56 jobs found in Windsor

Contract AI Architect – Palantir Foundry Location: Remote / UK Rate: Up to £800 per day (Outside IR35) Contract Length: 12 months Client: Global Consultancy (End Client: Enterprise Programme) We are working with a global consultancy supporting a major enterprise client who are delivering a large-scale AI and data platform programme built on Palantir Foundry. As part of this initiative, they are looking for an experienced AI Architect to design and deliver scalable AI and machine learning solutions across a complex enterprise data environment. This is a 12-month contract engagement paying up to £800 per day Outside IR35, offering the opportunity to work on a high-impact AI transformation programme delivering advanced analytics and machine learning capabilities at scale. Key Responsibilities Architect and design AI and machine learning solutions within the Palantir Foundry platform Define scalable architecture for large-scale data processing and AI...

Programme Manager – Target Operating Model (TOM) Implementation ?? Location: West London (Hybrid) ?? Contract: Government contract until end of December, Outside of IR35 ?? Start Date: ASAP We are seeking a highly experienced Programme Manager to lead the delivery of a major programme implementing a new Target Operating Model (TOM) across a government organisation. This is a senior, strategic role requiring someone who can confidently operate at both programme leadership and hands-on delivery levels. The successful candidate will work closely with executive stakeholders to shape programme direction, align workstreams, manage complex risks and dependencies, and ensure delivery momentum. This role requires exceptional stakeholder leadership, strong programme structuring capability, and a pragmatic, outcome-focused mindset. Key Responsibilities Provide overall leadership for the TOM implementation programme Shape programme structure, workstreams, governance, and...

Data Programme Manager Location: Hybrid (2-3 days travel to their offices in Hemel Hempstead) Contract: Outside IR35 Day rate: Up to £700 per day Duration: Initial 6 months but will most likely extend Start date: ASAP Key words: Data project management, hospitality Our Client requires an experienced Data Programme Manager to lead a multi disciplinary data delivery function comprising predominantly on shore contractors and an off shore engineering team. This role will oversee the planning, execution, and delivery of project work, small enhancements, and live service incidents within the data organisation. The ideal candidate will be proactive, comfortable operating in ambiguity, and able to engage confidently across a wide range of business stakeholders including Commercial, CRM/Guest/Loyalty, Operations, and Contact Centre teams. Key Responsibilities Programme Leadership & Delivery - Lead end to end delivery for data projects, enhancements, and live...

Data Programme Manager Location: Hybrid (2-3 days travel to their offices in Hemel Hempstead) Contract: Outside IR35 Day rate: Up to £700 per day Duration: Initial 6 months but will most likely extend Start date: ASAP Key words: Data project management, hospitality Our Client requires an experienced Data Programme Manager to lead a multi disciplinary data delivery function comprising predominantly on shore contractors and an off shore engineering team. This role will oversee the planning, execution, and delivery of project work, small enhancements, and live service incidents within the data organisation. The ideal candidate will be proactive, comfortable operating in ambiguity, and able to engage confidently across a wide range of business stakeholders including Commercial, CRM/Guest/Loyalty, Operations, and Contact Centre teams. Key Responsibilities Programme Leadership & Delivery - Lead end to end delivery for data projects, enhancements, and live...

Data Programme Manager Location: Hybrid (2-3 days travel to their offices in Hemel Hempstead) Contract: Outside IR35 Day rate: Up to £700 per day Duration: Initial 6 months but will most likely extend Start date: ASAP Key words: Data project management, hospitality Our Client requires an experienced Data Programme Manager to lead a multi disciplinary data delivery function comprising predominantly on shore contractors and an off shore engineering team. This role will oversee the planning, execution, and delivery of project work, small enhancements, and live service incidents within the data organisation. The ideal candidate will be proactive, comfortable operating in ambiguity, and able to engage confidently across a wide range of business stakeholders including Commercial, CRM/Guest/Loyalty, Operations, and Contact Centre teams. Key Responsibilities Programme Leadership & Delivery - Lead end to end delivery for data projects, enhancements, and live...

Lead Data Platform Engineer - Urgent Contract Role - (Snowflake + Core Banking) Outside IR35 | £650-750/day | 2-3 days on-site in London | Initial 3 months | ASAP start We're supporting a financial services organisation standing up an entirely new banking data function, building a modern core banking platform using Snowflake. This is a hands on technical leadership role responsible for architecting, designing, and building the full end to end data platform: ingestion, medallion layers, data warehouse stores, and downstream reporting. You'll be working across high volume financial data, streaming pipelines, and a modern cloud native stack. You'll own the delivery of scalable data foundations, medallion structured financial models, and operational reporting capabilities consumed across the business. You must be able to operate autonomously and bring deep experience in Snowflake and modern banking data architectures. You also must be available within the next 2 weeks and...

