40 jobs found in Hayes

Contract C# Software Engineer Near Wimbledon 6-month contract Software Engineer role developing C# Windows applications that interface with hardware. This role is inside IR35 and requires on-site work 3 days per week (full time for the first few weeks). C# Software Engineer skills required - * Good analytical skills and experience of code and design review for large projects. * Experience of multi-threaded and distributed applications, preferably with an understanding network of protocols. * Strong Experience in developing Windows desktop applications in C# * Interfacing with hardware/physical products * .NET environment, Windows Forms, TCP/IP & UDP protocols Please apply or call for more information

Network Architect - SC cleared +6 months + +Fully remote working +SC cleared role +Sole British national only - due to nature of the project +Inside IR35 +£75 - £80 ph Skills: +Aruba +HLD / LLD +SC clearance - current active clearance Role Responsibilities Architect network solutions and technically lead their implementation Working closely with the wider architecture team to develop solutions Technically lead network projects, ensuring that the customer's requirements are met Provide assistance and support on architectural/technical issues to other team members as required, whilst sharing technical knowledge and experiences Create Blueprint, High and Low Level Design documentation for network solutions and guide these through internal and customer approval processes Create hardware Bill of Materials to meet solution requirements Gain and maintain a working knowledge of the Portfolio of network Products and Services, promoting this with the customer and encouraging...

Technical Architect - Composable Commerce 6-Month Initial Contract | £800/day max | Inside IR35 Remote We're looking for a highly experienced, hands-on Technical Architect to provide technical leadership for a strategic composable eCommerce platform supporting a major retail and optical client. The role combines architecture, engineering leadership and production support, with a strong focus on commerce tools, MACH architecture, TypeScript/Node.js and Microsoft Azure. You'll play a key role in transitioning technical ownership from an incumbent supplier while driving platform reliability, continuous improvement and engineering best practice. The Role You'll be responsible for: Providing senior technical leadership across production support, incidents, defects, changes and enhancements Acting as the senior escalation point for complex technical issues and major incidents Leading root cause analysis and driving permanent, high-quality fixes Reviewing architecture, technical...

Principal Oracle DBARate: £600 per day Location: Remote with occasional travel for workshops and meetings Contract length: 6 months IR35 status: Inside IR35 Clearance: SC clearance must be obtainable Your new company, you will be supporting a major public sector organisation on the modernisation, maintenance and ongoing enhancement of critical Oracle database platforms hosted within AWS. These environments support a range of enterprise Oracle applications and services, requiring a highly skilled DBA capable of balancing operational excellence with ongoing transformation initiatives. Your new role We are seeking an experienced Principal Oracle DBA to help drive the evolution of database services towards a mature DevOps operating model.Working within a multidisciplinary Agile team, you will focus on automation, continuous delivery, monitoring and operational improvements while ensuring Oracle database environments remain secure, stable and highly available.You will provide...

Technical Tooling Lead (Alation & Profisee) Location: London, UK Hybrid Working: 3 days per week onsite Inside IR35 : £500.00 - £550.00 pd The Opportunity We're looking for an experienced Technical Tooling Lead to drive the end-to-end implementation and rollout of Alation and Profisee within a major enterprise data transformation programme. This is a highly visible role that combines programme leadership, stakeholder management, and technical oversight. You'll work across business, technology, data governance, and vendor teams to deliver strategic data management capabilities that support governance, metadata management, and master data management initiatives. Key Responsibilities Delivery Leadership Lead the planning, resourcing, and delivery of Alation and Profisee implementations. Develop and manage project plans, roadmaps, milestones, dependencies, and release schedules. Ensure delivery aligns with business objectives, governance requirements, and programme...

Senior Data Architect | Contract | Inside IR35 | £(Apply online only)pd 📍 London – Hybrid (3 days onsite) 📅 Initial 6-month contract I'm working with a major UK organisation looking for a Senior Data Architect to help shape the evolution of a large-scale, cloud-based data ecosystem. This is a senior but technically hands-on architecture role, working across complex distributed data platforms and influencing architecture direction across multiple engineering and data teams. Key experience: Enterprise-scale Data Architecture AWS cloud data platforms Spark / PySpark / Python Airflow & ELT/data processing Data Lakehouse & Data Products Streaming / Event-Driven Architecture Data Governance Architecture standards, patterns & technical design reviews Experience with delivering data architecture that enables ML/AI platforms essentialThis isn't an ivory-tower architecture position. We're looking for someone with deep engineering credibility who can operate at both technical...

Quality Assurance Analyst | London | Hybrid | £450 p/d Inside IR35 Overview: An exciting opportunity has arisen for an experienced Quality Assurance Analyst to join a global organisation operating within a complex, technology-driven environment. This role will play a key part in ensuring improvements to a critical Commodity Trading and Risk Management (CTRM) platform are reliable, accurate and fit for business use. Working as part of an Agile Scrum team, you’ll combine hands-on manual testing with test automation, ideally using Cypress, and contribute throughout the full software development lifecycle — from reviewing requirements and acceptance criteria through to regression testing, release assurance and continuous improvement. Role & Responsibilities: Review user stories, business requirements, technical designs and acceptance criteria to identify test conditions, dependencies and risks. Create, maintain and execute test cases covering functional, integration, regression...

