376 to 400 of 453 Event-Driven Jobs in London

Senior .NET / AWS Engineer - Cloud Modernisation

Hiring Organisation
Method-Resourcing
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550 per day
outset. This isn't simply a .NET role requiring some exposure to AWS. First-hand experience building and migrating applications into containerised, event-driven AWS environments is central to the requirement. What you'll be working on Modernising and migrating legacy .NET applications into AWS. Breaking down existing … applications into cloud-native services and microservices. Containerising .NET workloads and deploying through AWS ECS. Building and supporting event-driven/event-sourced architectures. Working extensively with AWS SNS/SQS and asynchronous messaging. Implementing Infrastructure as Code and automated deployment processes. Working with SQL Server ...

Integration Technical Lead – .NET, C# & Azure

Hiring Organisation
ARCA Consulting Ltd
Location
London, United Kingdom
Employment Type
Permanent
Architecture strategy. Providing hands-on technical leadership across C#/.NET and Microsoft Azure. Designing and delivering robust integration solutions, including APIs, messaging, event-driven architectures and distributed systems. Making pragmatic architectural and technical decisions within established architectural guardrails. Working closely with the Engineering Manager and Integration Architect … services and APIs. Proven experience working with Microsoft Azure Experience designing and delivering integration solutions and distributed systems, including REST APIs, microservices and event-driven architectures. A strong understanding of cloud-native architecture, scalability and performance optimisation. Experience with DevOps, CI/CD and Infrastructure as Code, with ...

Senior C# Engineer .NET 9/10, AWS Lambda, SQS, SNS Outside IR35

Hiring Organisation
Smart Sourcer Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
From £700 to £800 per day
MySQL and DynamoDB: schema design, access patterns, indexing, query tuning, and pragmatic trade-offs around consistency, scale and cost. Real-world experience designing event-driven systems with SQS: idempotency, retries, ordering, DLQs and operational resilience. Strong API design sensibility: versioning, documentation, throttling, backwards compatibility, and a genuine obsession … Architecting, building and shipping complex, high-performance distributed services in C#/.NET 8/9 on AWS Lambda. Designing and delivering resilient event-driven systems using SQS and related AWS messaging primitives. Owning features end-to-end: product thinking, scoping, trade-offs, sequencing and delivery. Designing clean ...

Data Engineer - Audience Measurement

Location
Greater London, England, United Kingdom
containerized deployments. The role As a Data Engineer, you will work in the team to guide the platform's evolution toward serverless, event-driven patterns, moving away from container-orchestrated workflows toward managed cloud services. Platform Operations: Develop robust scalable data pipelines and optimise data storage solutions … . Strong Programming Skills: Expert-level proficiency in Python, with a strong focus on building decoupled, testable functions and clear data contracts. Serverless & Event-Driven Expertise: Experience with, or strong interest in, decomposing workloads into independent steps orchestrated by managed workflow services and triggered by data events. Migration ...

Senior Software Engineer, Data

Location
Greater London, England, United Kingdom
careliability, throughput, cost, partner constraints, observability and operational support Build parallelised, distributed data transfer pipelines using Flyte for workflow orchestration, Kafka/event-driven patterns for lifecycle tracing, and Azure for storage and transfer infrastructure Help implement and evolve a globally distributed hub-and-spoke data transfer model … customer-facing technical integrations Background in autonomous vehicles, robotics, geospatial data, video processing or other data-intensive domains Experience with Kafka or other event-driven systems for transfer observability and lifecycle tracking Experience building dashboards to communicate transfer job status Multi-cloud experience across Azure, AWS and/ ...

Data Decisioning Manager

Hiring Organisation
Hackajob Ltd
Location
London, United Kingdom
Employment Type
Permanent
forward-looking point of view Automation & Activation Design automated customer journeys across email, push, SMS, in-app, and web personalisation Design trigger-based, event-driven automation flows that respond to customer behaviour in real time Design integrations with marketing, commerce and service platforms to close the loop between … genuine incremental value SQL proficiency; Python or R for data exploration, model validation, and decisioning diagnostics Hands-on automation experience — trigger-based journeys, event-driven architecture, consent management Solution-oriented and proactive — you define the path forward, raise issues early, and drive progress without being pushed Consulting ...

Solutions Engineer

Location
Greater London, England, United Kingdom
repeatedly missing, what should become a reusable capability, where the next‐generation architecture should go. Our stack — Azure‐native (AKS), Kafka and eventdriven architecture, Kong, .NET/C# on the backend, Vue.js on the front end, Auth0 and Entra ID for identity, Salesforce. We’ve deployed Claude … record of taking something from zero to running in production, ideally in or near a regulated or financial domain. Comfort with distributed/eventdriven systems, APIs, cloud (Azure ideal; AWS/GCP transferable), containers, and CI/CD. Excellent communication; credible and trustworthy in front of partner ...

