1 to 25 of 37 Event-Driven Programming Jobs in London

complex problems. Desirable Skills AI-powered application development Large Language Models (LLMs) Generative AI Microservices GraphQL CI/CD Infrastructure as Code Event-driven architecture Agile product development Accessibility (WCAG) Technology Stack React TypeScript JavaScript Node.js Express.js Python Microsoft Azure Docker OAuth REST APIs ...

over services or distributed systems. Expertise in Python, FastAPI, Flask, or Node.js and modern backend development patterns. Strong understanding of microservices, concurrency, async programming, and event‐driven architectures. Proficiency with SQL and NoSQL databases (PostgreSQL, DynamoDB, Redis, MongoDB). Hands‐on experience with Docker ...

‐driven architecture, and domain‐driven design. Experience with cloud platforms and containerization technologies. Strong knowledge of modern programming languages (e.g., Java), database technologies (Oracle, MSSQL), and messaging systems (e.g., Kafka). Expertise in building and scaling data‐intensive applications and data analytics ...

regulated environment. What You’ll Be Doing: Designing, building and maintaining scalable APIs, cloud-native microservices and backend services. Developing distributed and event-driven systems, using messaging and asynchronous processing. Helping shape technical and architectural decisions, balancing long-term improvements with immediate delivery needs. Supporting live ...

Security Advanced coding with Java 11 and advanced capabilities with relational databases such as Oracle, PostgresQL, and Mongo DB Experience with event-driven development, Kafka and messaging systems such as Java Messaging System (JMS) Strong experience developing applications built on microservices architecture while working across ...

part of something exceptional.**Key Responsibilities:*** **Microservices Development:** Design, develop, and maintain microservices with a focus on scalability, efficiency, and stability.* **Reactive Programming:** Use reactive programming frameworks like Quarkus reactive to build non-blocking, asynchronous applications.* **Collaborative Development:** Work with product managers, DevOps, QA, and other … microservices* **Technical Skills:** + **Reactive Programming:** Proficiency with reactive frameworks in Java. + **Microservices Architecture:** Experience in developing RESTful and event-driven microservices. + **Cloud & Containerization:** Familiarity with cloud platforms (AWS, Azure, or Google Cloud) and containerization (Docker, Kubernetes). + **CI/ ...

major growth target for Citi, with technology providing the key to unlock this potential. The role This is a hands‐on (programming) role that sets technical direction, owns delivery outcomes, and takes accountability for application ownership while raising engineering standards across the team. It pairs a broad platform ...

that automate and enhance Software Development Lifecycle (SDLC) processes, improving developer productivity and accelerating delivery outcomes. Responsibilities Design and develop REST APIs, event-driven integrations, and messaging interfaces. Build and maintain integrations between Loan IQ and enterprise applications. Design and implement AI-powered agents and workflows … Hands-on experience with Microsoft Azure services. Experience building serverless solutions using Azure Functions. Strong understanding of cloud-native architecture, microservices, and event-driven integration patterns. Experience with Azure Service Bus, Event Grid, or similar cloud messaging platforms. Familiarity with Azure OpenAI ...

that automate and enhance Software Development Lifecycle (SDLC) processes, improving developer productivity and accelerating delivery outcomes. Responsibilities Design and develop REST APIs, event-driven integrations, and messaging interfaces. Build and maintain integrations between Loan IQ and enterprise applications. Design and implement AI-powered agents and workflows … Hands-on experience with Microsoft Azure services. Experience building serverless solutions using Azure Functions. Strong understanding of cloud-native architecture, microservices, and event-driven integration patterns. Experience with Azure Service Bus, Event Grid, or similar cloud messaging platforms. Familiarity with Azure OpenAI ...

integrations. Define patterns for microservices, domain boundaries, caching, queuing, resiliency, and error handling. Build robust service-to-service communication mechanisms (REST, gRPC, event-driven patterns). Implement secure authentication, authorization, rate limiting, and multi-tenant access controls. Data Engineering & Pipeline Development Design and maintain data pipelines … systems. Expertise in Python, FastAPI, and Flask with modern backend development patterns. Strong understanding of microservices, concurrency, async programming, and event-driven architectures. Proficiency with SQL and NoSQL databases (PostgreSQL, DynamoDB, Redis, MongoDB) and familiarity with lakehouse platforms. Experience with or strong willingness ...

experience using boto3 and AWS SDKs Strong experience with AWS Lambda, EC2, S3, SQS, DynamoDB and CloudWatch Experience developing and supporting event-driven and serverless architectures Experience with AWS Batch and API Gateway Strong production support and troubleshooting experience across multiple services and integrations Ability ...

careers. You’ll join an inspiring and curious team of technologists dedicated to improving the design, analytics, development, coding, testing and application programming that goes into creating high quality software and new products. Job responsibilities Executes creative software solutions, design, development, and technical troubleshooting with ability to think ...

with 5+ years of hands-on experience in Python, SQL, and data processing. The role focuses on backend development, data pipelines, and event-driven architectures using Apache Kafka. You’ll work hybrid from London with cross-functional teams to deliver scalable, high-performance solutions. The ideal ...

that spans backend and frontend technologies. This is primarily a backend role — you won't be responsible for UI development. Familiarity with event-driven systems, data ingestion, or data pipeline tooling such as Segment, BigQuery, or similar. Ability to work independently in a new area, make ...