Contract Senior Java Developer – Data Up to £700 per day Outside IR35 (6 month rolling) In office – City of London Quant Capital is hiring for a small, high-performing market maker in London. This is a junior-to-mid role focused primarily on Java development, with a secondary responsibility owning straightforward Python ETL/data ingestion into AWS and PostgreSQL. This is a growing team focused on data ingestion and building tooling for the wider firm. What you’ll do: Build and enhance Java backend services (APIs, batch jobs, integrations) used across the business Write clean, testable code with solid engineering discipline (testing, code review, debugging, production support) Maintain and extend Python-based ingestion/ETL (pragmatic plumbing, not heavy data engineering) Work with PostgreSQL (schemas, migrations, performant queries, data validation) Improve service reliability: monitoring/logging, sensible alerting, and predictable deployments via CI/CD...

Tech Lead – Python / TypeScript / C# / React / Azure £650–£750 per day | Outside IR35 | 6 Month Contract | Remote (Occasional London Travel) I’m currently working with a leading financial services technology consultancy that is looking to bring in an experienced Tech Lead to support the delivery of modern software solutions within the pensions and investment space. This is a hands-on leadership role, splitting your time between full-stack engineering and leading a small team of senior developers. The role offers the opportunity to work on complex platforms within a highly collaborative environment while helping shape modern engineering practices including AI-assisted and agentic development workflows. The role You will lead a team of four experienced engineers while remaining actively involved in the development process. Alongside technical leadership, you will play a key role in delivery coordination, Agile ceremonies, and stakeholder engagement. You will also act as a...

MRJ Recruitment is partnering with a global leader as they embark on a large scale payments trasnformation programme. Role: Technical Architect (Contract) We're looking for an experienced Technical Architect to help shape the platform from the ground up. You’ll play a pivotal role in defining architecture, guiding technical direction, and ensuring the solution meets the rigorous demands of modern payments. You’ll bring deep knowledge of the end-to-end payment lifecycle (Authorisation through to Capture and Settlement) and a strong understanding of the technical and operational realities of banking and card scheme integrations. If you thrive in greenfield technology programmes from inception phase and enjoy turning ambiguity into clarity, this could be a great fit. Key Responsibilities Define and own the target architecture across services, integrations, and operational components Lead early-stage discovery: evaluate options, identify risks, and shape...

Role: AI Engineer Location: Central London (Hybrid - 4 days onsite) Contract: 6 Months + Extensions Rate: £600–£800 per day (Outside IR35, flexible for exceptional candidates)   A leading European private credit manager is seeking an experienced AI Engineer to join on a contract basis. This role will focus on taking AI proof-of-concepts developed across the investment business and productionising them into scalable solutions.   You will act as the key bridge between investment teams (Portfolio Managers, Credit, and Origination) and technology, helping transform AI ideas into practical tools that enhance investment decision-making and operational efficiency.   Key Responsibilities: Serve as the designated AI engineering lead responsible for productionising AI POCs. Develop and fine-tune LLM-based solutions (e.g. RAG, prompt engineering, embeddings, vector search). Collaborate closely with investment...

Join a cutting-edge financial services organisation building the future of banking data infrastructure from the ground up. Salary:  £650 - 750 per day Lead Data Platform Engineer - Urgent Contract Role - (Snowflake + Core Banking) Outside IR35 | £650-750/day | 2-3 days on-site in London | Initial 3 months | ASAP start We're supporting a financial services organisation standing up an entirely new banking data function, building a modern core banking platform using Snowflake. This is a hands on technical leadership role responsible for architecting, designing, and building the full end to end data platform: ingestion, medallion layers, data warehouse stores, and downstream reporting. You'll be working across high volume financial data, streaming pipelines, and a modern cloud native stack. You'll own the delivery of scalable data foundations, medallion structured financial models, and operational reporting capabilities consumed across the...

Governance / Data Governance / Data Analyst / Oracle / Fusion Job Title: Data Governance Lead Location: London (2 days per week onsite) Contract Type: Contract – 6 Months Day Rate: £700 per day IR35 Status: Outside IR35 Overview We are looking for a Data Governance Lead to support a major Oracle Fusion HR implementation programme . This role will focus on improving HR data quality, identifying root causes of data issues, and embedding practical data governance processes across the programme. This is a hands-on data role , suited to someone with a background in data analysis or data engineering , who is comfortable working directly with datasets to diagnose issues and drive improvements. The successful candidate will work closely with HR, transformation, and technology teams to ensure high-quality, well-governed data as part of the Oracle Fusion implementation. Key Responsibilities Lead data governance activities within an Oracle Fusion HR...

Business Analyst | Power & Gas SME | £800/Day OUTside IR35 | Energy Trading – 6 months rolling | Hybrid Business Analyst SME in the Power trading space is needed for a commodities & energy trading firm, covering both physical & derivative trading. With their continued growth and onboarding new products, in line with new regulatory changes, they need a ETRM SME Business analyst to work on Project lifecycle covering business requirements analysis, functional specification of changes, testing as required and support of UAT. As a Power Business Analyst – You will leverage your deep knowledge of the European power market, experience with ETRMs, middle - back-office systems, processes to ensure the successful delivery of business and technology changes. Strong BA skills are also essential in this new area of the business, as well as teasing out requirements to map them out in an Azure DevOps board with enough detail for the developers to elaborate on. As a...

