26 to 37 of 37 Contract Event-Driven Jobs

Senior Java Engineer - Algorithmic Trading

Hiring Organisation
McGregor Boyall Associates Limited
Location
London, United Kingdom
Employment Type
Contract
scalability improvements in a low-latency environment The tech environment Core Java (concurrency, NIO, GC tuning) Low latency/high throughput systems Event-driven architectures FIX and market connectivity Modern CI/CD tooling What they're looking for Strong Java engineers who understand performance, concurrency and real ...

Salesforce OMS Developer

Hiring Organisation
Square One Resources
Location
Nottingham, Nottinghamshire, United Kingdom
Employment Type
Contract
Contract Rate
£455/day
order lifecycle, fulfillment orchestration, inventory visibility, returns, and cancellations. Build Apex, LWC, Flows, Triggers, and other platform components. Implement REST/SOAP APIs, event-driven integrations, and coordinate with upstream/downstream systems (Commerce, ERP, WMS). Participate in Agile ceremonies, deliver user stories end-to-end, support ...

Salesforce Architect

Hiring Organisation
167 Solutions Ltd
Location
United Kingdom
Employment Type
Contract
Contract Rate
From £500 to £600 per day
Responsibilities Own end-to-end Salesforce solution architecture Design scalable solutions across Sales Cloud, Service Cloud, Experience Cloud Define integration architecture (API-led, event-driven architecture) Provide technical leadership to development teams Collaborate with senior stakeholders to define roadmaps and technical strategy Ensure governance, security and platform best ...

Salesforce Architect

Hiring Organisation
167 Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £600 per day
Responsibilities Own end-to-end Salesforce solution architecture Design scalable solutions across Sales Cloud, Service Cloud, Experience Cloud Define integration architecture (API-led, event-driven architecture) Provide technical leadership to development teams Collaborate with senior stakeholders to define roadmaps and technical strategy Ensure governance, security and platform best ...

Technical Architect - SC Clearance

Hiring Organisation
True North Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £550 per day
analysis 50% hands on engineering (poc/dev, troubleshooting supporting lead devs with technical decision making) 25% design 25% governance/assurance Event driven architecture is useful The roles are inside IR35 and have a rate of £500-550 per day. Given the urgency of the roles ...

Siemens Opcenter - Senior Solutions Architect

Hiring Organisation
Apsley Recruitment Ltd
Location
West London, London, United Kingdom
Employment Type
Contract
systems (e.g. SAP/JDE), and downstream/upstream R&D, quality, and manufacturing systems. Provide architectural guidance on: API-based integrations Event-driven and batch patterns Data quality, lineage, and lifecycle management Review and assure integration designs delivered by system integrators and vendors. R&D Digital Enablement ...

Contract Data Architect - London Market - £700/pd

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£650 - £700 per day
Comfortable working in complex, multi-stakeholder environments Able to translate between business requirements and technical design Experience supporting modern data platforms (cloud, APIs, event-driven or integration layers) Highly Desirable Experience working with emerging AI technologies, advanced analytics, or data products Familiarity with London Market modernisation initiatives ...

Contract Solutions Architect

Hiring Organisation
Harvey Nash
Location
Bracknell, Berkshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£650 per day
bespoke applications.- Strong prior experience working with Salesforce CRM, SAP ERP and global enterprise platforms.- Strong understanding of modern integration patterns (API led, event driven, middleware, data synchronisation)If you'd be open to learning more about this role, please apply with your most up-to-date ...

Principal Architect - Banking, APIs, Kafka, Cloud Platforms

Hiring Organisation
Robert Walters
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£100,000 - £120,000 per annum
channels and third-party ecosystems. Key responsibilities: Design end-to-end integration solutions across APIs, data platforms and external services Drive adoption of event-driven architecture, microservices and API-first design Oversee API lifecycle management including governance, security and performance Support cloud transformation and hybrid integration across Azure … Architecture within financial services or large enterprises Strong knowledge of API gateways, Kafka/MQ, ESB/iPaaS platforms Experience with REST APIs, event-driven systems and distributed architectures Understanding of data platforms, real-time vs batch processing and AI/ML integration Familiarity with GDPR, DORA ...

Senior C# Engineer - Agentic AI, AWS, .Net 9

Hiring Organisation
Smart Sourcer Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
From £800 to £900 per day
access patterns, indexing, query tuning, single-table vs multi-table trade-offs, and pragmatic thinking around consistency, scaling and cost. Proven experience designing event-driven systems with SQS and adjacent AWS messaging; idempotency, retries, ordering, DLQs and operational robustness. Strong API design sensibility ; versioning, documentation, throttling, backwards compatibility … primarily serverless on AWS Lambda , setting the technical bar for the squad and delivering major feature sets end-to-end. Build resilient, event-driven systems using SQS and related AWS messaging primitives; idempotency, retries, DLQs, ordering and clean service boundaries. Leverage Claude Code, advanced agentic workflows and native ...

Scala Developer

Hiring Organisation
Teksystems
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £900/day
trading needs and deliver robust, fit-for-purpose trading solutions. Contribute to the design and implementation of high-performance, distributed system architectures, including event-driven and low-latency patterns. Use Python for analytics, tooling, or supporting components where appropriate to complement the core Scala-based platforms. Apply functional … practical application in production systems. Hands-on experience designing and building high-performance, distributed systems. Practical understanding of high-performance system patterns, including event-driven and low-latency architectures. experience working within Agile delivery teams and collaborating closely with cross-functional stakeholders. Ability to gather, interpret, and translate ...

Salesforce Solution Architect

Hiring Organisation
Stackstudio Digital Ltd
Location
Wokingham, Berkshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £500 to £525 per day
Enterprise Systems Architect and oversee integrations with enterprise systems including ERP, Billing, Middleware, and Data Platforms Design solutions using REST/SOAP APIs, event-driven architecture, and asynchronous processing Leverage middleware platforms (MuleSoft preferred) for complex integration scenarios Ensure integrations are resilient, scalable, with proper error handling, logging … data architecture Proven experience delivering large-scale, enterprise Salesforce implementations Strong integration architecture expertise, including: REST and SOAP APIs Middleware platforms Asynchronous and event-driven processing Ability to define scalable, secure enterprise architectures aligned to business strategy Excellent communication, leadership, and stakeholder management skills Desirable Skills/Knowledge ...