RESTful APIs of our microservices (but we welcome people who are used to any strongly typed general purpose programming language!) Event-driven architecture with messages over SNS+SQS and Kafka to make them reliable Primary datastores are MySQL and PostgreSQL via RDS or Aurora ...

RESTful APIs of our microservices (but we welcome people who are used to any strongly typed general purpose programming language!) Event-driven architecture with messages over SNS+SQS and Kafka to make them reliable Primary datastores are MySQL and PostgreSQL via RDS or Aurora ...

volumes of global news, market and proprietary data into market intelligence for financial institutions. We are moving towards a more real-time, event-driven and agent-driven architecture. We are looking for a Senior Software Engineer to help design and build the backend services … Build Production Backend Systems: Design, build and maintain reliable Python services, APIs and data‐intensive applications operating at scale. Develop Event-Driven Architecture: Help move our architecture from scheduled pipelines towards real‐time services using messaging, queues, asynchronous processing and distributed workflows. Build Systems ...

execution data Ticket-level data Streaming analytics platforms Cloud-native architecture and platform engineering Distributed systems design and high-performance application development Event-driven and real-time processing architectures Nice to Have Experience delivering strategic trading platform rebuild or modernisation programmes Knowledge of pricing models ...

UK. The role offers a London-based office with strong remote-working support and occasional travel. You will design, develop, and maintain event-driven applications and APIs, deploy services to production, and work with cross-functional teams across the full development lifecycle. Flexible, hybrid work ...

primarily with Python and Java Building low-latency and high-throughput systems Processing large volumes of real-time data Developing distributed and event-driven architectures Building integrations with external platforms and APIs Optimising system performance and reliability Solving complex scalability and concurrency problems Contributing to system … Working alongside teams using AI and machine learning within the wider technology environment Technology Python | Java | GCP | Docker | REST APIs | Distributed Systems | Event-Driven Architecture | Streaming | Real-Time Data | AI/ML What We're Looking For We're looking for engineers with strong backend foundations ...

applications using React and TypeScript. Developing and integrating services that connect modern applications with AI-powered capabilities. Designing solutions involving APIs, databases, event-driven architectures and distributed systems. Working with SQL databases, ORMs and efficient data access patterns. Making architectural decisions around scalability, performance, reliability … strong understanding of software architecture, system design and engineering trade-offs. Solid knowledge of concurrency, asynchronous programming, APIs and event-driven systems. Experience with relational databases, SQL and ORMs. Confidence working with CI/CD, automated testing, Git and modern development workflows. Experience building ...

experience designing, coding, testing, and operating scalable, resilient, production-grade backend systems and cloud-native services Expert-level coding capability in modern programming languages such as Python, TypeScript, Go, or similar, with the ability to personally contribute high-quality production code while guiding technical direction Deep hands … Kubernetes, Elastic Container Service, or equivalent technologies in production environments Strong experience designing and implementing application programming interfaces, distributed systems, event-driven architectures, data pipelines, PostgreSQL, MongoDB, Redis, vector databases, observability, and automated deployment pipelines Demonstrated ability to influence technical direction while remaining close ...

integrations Participate in an on‐call rota for integration incidents What we are looking for Solid experience in integration development - building APIs, event-driven flows or middleware pipelines in a production environment Hands‐on experience with Azure Integration Services, Logic Apps, Service Bus or equivalent Comfortable ...

metrics definition, and performance optimization for high-scale enterprise platforms. Experience with API lifecycle management, OAuth/SSO, developer portals, certification, SDKs, event-driven systems, observability, or partner data access. Experience operating across globally distributed teams and time zones. Benefits and Perks Work from (almost) anywhere ...

responsibilities include: Designing, building and maintaining backend services, APIs and web applications. Owning features throughout their lifecycle Working across microservices and event-driven architectures. Collaborating with a wide range of technical and non-technical stakeholders. Mentoring engineers Helping drive technical decisions and platform modernisation initiatives. YOUR … EXPERIENCE: You will bring strong capability in: Node.js and TypeScript development. React and Next.js. GraphQL and REST API development. Microservices and event-driven architectures. Kafka or similar messaging technologies. PostgreSQL, MongoDB and Redis. AWS, Docker and CI/CD practices. Strong communication skills and the ability ...