1 to 25 of 40 Contract Middleware Jobs in the UK

a strong focus on system integration. Proficiency in Java/J2EE, REST/JSON, XML, SQL, Spring, Hibernate, and messaging systems (e.g., JMS). Experience with integration platforms and middleware (e.g., MuleSoft, Apache Camel, Azure Integration Services, and AWS Integration Services). Experience with cloud platforms (Azure/AWS) and cloud-native integration patterns. Familiarity with Guidewire or other Core More ❯

sought by leading firm based in London - Contract - Hybrid *outside iR35* What You'll Be Doing Designing and developing enterprise-grade solutions in an Agile team. Building and maintaining middleware services using C# , REST APIs , FIX messaging , XML , and Microservices . Leading architecture discussions, code reviews, and release management. Collaborating with users and cross-functional teams to define and execute More ❯

sought by leading firm based in London - Contract - Hybrid *outside iR35* What You'll Be Doing Designing and developing enterprise-grade solutions in an Agile team. Building and maintaining middleware services using C# , REST APIs , FIX messaging , XML , and Microservices . Leading architecture discussions, code reviews, and release management. Collaborating with users and cross-functional teams to define and execute More ❯

MONTHS CRAWLEY West Sussex 4 Days on site per week in Crawley OUTSIDE OF IR35 POSITION Key responsibilities will include the design, implementation and test of Runtime and Middleware products, using industry standard tools and methods. ROLE Develop our systems by working as part of a project team to deliver a high quality, robust software deliverable that meets customer requirements More ❯

MONTHS – CRAWLEY West Sussex 4 Days on site per week in Crawley OUTSIDE OF IR35 POSITION Key responsibilities will include the design, implementation and test of Runtime and Middleware products, using industry standard tools and methods. ROLE Develop our systems by working as part of a project team to deliver a high quality, robust software deliverable that meets customer requirements More ❯

with SAP or other ERP systems (eg, NetSuite) for end-to-end QTC automation. Strong understanding of CPQ, contract life cycle management, billing, and revenue recognition processes. Experience in Middleware integrations (Celigo, Dell Boomi, Mulesoft preferred). Proficiency with DevOps tools (Copado, Azure, Atlassian). Excellent stakeholder management, communication, and solution documentation skills. Desirable Qualifications Salesforce Certified Application Architect or More ❯

Design, develop, and support integrations between Primavera (Unifier, OPC) and enterprise systems (ERP, EDMS, MS Project, P6, etc.) Develop and maintain REST/SOAP-based APIs, web services, and middleware components for seamless data exchange Provide regular status reporting to the program manager Prepare discovery documentation, take notes, process map, and get validation from customer stakeholders Document Primavera technical requirements More ❯

Policy Audit.Experience with other configuration compliance services (e.g., Symantec, Tanium, Tenable) will be considered.Strong familiarity with systems administration on Unix (RHEL, OEL, Solaris), Windows Servers, VMware, Databases, Applications, and Middleware services.Strong familiarity with Python, Bash, PowerShell, and/or regex, with the ability to develop scripts and run code. Ideal Candidate: Strong analytical and problem-solving skills with high attention More ❯

Experience with other configuration compliance services (e.g., Symantec, Tanium, Tenable) will be considered. Strong familiarity with systems administration on Unix (RHEL, OEL, Solaris), Windows Servers, VMware, Databases, Applications, and Middleware services. Strong familiarity with Python, Bash, PowerShell, and/or regex, with the ability to develop scripts and run code. Ideal Candidate: Strong analytical and problem-solving skills with high More ❯

and written communication skills, ability to interact with business representatives. Desirable but not essential: Experience of any of: multi-threading, low-latency, high-throughput, high-resiliency applications Familiarity with Middleware messaging frameworks, ideally Solace Thank you for considering us More ❯

it's mostly infrastructure and integration Integrations: VMS mainframe sales ledger Digital web domain interfaces , third parties, etc. C#/.NET Coda Web service calls and database reads via middleware component (Cloud HQ) Orchestrated through Application Manager Please apply by submitting your latest CV for immediate review by our Talent team. Thank you More ❯

Desirable Skills Familiarity with UML and tools such as IBM Rhapsody. Experience using MATLAB and Python for data analysis. Knowledge of NVIDIA CUDA programming. Exposure to OpenDDS or other middleware communication frameworks. More ❯

SAP) Good understanding of the engineering 'V' model Proficiency with Microsoft Office tools; Word, PowerPoint, Excel, Project Desirables Knowledge of embedded RTOS or Bare Metal operating systems Knowledge of middleware and Service Oriented Architectures (SOA) Knowledge of safety standards (DEF STAN 00-056, IEC 61508) Knowledge of electronic circuits Matlab/Simulink More ❯

