1 to 25 of 91 Middleware Jobs in London

design and delivery of complex integrations involving cloud solutions (public, private and SaaS). Integration Strategy and Implementation Design and oversee the implementation of end-to-end integrations using Middleware platforms, APIs, microservices, and other technologies. Collaborate with development teams to implement integration solutions, ensuring scalability, security, and reliability. Technical Leadership and Collaboration Act as a technical advisor to stakeholders More ❯

design and delivery of complex integrations involving cloud solutions (public, private and SaaS). Integration Strategy and Implementation Design and oversee the implementation of end-to-end integrations using Middleware platforms, APIs, microservices, and other technologies. Collaborate with development teams to implement integration solutions, ensuring scalability, security, and reliability. Technical Leadership and Collaboration Act as a technical advisor to stakeholders More ❯

Day Rate: £416 per day Contract Type: Inside IR35 Canary Wharf, London (3 days onsite per week) IBM Integration Bus/ACE Developer Prestigious Investment Bank - Canary Wharf, London Contract Type: Inside IR35 Day Rate: £416 per day Location: Canary More ❯

Day Rate: £416 per day Contract Type: Inside IR35 Canary Wharf, London (3 days onsite per week) IBM Integration Bus/ACE Developer Prestigious Investment Bank - Canary Wharf, London Contract Type: Inside IR35 Day Rate: £416 per day Location: Canary More ❯

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 ❯

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 ❯

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 ❯

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 ❯

Accounts Payable, Accounts Receivable, Fixed Assets, and Cash Management. Proficiency in PL/SQL, SQL, Oracle Forms, Oracle Reports, and related development tools. Experience with integrations (eg, APIs, SOA, middleware). Strong analytical and problem-solving skills with attention to detail. Ability to communicate effectively with both technical and non-technical stakeholders. Experience working in large enterprise or professional services More ❯

ERP systems (preferably NetSuite) and associated integration tools and methodologies. Strong understanding of APIs, web services (REST/SOAP), and data exchange formats (JSON, XML, CSV). Familiarity with middleware platforms (e.g., Dell Boomi, MuleSoft, Workato) or equivalent integration technologies. Experience managing relationships with vendors and third-party delivery partners. Solid understanding of data governance and best practices for maintaining More ❯

ERP systems (preferably NetSuite) and associated integration tools and methodologies. Strong understanding of APIs, web services (REST/SOAP), and data exchange formats (JSON, XML, CSV). Familiarity with middleware platforms (e.g., Dell Boomi, MuleSoft, Workato) or equivalent integration technologies. Experience managing relationships with vendors and third-party delivery partners. Solid understanding of data governance and best practices for maintaining 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 ❯

Qualifications Strong knowledge of Microsoft Dynamics 365 Business Central (ERP modules, finance, inventory, sales) Experience with Shopify (Avalara, store setup, apps, themes, POS, APIs) Understanding of integration tools and middleware (e.g., BC to Shopify connector, APIs, EDI) Proficiency in SQL, Excel, and data analysis for troubleshooting and reporting Excellent communication skills with the ability to explain technical concepts to non More ❯

Qualifications Strong knowledge of Microsoft Dynamics 365 Business Central (ERP modules, finance, inventory, sales) Experience with Shopify (Avalara, store setup, apps, themes, POS, APIs) Understanding of integration tools and middleware (e.g., BC to Shopify connector, APIs, EDI) Proficiency in SQL, Excel, and data analysis for troubleshooting and reporting Excellent communication skills with the ability to explain technical concepts to non 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 ❯

data ingestion). Data normalization and persistence layers (PostgreSQL/MongoDB). Core business logic and analytics microservices. Frontend dashboards for user net-worth visualization and insights. Build secure middleware to handle authentication, consent flows, and data encryption. Deploy infrastructure using containerization (Docker, Kubernetes, or similar) with CI/CD pipelines. Collaborate with founder to optimize data flow and ensure 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 ❯

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 ❯

multiple technologies and architectures including: J2EE. Web Application Development (User & B2B). Service-Oriented Architecture & Web Services (SOAP, XML, REST). Application Frameworks (Spring, Struts, Hibernate, MVC, etc.). Middleware Technologies (Websphere, JBoss, Datapower). Relational Database Design (DB2/400, MS SQL Server). Document, Imaging, and Web Content Management (FileNet). Business Intelligence, Data Warehouse, and ETL. Transaction 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 ❯

Salesforce solutions that scale, maintain performance, and ensure data integrity. Experience integrating Salesforce with third-party platforms (e.g., CPQ, marketing automation, billing systems) using REST/SOAP APIs and middleware tools. Familiar with modern Salesforce DevOps practices — including Git-based version control, automated deployments, and testing frameworks. Strong understanding of data modelling, governance, and reporting within Salesforce. Interested? This role More ❯

Salesforce solutions that scale, maintain performance, and ensure data integrity. Experience integrating Salesforce with third-party platforms (e.g., CPQ, marketing automation, billing systems) using REST/SOAP APIs and middleware tools. Familiar with modern Salesforce DevOps practices — including Git-based version control, automated deployments, and testing frameworks. Strong understanding of data modelling, governance, and reporting within Salesforce. Interested? This role More ❯