101 to 125 of 132 Event-Driven Jobs in London

Data Integration Architect - Active SC, HL7, Healthcare

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £700 per day - Outside IR35
critical programme. Key Responsibilities: Design and lead end-to-end data integration architectures across primary, community, and secondary care systems, using API-led, event-driven, and batch patterns. Develop sync management logic (InterSystems/EHR) including validation rules, conflict handling, object equivalence, and required data model extensions. Define ...

Senior Software Engineer

Hiring Organisation
Edison Hill Search
Location
NW5, Kentish Town, Greater London, United Kingdom
Employment Type
Permanent
Salary
£75000 - £85000/annum Benefits & Equity
platform that directly impacts customer experience and revenue. The environment is backend-leaning, built around Node.js, TypeScript and MongoDB, with an API-first, event-driven approach. But more important than the stack is the mindset — engineers here are trusted to take ownership, think in systems, and deliver ...

Mid-Level .NET / Full Stack Developer – Hybrid – £450/day Outside IR35 | C# | Azure | Event-Driven Systems | Payments | API-Driven

Hiring Organisation
VirtueTech Recruitment Group
Location
London Area, United Kingdom
Level .NET/Full Stack Developer – Hybrid – £450/day Outside IR35 | C# | Azure | Event-Driven Systems | Payments | API-Driven We have a great opportunity for a Mid-Level .NET/Full Stack Developer to join a growing payments company. As a .NET Developer … used globally. You’ll be contributing to a modern, cloud-native platform built with .NET and Azure , designed around API-first architecture and event-driven microservices . The platform supports complex payment flows, partner integrations, and high-volume transaction processing. This is a hands-on development role where ...

Global Head of Data

Hiring Organisation
Page Group
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£150,000 - £200,000 per annum
implement global data architecture and data models Design cloud data platforms supporting high-volume and real-time data ingestion (ETL, ELT, APIs, event-driven architecture) Establish data governance, data standards, and best practices across regions Drive adoption of modern data platforms, data lakes, data warehouses, and analytics solutions ...

CRM/CPQ Junior Administrator - Revenue Cloud

Hiring Organisation
Divalentinecalver Recruitment Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
additional countries/entities are onboarded Identify technical debt and plan remediation activities. Must have a strong understanding of integration patterns (REST, SOAP, event-driven, middleware) and a proficiency in APEX, Lightning Web Components, and Salesforce APIs. Some experience in leading technical teams and mentoring developers.Occasional travel. Must ...

CRM/CPQ Administrator - Revenue Cloud

Hiring Organisation
DivalentineCalver Recruitment Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
additional countries/entities are onboarded Identify technical debt and plan remediation activities. Must have a strong understanding of integration patterns (REST, SOAP, event-driven, middleware) and a proficiency in APEX, Lightning Web Components, and Salesforce APIs. Some experience in leading technical teams and mentoring developers. You will ...

Senior Software Engineer

Hiring Organisation
Venturi
Location
City of London, London, United Kingdom
IR35) 6 Month Contract 🌍 About the Role We’re hiring a Senior AWS Serverless Developer to join a greenfield project building a modern, event-driven data platform for regulatory and compliance reporting. You’ll design and develop a decoupled middleware layer that ingests data from multiple sources, transforms … routes it to 25+ downstream systems. This is a backend-heavy role where event-driven workflows power everything—from API triggers to S3-driven pipelines. 🛠️ What You’ll Be Doing Build and orchestrate serverless, event-driven architectures on AWS Develop scalable solutions using Lambda, Step ...