Proven background designing and delivering scalable Salesforce solutions within complex, multi-system environments. Strong understanding of Salesforce development life cycle, CI/CD, and DevOps tooling. Experience with APIs, Middleware, and data integration. Solid understanding of government security, data, and assurance frameworks. Salesforce certifications (CTA, Application/System Architect, or equivalent). Excellent stakeholder management and communication skills. More ❯

pipelines, error budgets, and reliability-focused SLIs/SLOs. Experience supporting real-time trading applications, including feed handlers, matching engines, and algo trading platforms. Strong working knowledge of messaging middleware (Solace, 29West, Tibco, LBM, or equivalent) in performance-sensitive environments. Proficient in scripting and automation using Python, Bash, or PowerShell to streamline monitoring, alerting, and recovery workflows. Knowledge of FIX More ❯

seamless data flows across platforms using Workato. Key Responsibilities * Define and lead integration architecture across Workday and other enterprise platforms * Develop scalable, reusable integration patterns using Workato and other middleware tools * Ensure alignment with enterprise architecture principles and IT governance * Collaborate with Workday implementation teams to ensure integration readiness * Design and implement data flows between Workday and legacy systems * Support More ❯

scale integration and migration projects in fast-paced environments (e.g., retail, media, technology, PE-backed businesses) Project accounting experience for Oracle Financials Strong knowledge of enterprise integration patterns and middleware tools Experience with regulatory compliance, data governance, and security best practices Excellent communication, leadership, and stakeholder management skills Enterprise Architect - Oracle Contract Length: 12 Months (Inside IR35) Location: Hybrid - Birmingham More ❯

The position is focused on Business-as-Usual (BAU) activities in preparation for a significant ERP transformation. The organisation is planning to migrate from Dynamics AX 2012 to a middleware-driven on-premise solution in 2026. As such, the DBA will act as the subject matter expert (SME) for Dynamics AX infrastructure and ensure the system is stable, secure, and More ❯

optimise rendering pipelines, integrate with new hardware platforms, and work closely with cross-functional teams to deliver top-tier visual experiences. Required Skills & Qualifications Strong experience in computer graphics & middleware, particularly with Vulkan (preferred), OpenGL ES or similar. Deep understanding of graphics pipelines and modern mobile GPU architectures. Expert level proficiency in C and C++. Significant experience in real-time More ❯

advantageous. Familiarity with SRE tools and practices, including infrastructure as code (IaC), CI/CD pipelines, error budgets, and reliability-focused SLIs/SLOs. Strong working knowledge of messaging middleware (Solace, 29West, Tibco, LBM, or equivalent) in performance-sensitive environments. Proficient in scripting and automation using Python, Bash, or PowerShell to streamline monitoring, alerting, and recovery workflows. Knowledge of FIX More ❯

with Salesforce licensing secured and pilots completed. You will be joining a blended delivery team (internal Salesforce specialists + contractors), responsible for designing and delivering end-to-end Salesforce, Middleware, and digital channel solutions mapped to outcome-based milestones. Role & Responsibilities: Lead end-to-end migration and consolidation of knowledge bases into the unified Salesforce Service Tenant Architect and deploy More ❯

Quality : Develop Apex classes, triggers, and Lightning components to tackle complex business needs while ensuring top-notch code quality. Integrate Systems : Connect Salesforce with other systems using APIs and middleware while maintaining data integrity and security. Document Everything : Create and maintain comprehensive technical documentation that captures design specifications and development guidelines. Lead & Inspire : Provide technical guidance to junior engineers while More ❯

experience with integration technologies, including Kafka (or similar event streaming platforms), Java-based backend systems, and service orchestration Strong proficiency in API design (REST/GraphQL), microservices architecture, and middleware solution Deep understanding of data flow, interface management, and end-to-end process mapping across complex ecosystems Skilled in producing architectural documentation, including HLDs, LLDs, sequence diagrams, and integration blueprints More ❯

Job Title: CLM IIB (Middleware) Developer Length of Contract: 6 Months Pay Rate: £415 PWD via Umbrella Location: London, harbour exchange Hybrid model: 3 days a week in the office Description: We are seeking a talented CLM IIB Developer to join our client's development team in London. You will be responsible for developing, maintaining, and supporting the Bank's More ❯

Job Title: CLM IIB (Middleware) Developer Length of Contract: 6 Months Pay Rate: £415 PWD via Umbrella Location: London, harbour exchange Hybrid model: 3 days a week in the office Description: We are seeking a talented CLM IIB Developer to join our client's development team in London. You will be responsible for developing, maintaining, and supporting the Bank's More ❯