Top Python Jobs in London

Lead and grow the IT Engineering team while hands-on securing endpoints, offices, networks, and SaaS tools. Implement automation-first workflows (scripting, IaC), manage MDM and identity systems, support office buildouts, ensure SOC 2/ISO 27001 compliance, mentor engineers, and collaborate with Security and Operations.

As a Senior CSIRT Analyst, you will investigate security incidents, respond to threats, mentor junior analysts, and improve detection capabilities using cloud security tools.

As a Software Engineer on the Agent Engineering team, you'll design and build AI agents to enhance customer interactions, collaborating with various industries and addressing complex challenges.

The role involves developing machine learning models, optimising system performance, and collaborating with diverse teams on innovative projects.

Conduct research using machine learning techniques to develop investment strategies, leveraging extensive data and computational resources.

As a Platform Engineer, you'll build and operate distributed analytics platforms, collaborate with teams to enhance capabilities, and drive improvements in automation and observability.

As a Quantitative Developer, you will engineer high-quality software, collaborate with researchers on trading and modeling systems, and optimize performance in financial markets.

The Senior ML Infrastructure Engineer will manage and optimize the ML infrastructure, focusing on training pipelines, model serving, and collaboration with research teams.

The Senior Simulation Data Engineer will manage the end-to-end data pipeline for simulation, ensuring high-quality outputs for ML training and collaborating with research teams to optimize processes.

Join a public-sector digital transformation as a Solutions Architect: define architectural roadmaps, produce C4/UML artefacts, ensure secure, scalable designs, evaluate technology options, mentor delivery teams, and represent architecture in governance and stakeholder forums.

The Senior Applications Developer and Data Specialist will develop and support core business applications and data platforms while ensuring secure development practices and engaging with business teams for process optimization and automation initiatives.

As a Senior Data Platform Engineer at Depop, you'll architect and build data platforms, working with various teams to enhance data capabilities, support complex business problems, and promote self-service tools while ensuring operational excellence and effective stakeholder collaboration.

The Staff Infrastructure Engineer will lead the strategy for agent-driven cluster lifecycle management, ensuring secure and scalable compute systems while mentoring junior engineers.

Lead design, deployment, and iteration of large-scale ranking models (recommendations and search). Collaborate cross-functionally, manage end-to-end ML lifecycle, drive research and innovation, and mentor team members while delivering measurable product outcomes.

The AI Product Owner will define, shape, and deliver AI capabilities, manage the AI product roadmap, engage with clients, oversee SDLC delivery, ensure compliance, and support internal teams.

The Senior Software Engineer leads technical projects, mentors junior engineers, and designs high-quality software solutions in a SaaS environment.

The Helix Software Engineer will manage the ISAM Helix Trading System, improve trade execution, onboard new brokers, and enhance system architecture while supporting production.

As a Software Engineer, you'll develop and enhance core analytics libraries using C++ and Python, collaborate with quants and traders, and ensure high-quality software delivery.

As a Staff Software Engineer, you will drive technical execution and collaboration across teams, enhancing project timelines and leading solutions for business problems.

The Senior Software Engineer will lead projects, improve code architecture, ensure operational readiness, and collaborate with teams while contributing to technical execution and mentorship.

As a Senior Fullstack Engineer, you'll design and develop features for a legal AI application, focusing on frontend technologies, while collaborating with a cross-functional team in a fast-paced environment.

As a Staff Code Quality Engineer, you'll architect quality systems, define automated gates, reduce technical debt, and drive engineering excellence with data-backed improvements.

Lead UK pricing for Motor, Home, Pet and SME products by developing data-driven pricing frameworks, building and implementing actuarial models, monitoring portfolio performance, performing ad-hoc analytics, and collaborating with MGAs and internal teams to ensure profitable, compliant pricing.

As a Senior Machine Learning Engineer, you'll lead the development and productionisation of ML models for customer support, ensuring reliability and collaborating with stakeholders for scalable solutions.

As a Senior Data Scientist, you'll analyze data to inform strategic decisions, lead experiments, and communicate insights to diverse stakeholders at Deliveroo.