Software Engineering Manager

Hiring Organisation
Halian Technology Limited
Location
Central London, London, United Kingdom
Employment Type
Permanent
EngineeringManager/SeniorEngineeringManager Location: Hybrid(3daysperweekin-office) Company: LeadingPaymentsCompany(FinTech) Myclientisahigh-growth,product ledpaymentscompanyoperatingattheforefrontofthefintechecosystem.Theirplatformpowerssecure,scalable,andreliabletransactionsforbusinessesglobally,processingmillionsofpaymentsdailywithastrongfocusoncompliance,resilience,andperformance. Astheycontinuetoscale,wearelookingforanEngineeringManager/SeniorEngineeringManagertoleadhigh-performingteamsbuildingmission-criticalpaymentsinfrastructureandcustomer-facingfinancialproducts. TheRole Thisisahands-offbuthighlytechnicalleadershiprole.Youwillnotbecodingday-today,butyouwillremainclosetothearchitecture,technicaldecisions,andengineeringquality.Youwillleadateamoftalentedengineersdeliveringsecure,compliant,andscalablepaymentsystemsinaregulatedenvironment. ...

Graduate Sales Representative

Hiring Organisation
Flourish
Location
City of London, London, United Kingdom
accounts. Communicate our value proposition clearly to a range of stakeholders—from HR teams to senior leadership. Conduct account research and assist with eventdriven sales activities. Requirements A degree or equivalent experience, with a strong motivation to build a career in sales. Previous sales, customer‐facing ...

Senior Java Engineer (WebFlux)

Hiring Organisation
Fynity
Location
London Area, United Kingdom
Senior Java Engineer (WebFlux) London – Hybrid (1 day per week onsite) Are you a senior, hands-on Engineer who thrives in event-driven, asynchronous environments? Do you enjoy building low-latency, high-throughput distributed systems where correctness, resilience, and performance really matter? This is an opportunity to work … power instant transactions for some of the worlds largest banks. We’re hiring on behalf of a leading payments consultancy delivering mission-critical, event-driven platforms that integrate deeply with bank infrastructure to enable secure, real-time payments at global scale. What You’ll Be Doing ...

Senior Software Engineer (Backend)

Hiring Organisation
RemoteStar
Location
City of London, London, United Kingdom
backend services using Node.js, Python and TypeScript • Developing APIs and integrations with internal and external data sources • Working on data ingestion pipelines and event-driven systems • Writing clean, maintainable, and well-tested code • Collaborating with engineers across backend, data, and frontend teams • Contributing to system design and architectural … discussions Tech Stack Backend: Node.js, TypeScript, Python Data: PostgreSQL Architecture: Microservices, Event-driven systems Infrastructure: AWS (ECS, Lambda, RDS, S3), Terraform, CI/CD Frontend (context): React, Next.js, TypeScript What We’re Looking For ✔ 4–7+ years of backend engineering experience ✔ Strong experience with TypeScript, Node.js and Python ...

Software Engineer

Hiring Organisation
Harper Fox Partners
Location
City of London, London, United Kingdom
attribution, and execution analytics. You’ll work across both new development and system migration, helping move legacy systems into a modern, event-driven, cloud-based environment. ✅ What You’ll Bring 🔹 5+ years’ experience building backend or data-intensive systems 🔹 Strong skills in Java and Python (core Java/… Solid knowledge of SQL and analytical databases (Snowflake a plus) 🔹 Experience with AWS/cloud technologies (Batch, Step Functions, Docker, etc.) 🔹 Understanding of event-driven architectures (Kafka, Kinesis, etc. beneficial) 🔹 Experience in financial markets/trading/risk/P&L analytics preferred 🔹 Strong communication skills and ability ...

Full Stack .Net Developer

Hiring Organisation
Stratospherec Ltd
Location
Croydon, Greater London, United Kingdom
Employment Type
Permanent
Salary
£50000 - £60000/annum Excellent Benefits package
looking for a developer with a strong background in C#, .Net core, NoSQL databases, ElasticSearch and with some experience of building asynchronous, event-driven systems in Lambda + SQS, or equivalent patterns. Ideal skills: Experience building systems with real users in production Strong, modern C#/.NET experience … production systems Deep experience with at least one major cloud platform (AWS preferred; Azure/GCP also relevant) Experience building asynchronous, event-driven systems (e.g. Lambda + SQS, or equivalent patterns) Solid understanding of data modelling across relational and non-relational stores (e.g. SQL, NoSQL, Elasticsearch) Experience applying ...

