1 to 25 of 33 Contract Middleware Jobs in England

Senior Integration Engineer

Hiring Organisation
ifndautoparts
Location
Towcester, Northamptonshire, East Midlands, United Kingdom
Employment Type
Contract, Work From Home
ifndautoparts. The goal is to identify the most effective onboarding approach for each seller, whether that involves API connectivity, bulk uploads, existing integrations, middleware solutions, or building reusable integrations where there is long-term value. Seller API Supporting businesses and developers who wish to integrate directly with the ifndautoparts Seller … transformation Existing Integrations Supporting and maintaining existing connectivity solutions and integrations where available. This may include existing integrations, custom-built integrations, data feeds, middleware solutions, or direct API connectivity depending on the seller's requirements. Future Integration Development Identifying opportunities to create reusable integration solutions for commonly used ecommerce platforms ...

Salesforce Administrator

Hiring Organisation
Develop
Location
London, United Kingdom
Employment Type
Contract
Maintain and enhance Salesforce configuration, including permissions, profiles, roles, security settings, validation rules, flows, screen workflows and automation. Support and maintain key integrations, including middleware, document management, e-signature, backup and finance-related systems. Work with Apex triggers and HTTP trigger logic where required, particularly in relation to integrations ...

Data Delivery Lead

Hiring Organisation
McGregor Boyall Associates Limited
Location
Manchester, North West, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £750 per day
data resilience reviews, data resilience assessments, resilience testing/proving or data lifecycle and value chain activity Understanding of how data moves across middleware, cloud and core systems, with the ability to identify resilience risks and gaps across data flows Experience identifying, assessing and managing data-related risks, controls ...

ADA Software Engineer

Hiring Organisation
Defence
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Contract
Contract Rate
Up to £68 per hour
Responsibilities: We are looking for a capable, adaptable and inquisitive Ada software engineer (see expectations below) to join a small talented team to develop middleware solutions for the next generation of advanced missile systems. Developing solutions targeting a large range of problems from hardware drivers to web services. This role ...

ADA Software Engineer

Hiring Organisation
Certain Advantage
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£68 per hour, Benefits Overtime Rate
Responsibilities: We are looking for a capable, adaptable and inquisitive Ada software engineer (see expectations below) to join a small talented team to develop middleware solutions for the next generation of advanced missile systems. Developing solutions targeting a large range of problems from hardware drivers to web services. This role ...

Engineering Lead

Hiring Organisation
Hays
Location
Cheshire, North West, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £500.0 per day + Inside IR35
issues. Support the design and delivery of enterprise integrations involving Sage and other business-critical systems. Guide implementation of scalable integration patterns across APIs, middleware, event-driven platforms, and external systems. Collaborate with architects, product teams, vendors, and business stakeholders to ensure successful solution delivery. Drive best practices across software … Technical Lead, Principal Engineer, or similar senior technical role. Strong background in backend software engineering and enterprise integration. Experience designing and implementing APIs, microservices, middleware solutions, and event-driven architectures. Experience integrating enterprise platforms such as Sage, ERP, finance, or business-critical systems. Strong knowledge of AWS and cloud-native ...

Engineering Lead

Hiring Organisation
Hays
Location
Cheshire, North West, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £500.0 per day + Inside IR35
incidents. Support complex integrations across enterprise systems, risk platforms, controls frameworks, and external applications. Design and guide implementation of scalable integration solutions across APIs, middleware, event-driven platforms, and external systems. Drive best practices across software engineering, DevOps, resiliency, observability, operational excellence, audit readiness, and governance. Conduct architecture reviews, code … Lead, Principal Engineer, or similar senior technical leadership role. Strong background in backend software engineering and enterprise integration. Experience designing and implementing APIs, microservices, middleware solutions, and event-driven architectures. Experience integrating enterprise platforms, risk systems, controls frameworks, and business-critical applications. Strong understanding of regulatory, risk, and compliance requirements ...

Engineering Lead for Risk and Controls Workstream

Hiring Organisation
Experis
Location
Knutsford, Cheshire, North West, United Kingdom
Employment Type
Contract
stakeholders. Act as a senior escalation point for complex engineering and production issues. Guide the design and implementation of scalable integration solutions across APIs, middleware, event platforms, and external systems. Conduct architecture reviews, technical assessments, code reviews, and compliance reviews. Mentor engineering teams and contribute directly to troubleshooting, prototyping … overseeing multiple concurrent technology initiatives and distributed teams. Backend & Integration Engineering Strong background in backend software engineering and enterprise integrations. Expertise in APIs, microservices, middleware, and event-driven architectures. Experience building scalable, resilient, and secure applications. Strong troubleshooting and problem-solving skills across distributed systems. Risk, Controls & Compliance Strong understanding ...