Backend Engineer — Money, Payments & Ledger Systems

Location
Greater London, England, United Kingdom
role that grows from junior to staff levels, with real production responsibility from day one. You’ll work on money movement, reconciliation, event-driven consistency and AI-in-production features, with an emphasis on correctness and secure software practices. #J-18808-Ljbffr ...

Growth Marketing Lead — Mobile Gaming & Ad-Tech

Location
Greater London, England, United Kingdom
Metica Trading Limited in London is seeking a Marketing Lead to own inbound pipeline and event-driven revenue. You will shape how Metica shows up in mobile gaming and ad-tech, and be measured on the deals that come through the door. This role offers a hybrid London ...

Vehicle Systems Development Engineer

Location
London, United Kingdom
embedded controllers and vehicle interface modules. Design and integrate prototype hardware, sensors and communication interfaces. Develop vehicle-specific harnessing and wiring solutions. Create event-driven logic, triggers and decision-making rules. Install prototype systems into development vehicles. Test and validate solutions across different vehicle manufacturers and platforms. Support ...

Java Application Developer

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£520/day £520 p/d Inside IR35
month+ contract In the role you will design, develop and support scalable backend services using Java, working within a microservices and event-driven architecture. Key responsibilities Develop backend services using Java. Build and support event-driven solutions using Apache Kafka. Deliver scalable microservices-based applications. Participate ...

Java Application Developer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£520.00 per day
month+ contract In the role you will design, develop and support scalable backend services using Java, working within a microservices and event-driven architecture. Key responsibilities Develop backend services using Java. Build and support event-driven solutions using Apache Kafka. Deliver scalable microservices-based applications. Participate ...

Senior Kotlin Developer

Location
Greater London, England, United Kingdom
modernize critical Prime Finance Equities trading platforms. The role focuses on building and evolving highly scalable backend systems using Kotlin and Java, with event-driven, cloud-native architectures. Engineers will work directly on business-critical production systems while contributing to strategic platform transformation and market expansion initiatives. Responsibilities … Design, develop, and maintain backend services for trading and post-trade platforms.- Build scalable event-driven applications and messaging-based integrations.- Develop services using Kotlin and Java within JVM ecosystems.- Contribute to architecture design and technology decisions.- Ensure software quality through Test-Driven Development (TDD).Implement reliable ...

Senior Full Stack Engineer (Kotlin + React)

Location
Greater London, England, United Kingdom
focused on modernizing Prime Finance Equities platforms. The role involves developing and enhancing institutional-grade trading and post-trade systems using cloud-native, event-driven architectures while delivering advanced client-facing features. Engineers will work within a complex production environment, combining deep technical expertise with strong capital markets … knowledge. Responsibilities - Design, develop, and support full-stack solutions across frontend and backend components.- Build and enhance event-driven trading and post-trade applications.- Contribute to architecture and technical design decisions.- Develop responsive and real-time user interfaces for equities platforms.- Implement and maintain APIs, messaging integrations ...

Integration Architect - Java, AWS, FS - OutsideIR35

Hiring Organisation
Sanderson Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600 per day + Outside IR35
core systems. Key Responsibilities: Own and evolve integration architecture aligned with enterprise standards Define and govern integration patterns across teams Design and deliver event-driven, API-first, and messaging solutions (NATS, REST) Lead end-to-end integration delivery, including hands-on development (Java/Spring) Ensure scalable, cloud … contracts, ADRs) Guide teams on best practices, API governance, and event design Engage stakeholders and align cross-team integration efforts Primary Skills: Event-driven architecture and messaging systems (NATS, pub/sub, async patterns) API-first design and integration patterns (REST, gRPC) Java/Spring Boot ...

Integration Architect - Java, AWS, FS - OutsideIR35

Hiring Organisation
Sanderson
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£550.00 - £600.00 per day
core systems. Key Responsibilities: Own and evolve integration architecture aligned with enterprise standards Define and govern integration patterns across teams Design and deliver event-driven, API-first, and messaging solutions (NATS, REST) Lead end-to-end integration delivery, including hands-on development (Java/Spring) Ensure scalable, cloud … contracts, ADRs) Guide teams on best practices, API governance, and event design Engage stakeholders and align cross-team integration efforts Primary Skills: Event-driven architecture and messaging systems (NATS, pub/sub, async patterns) API-first design and integration patterns (REST, gRPC) Java/Spring Boot ...

