1 to 25 of 47 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 ❯

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 ❯

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 ❯

Backend Software Engineer/Developer (C# .Net Core Cloud CQRS) London/WFH to £80k Are you a technologist with strong backend C# .Net skills? You could be progressing your career at in a senior, hands-on role Backend Software 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 ❯

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 ❯

+ Benefits Package Clearance: Must be eligible to work in the UK We’re working with a world-leading consultancy that’s delivering cutting-edge data and cloud architecture across some of the UK’s most recognisable enterprises. As their Data & Intelligence practice continues to expand, we’re looking for experienced Senior Data Architects as well as proven … Lead Data Architects to join the team. Whether your strength lies in hands-on solution architecture or enterprise-wide strategy, there’s a place for you to lead, shape and scale modern data capabilities across sectors like public services, finance, telco, manufacturing, and retail. About the Role You’ll be embedded into high-impact client projects, defining, designing … Data Architects: Lead the design and delivery of cloud-native data solutions using modern platforms (e.g. Databricks, Snowflake, Kafka, Confluent) Architect data lakes, lakehouses, streaming pipelines, and event-driven architectures Oversee engineering teams and collaborate with analysts and QA functions Translate complex requirements into scalable, robust data products and platforms Support governance, data security, and compliance 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 ❯

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 ❯

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 ❯

e.g. C# v9.0+ and .NET 6.0+, ideally v10.0/.NET 8.0) Proficiency in Azure cloud services (e.g. Azure SQL, Cosmos DB, Functions, Container Apps) Experience with microservices, event-driven architectures, and automated testing Familiarity with messaging systems such as Azure Service Bus, Event Grid, or Event Hub Practical experience with Infrastructure as 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 ❯

SME lending for banks and alternative lenders. Looking for a Senior Software Engineer on a contract basis to support a major platform upgrade and help scale our event-driven architecture. Role details: Tech Stack: Go, TypeScript, AWS (Lambda, DynamoDB), PostgreSQL Build and refactor cloud-native microservices Work closely with product and architecture teams in … a fast-paced, agile setup 6-month initial contract, likely extension You bring: Strong experience in Go or TypeScript (or both) Deep understanding of AWS and serverless architecture Track record of delivering scalable B2B applications in SaaS or FinTech Comfortable working independently within a small team 📍 Hybrid – 2 days/week in London 💰 £500–£600/day Outside More ❯

Functions, S3, SNS/SQS, Cognito, etc.). Actively contribute to back-end development using Python, ensuring best practices in clean code and performance optimization. Support front-end architecture and implementation using Angular, ensuring a seamless and scalable user experience. Ensure robust CI/CD pipelines, infrastructure as code (IaC), and deployment automation practices. Key Skills & Qualifications: Solid … with key services. Strong proficiency in Python for backend development. Experience building scalable front-end applications using Angular. Solid Solution Deisgn Experience. Nice-to-Have : Experience with Event-Driven Architecture using AWS services (SNS, SQS, EventBridge). Knowledge of GraphQL, WebSockets, or real-time data streaming. Exposure to DevOps and observability practices (e.g., Prometheus More ❯