1 to 25 of 44 Middleware Jobs in London

Salesforce/SFI Solution Architect

Hiring Organisation
Lawrence Harvey
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £700/day
Preferred) . Experience designing and implementing: REST/SOAP APIs Event-driven and batch integration patterns Real-time and asynchronous integrations Data synchronisation and middleware orchestration Ability to define integration patterns, error handling, monitoring, and security controls. Preferred Skills Experience with Salesforce Financial Services Cloud or Insurance-specific Salesforce implementations ...

Booking and Messaging Java Developer (COMBJP00001223)

Hiring Organisation
Randstad Technologies
Location
London, UK
Employment Type
Full-time
Java Expertise: Strong background in Java 8 or higher, with an elite understanding of multithreading, concurrency models, and non-blocking asynchronous processing. Messaging & Streaming Middleware: Heavy production experience with modern event-driven architectures and distributed streaming tools (e.g., Apache Kafka, RabbitMQ, ActiveMQ, or standard JMS APIs). Reactive Systems: Practical ...

Booking and Messaging Java Developer (COMBJP00001223)

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600/day Negotiable
Java Expertise: Strong background in Java 8 or higher, with an elite understanding of multithreading, concurrency models, and non-blocking asynchronous processing. Messaging & Streaming Middleware: Heavy production experience with modern event-driven architectures and distributed streaming tools (e.g., Apache Kafka, RabbitMQ, ActiveMQ, or standard JMS APIs). Reactive Systems: Practical ...

Senior Technical Lead

Hiring Organisation
Nextech Group Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
roadmap. Build workflow automations in JavaScript and Python - ticket routing, billing triggers, licence lifecycle, CRM sequences, alert-to-action logic. Build and maintain Azure middleware (Logic Apps, API Management, Service Bus) as IaC via Terraform through a CI/CD pipeline. Iterate the acquisition onboarding playbook. What we're looking ...

Full Stack Engineering Lead, Vice President

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
have Experience on observability and monitoring tech stack. Understanding of Gen AI based productivity tools such as Microsoft Co‐Pilot, Deven etc. Understanding middleware like Tibco RV, EMS, Solace, Kafka etc. Understanding of Python, Gen AI will be plus. What we can offer you Be part of a strategic team ...

SAP Technical Architect

Hiring Organisation
Hirexa Solutions UK
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 per day
landscape design, system copying, client deletion, and data archiving strategies. Strong knowledge of SAP interface technologies including ALE, IDoc, RFC, and third-party middleware integration. Excellent English communication and stakeholder management skills, with the ability to explain complex technical concepts to non-technical business leaders. Strong analytical and problem-solving ...

IT Solutions Manager - ERP, Procurement, HR, Finance Systems

Hiring Organisation
Develop
Location
West London, London, United Kingdom
Employment Type
Permanent
Salary
£75,000
bring structure to complex initiatives, and drive outcomes across cross-functional teams Desirable Experience implementing agile ways of working across global organisations Knowledge of middleware, integration platforms, and enterprise infrastructure technologies Strong negotiation and conflict resolution capabilities with internal and external stakeholders Candidate Profile The ideal candidate will ...

AI Deployment Engineer

Hiring Organisation
Artis IT
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
implement robust integrations between AI solutions and core business systems (CRM, ERP, SaaS platforms and internal tools) Build and maintain APIs, webhooks and middleware to enable seamless system-to-system communication Take AI prototypes into production by hardening, scaling and optimising for reliability and performance Implement monitoring, logging and alerting ...

AI Deployment Engineer

Hiring Organisation
Emponics
Location
City of London, London, United Kingdom
Employment Type
Permanent
data serving Integrate AI solutions into the existing business ecosystem: CRMs, ERPs, SaaS tools, and internal systems Build and maintain APIs, webhooks, and middleware that allow AI agents to interact with business systems Take Strategist-built prototypes to production-grade hardening, scaling, and ensuring reliability Set up monitoring, logging ...

Head of Engineering, SAP/Oracle Platform & Transformation (HR and Finance)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
transformation programme from a technical perspective Lead and shape integration patterns between SAP, Oracle and surrounding systems, including middleware and service based architectures Contribute to SAP decoupling strategies where appropriate, enabling more flexible and modular platforms Work closely with Product and functional teams who define business processes, providing technical input ...

Software Architect

Hiring Organisation
X4 Group
Location
London, UK
Employment Type
Full-time
environments. Understanding of regulated technology environments and governance frameworks. Exposure to SOX compliance. TOGAF, Archimate, Azure Solution Architect, or similar certifications. Experience delivering integration, middleware, or data platform programmes. What's on Offer Outside IR35 engagement. Immediate start. Hybrid working with onsite presence in either London or Dublin. Opportunity ...

Software Architect

Hiring Organisation
X4 Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Competitive salary
environments. Understanding of regulated technology environments and governance frameworks. Exposure to SOX compliance. TOGAF, Archimate, Azure Solution Architect, or similar certifications. Experience delivering integration, middleware, or data platform programmes. What's on Offer Outside IR35 engagement. Immediate start. Hybrid working with onsite presence in either London or Dublin. Opportunity ...

Founding Enterprise Architect

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
integration patterns across SAP(Ariba, S/4HANA, ECC), Oracle, Workday, Coupa, Ivalua, Jaggaer, and others. Hands‐on fluency with integration architecture and middleware: iPaaS (MuleSoft, Boomi, Workato), REST APIs, event‐driven patterns, ETL. Proven success selling into or implementing at Fortune 500/FTSE 100 customers across multiple EMEA ...

