20 of 20 Contract Event-Driven Jobs in London

Senior C# .Net Developer

Hiring Organisation
ARM
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500/day Umbrella Inside IR35
problem-solving capability Good stakeholder communication Desirable Banking, Capital Markets or Financial Services Azure Docker/Kubernetes Kafka, RabbitMQ or Azure Service Bus Event-driven architectures React/Angular Cloud-native development Application observability and performance engineering DevSecOps and secure coding Preferred Stack C# | .NET Core/.NET ...

Software Development Engineer

Hiring Organisation
Deerfoot Recruitment Solutions
Location
Hounslow, London, United Kingdom
Employment Type
Contract
Contract Rate
£350 - £430 per day + Hybrid Working
produce Desirable : airline or airport operations (flight operations, weight and balance, load control, baggage or ramp), mission-critical, safety-critical or regulated systems, event-driven or service-oriented architectures, observability, monitoring or SRE, SQL, AI-DLC practices, AI-powered or agentic software Apply today with your ...

Senior AWS DevOps Engineer

Hiring Organisation
Stott & May Professional Search Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600 per day
risk management across ITSM activities. Automate operational processes, including incident response, failover, scaling and recovery. Implement self-healing mechanisms using auto-remediation, event-driven workflows and AI/ML-assisted operations where applicable. Implement Infrastructure as Code (IaC) and reduce manual effort through CI/CD pipelines, automated ...

Engineering Manager, Java, AWS

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £750 per day
operationally robust. Skills & Experience Proven experience leading software engineering teams. Strong software development background. AWS, Java and/or TypeScript. Microservices and event-driven architectures. Container technologies (Docker/Kubernetes). SQL and NoSQL databases. CI/CD, TDD/BDD and Agile delivery methodologies. ...

Full Stack Developer

Hiring Organisation
MJA (London) Ltd
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
experience: MongoDB, Express.js, Angular, Node.js, C#/.NET Core 10+ and SQL Server 19+. Programming: JavaScript and TypeScript Architecture: Microservices and distributed applications Event-Driven Architecture: Apache Kafka Kafka: Producers, consumers, topics, partitions and consumer groups Cloud: AWS application deployment and support DevOps: CI/CD pipeline implementation ...

Full Stack Developer

Hiring Organisation
MJA (London) Ltd
Location
EC3, Broad Street, Greater London, United Kingdom
Employment Type
Contract
experience: MongoDB, Express.js, Angular, Node.js, C#/.NET Core 10+ and SQL Server 19+. Programming: JavaScript and TypeScript Architecture: Microservices and distributed applications Event-Driven Architecture: Apache Kafka Kafka: Producers, consumers, topics, partitions and consumer groups Cloud: AWS application deployment and support DevOps: CI/CD pipeline implementation ...

Senior AI Platform Engineer - MCP AWS Agentic AI

Hiring Organisation
Method-Resourcing
Location
London, United Kingdom
Employment Type
Contract
engineering projects, making architectural decisions and mentoring other engineers. Desirable: Python, FastAPI, LangGraph, LangChain or similar AI frameworks. JSON-RPC, SSE, WebSockets and event-driven architectures. Experience with RAG, LLM function calling and context management. An interest in sport and the sports betting industry. Why Consider This Opportunity ...

Solutions Architect - Active SC Applications Only

Hiring Organisation
ARM
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600/day Umbrella Inside IR35
across multiple products or services rather than a single technology stack. Experience designing modern applications and services using approaches such as APIs, microservices, event-driven integration and cloud-native patterns. Good understanding of the relationship between application architecture, infrastructure and software engineering. Experience working directly with software engineers ...

Head of Software Engineering

Hiring Organisation
itecopeople
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650/day INSIDE IR35
collaboration and accountability. Assess engineering maturity, identify priority improvements and drive practical changes during the assignment. Support cloud-native transformation across Microsoft Azure, event-driven architecture, platform engineering and automation. Work with senior stakeholders to balance delivery priorities, engineering quality, technical health and cost. What we're looking ...

Dynamics Integration Specialist

Hiring Organisation
Vivo Talent
Location
Kingston Upon Thames, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 70,000 - 71,000 Annual
Management and Data Factory, alongside Power Automate. Solid understanding of Dynamics 365 data models, entities, security models and integration patterns, including event-driven, batch and request/response architectures. Experience with data mapping, transformation, migration, reconciliation, error handling and retry strategies, alongside development skills in C#/.NET ...

OPEN Senior KDB+ / q Software Engineer

Hiring Organisation
Matchtech
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£545 - £730/day
Experience within Financing, Securities Lending, Prime Brokerage or Risk domains. Experience integrating KDB platforms with Java and/or Python applications. Knowledge of event-driven and messaging architectures such as Kafka . Excellent communication and stakeholder management skills. Desirable Experience Experience working directly with trading desks and quantitative ...

