Permanent Middleware Jobs in London

1 to 25 of 69 Permanent Middleware Jobs in London

Senior Software Engineering Manager

London, England, United Kingdom
Hybrid / WFH Options
CDW UK
Cloud, Service Cloud, Marketing Cloud, and Experience Cloud. Strong proficiency in Apex, Visualforce, Lightning Web Components (LWC), and Flows. Experience with Salesforce integrations (APEX REST APIs, MuleSoft, Data Loader, middleware solutions). Azure Cloud & DevOps Hands-on experience with Azure services (Azure Functions, Logic Apps, API Management, Azure SQL, etc.). Expertise in Azure DevOps, CI/CD pipelines, and More ❯
Posted:

Senior Software Engineering Manager

london, south east england, united kingdom
Hybrid / WFH Options
CDW UK
Cloud, Service Cloud, Marketing Cloud, and Experience Cloud. Strong proficiency in Apex, Visualforce, Lightning Web Components (LWC), and Flows. Experience with Salesforce integrations (APEX REST APIs, MuleSoft, Data Loader, middleware solutions). Azure Cloud & DevOps Hands-on experience with Azure services (Azure Functions, Logic Apps, API Management, Azure SQL, etc.). Expertise in Azure DevOps, CI/CD pipelines, and More ❯
Posted:

Director - Cross-Platform Engineering & DevOps

London, South East, England, United Kingdom
Robert Walters
stakeholder management skills. Passionate about diversity, inclusion, sustainability, and fostering a high-performing team culture. Technical Competencies: Languages: .Net, C#, Java, SQL Databases: Oracle, SQL, PostgreSQL, MongoDB, Redis Messaging & Middleware: MQ, IIB/ACE, DataStage Cloud & Orchestration: Azure Databricks, Camunda 8, Kubernetes (AKS/EKS/GKE), Docker, Helm Backend/Frontend: Java 21, Spring Boot 3.x, Angular 15+, React More ❯
Employment Type: Full-Time
Salary: £100,000 - £130,000 per annum, Inc benefits
Posted:

Head of Development, EMEA IT, IT

London, United Kingdom
CLSA Global Markets Pte Ltd
line scripting (bash) and system administration. Hands-on experience developing low-latency, high-throughput Java components. Practical experience building cash equity trading platforms-OMS, EMS, Market Connectivity, Risk, GUI, Middleware, Middle Office. Deep understanding of fundamental computer science concepts. Experience with distributed caching technologies (GigaSpaces, Ignite, Coherence). Full-stack skills in Core Java and REST APIs. Practical knowledge of More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Architect - API

London, South East, England, United Kingdom
Hybrid / WFH Options
Proactive Appointments
microservices , and services-based delivery models . Solid knowledge of Java, .NET, SQL, and SOA environments, plus experience with modern frameworks (Spring, Hibernate, etc.). Hands-on experience with middleware technologies (WebSphere, JBoss, Datapower) and cloud-native platforms . Familiarity with SaaS platforms and asynchronous messaging solutions. Exceptional communication and stakeholder management skills, with the ability to influence at all More ❯
Employment Type: Full-Time
Salary: £90,000 - £110,000 per annum
Posted:

Head of Corporate Technology

London, United Kingdom
LGBT Great
software such as ERP systems (e.g., Oracle Financials, SAP, or Netsuite), HRIS/Payroll systems (e.g., PeopleSoft, ADP), and GRC (Governance, Risk & Compliance) tools. Understanding of system architecture, integrations (middleware, APIs), and data management. Technical Skills Enterprise Applications: Proficiency with enterprise resource planning (ERP) systems, financial reporting software, and HR management systems. Ability to understand database schemas and reporting tools More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Endur Specialists

london, south east england, united kingdom
Hybrid / WFH Options
Xcelyst Ltd
Familiarity with risk & PnL reporting , curve management, and market data integration. Experience with DevOps tools (Azure DevOps, Git, Jenkins) and CI/CD pipelines . Exposure to messaging and middleware tools (RabbitMQ, Kafka). Experience working in Agile/Scrum environments with distributed teams. Familiarity with incident, problem, and change management in ITIL-based support processes. Knowledge of Orchestrade or More ❯
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Technology Architech

