Top Tech Jobs & Startup Jobs in London

Design and build machine learning systems to detect fraud and policy violations, working with partners to translate requirements into effective models using LLMs and deep learning.

Provide operational support for legal and regulatory compliance: coordinate data collection and responses to legal process, privacy, IP, financial restraint and regulatory requests; maintain audit trails; liaise with internal teams and law enforcement; improve and automate compliance workflows; lead content moderation tooling (Cinder) improvements, testing and stakeholder coordination to ensure timely, accurate, and secure handling of inbound requests and reporting.

As a Senior Backend Engineer, you will design solutions, produce quality code, manage production incidents, mentor colleagues, and work with diverse tech stacks.

The Staff Machine Learning Scientist will design, develop, and maintain machine learning models for Depop's fashion resale platform, leading technical initiatives and collaborating across teams to drive innovation in ML solutions.

Design end-to-end experiences to help new sellers make their first sale, focusing on simplified onboarding, motivational design (milestones, progress), trust signals, and iterative improvements driven by research, data, and experimentation while collaborating with Product, Engineering, Data, Research, and CRM.

As a Machine Learning Scientist, you will research and deliver machine learning solutions, conduct experiments, and collaborate with stakeholders to improve Depop's app functionality for millions of users.

Join the Platform Core team to design, operate, and automate Depop's AWS-based infrastructure. Build and maintain Terraform/IaC, CI/CD pipelines, Cloudflare edge configurations, and platform tooling using Python/Golang. Mentor engineers, participate on-call, improve security posture, and drive platform reliability and developer self-service.

Build and maintain backend services for Depop's shipping journey. Design scalable systems, own features end-to-end, handle production incidents, contribute to architecture, collaborate cross-functionally, mentor teammates, and support CI/CD and testing practices.

As a Staff Backend Engineer, you'll lead the technical vision for Payments and Fulfilment systems, mentor engineers, and ensure scalability and security.

The Management Accountant will support the Finance team by implementing controls, performing system tasks in Workday, and maintaining financial reports during a transitional period. Responsibilities include leading reconciliations, supporting the finance managers, and enhancing finance processes.