1 to 25 of 52 Contract Middleware Jobs in the UK

SC Cleared Salesforce Developer

Hiring Organisation
Triad
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day
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 ...

Java dev

Hiring Organisation
Pontoon
Location
Chester, Cheshire, United Kingdom
Employment Type
Contract
Microservice implementations at scale Familiarity with Eclipse IDE, WebLogic Application server or JBoss Strong experience in Integration Technologies - Mule ESB IDE or equivalent, previous Middleware experiences Knowledge of Test-Driven Development and Unit Testing (Cucumber/Litmus, JUnit) Able to contribute to 1. Automation 2. Causal analysis 3. Develop shared ...

Customer Support Engineer - DERMS

Hiring Organisation
Stackstudio Digital Ltd
Location
Falkirk, Stirlingshire, Scotland, United Kingdom
Employment Type
Contract
Contract Rate
From £500 to £550 per day
grid operations. Proficiency with Linux/Unix administration, databases (SQL/Oracle/PostgreSQL), and APIs/integration tools. Solid troubleshooting skills across application, middleware, and network layers. Experience with monitoring tools (Splunk, Grafana, AppDynamics, etc.). Familiarity with SCADA, ADMS, EMS, OMS, or other grid management systems. Excellent communication ...

Customer Support Engineer - DERMS

Hiring Organisation
Stackstudio Digital Ltd
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Contract
Contract Rate
From £500 to £550 per day
grid operations. Proficiency with Linux/Unix administration, databases (SQL/Oracle/PostgreSQL), and APIs/integration tools. Solid troubleshooting skills across application, middleware, and network layers. Experience with monitoring tools (Splunk, Grafana, AppDynamics, etc.). Familiarity with SCADA, ADMS, EMS, OMS, or other grid management systems. Excellent communication ...

Customer Support Engineer - DERMS

Hiring Organisation
Stackstudio Digital Ltd
Location
Livingston, West Lothian, Scotland, United Kingdom
Employment Type
Contract
Contract Rate
From £500 to £550 per day
grid operations. Proficiency with Linux/Unix administration, databases (SQL/Oracle/PostgreSQL), and APIs/integration tools. Solid troubleshooting skills across application, middleware, and network layers. Experience with monitoring tools (Splunk, Grafana, AppDynamics, etc.). Familiarity with SCADA, ADMS, EMS, OMS, or other grid management systems. Excellent communication ...

SF-Payroll Lead

Hiring Organisation
Stackstudio Digital Ltd
Location
United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £600 to £650 per day
validate end-to-end payroll process flows including time, payroll, posting and payment Oversee integration design between EC & ECP using PTP (Point-to-Point), middleware where required. Lead payroll data migration strategy: legacy payroll elements, wage types, employee master, tax data, balances. Develop and execute test strategy for payroll cycles ...

Oracle Developer (local government)

Hiring Organisation
Morson Edge
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£450 - 500 per day
skills. Desirable: Knowledge of payroll, HR, or finance processes within local government. Exposure to integration tools such as OIC, REST/SOAP APIs, or middleware platforms. InterQuest Group is acting as an employment agency for this vacancy. InterQuest Group is an equal opportunities employer and we welcome applications from ...

SuccessFactors Solution Architect

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £500 to £550 per day
payroll, finance, and third-party applications Datahub & API Management: Leverage Azure Datahub or integration platforms such as SAP Cloud Platform Integration (CPI) or other middleware solutions to facilitate seamless data flow Deliverables: Contribute to and maintain Technical Architecture Documents (TAD), technical specifications, integration mappings, and best practice recommendations Integration Design ...

ERP Solution Architect

Hiring Organisation
Sanderson Recruitment
Location
South West, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £750 per day + Umbrella Engagement
Workday, or NetSuite is also welcomed. Deep understanding of ERP architecture across finance and operational domains. Proven experience designing integrations using modern patterns (APIs, middleware, event-driven architectures). Strong grasp of data, security, and compliance considerations within enterprise ERP environments. Comfortable working in complex, multi-vendor delivery environments. Able ...

Java Fullstack developer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
Knutsford, Cheshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£280 - £318 per day
debugging multithreaded Java code Hands-on experience in enterprise design patterns and web architectures Experience of memory and performance profiling Pub/sub Middleware experience (e.g. Kafka, MQ) Tools experience - JIRA, GIT, IntelliJ IDEA, Gitlab and Docker Strong experience in AWS services such as Lamda, Step function and IAM Proficiency ...

Mainframe Developer with CICS Webservices

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £350 to £400 per day
8+). Familiarity with Spring Boot annotations, configuration, and how it simplifies Spring application setup and deployment. RESTful API development experience. Option 2: Integration & Middleware Skills Hands-on experience using DataPower appliances. Development experience using XSLT, Gateway Script, and XPath. ...

Solution Architect - Physical Asset Management

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650 per day
management and asset data models Experience integrating asset systems with core enterprise platforms (ERP, finance, risk, compliance) Strong knowledge of integration patterns, APIs and middleware Experience working within regulated environments (security, risk, audit, compliance) Ability to produce high-quality architecture artefacts (HLDs, LLDs, target & transition architectures) Strong stakeholder management across ...

Solution Architect

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Equity-backed companies. Direct involvement in M&A integrations, carve-outs, or divestitures. Experience delivering ERP separation or consolidation projects. Strong integration experience (APIs, middleware, finance system integrations). Experience working with cloud infrastructure (Azure/AWS preferred). Company Market leading consultancy Fully remote - UK based Salary & Benefits ...

