Top Tech Jobs & Startup Jobs in London

The Senior Manager, Employee Relations will lead the ER Centre of Excellence, implement an employee relations roadmap, mentor HR partners, handle complex workplace issues, and develop training for best practices.

Develop and maintain UK ad policy frameworks, assess campaign risks for compliance with CAP Code and HFSS rules, advise cross-functional teams, create training, monitor regulatory changes, and embed compliant policy into media products to support safe, scalable advertising.

The Senior Applied Data Scientist will implement, support, and develop complex models, leveraging machine learning to provide actionable insights for retail clients.

Lead technical architecture reviews and design workplace automation solutions using Microsoft 365, Copilot, Intune and Entra ID. Build automation with PowerShell, APIs and infrastructure-as-code, integrate Microsoft 365 with platforms like ServiceNow, drive AI/Copilot adoption, create roadmaps and reusable patterns, and act as an internal consultant to improve workplace services and platform operations.

Lead sales operations within Demand & Supply to drive sales performance through data analysis, reporting and process optimisation. Partner with Sales, Product and Finance to build dashboards, monitor KPIs, support planning (budgeting/forecasting), improve CRM and sales tooling, and enable revenue growth for retail/media clients.

Design, implement, support and develop complex machine‑learning models and applications for retail clients. Collaborate with client teams to build scalable, reusable solutions, translate analytics into clear business outcomes, and lead new workstreams from definition through delivery.

Lead end-to-end qualitative and quantitative user research for B2B products, translate findings into actionable insights to influence product, design and business strategy, create deliverables and workshops, mentor colleagues, champion user-centricity, and use AI tools to accelerate research while validating outputs for accuracy.

Lead and manage a team of data scientists and market researchers to design, prototype and deliver MVPs and scalable applied data-science solutions for CPG clients. Define solution scope, translate commercial ideas into technical designs, drive innovation with advanced analytics/ML, promote reuse of science/code, and ensure quality, risk management and team development.

Lead research and prototyping of transformer-based models for retail challenges, design novel architectures, build research-grade prototypes, support productionisation, mentor data scientists, and partner with engineering, product, and academic collaborators to embed generative, multimodal, and representation-learning advances into scalable solutions.

Manage international tax affairs across global entities: oversee outsourced tax compliance, tax accounting and provisioning, transfer pricing, and advise on restructurings, acquisitions, disposals and financing. Maintain tax controls, monitor legislation, and act as primary contact for external advisers, auditors, and tax authorities.