London, South East, England, United Kingdom
Harrison Holgate
Architect , Solutions Architect , or in a senior technology leadership position. Strong technical knowledge of Acturis , including workflow configuration, integration, and customisation. Experience designing and delivering systems integrations using APIs, middleware, and modern data exchange approaches. Understanding of enterprise architecture frameworks (e.g. TOGAF , Zachman ). Strong proficiency with Azure and contemporary design principles such as microservices and event-driven architecture. Excellent More ❯
Employment Type: Full-Time
Salary: £85,000 per annum
Posted:

Senior Full Stack Developer (Ref: 192154)

London Area, United Kingdom
Hybrid / WFH Options
Forsyth Barnes
models. Develop helpers to process geographic and regulatory data layers (e.g. GIS overlays). User-Facing UI Build a reliable, performant front-end for non-technical commercial users. Develop middleware to surface business insights. Implement role-based access control, usage tracking, and exportable outputs (PDF/CSV). Platform Engineering & Security Set up authentication (SSO preferred), RBAC, audit trails, and More ❯
Posted:

Senior Full Stack Developer (Ref: 192154)

City of London, London, United Kingdom
Hybrid / WFH Options
Forsyth Barnes
models. Develop helpers to process geographic and regulatory data layers (e.g. GIS overlays). User-Facing UI Build a reliable, performant front-end for non-technical commercial users. Develop middleware to surface business insights. Implement role-based access control, usage tracking, and exportable outputs (PDF/CSV). Platform Engineering & Security Set up authentication (SSO preferred), RBAC, audit trails, and More ❯
Posted:

Senior Full Stack Developer (Ref: 192154)

london, south east england, united kingdom
Hybrid / WFH Options
Forsyth Barnes
models. Develop helpers to process geographic and regulatory data layers (e.g. GIS overlays). User-Facing UI Build a reliable, performant front-end for non-technical commercial users. Develop middleware to surface business insights. Implement role-based access control, usage tracking, and exportable outputs (PDF/CSV). Platform Engineering & Security Set up authentication (SSO preferred), RBAC, audit trails, and More ❯
Posted:

Senior Full Stack Developer (Ref: 192154)

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Forsyth Barnes
models. Develop helpers to process geographic and regulatory data layers (e.g. GIS overlays). User-Facing UI Build a reliable, performant front-end for non-technical commercial users. Develop middleware to surface business insights. Implement role-based access control, usage tracking, and exportable outputs (PDF/CSV). Platform Engineering & Security Set up authentication (SSO preferred), RBAC, audit trails, and More ❯
Posted:

Windows Support Engineer – Windows COTS & Integrations

London Area, United Kingdom
Xoriant
and ability to work under SLA constraints. Desirable: Experience with Unix/Linux support (even if the role is Windows-centric), given our roles often cross platforms. Familiarity with middleware technologies (e.g., MQ, WebSphere) or other vendor tools. Experience with CI/CD and automation tools for deployment and release. Experience working in highly regulated/risk-sensitive environments (financial More ❯
Posted:

Windows Support Engineer – Windows COTS & Integrations

City of London, London, United Kingdom
Xoriant
and ability to work under SLA constraints. Desirable: Experience with Unix/Linux support (even if the role is Windows-centric), given our roles often cross platforms. Familiarity with middleware technologies (e.g., MQ, WebSphere) or other vendor tools. Experience with CI/CD and automation tools for deployment and release. Experience working in highly regulated/risk-sensitive environments (financial More ❯
Posted:

Windows Support Engineer – Windows COTS & Integrations

london, south east england, united kingdom
Xoriant
and ability to work under SLA constraints. Desirable: Experience with Unix/Linux support (even if the role is Windows-centric), given our roles often cross platforms. Familiarity with middleware technologies (e.g., MQ, WebSphere) or other vendor tools. Experience with CI/CD and automation tools for deployment and release. Experience working in highly regulated/risk-sensitive environments (financial More ❯
Posted:

Windows Support Engineer – Windows COTS & Integrations

london (city of london), south east england, united kingdom
Xoriant
and ability to work under SLA constraints. Desirable: Experience with Unix/Linux support (even if the role is Windows-centric), given our roles often cross platforms. Familiarity with middleware technologies (e.g., MQ, WebSphere) or other vendor tools. Experience with CI/CD and automation tools for deployment and release. Experience working in highly regulated/risk-sensitive environments (financial More ❯
Posted:

Technology Architect

london, south east england, united kingdom
Hybrid / WFH Options
SRG
Architect, Solutions Architect, or in a senior technical leadership role. Deep hands-on knowledge of Acturis – workflows, integrations, customizations, and configuration. Experience designing and implementing integrations (e.g., via APIs, middleware). Solid understanding of enterprise architecture frameworks (e.g., TOGAF, Zachman). Proficiency in cloud technologies (e.g., Azure) and modern architectural patterns (microservices, event-driven design). Excellent communication skills, with More ❯
Posted:

Solutions Architect

London Area, United Kingdom
Response Informatics
Deep, hands-on expertise in Apex, Lightning Web Components, and declarative automation tools (Flow, Process Builder). Extensive experience designing and architecting complex integration patterns (REST/SOAP APIs, middleware like MuleSoft) and data migration strategies. Strong understanding of key architectural concepts: governance, identity, security, and platform limits. Skills: Exceptional communication, presentation, and interpersonal skills. Proven ability to lead and More ❯
Posted:

Solutions Architect

City of London, London, United Kingdom
Response Informatics
Deep, hands-on expertise in Apex, Lightning Web Components, and declarative automation tools (Flow, Process Builder). Extensive experience designing and architecting complex integration patterns (REST/SOAP APIs, middleware like MuleSoft) and data migration strategies. Strong understanding of key architectural concepts: governance, identity, security, and platform limits. Skills: Exceptional communication, presentation, and interpersonal skills. Proven ability to lead and More ❯
Posted:

Solutions Architect

london, south east england, united kingdom
Response Informatics
Deep, hands-on expertise in Apex, Lightning Web Components, and declarative automation tools (Flow, Process Builder). Extensive experience designing and architecting complex integration patterns (REST/SOAP APIs, middleware like MuleSoft) and data migration strategies. Strong understanding of key architectural concepts: governance, identity, security, and platform limits. Skills: Exceptional communication, presentation, and interpersonal skills. Proven ability to lead and More ❯
Posted:

Solutions Architect

london (city of london), south east england, united kingdom
Response Informatics
Deep, hands-on expertise in Apex, Lightning Web Components, and declarative automation tools (Flow, Process Builder). Extensive experience designing and architecting complex integration patterns (REST/SOAP APIs, middleware like MuleSoft) and data migration strategies. Strong understanding of key architectural concepts: governance, identity, security, and platform limits. Skills: Exceptional communication, presentation, and interpersonal skills. Proven ability to lead and More ❯
Posted:

Platform Engineer

London, United Kingdom
Computappoint
acceptance test environments Build and manage CI/CD pipelines for continuous integration and deployment across development, testing, and production environments Monitor and troubleshoot multiple environments, including operating systems, Middleware, and applications Manage development toolchains, including Atlassian suite (JIRA, Confluence, Bamboo, BitBucket) and version control systems Automate infrastructure and processes using Scripting languages (Python, PowerShell, Bash) and configuration management tools More ❯
Employment Type: Permanent
Salary: GBP 75,000 Annual
Posted:

Equities Low Latency Java Algo Developer (Vice President) - London

London, United Kingdom
Hybrid / WFH Options
Citigroup Inc
Low Latency & Performance Tuning: Proven experience in developing and optimizing low-latency applications, including advanced performance tuning techniques and profiling to achieve micro seconds level response times. Distributed Systems & Middleware: Hands-on experience working with various messaging middlewares (e.g., Kafka, Solace) and TCP-based communication protocols for building resilient and scalable distributed systems. Linux & Scripting Acumen: Strong working knowledge of More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

AWS Developer – Platform Team

City of London, London, United Kingdom
Hybrid / WFH Options
RP International
the time. Nice-to-Have Skills: Solid experience in AWS development and Infrastructure as Code (e.g., Terraform, CloudFormation ). Strong scripting skills (e.g., Python, Bash ). Familiarity with other middleware and integration platforms. Security Clearance (SC) would be a bonus, but is not required . Ready to Apply? If you are an AWS Developer with the skills in API Gateway More ❯
Posted:

AWS Developer – Platform Team

London Area, United Kingdom
Hybrid / WFH Options
RP International
the time. Nice-to-Have Skills: Solid experience in AWS development and Infrastructure as Code (e.g., Terraform, CloudFormation ). Strong scripting skills (e.g., Python, Bash ). Familiarity with other middleware and integration platforms. Security Clearance (SC) would be a bonus, but is not required . Ready to Apply? If you are an AWS Developer with the skills in API Gateway More ❯
Posted:
Middleware
London
10th Percentile
£57,500
25th Percentile
£73,125
Median
£86,250
75th Percentile
£113,438
90th Percentile
£130,000