Cyber Resilience Specialist Location: Remote Rate: up to £600 per day Inside IR35 About the Role Hays Technology are working with a leading organisation to recruit a Cyber Resilience Specialist to support a high-profile Operational Resilience programme.This role will focus on linking cyber threats, vulnerabilities, security controls and response scenarios to business service impacts and Operational Resilience outcomes. The successful candidate will work closely with security, technology operations, risk teams and service owners to strengthen resilience capabilities and support strategic resilience objectives. Key Responsibilities Assess cyber threats, vulnerabilities and security controls in relation to operational resilience outcomes. Develop and support severe but plausible cyber resilience scenarios and testing activities. Translate security findings into business service impacts and resilience risks. Work closely with stakeholders across technology, security, risk and...

Adecco Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. Job title: Senior Software Engineering (Python / C# /.NET, Data & Database Platforms) Location: London (2/3 days per week onsite) Contract: 12 months with possible extension Rate: £600 - £650 inside IR35 Role Overview We are seeking an experienced Software Engineering professional with strong expertise in Python, C#/.NET, enterprise data platforms, and database technologies. This role combines hands-on technical leadership with ownership of strategic technology initiatives supporting business-critical data and analytics capabilities. Key Responsibilities Technical...

Tier 1 Investment bank based in Canary Wharf. Role - C# Developer - Desktop Applications Duration - 6 months with likely extension Rate - £416 p/d (inside IR35) Location - Hybrid / Canary Wharf Tech Stack C# WPF Winforms Javascript SQL OracleTasks Tasks range from understanding business requirements, designing application structures, business data analysis, programming WPF (Windows Presentation Foundation) applications in Visual C#.NET on both Oracle and SQL Server database, testing with users, implementation through Development, Quality Assurance (QA), Production and Disaster Recovery environments. Supporting users and writing operation documents including User Helps (manuals) will also be required. As well as application development, this role will also include all aspects of system constructions and support for existing programmes which are written as WinForms (C#.NET) applications. Also, applications written in other languages like MS VBA for Excel and Access, MS VB...

Technical Architect - EPR Programme Location: London Working Arrangement: Hybrid Contract: 6-12 months About the Role Our client a consultancy who supporting a NHS client are seeking an experienced Technical Architect to join a major Electronic Patient Record (EPR) programme and provide independent technical leadership and assurance across the programme's end-to-end architecture. This is a key role within the programme, responsible for establishing a clear, deliverable and assured technical architecture across integration, infrastructure, security, testing and data. The successful candidate will provide constructive challenge to suppliers and internal delivery teams, identify technical risks and dependencies early, and ensure that architectural decisions support both successful EPR implementation and the organisation's longer-term digital and technology strategy. You will operate at the intersection of programme delivery, clinical systems, technology, suppliers and...

Adecco Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive. Job title: Senior Power BI / SQL Developer Location: London (2/3 days per week onsite) Contract: 8 months with possible extension Rate: £650 - £700 inside IR35 Role Summary We are seeking an experienced DWH Developer to design, develop and support a Front Office Supervision Dashboard and related reporting solutions. You will be responsible for building data-driven dashboards, workflow solutions and management information reporting to support supervisory oversight, auditability and risk management. Key Responsibilities Design and develop dashboards, reports and KPIs using...

Do you have experience in AI Security with hands-on experience securing AI, Generative AI, LLM or agent-based environments?If so, this could be an opportunity worth considering. This is a 6-month Inside IR35 contract role, offering a predominantly remote/hybrid working arrangement in London with a competitive day rate An opportunity has arisen for an AI Security Architect to join a well-established health research organisation and charity supporting large-scale medical research to improve disease prevention, diagnosis and treatment. You will design and implement security frameworks, controls and secure operating models that enable the safe deployment and use of AI solutions across complex business environments. This role focuses on AI security assessments, threat modelling, governance frameworks, security controls, secure integrations and identifying AI-specific security risks. Please only apply if you have the right to work in the UK, as visa sponsorship is not available. You will...

Salesforce Application & Analytics Manager Contract: 12 months Location: Milton Keynes or London on a hybrid basis Rate: £546 per day inside IR35 Active SC is ideal but not necessary, must be eligible Job Purpose The Salesforce Application & Analytics Manager will be responsible for the strategic management, support, development, and continuous improvement of the GMP Application and associated analytics capabilities. The role will ensure the effective operation of the Salesforce platform, delivery of the application roadmap, and development of high-quality reporting and analytics solutions across Salesforce and Microsoft Power BI/Fabric environments. Working closely with Information Asset Owners, technical teams, and business stakeholders, the postholder will ensure alignment with platform standards, governance requirements, and business objectives while driving innovation and data-driven decision-making. Key Responsibilities Salesforce Application Management...

