1 to 25 of 58 Event-Driven Architecture Jobs in the City of London

of the FinTech space would be nice to have, but not essential. This role is crucial to driving the development of our next-generation financial solutions, contributing to architecture decisions, and mentoring junior developers. Key Responsibilities: Design, develop, and maintain robust, scalable, and secure applications using .NET (C#, .NET Core/.NET 6+) Work on cloud-native solution … architecture, infrastructure-as-code (e.g., Terraform, CloudFormation), and CI/CD pipelines Experience with relational and NoSQL databases (e.g., SQL Server, PostgreSQL, DynamoDB) Familiarity with event-driven architecture and messaging systems (e.g., SNS, SQS, Kafka) Proven track record working in FinTech or financial services environments Nice to Have: Frontend experience with modern … frameworks (e.g., React, Angular) Familiarity with containerization (Docker) and orchestration (Kubernetes, ECS) Exposure to domain-driven design (DDD), CQRS, or microservices architecture Certification in AWS (e.g., AWS Certified Developer or Solutions Architect) Education: Bachelor’s or Master’s degree in Computer Science, Engineering, or related field (or equivalent experience) This role is hybrid with 3 days More ❯

versed in modern architectural patterns, and have extensive working knowledge of AWS cloud services . Here's how you'll contribute: You'll do this by: Lead the architecture, design, and development of large-scale, distributed systems. Work closely with product and engineering teams to define architecture blueprints and technology roadmaps. Develop high-level and low … design documents. Be hands-on with coding in Java (latest versions) and guide teams on best practices. Drive adoption of modern architecture principles like Microservices , Event-Driven Architecture , CQRS , and SAGA patterns . Define and enforce coding standards, performance tuning, and best practices. Select appropriate AWS services and design cloud-native architectures More ❯

led business? We’re working with a cutting-edge technology company who are about to embark on a tech refresh project moving toward a modern, cloud-native, event-driven architecture with Go and other modern software development languages. They're on the lookout for an experienced Staff Engineer, who has worked on similar modernisation … migration projects to play a pivotal role in this transformation journey. What You’ll Be Doing: Lead the migration of large-scale .NET systems to Golang Own key architecture and platform decisions to improve system performance, reliability, and scalability. Champion DevOps best practices: CI/CD, automation, IaC (Terraform), observability and security. Collaborate across teams, build strong engineering More ❯

Reed.ai is looking for a Head of AI & Technology to join their team in Holborn, London. Overview We’re looking for an exceptional Head of AI Architecture to lead and inspire our senior engineering team, setting the architectural vision and driving the development of a cutting-edge AI-powered platform. This role demands a seasoned architect with substantial … mentor, and manage a team of Senior Full-Stack Developers and engineers, fostering a culture of technical excellence and continuous improvement. Define and enforce best practices in software architecture, coding standards, security, scalability, and performance. Collaborate closely with product management, data science, and other stakeholders to align technical strategy with business goals. Drive adoption and integration of advanced … and stakeholders. Strong problem-solving skills and a pragmatic approach to delivering solutions. Desirable Experience with containerisation and orchestration tools such as Docker and Kubernetes. Familiarity with event-driven architecture and message brokers (e.g., Kafka, RabbitMQ). Knowledge of front-end performance optimisation and accessibility standards. Exposure to machine learning pipelines or data engineering More ❯

ability to demonstrate and lead, mentor, and manage small, high-performing teams - Excellent communication and stakeholder management Technical Skills: Expertise in designing and implementing RESTful APIs and event-driven architectures - Familiarity with DevOps practises; CI/CD pipelines, containerisation (Docker), orchestration (Kubernetes) - Solid understanding of Database Systems including SQL/NoSQL - Strong retail background The Person … Software Engineering Manager or a Lead Software Engineer within a Retail environment Hands on experience in development with Microsoft Dynamics Experience with Azure, particularly in Middleware and microservice architecture Strong programming background, with proficiency in .NET, node, JavaScript or equivalent languages Hands on experience with API development, Azure Service Bus, Event Grid, and Azure Functions. More ❯

microservices that are scalable, loosely coupled, and independently deployable Develop and manage serverless applications using AWS Lambda , API Gateway , DynamoDB , S3 , SNS , SQS , and Step Functions Implement event-driven architectures and data processing pipelines Collaborate with front-end developers, DevOps, and product teams to deliver high-quality software Ensure code quality through unit testing , integration testing More ❯