Head of Data | Contract | 6 months | Outside IR35 | £600-£700 per day I'm working with a major energy organisation who are going through a strategic transformation toward Real Time, AI driven decision making, modernised data infrastructure, and a deeply Embedded data culture. This role combines hands on leadership of automation and AI initiatives with the strategic responsibility of shaping the company's long term data vision. You will build a high performing team, elevate BI capabilities, and unlock value from rich customer data flows to improve customer understanding and operational efficiency. This is a 6 month engagement, outside IR35, requiring two days per week on site in London. The technology environment includes GCP, Bit query, and Looker. Key Responsibilities Business Intelligence, Automation & Advanced Analytics Transform BI from static reporting into dynamic, Real Time, self service analytics used across the organisation. Design and implement...

Technology Integration Lead | PE Buy & Build | Multi-acquisition platform Outside IR35 - £900-£1100 per day I’m working with a private equity backed healthcare platform that is scaling rapidly through acquisition and is looking for a hands-on Technology Integration leader to support the integration of newly acquired businesses. This is an interim role focused on delivery rather than traditional corporate IT leadership. The platform is acquiring multiple small and mid-sized businesses and needs someone who can help standardise systems, integrate data and build a scalable technology foundation as the organisation grows. This role would suit someone who has experience in environments such as: private equity buy-and-build platforms technology integration across multiple acquisitions digital transformation in scaling SMEs consulting roles delivering hands-on systems integration programmes Mid Market experience or high-growth organisations who have scaled...

Business Analyst MSCI Total Plan (Caissa) | Endowment / Asset Owner – Business Analyst (Contract) | Outside IR35 | up to £700/day | 6‑month initial | Hybrid London A Business Analyst - MSCI Total Plan with deep investment operations and front‑office/risk understanding is required for a flagship MSCI Total Plan implementation for a £10bn+ endowment. The Business Analyst - MSCI Total Plan is a high‑impact role within a multi‑year transformation programme consolidating public, private, and real asset portfolios into a single investment book of record. The organisation is a mission‑driven asset owner with a long‑term investment horizon and a strong commitment to responsible stewardship. This Business Analyst - MSCI Total Plan will step into a critical delivery position—owning key workstreams, validating the operating model, and partnering closely with the implementation team, front office, and risk stakeholders. Experience with MSCI Total Plan (Caissa) 💰...

Lead .NET/Full Stack Developer - Hybrid - £700/day Outside IR35 | C# | Azure | Event Driven Systems | Payments | API Driven We have a unique opportunity for a Lead .NET/Full Stack Developer to join a payments company. As the Lead .NET/Full Stack Developer , you’ll play a key role in shaping and scaling a high-throughput payments platform as the business enters its next phase of growth. This includes launching new products, enabling new partner integrations, and expanding a platform that already powers multiple live financial services products used globally. You’ll be building on top of a modern, cloud-native platform built with .NET and Azure , designed around API-first architecture and event-driven microservices . The platform supports complex payment flows, partner integrations, and high-volume transaction processing. This is a hands-on technical role where you’ll help drive engineering best practices, contribute to architectural decisions, and mentor...

SC/DV Cleared AI Engineer - Remote - £700 - £800pd Outside IR35 - 6 Months Rolling We're working with a consultancy delivering into the public sector looking to bring on an SC Cleared AI Engineer for a critical programme. The role is fully remote, though candidates must hold active SC clearance (DV ideally) due to the nature of the work. Skills: Python AI / Machine Learning Engineering Experience with LLMs & Generative AI MLOps CI/CD knowledge Cloud experience (AWS preferred) Active SC Clearance (DV ideally) This position has a 1 stage interview process. SC/DV Cleared AI Engineer - Remote - £700 - £800pd Outside IR35 - 6 Months Rolling

Outside IR35 Contract - Senior/Lead Kotlin Engineer – Backend / Distributed Systems - £700-800/day Tier-One Global Investment Bank | London A tier-one global investment bank is expanding a new engineering group responsible for building modern digital financial platforms from the ground up. This team operates with the autonomy and pace of a start-up, backed by the scale and resources of one of the world’s largest financial institutions. Engineers work in small, highly collaborative teams designing and operating systems that power critical financial services used by millions of customers. This is a 6-month rolling contract, on a programme of work estimated to last 2-3 years. We’re looking for experienced Senior and Lead backend engineers who specialise in server-side Kotlin on the JVM , with a strong interest in building reliable distributed systems and scalable cloud platforms. You’ll help design and build high-performance backend services, working closely...

🚀 Senior Data Product Manager (Contract) London (Hybrid) | £700/day | 6-Month Contract | Outside IR35 An established data intelligence business is looking for a Senior Data Product Manager to lead the development of data-driven products used by global clients. This role sits at the intersection of product, data science, and engineering, shaping data products that generate actionable insights and commercial value. Key Responsibilities Own the strategy, roadmap, and delivery of data products used internally and by external clients Work closely with data science, data engineering, and analytics teams to translate models and insights into scalable products Define product requirements and ensure data science outputs are operationalised into usable products and features Collaborate with stakeholders across technology, research, and commercial teams Drive product discovery, experimentation, and iteration to continuously improve data products Experience...