Senior Site Reliability Engineer (SRE)

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
London, United Kingdom
Employment Type
Contract
operational efficiency, ensuring services remain available under heavy load. Drive containerisation best practices and manage Kubernetes-based workloads at scale. Build and maintain event-driven architectures that scale globally while ensuring fault-tolerance and high availability. Automate infrastructure provisioning, deployment, and monitoring using Infrastructure as Code (Terraform, CloudFormation … Proven track record in incident response and troubleshooting at scale. Hands-on experience with infrastructure automation and CI/CD pipelines. Experience designing event-driven architectures and resilient systems. High level of autonomy, able to influence platform-wide decisions and architect for reliability across services. Ability and desire ...

Lead .NET/Full Stack Developer - Hybrid - Up to £700/day Outside IR35 | C# | Azure | Event Driven Systems | Payments | API Driven

Hiring Organisation
VirtueTech Recruitment Group
Location
London Area, United Kingdom
building on top of a modern, cloud-native platform built with .NET and Azure , designed around API-first architecture and event-driven microservices . The platform supports complex payment flows, partner integrations, and high-volume transaction processing. This is a hands-on technical role where you’ll help … Initial 6-month contract , Responsibilities Lead the design and development of high-performance .NET services powering a global payments platform Build and scale event-driven microservices running in Azure Drive best practices across architecture, coding standards, observability, and reliability Work closely with product teams to design API-driven ...

Lead Integration Engineer

Hiring Organisation
The Curve Group
Location
City of London, London, United Kingdom
Employment Type
Permanent
platform engineers, business analysts, and delivery managers to ensure integrations meet business requirements and technical standards. Champion best practices for API-led connectivity, event-driven architectures, and pub/sub messaging patterns. What's required: Strong experience with .NET (C#) for APIs and integration components. Hands-on with … pipelines, version control (Git/Azure DevOps), and relational/non-relational databases. Understanding of integration patterns (pub/sub, API-led, event-driven) and security standards (OAuth2, JWT, TLS, API security). Excellent problem-solving, communication, and collaborative skills; adaptable to changing business needs. A fantastic opportunity ...

Lead Integration Engineer

Hiring Organisation
The Curve Group
Location
City of London, London, United Kingdom
Employment Type
Contract
platform engineers, business analysts, and delivery managers to ensure integrations meet business requirements and technical standards. Champion best practices for API-led connectivity, event-driven architectures, and pub/sub messaging patterns. What's required: Strong experience with .NET (C#) for APIs and integration components. Hands-on with … pipelines, version control (Git/Azure DevOps), and relational/non-relational databases. Understanding of integration patterns (pub/sub, API-led, event-driven) and security standards (OAuth2, JWT, TLS, API security). Excellent problem-solving, communication, and collaborative skills; adaptable to changing business needs. A fantastic opportunity ...

Senior Platform Engineer

Hiring Organisation
F5
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum
hands-on engineering role, not a generic software position. You'll be designing and building Azure-based integration platforms using modern, event-driven patterns. You will be working closely with architects, DevOps teams and client stakeholders. Location & travel UK-based, flexible working 3-4 days per month … client site in London Occasional Bristol office time (once per month) What you'll do Design and deliver Azure-native integration solutions Build event-driven and message-based architectures using Azure Service Bus and Event Grid Develop APIs, workflows and serverless components with Azure Functions, Logic Apps ...

Head of Engineering

Hiring Organisation
XACT PLACEMENTS LIMITED
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
development pathways Partnering with Product Design to deliver intuitive, robust enterprise workflows Tackling complex technical challenges across large-scale data pipelines, secure access, event-driven systems, and multi-tenant architectures Embedding Agile, DevOps, and best practices into the engineering organisation What theyre looking for: 10+ years of experience … Airflow, Kafka, Serverless Solid understanding of SaaS fundamentals: onboarding, authentication, SSO, granular authorisation, multi-tenancy Familiarity with workflow orchestration, asynchronous tasks, and event-driven architecture Ideally, exposure to cybersecurity platforms or large-scale security data systems Why join? Competitive compensation & benefits Key leadership role in a high-growth ...