observability and secure operations at scale. Core Responsibilities Architect distributed agentic systems using LLMs and tool-using AI components across enterprise cloud environments Design and implement modular, event-driven architectures (e.g., Lambda + SQS/SNS + Step Functions) to enable scalable agent workflows Develop and manage API layers (REST, GraphQL, WebSockets) to orchestrate intelligent interactions … routing and goal-directed AI behavior Contribute to internal standards for scalable AI deployments, model governance, and fail-safe operations Must-Have Skills 5+ years in enterprise solution architecture with emphasis on AI/ML system design Deep hands-on experience with AWS : Lambda, API Gateway, SageMaker, DynamoDB, ECS, Step Functions Expertise in JavaScript/TypeScript ecosystem (Node.js … Kernel Experience deploying containerized services using Docker , Kubernetes , or ECS Fargate Familiarity with agent tool-use patterns , function calling, and autonomous workflow design Proficient in designing asynchronous, event-driven systems and pub/sub messaging API-first mindset with deep knowledge of REST, GraphQL, and streaming protocols Infrastructure as Code using Terraform , AWS CDK or similar More ❯

strong TDD principles CI/CD skills with GitHub Actions (or similar) A collaborative approach to PR review and architecture discussions Desirable (but not essential): Event-driven architecture (e.g., SNS, SQS, EventBridge) AI/LLM integration (Python experience welcome) Data pipelines and ETL workflow knowledge Experience scaling cloud services and optimising for More ❯

Development: Design, develop, and maintain both front-end and back-end components of our applications using C# for the back-end and React for the front-end. System Architecture: Contribute to the design and architecture of new features and systems, ensuring scalability, performance, and security. Collaboration: Work closely with Product Managers, UX/UI designers, and … the ability to quickly learn and adapt to new technologies. Preferred Skills: Experience with Cloud platforms (e.g., Azure, AWS). Familiarity with Docker and containerization. Experience with Microservices architecture . Knowledge of unit testing frameworks and test-driven development (TDD). Experience working in an Agile/Scrum environment More ❯

team on a long-term outside IR35 contract. You’ll be building and enhancing complex systems that support front-to-back office operations, working in a modern, event-driven architecture. Expect a fast-paced, collaborative environment where your code genuinely matters. What you’ll be doing: Developing high-performance C#/.NET Core applications Working on … nice to have) What we’re looking for: Proven C# expertise in a financial services or trading environment Strong understanding of multi-threading & async programming Experience with event-driven architecture Confident communicator with a proactive mindset £750/day | Outside IR35 | 12-month rolling | Hybrid (London) DM me or apply directly to learn more. More ❯

About the Role: We are seeking an experienced and visionary Technical Lead with deep expertise in Java Spring Boot, microservices architecture, and solution design to lead the backend engineering efforts of our enterprise platforms. This role requires strong architectural acumen, hands-on coding capability, and a leadership mindset to guide teams across the full software development lifecycle. Exposure … patterns, and mobile performance optimization. • Experience with NoSQL databases (e.g., MongoDB, Cassandra). • Familiarity with cloud platforms (AWS, GCP, Azure) and container orchestration (Kubernetes). • Knowledge of event-driven or reactive architectures, messaging systems (Kafka, RabbitMQ), or domain-driven design (DDD). • Agile development experience using tools like Jira, Confluence, and participation in SAFe … or Scrum environments. • Contributions to architecture governance, tech evaluations, or engineering playbooks. About us Ascendion is a Global, leading provider of AI-first software engineering services, delivering transformative solutions across North America, APAC, and Europe. We are headquartered in New Jersey. We combine technology and talent to deliver tech debt relief, improve engineering productivity solutions, and accelerate time More ❯

Required Architect with hands-on expertise in Java, MuleSoft, Apache Camel, and RabbitMQ to lead the design and implementation of scalable integration systems. Requires strong experience with event-driven architecture and enterprise integration principles, as well as the ability to deliver secure, robust, and performant messaging solutions within a DevOps-enabled environment. Key Responsibilities … reusable integration patterns and frameworks using enterprise models. Lead API and messaging designs aligned with REST, SOAP, and AMQP standards. Implement asynchronous architectures including pub-sub and event-driven flows. Develop MuleSoft flows and processors with Anypoint Studio and DataWeave. Configure RabbitMQ clusters, queues, exchanges, and routing. Build Camel routes using advanced patterns like Splitters, Aggregators More ❯

