) Review code and contribute to architecture decisions Essential … skills: Commercial experience with Java 21 and Spring Boot Building and running applications on AWS Microservices and API design Reasonable Adjustments: Respect and equality are core values to us. We are proud of the diverse and inclusive community we have built, and we welcome applications from people ...

part of a small, highly experienced engineering team responsible for transforming ambitious ideas into production-ready software. Working closely with Product, Design and AI specialists, you'll take concepts from whiteboard sketches through to prototypes, proof of concepts, MVPs and ultimately scalable products. If you enjoy solving complex problems … frontend development, backend engineering and cloud technologies to rapidly build and validate new AI-powered products. You'll be heavily involved in architecture, technical design and proof-of-concept development, collaborating directly with stakeholders to transform ideas into working software. This is a hands-on engineering role where ...

Development Life Cycle including Requirements Elicitation, Application Architecture definition and Design. You will play an important role in creating the Architecture and high-level design artifacts. You will also do technical feasibility and identify smart ways of completing client's requirement. You will guide the team technically and work … with an Agile teamPreferred Message-oriented-middleware (Kafka, AMQP, MQ, AMPS, etc.) experience Distributed systems experience Web Application development (JavaScript, AngularJS, Bootstrap, etc.) Rest API design and development DDD/CQRS/Event sourced systems experience Relevant industry (banking middle/back office) experience Experience in scripting languages ...

architecture strategies that deliver secure, governed, and high-performing data platforms that create real business impact? About our TeamThe TIO Architecture Team is the design and architecture function of Elsevier's Technology Infrastructure and Operations organization and is responsible for architectural design and consultancy across a multitude … both AI developer tooling and end user GenAI technologies).About the RoleThis Solution Architect role is an exciting opportunity to lead the design and evolution of Elsevier's Operational Data Platform. You will work alongside an embedded engineering team to architect Snowflake-based data warehouse solutions and related systems ...