1 to 25 of 45 Middleware Jobs in London

Senior SAP Solution Architect

Hiring Organisation
Stealth iT Consulting
Location
London Area, United Kingdom
related domains Experience with SAP technical architecture including environments, security, identity management, transport management, and non-functional design Strong integration knowledge covering APIs, middleware, SAP Integration Suite, and enterprise ecosystems Understanding of SAP data migration, governance, quality management, and cutover planning Experience working across cloud, on-premise, and hybrid ...

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 ...

Software Developer

Hiring Organisation
X4 Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Competitive salary
microservice design patterns, containerisation, and orchestration technologies. Experience working within regulated environments. Familiarity with Azure-native services and cloud architecture principles. Experience delivering integration, middleware, or data platform solutions. What's on Offer Outside IR35 engagement. Immediate start. Hybrid working with onsite presence in either London or Dublin. Opportunity ...

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 ...

Salesforce Senior Developer

Hiring Organisation
Mason Frank
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £85,000 per annum
strong understanding of the platform Proficiency in Apex, Lightning Web Components (LWC), SOQL, and Salesforce APIs Experience with integrations (REST/SOAP APIs, middleware tools) Strong knowledge of Salesforce architecture and best practices Experience working in Agile environments Salesforce certifications (e.g. Platform Developer I/II) highly desirable Excellent problem ...

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 ...

SAP Program Manager – Carve-Out Programs

Hiring Organisation
Hirexa Solutions UK
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £100,000 per annum
solution architects for landscape decisions: System carve-out vs. new implementation Selective data transition Ensure integration continuity across SAP and non-SAP systems (interfaces, middleware, third-party tools). 4. Stakeholder & Client Management Engage with senior business stakeholders (CXO level) and IT leadership. Act as the primary point of contact ...

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 ...

SAP Program Manager

Hiring Organisation
Hirexa Solutions UK
Location
Paddington, London, England, United Kingdom
Employment Type
Temporary
Salary
£100,000 per annum
solution architects for landscape decisions: System carve-out vs. new implementation Selective data transition Ensure integration continuity across SAP and non-SAP systems (interfaces, middleware, third-party tools). 4. Stakeholder & Client Management Engage with senior business stakeholders (CXO level) and IT leadership. Act as the primary point of contact ...

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 ...

Software Engineer / Integration Specialist

Hiring Organisation
Ncounter
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£650 - £750 per day
will be key. Key experience required: • Active DV Clearance • Experience designing, developing, and integrating enterprise applications and services • Strong understanding of APIs, REST services, middleware, messaging, and event-driven architectures • Background delivering within Defence, National Security, Banking, Healthcare, Energy, or other highly regulated sectors • Ability to support interoperability between legacy ...

Integration Engineer

Hiring Organisation
Intec Select
Location
London Area, United Kingdom
support system integrations. Support testing activities including system integration testing and user acceptance testing. Skills & Experience Essential: 5+ years' experience in Integration Engineering, Middleware Development, Systems Integration, or a similar technical role. Strong hands-on experience developing integrations between enterprise platforms such as Microsoft Dynamics 365, WMS, TMS, or other ...

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 ...

ServiceNow Solution Architect

Hiring Organisation
Aptimized
Location
London Area, United Kingdom
Work Assignment & Routing Virtual Agent, Chatbots & Conversational AI Knowledge Management SLA & Entitlement Management CSM/FSM Workspace Customer Portals & Mobile Applications Enterprise Integrations (APIs, middleware, external systems) Qualifications Functional Expertise Deep understanding of customer service operations and business processes Experience with requirements gathering, solution design, testing, and Agile delivery Strong ...

SAP BTP Architect

Hiring Organisation
Focus on SAP
Location
City of London, London, United Kingdom
oversee integrations between: SAP systems Third-party platforms Downstream enterprise applications Ensure scalable and secure use of: SAP Integration Suite SAP BTP services and middleware Governance & Delivery Establish architectural standards and governance processes Ensure compliance with: Legal and regulatory requirements Enterprise security standards SAP best practices Support incident, change ...

Junior Python Developer

Hiring Organisation
Information Tech Consultants
Location
City of London, London, United Kingdom
sStrong hands on experience in Python, Tableau & Data Mining experience .Design and build RESTful APIs with FastAPI — routing, request/response validation, dependency injection, middleware, and auto-generated OpenAPI documentation .Develop relational data models with SQLAlchemy (async) and manage schema evolution with Alembic migrations .Build responsive, accessible user interfaces ...

Python Developer

Hiring Organisation
Information Tech Consultants
Location
Greater London, England, United Kingdom
sStrong hands on experience in Python, Tableau & Data Mining experience .Design and build RESTful APIs with FastAPI — routing, request/response validation, dependency injection, middleware, and auto-generated OpenAPI documentation .Develop relational data models with SQLAlchemy (async) and manage schema evolution with Alembic migrations .Build responsive, accessible user interfaces ...

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 ...

Integration Architect

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Contract
batch, etc.) o Data flow and system decoupling strategies Experience working with: o Multi-system landscapes (ERP + domain systems) o Integration platforms and middleware Architecture & Design Capability Proven ability to: o Design scalable, modular integration architectures o Simplify complex estates and reduce dependencies Familiarity with: o Domain-driven/ ...

Workday Integrations and Data Lead

Hiring Organisation
Focus on WD
Location
Greater London, England, United Kingdom
technical audiences. Preferred Experienc Workday certification in Integrations, HCM, Data Migration or a related area preferred. Experience with Workday Extend, Python or middleware platforms preferred. Experience with payroll integrations, benefits integrations, Finance integrations or global HR transformation programmes. Hands on development experience both on data migration and workday integration. Experience ...

Senior SAP SuccessFactors Employee Central Payroll Consultant

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £500 to £549 per day
Seguridad Social, IRPF, n minas, contratos) and UK payroll rules (PAYE, RTI, National Insurance, auto-enrolment). Strong experience with SuccessFactors integration technologies (CPI, middleware) and payroll testing methodologies. Ability to work independently on complex, high-visibility projects with minimal supervision. Preferred Qualifications SAP Success Factors Employee Central Payroll certification. ...

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 ...

Salesforce Developer

Hiring Organisation
Anson McCade
Location
London Area, United Kingdom
Salesforce, with a focus on Education Cloud Developing using Apex, Lightning Web Components and declarative tools Integrating Salesforce with external systems via APIs and middleware Collaborating with cross-functional teams including designers, architects and product specialists Contributing to Agile delivery through continuous improvement, testing and high-quality engineering practices About ...