Application Designer

Hiring Organisation
Halian Technology Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
From £450 to £500 per day
design, code and testing artefacts Ensuring quality, completeness and accuracy across deliverables Technical Environment Core Technologies Platforms: Linux (Red Hat Enterprise Linux) Integration & Middleware: IBM App Connect Enterprise (ACE) v12/v13 IBM WebSphere MQ v9 Databases: Oracle 19 (SQL, PL/SQL, data modelling) Messaging & Data Formats ...

Salesforce Developer - Asset Management - London

Hiring Organisation
Strike IT Services
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
APIs. Configure and customise Salesforce Sales Cloud and Service Cloud capabilities. Develop integrations between Salesforce and external systems using REST/SOAP APIs and Middleware technologies. Participate in technical design discussions and contribute to solution architecture. Ensure solutions are scalable, secure and aligned to platform best practices. Support deployments, releases ...

MS Dynamics Developer

Hiring Organisation
ARM
Location
Farnborough, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
£38.25/hour
Collaborate with functional teams to translate business requirements into technical specifications Develop and maintain integrations between D365 and other enterprise systems using APIs and middleware Participate in system upgrades, patches, and performance tuning Ensure code quality through unit testing and code reviews Provide technical support and troubleshooting for D365 applications ...

Senior QA Engineer - SCADA, WAMS & Grid Integration

Hiring Organisation
iBSC
Location
Wokingham, Berkshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
focused role. You will act as the Voice of Quality, governing test strategies, leading defect triage, and ensuring that complex integrations involving IEC protocols, Middleware, and APIs meet the stringent reliability standards required for Real Time power network operations. Key Responsibilities 1. Test Strategy & Quality Governance (The "Assurance" Element) Define … Telemetry) and IEC 61850 (Substation Automation) protocols. Oversee Factory Acceptance Testing (FAT) and Site Acceptance Testing (SAT) for substation integration points. 3. Integration & Middleware Validation Design and execute test scenarios for data exchange between the SCADA environment and external enterprise systems via Oracle MFT (Managed File Transfer) and Mulesoft APIs. ...

Boomi Platform Engineer, Outside IR35 , SC Clearance Must

Hiring Organisation
Amysoft Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 450 Daily
will be a hands-on Boomi Platform Engineer with strong troubleshooting skills and the ability to work across Boomi, cloud, Kubernetes, networking, security and middleware technologies. You must be comfortable taking ownership of Boomi runtime infrastructure from initial deployment through to production support, optimisation and continuous improvement. Applications will only ...

Solution Architect - D365 - Business Central

Hiring Organisation
Sanderson Recruitment
Location
South West, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600 per day + Outside IR35
stock, replenishment, finance, membership/customer interactions and operational processes. Integration and iPaaS design: Review and progress integration designs involving APIs, iPaaS/middleware, data mappings, interfaces, error handling, sequencing, ownership and operational monitoring. Legacy NAV and data migration dependencies: Support design and decision activity where legacy NAV, Business Central ...

Boomi Integration Developer

Hiring Organisation
Square One Resources
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 350 - 400 Daily
with API Management, REST, SOAP, GraphQL, and microservices architectures. Experience with XML, JSON, XSLT, data mapping, and transformation. Knowledge of enterprise integration patterns and Middleware technologies. Experience integrating enterprise platforms including ERP, CRM, HR, and SaaS applications (eg, Salesforce, SAP, Oracle, Workday, NetSuite). Familiarity with cloud platforms such ...

Senior Salesforce Developer - 12 months - London - £525/day - Inside IR35

Hiring Organisation
Hamilton Barnes
Location
Reading, Berkshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
capabilities including case management, omni-channel routing, entitlements, milestones, knowledge, and service process automation Support integrations between Salesforce and external systems using REST, SOAP, Middleware, event-driven architecture, and platform events Collaborate with Technical Leads, Product Owners, QA teams, and business users to deliver end-to-end solutions Support release ...

SRE - Site Reliability Engineer - Observability & Performance

Hiring Organisation
Sanderson Recruitment
Location
Bristol, Somerset, United Kingdom
Employment Type
Contract
Contract Rate
GBP 550 - 600 Daily
Bristol - Largely remote I'm currently working with a client who is looking for an SRE to implement and enhance observability across Java applications, middleware and Linux infrastructure using Grafana click apply for full job details ...