Solution Architect Control Centre Tower (SysOps & Markets)

Hiring Organisation
Stackstudio Digital Ltd
Location
Wokingham, Berkshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £500 to £525 per day
technologies (e.g., VMWare ESXi). Experience working with Red Hat Linux, including bare-metal deployments. Integration & Platform Technologies Knowledge of common integration techniques and middleware solutions. Cloud Technologies Practical experience with public cloud platforms (preferably Microsoft Azure) and associated networking and platform services. Microservices & Containerization Experience designing solutions based ...

Integration Architect - Dayforce

Hiring Organisation
Lawrence Harvey
Location
Northampton, Northamptonshire, United Kingdom
Employment Type
Contract
Contract Rate
£600/day
Entra (formerly Azure AD), particularly for identity and access management and automated JML workflows. Strong understanding of APIs, web services (REST/SOAP), SFTP, middleware, and integration platforms. Experience with identity lifecycle management and HR-driven provisioning models. Knowledge of data governance, security best practices, and compliance considerations. Excellent stakeholder ...

SAP Solution Architect

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Nottingham, Nottinghamshire, United Kingdom
Employment Type
Contract
/Payroll, and Reporting domains Deep understanding of SAP S/4HANA architecture (Public Cloud and/or Hybrid) Strong integration architecture experience (APIs, middleware, event-based integration) Experience working with SAP Activate and managing projects using SAP Cloud ALM Ability to operate at both strategic and detailed design levels ...

C++ Developer

Hiring Organisation
Eligo Recruitment
Location
Belfast, County Antrim, Northern Ireland, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
protocols Hands-on experience with debugging and performance analysis tools Experience with build environments Desirable Skills: Commercial experience with databases e.g. PostgreSQL Familiarity with middleware/messaging solutions Experience in Python or LUA Familiarity with CI/CD tools and automated testing Experience with Git version control Eligo Recruitment ...

Solution Architect - Real Estate, Yardi, Argus, FS

Hiring Organisation
Sanderson Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£650 - £700 per day + Umbrella Engagement
diagrams, security models). Platform & Integration Lead the design of data flows between ARGUS investment models and Yardi operational and financial systems. Architect APIs, middleware, ETL pipelines, and event-based integrations where appropriate. Ensure consistent master data management across properties, leases, tenants, and financials. Support cloud and SaaS-based architectural ...

Solution Architect - Real Estate, Yardi, Argus, FS

Hiring Organisation
Sanderson
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£650 - £700 per day
diagrams, security models). Platform & Integration Lead the design of data flows between ARGUS investment models and Yardi operational and financial systems. Architect APIs, middleware, ETL pipelines, and event-based integrations where appropriate. Ensure consistent master data management across properties, leases, tenants, and financials. Support cloud and SaaS-based architectural ...

HIP Developer Experience Lead for Internal Cloud CGEMJP00330735

Hiring Organisation
Experis
Location
Sheffield, South Yorkshire, United Kingdom
Employment Type
Contract
experience in building applications on it. Experience with providing enterprise strength solutions to manage/operate a globally disperse infrastructure. Working knowledge of multiple middleware disciplines (Web Servers, Application Servers, Messaging and Application Lifecycle Management) is highly desirable Experience working across cultures and coordinating a globally dispersed team. Effective communication ...

Full-Stack Engineer - 6-month contract - Immediate Start

Hiring Organisation
The ECA International Group
Location
London, United Kingdom
Employment Type
Contract, Work From Home
. Solid understanding of microservices and modular architecture . APIs, Data & Integrations Strong experience with RESTful and GraphQL APIs . Hands-on experience with middleware and orchestration tools such as Tachyon, Temporal, or similar platforms. Experience with data ingestion, pipeline management, and distributed systems . Databases & Performance Proficiency in PostgreSQL ...

Technical Business Analyst

Hiring Organisation
BrightBox Group
Location
London, Malinslee, Shropshire, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £500/day remote and outside IR35
Responsibilities: Collaborate with stakeholders to gather and analyse business requirements. Develop and document functional specifications and technical requirements. Utilise WSO2 for system integration and middleware solutions. Write and maintain Java code to support or enhance existing systems. Work closely with technical teams to ensure alignment between business needs and technical ...

Solution Architect - Workday Financials

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Architect, with Workday Financials, or other ERP system experience. Essential - Proficient in designing and implementing integrations between Workday and other enterprise systems using APIs, middleware and legacy platforms. Desirable - Experience working in an insurance (preferably insurance broking) environment and good knowledge, understanding of insurance systems (preferably insurance broking platforms) Experience ...

Solution Architect - Fianance ERP system experience

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
with Workday Financials, or other ERP system experience. Essential - Proficient in designing and implementing integration's between Workday and other enterprise systems using APIs, middleware and legacy platforms. Desirable - Experience working in an insurance (preferably insurance broking) environment and good knowledge, understanding of insurance systems (preferably insurance broking platforms) Experience ...

Systems Engineer

Hiring Organisation
Stealth IT Consulting Limited
Location
Telford, Shropshire, West Midlands, United Kingdom
Employment Type
Contract
Contract Rate
From £370 to £420 per day Inside IR35
successful in this role, you must have a strong background in: CA Gen (Advantage:Gen/IEF): Extensive experience in design, development, and maintenance. Middleware: Proven expertise with Tuxedo . Databases: Strong Oracle and PL/SQL skills. Operating Systems: Proficient in Unix environments and shell scripting. Key Responsibilities Systems ...