Software Engineering Manager

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract, Part Time
Salary
£700 - £750 per day
bringing clarity to complex problems Technical background Experience with most of the following is desirable: TypeScript, Java, AWS and wider cloud architecture, event-driven and microservices architecture, containers, relational and NoSQL databases, TDD/BDD and CI/CD. The business has a culture built on growth, inclusion ...

Lead Product Manager

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £780/day
operational excellence. * Cloud Migration & Modernisation Define migration strategies including rehosting, refactoring, replatforming, and containerisation. Design modern architectures involving microservices, serverless, APIs, and event driven patterns. * Stakeholder Engagement Act as the technical counterpart to product owners, business stakeholders, and delivery managers. Communicate complex cloud concepts in clear, non technical ...

ServiceNow Technical Architect

Hiring Organisation
Initialize IT
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Architecture Review Board, reviewing and approving all High-Level and Low-Level Designs before build Define integration architecture standards (REST/SOAP, event-driven patterns, MID Server strategy) and oversee northbound/southbound integration design Establish CI/CD pipeline governance, update set promotion standards, and environment strategy ...

Enterprise Architect

Hiring Organisation
Data Careers
Location
South East London, London, United Kingdom
Employment Type
Contract
Contract Rate
£900 - £1000 per day
transition planning Identification of technology risks and opportunities Alignment with strategic technology roadmaps Exposure to areas including Zero Trust Architecture, Agentic AI and Event-Driven Architectures The role will also support work relating to Identity and Access Management, enterprise integration, user lifecycle management and cross-domain information sharing. ...

Test Engineer - SC Cleared

Hiring Organisation
Gazelle Global Consulting Ltd
Location
London, United Kingdom
Employment Type
Contract
Clearance: active, previously held or eligible for SC Join Agile, multidisciplinary teams delivering digital services for a central government department, across microservices and event-driven systems on AWS and Kafka. You will embed quality from framework design to production validation, alongside developers, BAs and product owners. - Build scalable … testing to product risks - Report test, risk and defect traceability to stakeholders - Enhance CI/CD pipelines for continuous testing - Test cloud and event-driven systems using AWS (S3, Lambda, DocumentDB) and Kafka - Support performance and load testing with K6 - Java automation: Selenium WebDriver, REST Assured, Playwright, Cucumber ...

Solutions Architect

Hiring Organisation
ARM
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £675/day
across multiple products or services rather than a single technology stack. Experience designing modern applications and services using approaches such as APIs, microservices, event-driven integration and cloud-native patterns. Good understanding of the relationship between application architecture, infrastructure and software engineering. Experience working directly with software engineers … Terraform. Understanding of containerisation and orchestration technologies. Experience with automated testing, deployment pipelines and environment management. Experience of integration architecture, API management and event-driven architectures. Experience working with architecture modelling tools and maintaining architecture repositories. Knowledge of architecture frameworks, patterns and technology standards. Disclaimer: This vacancy ...

Java Low Latency Engineer

Hiring Organisation
DCV Technologies
Location
London, United Kingdom
Employment Type
Contract
Latency Engineer with strong expertise in Java performance optimization, JVM tuning, and high-performance system development. The ideal candidate will have experience building event-driven, concurrent systems designed for low-latency and high-frequency environments Required Skills & Experience Strong Core Java and JVM performance tuning expertise. Excellent knowledge ...

Java Software Engineer (Java/Low Latency/Aeron)

Hiring Organisation
Scope AT Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
combines technical strategy, architecture, and execution across latency-sensitive platforms. Responsibilities Lead design and evolution of low latency distributed systems. Architect high-throughput event-driven and messaging platforms. Drive performance, resiliency, and scalability improvements. Mentor engineers across concurrency, JVM tuning, and distributed systems. Partner with leadership on platform … latency system design, concurrency, and JVM internals. Experience with Aeron or comparable high-performance messaging technologies. Deep understanding of distributed systems and event-driven architectures. Familiarity with Linux, networking, profiling, and performance tuning. Proven ability to lead complex technical initiatives in demanding environments. Preferred Experience with ultra ...

Software Engineer - High-Performance Java / Low Latency

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £450/day Inside IR35 via Umbrella
Principal Risk. In this role, you will work closely with CRB to drive key EMEA and US regional projects, developing low-latency, event-driven trading platforms. Core Responsibilities Design, build, and optimize high-throughput, low-latency concurrent systems for agency liquidity expansion. Perform fine-grained JVM tuning, garbage … Solid foundation in low-level Java APIs (Unsafe, JNI, JNR-FFI), CPU architecture, shared memory, and memory-mapped files. Architecture & Concurrency: Mastery of event-driven/reactive designs, multi-threading, concurrent programming patterns, and core Data Structures & Algorithms. Networking & OS Internals: Strong hands-on knowledge of networking protocols ...