Project Manager PMO

Hiring Organisation
Adecco
Location
Welwyn, Hertfordshire, United Kingdom
Employment Type
Contract
Contract Rate
£230 - £300/day
equivalent project management qualification. Experience delivering Point of Care implementations within Healthcare Service acute or community settings. Knowledge of connected healthcare solutions, middleware and digital integration within healthcare environments. Understanding of Healthcare Service procurement and implementation processes in the UK & Northern Ireland. What We Offer The opportunity to lead ...

Mainframe Middleware Infrastructure Engineer (CICS Liberty)

Hiring Organisation
Gazelle Global Consulting Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Mainframe Middleware Infrastructure Engineer (CICS Liberty) 6-12 Month Contract London or Edinburgh Hybrid (2-3 Days Onsite) Excellent Day Rate We're looking for an experienced Mainframe Middleware Infrastructure Engineer with strong expertise across CICS, z/OS and IBM WebSphere Liberty to support a major enterprise transformation programme ...

SRE - Site Reliability Engineer - Observability & Performance

Hiring Organisation
Sanderson Recruitment
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600 per day
Bristol - Largely remote I'm currently working with a client who is looking for an SRE to implement and enhance observability across Java applications, middleware and Linux infrastructure using Grafana. The role is focused on monitoring, performance analysis, reliability engineering and troubleshooting across a complex enterprise platform. ...

Middleware Advanced Applications Engineer

Hiring Organisation
Reed
Location
Central London, London, England, United Kingdom
Employment Type
Contractor
Contract Rate
£700 - £720 per day, Inc benefits
seeking a Middleware Engineer advanced applications developer to join our specialised middleware and application platform support team within the Global Investment Bank's dedicated low-latency infrastructure. This role is pivotal in supporting electronic trading systems across Forex (FX) and Fixed Income (FI) markets. The successful candidate will possess deep … technical expertise in middleware and a practical understanding of trading workflows and ultra-low latency requirements. Required Skills & Qualifications: Essential Skills: Knowledge of Solace PubSub+ platform. Hands-on experience configuring message VPNs, queues, topic endpoints, bridges, and DMR. Proven ability to tune ultra-low latency trading environments. Strong knowledge ...

Contract Solution Architect - Order Management System (OMS) Transformation

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
Milton Keynes, Buckinghamshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£425 - £450 per day
Core Skills & Experience: Proven experience working as a Solution Architect to deliver complex (large-scale) transformation/migration programmes Strong integration Architecture experience (APIS, middleware, messaging and event-driven architectures). Experience designing and supporting complex data migration (including data quality, reconciliation, migration planning, operational readiness, hypercare etc.) Excellent stakeholder ...

Solutions Architect - INSIDE IR35 - HYBRID

Hiring Organisation
Proactive Appointments
Location
Surrey, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £470 per day
experienced Solutions Architect to design secure, scalable, and innovative integration solutions across cloud, on-premises, and hybrid environments. You'll lead API strategy, middleware architecture, event-driven integration, and cloud connectivity while working with cutting-edge technologies including Azure, AWS, Kafka, MuleSoft, Boomi, and API Management platforms. … architecture, and driving digital transformation, we'd love to hear from you. Required Skills and Experience Strong experience in enterprise solutions architecture, solution design, middleware platforms, APIs, and distributed systems. Hands-on knowledge of integration patterns such as request-response, publish-subscribe, event-driven architecture, batch processing, orchestration, choreography ...

IBM Platform Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
Watford, Hertfordshire, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £450/day Inside IR35 via Umbrella
modern cloud infrastructure, and supporting large-scale supply chain and inventory workloads. Core Responsibilities Enterprise Integration: Designing and managing API gateways, event brokers, and middleware to bridge older IBM i technologies with distributed platforms and modern systems. Legacy Modernization: Upgrading and maintaining systems in IBM-derived environments, ensuring high availability … with IBM i (AS/400), RPG, CL, or COBOL. Modern Scripting & Databases: Hands-on experience with languages like Python, JavaScript, C++, or Java. Middleware & Integration: Familiarity with messaging queues (e.g., IBM MQ), API gateways, and event-driven architectures. Randstad Technologies is acting as an Employment Business in relation ...

Microsoft Dynamics 365 Developer

Hiring Organisation
Line Up Aviation
Location
Farnborough, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
£38.25/hour
On behalf of our client, we are seeking to recruit a Microsoft Dynamics 365 Developer on an initial 6 -month contract. As the Microsoft Dynamics 365 Developer you will be responsible for designing, developing, customising ...