1 to 25 of 83 Middleware Jobs in London

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 ❯

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 ❯

day per week onsite in Central London Working hours: 9am - 5pm - Monday - Friday An established international organisation is seeking a Senior Data Engineer to join their growing Data & Middleware function, driving innovation and excellence across complex data ecosystems. This is a fantastic opportunity to shape the future of a large-scale data transformation programme, working on high-impact projects that More ❯

with Apex, LWC, Visualforce, and Salesforce DX. Familiarity with Salesforce products such as Sales Cloud, Service Cloud, and Experience Cloud. Experience with REST/SOAP APIs, integration tools, and middleware platforms (e.g., Mulesoft – desirable). Understanding of Salesforce security and data models. Familiarity with DevOps processes, version control, and CI/CD in a Salesforce environment. Strong problem-solving and More ❯

engineering team plays a key role in enabling our client’s operations by designing, developing, and maintaining enterprise software that serves internal business needs. This includes creating integrations and middleware solutions, as well as building bespoke applications tailored to specific requirements. The Engineering Lead will oversee the backend engineering function. In this capacity, the Lead will partner with IT leadership More ❯

end delivery Desirable Skills: Experience with OSS domains (e.g., Service Assurance, Inventory). Knowledge of TM Forum frameworks (eTOM, SID, TAM). Exposure to system integration projects involving APIs, middleware, and third-party platforms. Experience in international telecom environments or Tier 1/Tier 2 operators. Due to the volume of applications received for positions, it will not be possible More ❯

engineering team plays a key role in enabling our client’s operations by designing, developing, and maintaining enterprise software that serves internal business needs. This includes creating integrations and middleware solutions, as well as building bespoke applications tailored to specific requirements. The Engineering Lead will oversee the backend engineering function. In this capacity, the Lead will partner with IT leadership More ❯

engineering team plays a key role in enabling our client’s operations by designing, developing, and maintaining enterprise software that serves internal business needs. This includes creating integrations and middleware solutions, as well as building bespoke applications tailored to specific requirements. The Engineering Lead will oversee the backend engineering function. In this capacity, the Lead will partner with IT leadership More ❯

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 ❯

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 ❯

with technical (e.g., developer and architect) customer personas Excellent communication skills and the ability to present advanced technical topics and deliver tailored demos to different audiences Experience working in middleware technology, ideally within API management, IAM or integration Good knowledge of REST, JSON and XML Some scripting experience, ideally with Java or JavaScript/Python Hands-on experience with cloud More ❯

Guidewire data model, rules engine, and workflow configuration. Experience with Guidewire DataHub, InfoCenter, and ClaimCenter integrations. Excellent communication, leadership, and stakeholder management skills. Familiarity with enterprise integration patterns and middleware (ESB, MQ). More ❯

into CI/CD pipelines (Jenkins, GitLab CI, Azure DevOps, etc.) * Integration & API Testing - proficiency with REST/OData service testing using tools like Postman or SoapUI * Experience validating middleware and data flows (e.g. SAP CPI, PI/PO) * Data Validation & ETL Testing - strong SQL skills for back-end verification, data reconciliation, and ETL testing * Familiarity with Behaviour-Driven Development More ❯

experience of delivering complex technical solutions in telecoms or enterprise environments, including authoring HLDs, LLDs, and interface specifications. Proven ability to design and integrate IT systems such as CRM, middleware, and data platforms with telecom technologies (OSS, BSS, IMS, NAT/CGNAT, IPv4/IPv6). Understanding of Big Data and data governance. Strong knowledge of cloud platforms including AWS More ❯

experience of delivering complex technical solutions in telecoms or enterprise environments, including authoring HLDs, LLDs, and interface specifications. Proven ability to design and integrate IT systems such as CRM, middleware, and data platforms with telecom technologies (OSS, BSS, IMS, NAT/CGNAT, IPv4/IPv6). Understanding of Big Data and data governance. Strong knowledge of cloud platforms including AWS More ❯

Financials , Procurement , and/or HCM modules. Experience with Oracle Cloud project governance , including quarterly release management and configuration change control. Familiarity with integration platforms (OIC, REST APIs, or middleware solutions). Deep understanding of project management methodologies (Agile or Waterfall). Experience managing multi-location teams and external delivery partners. Excellent communication, stakeholder management, and vendor coordination skills. More ❯

Financials , Procurement , and/or HCM modules. Experience with Oracle Cloud project governance , including quarterly release management and configuration change control. Familiarity with integration platforms (OIC, REST APIs, or middleware solutions). Deep understanding of project management methodologies (Agile or Waterfall). Experience managing multi-location teams and external delivery partners. Excellent communication, stakeholder management, and vendor coordination skills. More ❯

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 ❯

solutions. Module Breadth : Lead architectural decisions spanning multiple LoBs (e.g., Manufacturing, Sales, Supply Chain, Asset Management, Finance). Integration Leadership : Architect SAP integrations using SAP BTP, Integration Suite, and middleware; oversee data migration strategies. Analytics & Data : Define SAP data architecture including master data governance, BW/4HANA, DataSphere, and SAC reporting. Quality & Standards : Ensure designs follow SAP and industry best More ❯

What We’re Looking For Proven experience as a Business Analyst in infrastructure or application migration programmes . Strong understanding of application architectures, hosting models (UNIX/Linux, Windows, middleware, databases). Skilled in mapping dependencies and defining migration paths across complex estates. Exposure to data centre, hybrid, or cloud migrations (AWS, Azure, private cloud). Excellent analytical, documentation, and More ❯

What We’re Looking For Proven experience as a Business Analyst in infrastructure or application migration programmes . Strong understanding of application architectures, hosting models (UNIX/Linux, Windows, middleware, databases). Skilled in mapping dependencies and defining migration paths across complex estates. Exposure to data centre, hybrid, or cloud migrations (AWS, Azure, private cloud). Excellent analytical, documentation, and More ❯

the full Software System Lifecycle, including front-end and back-end aspects Experience of working with software systems/programmes specifically within an environmental setting Demonstrable experience with Java Middleware Outstanding knowledge of Performance and Security in Enterprise Systems Experience of working with networks: LAN & WAN/Internet and Security Prior experience of Database Access Design and Application Optimisation Demonstrable More ❯

the full Software System Lifecycle, including front-end and back-end aspects Experience of working with software systems/programmes specifically within an environmental setting Demonstrable experience with Java Middleware Outstanding knowledge of Performance and Security in Enterprise Systems Experience of working with networks: LAN & WAN/Internet and Security Prior experience of Database Access Design and Application Optimisation Demonstrable More ❯

environments alongside other SAP modules. Professionally Certified in SuccessFactors Employee Central with at additional certifications in another SucessFactors modules. Extensive experience in data migration strategies, integrations (e.g. SAP BTP, middleware), and SuccessFactors reporting (including People Stories/Stories in People Analytics). Strong knowledge of SuccessFactors implementation methodology and experience in managing full project lifecycles, including risk and issue management. More ❯

fit if: You're an experienced Technology or Solutions Architect with a strong track record in designing enterprise-level systems. You're confident designing API integrations and working with Middleware platforms. You have a solid understanding of enterprise architecture frameworks like TOGAF or Zachman. You're experienced with cloud platforms (particularly Azure) and modern architecture patterns like microservices and event More ❯