AI Deployment Engineer

Hiring Organisation
Emponics
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £130,000 per annum, Negotiable
data serving • Integrate AI solutions into the existing business ecosystem: CRMs, ERPs, SaaS tools, and internal systems • Build and maintain APIs, webhooks, and middleware that allow AI agents to interact with business systems • Take Strategist-built prototypes to production-grade — hardening, scaling, and ensuring reliability • Set up monitoring, logging ...

Major Incident /Production Support Manager (iBank/Temp)

Hiring Organisation
Robert Walters
Location
London, South East, England, United Kingdom
Employment Type
Temporary
Salary
£400 - £600 per day
drive cross-technology recovery, and influence decisions that directly impact operational stability. What you'll do: Lead and coordinate major incidents across infrastructure, applications, middleware, cloud, EUC, network, identity, data, and third parties Establish and manage incident command structure, including team roles, bridge calls, and communications, ensuring clear ownership ...

Salesforce Architect

Hiring Organisation
Gazelle Global Consulting Ltd
Location
London, United Kingdom
Employment Type
Contract
defining end-to-end Salesforce architecture across Sales Cloud, Service Cloud, Commerce Cloud, Data Cloud, and Marketing Cloud, leading complex integrations via APIs and middleware, establishing data and security governance, conducting architecture reviews, and driving technical quality across the platform. You will collaborate closely with solution architects, delivery leads, developers ...

CyberArk Secret Manager Engineer (AAM) - CISO / IDAM

Hiring Organisation
Salt Search
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £1,000 per day
Credential Provider (CCP) Application Service Credential Provider (ASCP) Design and implement solutions for secure management of service and application accounts Integrate CyberArk with applications, middleware, databases, and enterprise systems Configure and manage Safes, platforms, and access control policies Ensure adherence to the principle of least privilege Automate processes using PowerShell ...

Application Designer

Hiring Organisation
Halian Technology Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
From £450 to £500 per day
design, code and testing artefacts Ensuring quality, completeness and accuracy across deliverables Technical Environment Core Technologies Platforms: Linux (Red Hat Enterprise Linux) Integration & Middleware: IBM App Connect Enterprise (ACE) v12/v13 IBM WebSphere MQ v9 Databases: Oracle 19 (SQL, PL/SQL, data modelling) Messaging & Data Formats ...

Application Design Analyst - IBM Application Connect Enterprise

Hiring Organisation
Base 3
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
proven analytical and design skills. We also require the Application Design Analyst Contractor to have expertise in the following: Platforms: Linux (RHEL) Languages & Middleware ACE v12/v13 - Configuration, Administration and Development WebSphere MQ v 9.0 - MQ design Oracle 19 - SQL, PL/SQL, Database design Messaging ...

SAP TM Developer

Hiring Organisation
Ubique Systems UK Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Develop and enhance EWM/TM -related objects such as: Enhancements/BADIs/User exits, custom reports, interfaces IDoc/RFC/Proxies, Middleware integrations OData services/CDS views, ABAP OO, performance optimization Adobe Form outputs (labels, delivery/warehouse documents) RF Framework enhancements/screens Support technical ...

Linux Engineer

Hiring Organisation
VIQU IT
Location
London, Tower, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £550/day
Level 2 hardening enforced across all systems. The programme spans a broad and complex application estate — including core banking platforms, identity infrastructure, integration middleware, containerised workloads, and legacy line-of-business applications. This role requires someone who can build and maintain the hardening automation pipeline and also operate effectively ...

IT Deployment Engineer

Hiring Organisation
Ganymede Solutions
Location
Bromley, Bromley Town, Greater London, United Kingdom
Employment Type
Contract
testing. You will be comfortable working with operational stakeholders and third-party suppliers, bringing a personable and proactive approach to problem solving. Experience with middleware platforms would be highly advantageous, as would exposure to cloud technologies such as AWS. Candidates with experience in retail, EPOS or payment systems environments ...

Salesforce Vlocity CPQ Architect

Hiring Organisation
IBU CONSULTING LTD
Location
London, United Kingdom
Employment Type
Contract
components including OmniScripts, DataRaptors, Integration Procedures, and FlexCards. Ensure seamless integrations between Salesforce Industries and external OSS/BSS systems, billing platforms, CRM, ERP, middleware, and order management systems. Define integration patterns using REST/SOAP APIs, Platform Events, middleware platforms, and microservices architecture. Lead architecture governance, code reviews, solution … Strong Salesforce platform knowledge including Apex, Lightning Web Components (LWC), Flows, and APIs. Experience integrating Salesforce with external systems using REST, SOAP, ETL, and middleware technologies. Knowledge of Salesforce security architecture, governor limits, and platform best practices. Experience with DevOps tools such as Git, Copado, Gearset, Jenkins, or Azure DevOps. ...

Technology & Solution Lead – Workforce Management

Hiring Organisation
Intec Select Ltd
Location
London, Billingsgate, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £750/day
knowledge between Time, HR, Scheduling, and Payroll systems. Excellent documentation and stakeholder communication skills (technical and non-technical). Experience with common platforms and middleware (e.g., UKG/ATOSS, SAP, Workday, Boomi, MuleSoft, CPI). Details: £750 P/D (Inside IR 35) Hybrid role (2 days P/ ...

Integration Specialist – Workforce Management

Hiring Organisation
Intec Select Ltd
Location
London, Billingsgate, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £750/day
Time results to payroll engines (hours, premiums, exceptions, retro adjustments) Scheduling data exchange (planned shifts, changes, absences interplay) Implement secure integration patterns (API, file, middleware), including encryption, error handling, retries, and monitoring Develop reconciliation and control reports to ensure end-to-end completeness and accuracy Support SIT/ ...