Top Tech Jobs & Startup Jobs in London

Support the Sourcing team by managing supplier relationships, maintaining supplier data and trackers, analysing sourcing and cost data, assisting with costings and sampling, supporting cross-functional projects, and helping deliver sourcing strategy and compliance with sustainability and ethical trade standards.

Build, evaluate, and deploy machine learning models across the full lifecycle to solve business problems, run experiments, extract insights from large datasets, and collaborate with engineers and stakeholders to deliver scalable, impactful solutions.

Design and industrialise production-grade LLM systems and reusable AI platforms on Azure. Build RAG pipelines, agentic workflows, orchestration, evaluation and observability frameworks, and safety guardrails. Optimize for performance, cost and reliability while enabling horizontal reuse across squads and embedding AI risk controls.

Manage compliance for flexible fulfilment, payments, and co-branded credit card activities. Oversee AR regime, identify and mitigate financial crime risks, maintain compliance frameworks, run monitoring and training, conduct regulatory impact assessments, and provide second-line oversight across cross-functional teams.

Design and build Azure-based AI platform capabilities for agentic AI. Create standards, templates and reference implementations for LLMs and agents, ensure secure model access, observability, LLMOps, CI/CD, governance, and reliable production operation.

Design, build and operate cloud-native .NET microservices for ASOS Payments. Deliver high-quality, test-first features, ensure scalability and reliability, define CI/CD and IaC, and collaborate in Agile teams to support production services at hyper-scale.

Lead technical direction and architecture across multiple teams for ASOS customer-facing apps and web. Define standards, resolve cross-team dependencies, champion experimentation and A/B testing, improve engineering practices, coach senior technical leaders, and represent engineering in senior stakeholder discussions to balance delivery speed with long-term platform sustainability.

Own the press side of campaigns: build and maintain relationships with fashion and lifestyle media and stylists, secure placements, translate campaigns into culturally credible press coverage, work with internal teams to land product stories, manage multiple priorities at pace. Hybrid role with minimum three days per week in the office.

The iOS Engineer will enhance customer experiences on ASOS apps, deliver quality features, work with designers, and maintain codebase integrity.

Lead regional online trading performance through analysis of sales, traffic and conversion KPIs; deliver reporting and forecasting; support marketing campaigns, competitor intelligence, P&L management, and cross-functional optimisation to improve customer experience and commercial results.