Fullstack Senior Software Engineer (TypeScript, C#, AWS) 12 mnth Maternity Cover

Location
City Of London, England, United Kingdom
design and build. Work with AWS managed services including ECS/Fargate, Lambda, SQS, DynamoDB, and DocumentDB to build and evolve a scalable, event-driven architecture that performs under real load. Use AI coding agents (e.g. Claude Code, Cursor) to accelerate delivery and embody a genuine shift … TypeScript, Node.js, C#, .NET Frontend: TypeScript, React Cloud & Infrastructure: AWS (ECS, Lambda, SQS, DocumentDB, DynamoDB), Terraform, SST (Infrastructure as Code) Architecture: Microservices, Microfrontends, Event-driven architecture What You Need to Be Successful A strong background in TypeScript and C# with experience building modern, production-grade APIs and distributed ...

Senior Backend Software Engineer (Backend, Go)

Location
Greater London, England, United Kingdom
Design, build, and maintain backend services using our tech stack, which includes: Go and Postgres Cassandra, TimescaleDB, S3 and Athena Pulsar for event-driven design AWS for infrastructure GitLab for version control and code management, and CI/CD Contribute to technical leadership, mentorship, and best practices within … microservices, CI/CD). Strong problem-solving skills and ability to work autonomously in a collaborative environment. Knowledge of database technologies and event-driven architectures. Ability to communicate technical solutions to both technical and non-technical stakeholders. A practical, flexible mindset - comfortable navigating uncertainty and evolving priorities. ...

Senior Data Platform Engineer

Location
Greater London, England, United Kingdom
build from first principles, not someone who leans on the tools to paper over gaps. Help shape what’s next. We’re not event-driven today, but that’s a likely direction. You’ll have real influence over the stack and the standards as the team grows. What … settled decision, so exposure is welcome but not required. Experience with the Cloudflare ecosystem, or with serverless/edge-first architectures. Familiarity with event-driven architectures and message brokers/queues. Experience in fintech, climate, or other data-heavy/decision-support domains. A genuine interest in sustainability ...

Full Stack Technical Lead

Location
Greater London, England, United Kingdom
/CD pipelines; Observability and monitoring; Security and performance optimisation. Ensure scalability, reliability, and long‐term technical sustainability of a high‐throughput, eventdriven platform. Reduce technical debt through structured improvement initiatives. Line‐manage two Full Stack Engineers initially. Partner closely with the Delivery Manager to ensure predictable … with proven architectural responsibility. Deep understanding of modern front‐end frameworks, including React; Backend development in Java (Spring Boot preferred); RESTful APIs and eventdriven/microservices architecture; Relational and analytical databases (e.g. PostgreSQL, ClickHouse or similar). Experience with CI/CD pipelines; Containerisation (Docker, Kubernetes preferred ...

Senior Manager, AI Architect

Location
Greater London, England, United Kingdom
Baringa is a global consulting firm that partners with leaders to drive change and create value. With deep industry expertise, and enabled by advanced technology, the firm helps clients to deliver with greater confidence and ...

26959889 - Core Engineering Java Development Lead – FX Tech

Location
Greater London, England, United Kingdom
hands-on role for a Java expert who enjoys building high-quality robust and scalable services, shaping technical direction, and working with modern event-driven architectures. You will play a key role in designing, building and evolving core services, working closely with other senior engineers and quants. While … maintaining high-performance Java services that are scalable, secure, and resilient. Modern Backend Design: Applying Domain-Driven Design and message-/event-driven design principles to build loosely coupled, well-structured systems. Code Quality & Craftsmanship: Writing clean, maintainable code and contributing to peer reviews, championing best practices ...

Senior Backend Engineer - Scala/Java & Cloud (Event-Driven)

Location
Greater London, England, United Kingdom
LSEG ищет опытного Backend-инженера на Scala для разработки и поддержки масштабируемых сервисов в распределенной среде. Требуется глубокое знание event-driven архитектуры, Docker/Kubernetes и CI/CD в GitLab, а также опыт с Kafka и тестированием. Участие в проектировании, код-ревью и тесное взаимодействие с cross ...

Application Development

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£520/day 520 per day inside IR35
components within a modern cloud-native, microservices-based architecture.The successful candidate will play a key role in building scalable, resilient services and integrating event-driven technologies to support business-critical applications. This is an excellent opportunity to work on a large-scale enterprise transformation programme leveraging modern cloud … Responsibilities Design, develop and maintain high-quality backend services using Java. Develop scalable and resilient applications within a microservices architecture. Build and support event-driven integrations using Apache Kafka. Participate in the full software development lifecycle, including design, development, testing and deployment. Collaborate with architects, developers, testers ...

Application Development

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£520.00 per day
components within a modern cloud-native, microservices-based architecture.The successful candidate will play a key role in building scalable, resilient services and integrating event-driven technologies to support business-critical applications. This is an excellent opportunity to work on a large-scale enterprise transformation programme leveraging modern cloud … Responsibilities Design, develop and maintain high-quality backend services using Java. Develop scalable and resilient applications within a microservices architecture. Build and support event-driven integrations using Apache Kafka. Participate in the full software development lifecycle, including design, development, testing and deployment. Collaborate with architects, developers, testers ...