native team. You will be responsible for designing, developing, and deploying scalable backend services using cutting-edge technologies. The ideal candidate will have strong experience in advanced microservices architecture , modern JavaScript (ES6+) , and TypeScript , with a deep understanding of cloud-native application delivery. Must Have: Proven experience in Node.js development for scalable backend systems Deep understanding of Microservices … Architecture, including: Advanced microservices patterns (e.g., service discovery, circuit breakers, sidecars) Validation and schema enforcement across microservices API versioning strategies for backward compatibility Microservice deployment strategies like blue/green and canary releases Strong knowledge of Express.js, including advanced routing, middleware, and error-handling patterns Proficiency with TypeScript and modern ES6+ JavaScript features Hands-on experience with Docker … Experience with DevOps tools and CI/CD pipelines: GitHub/GitLab, Terraform, CLI, Ansible Strong debugging, testing, and performance tuning skills Nice to Have: Experience with event-driven architecture and message queues (e.g., Pub/Sub, Kafka) Familiarity with observability tools (e.g., Prometheus, Grafana, Stackdriver) Understanding of security best practices in microservices and More ❯

week in London office A leading enterprise organisation that specialises in AI-First solutions is seeking a seasoned Technical Lead with deep expertise in Java Spring Boot, microservices architecture, and solution design to drive the backend engineering strategy for its platform engineering function. The ideal candidate brings a blend of strong technical leadership, architectural insight, and hands-on … Qualifications: Bachelor’s or Master’s degree in Computer Science, Engineering, or a related discipline. Significant experience in backend development with solid experience in technical leadership or solution architecture role. Exposure to mobile application development lifecycle, backend-for-frontend (BFF) patterns, and mobile performance optimization. Expert-level proficiency in Java, Spring Boot, and associated Spring modules (MVC, Data … Preferred Qualifications: Familiarity with NoSQL databases (e.g., MongoDB, Cassandra). Experience with cloud platforms such as AWS, GCP, or Azure, and container orchestration using Kubernetes. Knowledge of event-driven architecture, messaging systems like Kafka or RabbitMQ, and domain-driven design (DDD). Exposure to Agile methodologies, tools such as Jira and Confluence More ❯

in the banking and financial services sector to lead the design, development, and delivery of scalable technology solutions. The ideal candidate will have a solid background in enterprise architecture, microservices, and cloud technologies, with hands-on experience delivering mission-critical banking applications. This role requires strong leadership, stakeholder management, and the ability to translate complex business requirements into … of the following: Java, .NET, Python, or Node.js. Experience with cloud platforms (e.g., AWS, Azure, GCP), containerization (Docker, Kubernetes), and microservices architecture. Deep understanding of RESTful APIs, event-driven architecture, and secure software development practices. Familiarity with core banking systems, payment platforms, KYC/AML solutions, or regulatory reporting frameworks. More ❯

initially targeting the medical, education, and legal sectors. We specialize in turning innovation into impact. We are seeking an experienced Solution Architect to design and own the solution architecture for our scalable SaaS and custom products . The ideal candidate will align with the product roadmap, purpose, and feature use cases to define and implement a best-in … class architecture. This role demands a strong focus on Microservices Architecture , ensuring that our solutions are scalable, configurable, and cloud-agnostic, with seamless integrations across various systems. Key Responsibilities: Architecture & Design: Microservices Focus : Architect, design, and implement a robust microservices-based solution, enabling agility, scalability, and independent service deployments. Define and own the solution architecture … continuous improvements to enhance product architecture and technical efficiencies. Required Skills & Qualifications: Architecture & Design: Strong expertise in microservices architecture, micor forntend , event-driven architecture, and API-first design . Cloud Platforms: Deep knowledge of key cloud players AWS, Azure, and GCP , ensuring cloud-agnostic design principles. Scalability & Performance More ❯

a focus on performance and reliability. Collaborate closely with Product Managers, QA, and DevOps in an Agile environment. Write clean, testable code and contribute to code reviews and architecture discussions. Build integrations with third-party financial services (e.g., Open Banking APIs, payment providers). What We’re Looking For: Strong experience with Java 11+ and the Spring ecosystem … PostgreSQL) and messaging systems (e.g., RabbitMQ, Kafka). Nice to Have: Experience in the FinTech or lending space. Exposure to domain-driven design (DDD) and event-driven architecture. Knowledge of testing frameworks (JUnit, Mockito) and API documentation (Swagger/OpenAPI). If you’re passionate about writing clean, efficient Java code and want to More ❯

ownership, and responsibilities in end-to-end IT project delivery. Responsibilities Produce and promote high quality solution designs and application architectures that are aligned with the Group's architecture principles and strategy Work with business and technology stakeholders to produce current state/target state, drive transition plans and roadmap creation One needs to have Specialisation on designing … SQL/No-SQL implementations Champion policies, procedures, and best practice design principles Analysis of business requirements to identify flexible and pragmatic design changes to development and production architecture Act as a technical consultant providing technical knowledge, coaching/mentoring, leveraging knowledge of industry trends and best practices Participate in vendor selection exercises and gap analysis activities, and … design and SDLC methodologies, in particular Agile/SAFe Significant experience of designing solutions in distributed highly resilient environments (Microservices Architecture/EDD-Event Driven Architecture/SOA/DDD-Doman Driven Design) Significant experience of integrating enterprise application solutions Significant understanding of information security concerns and best practices Cloud More ❯