Agentic AI Software Engineer 📍 London (Hybrid Working) 📅 12 Month Contract ⚖️ Inside IR35 Our client, a leading pharmaceutical organisation is looking for an experienced Agentic AI Software Engineer to join a team developing next generation AI platforms, cloud native infrastructure, and intelligent agent based applications that support cutting edge scientific research. Key Skills & Experience Strong Python development experience FastAPI and backend API development Cloud platforms (GCP and/or Azure) Kubernetes, Docker, and cloud-native architectures CI/CD, Infrastructure as Code, and DevOps practices Production support, monitoring, observability, and incident management Experience with AI/ML frameworks such as PyTorch, TensorFlow, or JAX Exposure to LLMs, RAG, Agentic AI, model serving, or MLOps environments What's on Offer? Work on innovative AI and Agentic AI solutions Hybrid working from London 12-month initial contract Inside IR35 Opportunity to contribute to...

Data Integration Architect Hybrid - 1 day per week in various locations in the South i.e. London, Bristol £640 per day inside IR35 6 month contract Active SC clearance Are you an experienced Infrastructure Engineer or Solution Architect with expertise in HVR and Oracle Cloud Infrastructure (OCI)? We're looking for a specialist to play a key role in delivering a secure, cloud-based data integration solution for a high-profile government programme. Working within a secure environment, you'll be responsible for designing and implementing an HVR-based data replication solution, enabling the migration of legacy Oracle data feeds into a modern Oracle Cloud Infrastructure landing zone. This is an opportunity to work on a complex, business-critical programme with a strong focus on cloud architecture, data integration and security. The Role You'll be responsible for designing and delivering a secure HVR integration capability, ensuring data can be replicated reliably from legacy...

Change Manager 3 Months initial contract £495 per day (Inside IR35) Hybrid/London - 1-2 days per week on site We are seeking an experienced Service Manager / Change Manager to oversee IT Service Management operations while governing the end-to-end Change Management process. The role will be responsible for ensuring service stability, SLA compliance, operational excellence, and effective change governance across application and infrastructure environments. The ideal candidate will have strong hands-on experience in ITIL processes, stakeholder management, CAB governance, service reporting, major incident management, and continuous service improvement. Key Responsibilities Change Management Govern the ITIL Change Management process across applications and infrastructure. Review and assess Normal, Standard, and Emergency Changes. Conduct and chair CAB and eCAB meetings. Evaluate change impact, risk, dependencies, implementation plans, and rollback strategies. Monitor change...

Data Architect 6 months Hybrid working with 2 to 3 days per week on site in either London or Corsham. Active DV clearance required £860 per day inside IR35 Role purpose The Data Architect will specify the target design for the data lake, data ingestion, integration, transformation, governance and security architecture. The role acts as the design authority, ensuring the solution is secure, scalable, auditable and appropriate for operating environments with multiple security classifications. Key responsibilities Define the target data architecture and design principles for the AWS data lake and associated ingestion patterns. Design secure data integration patterns across multiple security classifications and operating environments. Specify API-based, file-based, legacy and bespoke integration approaches for source-system onboarding. Define conceptual, logical and physical data models, including data flows, data domains and data ownership considerations. Specify Apache...

Azure Cloud FullStack Developer 6 months Remote Inside IR35 - Umbrella This is a great opportunity for an Azure-focused FullStack developer who enjoys building reliable applications end to end. You'll work on healthcare-facing systems where secure, scalable solutions genuinely matter. What you'll be doing: Develop and integrate APIs to support modern application experiences Build and automate workflows using Azure Logic Apps Create clean front-end features using React, Angular or Vue.js Deliver back-end services using .NET, Node.js, or Python Work with JSON and JavaScript to build and consume data-driven interfaces Script and automate operational tasks using PowerShell Apply strong Azure security practices throughout development Troubleshoot issues and support ongoing improvements across the platformWhat you'll bring: Proven experience in API development and building integration layers Strong Azure capability, including Azure Logic Apps Front-end development experience...

Senior QA Automation Engineer 6 months Hybrid Inside IR35 - umbrella only We are seeking a highly skilled VoIP Services Tester with Automation Experience to join our engineering team. In this role, you will ensure the reliability, quality, and security of our real-time voice and video communication systems. You will lead the design of automated testing frameworks, author rigorous technical test cases, and produce comprehensive test reports that drive our deployment decisions. The ideal candidate bridges the gap between deep network protocol analysis and modern software automation, ensuring exceptional voice quality and system stability across our global telecom infrastructure. As part of this role, you are required to do the following 1. Test Automation & Framework Development Design Automation: Develop, scale, and maintain automated test frameworks for signaling, media handling, and regression suites. Simulate Load: Build automation scripts to simulate high volumes of...