Head of Applications

Hiring Organisation
XACT PLACEMENTS LIMITED
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
development pathways Partnering with Product Design to deliver intuitive, robust enterprise workflows Tackling complex technical challenges across large-scale data pipelines, secure access, event-driven systems, and multi-tenant architectures Embedding Agile, DevOps, and best practices into the engineering organisation What theyre looking for: 10+ years of experience … Airflow, Kafka, Serverless Solid understanding of SaaS fundamentals: onboarding, authentication, SSO, granular authorisation, multi-tenancy Familiarity with workflow orchestration, asynchronous tasks, and event-driven architecture Ideally, exposure to cybersecurity platforms or large-scale security data systems Why join? Competitive compensation & benefits Key leadership role in a high-growth ...

LLM Engineer

Hiring Organisation
Helika
Location
City of London, London, United Kingdom
3. Strategic Scalability Evolving Architecture: While you ship fast, you will ensure we don't code ourselves into a corner. You will design event-driven systems (NATS/Kafka) that allow us to scale 10x without a rewrite. Owner Mindset: You will treat the product as your own. … hallucination. Architecture background: 10+ years in engineering, with a track record of designing systems that survived rapid scaling. Experience with Microservices and Event-Driven Architecture. Infrastructure: Solid grasp of AWS and Kubernetes—you can fix a broken pipeline or deploy a container without waiting for a dedicated DevOps ...

Data Architect

Hiring Organisation
RedHolt
Location
City of London, London, United Kingdom
Responsibilities • Lead the architecture and design of enterprise data platforms supporting large transformation programmes. • Define modern architectures including lakehouse platforms, distributed analytics, and event-driven systems. • Provide oversight of data engineering environments, including ETL/ELT pipelines, orchestration, and DataOps practices. • Ensure platforms are secure, scalable, resilient … ability to translate architecture into business value. Technical Skills • Cloud platforms: Azure, AWS, or GCP • Data lakes, warehouses, and lakehouse architectures • Streaming and event-driven architectures • Data modelling, SQL, and modern data engineering tools • API-led and event-based integration patterns ...

Senior Full Stack Engineer

Hiring Organisation
Hera
Location
London Area, United Kingdom
services Work with a close-knit engineering team in a high-performing culture built on trust, clarity and psychological safety Take ownership of event-driven architecture using Node.js, TypeScript, DynamoDB and AWS Lambda, and build frontend applications in React/TypeScript Shape reusable software components across the stack … frontend and backend services Write clean, maintainable code using TypeScript (Node.js backend) Design reusable components and patterns that scale across the platform Build event-driven applications using AWS Lambda and AWS API Gateway Contribute to modern frontend development (e.g., React or similar), ensuring great UX and accessibility Deliver ...

Lead AI Automation Engineer

Hiring Organisation
PaymentGenes
Location
City of London, London, United Kingdom
workflows in Power Automate Connect AI agents to CRM, ERP, Finance, Support, and internal systems Automate document processing, approvals, reconciliations, and reporting Build event-driven workflows across email, Teams, APIs, and databases Architect Agent Systems Modular task decomposition Guardrails and validation layers Structured output validation (JSON schemas, rule … Codex) Prompt engineering & evaluation frameworks RAG architectures Embeddings & vector search (desirable) Orchestration & Automation Agent orchestration frameworks (e.g. Antigravity) Power Automate API-first integrations Event-driven architectures Engineering Python REST APIs SQL Git-based version control Secure secrets handling What We’re Looking For 5–8+ years in automation ...

Hasura DDN Integration Engineer

Hiring Organisation
James Chase
Location
City of London, London, United Kingdom
system with several external services. The project requires expertise in Hasura, GraphQL, and microservices-based architectures, with a focus on building scalable and event-driven integrations across multiple systems. This is a hands-on contract role, ideally suited to a senior integration engineer with strong experience in Hasura … including GraphQL schema design and API access controls Building custom data connectors and integrating with third-party REST APIs Developing webhook handlers and event-driven workflows Implementing data transformation, mapping, and validation logic between systems Ensuring integrations include error handling, monitoring, and observability Producing technical documentation and supporting ...