Join an innovative and fast-growing tech company building scalable, event-driven systems that power real-time decision-making. With a strong focus on functional programming, they're solving complex problems across distributed systems, data streaming, and microservices architecture. If you're passionate about clean code, performance, and cutting-edge tools, you'll fit right in. … and product teams to build new features and improve existing systems Write high-quality, testable, and well-documented code Participate in code reviews and pair programming Contribute to architecture and design discussions Optimise system performance, scalability, and reliability Tech Stack: Scala (Cats, ZIO or Akka) Play Framework or HTTP4s Kafka/Pulsar for data streaming PostgreSQL, Cassandra or … commercial experience with Scala (or deep FP experience in languages like Haskell or Elixir) Solid understanding of functional programming concepts (pure functions, immutability, type safety) Experience with event-driven or microservices architectures Comfortable working in a modern DevOps environment (CI/CD, containers, cloud) Passion for clean code, performance, and software craftsmanship Excellent communication and teamwork More ❯

e.g., telecom, retail, financial services). Drive data quality, governance, lineage, and security standards across enterprise data pipelines. Mentor engineering teams and lead best practice adoption across data architecture, orchestration, and DevOps tooling. Participate in technical workshops, executive briefings, and architecture reviews to evangelize GCP data capabilities. Required Qualifications Bachelor’s or Master’s degree in … Computer Science, Data Engineering, or related technical field. 12+ years of experience in data architecture and data engineering with proven skills and leadership in large-scale cloud data programs. 5+ years of advanced expertise in Google Cloud data services: Dataproc, Dataflow, Pub/Sub, BigQuery, Cloud Spanner, and Bigtable. Hands-on experience with orchestration tools like Apache Airflow … one scripting/programming language (e.g., Python, Java, Scala) for data manipulation and pipeline development. Scala is mandated in some cases. Deep understanding of data lakehouse design, event-driven architecture, and hybrid cloud data strategies. Strong proficiency in SQL and experience with schema design and query optimization for large datasets. Expertise in BigQuery, including More ❯

excellent product-based engineering solutions , an ability to understand and coach individuals and whole teams , and have built strong stakeholder relationships . A strong technical background in coding, architecture, and Ops is essential, as well as an ability to understand and analyse team technical and operational performance. While this is a hands-off and stack-agnostic position, the … role includes guiding teams in engineering delivery. You should feel very confident in defining the architecture, planning, delivering, and monitoring product-based engineering projects. Key Responsibilities Deliver high-impact outcomes through organisational and operational excellence 1. Change Strategy & Planning Be part of a team that designs and executes a bold, outcome-driven change management strategy that … popular web development programming languages (C#, JS/TS, Python, Java, Ruby, PHP) One or more cloud providers (AWS, Azure, GCP) Containerisation technologies Knowledge of microservices and event-driven architecture. CI/CD, pipelines development, Infrastructure As a Code Monitoring and alerting tools and practices Experience with agile methodologies, security, performance and DevOps practices Bonus: Degree More ❯

a hands-on engineering role with the opportunity to work on cutting-edge systems from day one. Tech Stack: Java 21 Spring Boot Kubernetes , AWS Grafana , GitHub Event-driven architecture, microservices CI/CD & rapid delivery tooling What You’ll Be Doing: Build scalable and secure microservices using Java 21 + Spring Boot Collaborate More ❯

and performance monitoring Desirable Skills: Background in serverless technologies (e.g. Lambda, Step Functions, API Gateway) Experience with data tools like EMR, Glue, or Apache Spark Understanding of event-driven architecture (EventBridge, SNS, SQS) Knowledge of AWS database offerings including DynamoDB and RDS Familiarity with multi-region deployments and failover strategies AWS certifications (Solutions Architect More ❯

join the team. This role requires a highly skilled hands-on professional who is passionate about technology and finance, works within a low latency enterprise event driven architecture hosted on the AWS cloud with a C# .Net , React front end and Java components. The ideal candidate: Expertise with Java, C#, and/or React. More ❯

of backend development experience (preferably with NodeJS, ExpressJS, or NestJS). -Strong proficiency in database solutions like PostgreSQL and MongoDB. -Strong grasp of RESTful APIs, microservices, and event-driven architecture. -Solid experience with cloud services (AWS, GCP or equivalent), CI/CD, and containerisation tools like Docker. -Familiarity with blockchain fundamentals and smart contracts is a More ❯