Top Python Jobs in London

Lead various audits, utilize data analytics for insights, engage stakeholders, contribute to audit planning, and mentor junior auditors.

As a Reserving Manager, you will oversee quarterly reserving activities, providing actuarial insights and developing the Reserving Analyst. You will utilize innovative techniques and data science to enhance the reserving process.

The Full Stack Architect will design and develop scalable cloud-native solutions for airlines, utilizing various programming languages, AWS services, and infrastructure automation tools, while mentoring junior engineers and optimizing application performance.

As an Insurance SME, you will leverage expertise in pricing and underwriting to advise clients, support transformation journeys, and contribute to innovations that reshape pricing processes, working closely with senior stakeholders.

The Data Engineer will design and maintain data infrastructure, develop data warehousing solutions, automate ELT pipelines, and ensure data governance while collaborating with stakeholders.

Join our GenAI development team to create cutting-edge AI solutions. Work with Python and large language models in a collaborative environment.

The Senior Data Analyst at AJ Bell will lead data analytics, support cloud transformation, deliver analytical insights, mentor junior analysts, and engage with stakeholders to drive decision-making.

As a Senior Full Stack Engineer, you'll lead features end-to-end, focusing on user experience, optimizing performance, and collaborating closely with cross-functional teams to deliver impactful results.

Lead the development of the proprietary risk engine to enhance fraud detection and risk mitigation for payment processing. Collaborate with various teams to define product strategy, manage metrics, and optimize technical capabilities.

Work cross-functionally to design and execute data-driven strategies across pricing, promotions, forecasting, growth, credit risk, and product analytics. Build models and monitoring, evaluate new product/channel opportunities, present insights to leadership, validate deployed strategies, and mentor junior analysts to scale the business.

As a Data Engineer intern, you will develop data processing pipelines, collaborate with professionals, and create cloud-based infrastructure for investment insights.

The Platform Engineer will build and enhance the internal technology platform, focusing on automation, collaboration, and continuous improvement while applying DevOps and SRE principles.

Design, develop and deploy predictive models for pricing and claims outcomes. Build and maintain modelling tools, investigate new rating factors, and support production ML tooling to improve predictive performance and efficiency.

Design, build, and maintain cloud infrastructure, services, and APIs; integrate backend systems with an embedded platform; write automated tests, debug issues, and apply secure distributed systems practices to ensure scalable, reliable operation.

Develop and maintain security-focused cloud services and infrastructure, design APIs and backend systems, integrate with embedded platforms, fix bugs, write automated tests, and apply cloud and secure software best practices to ensure scalable, reliable, and secure operation.

Design and deliver tailored retail media integrations and demos, support sales with technical discovery, architect scalable solutions, lead RFP responses, and ensure GDPR/CCPA-compliant data and measurement workflows for EMEA clients.

As a Platform Engineer, you'll design and maintain Azure infrastructure, develop infrastructure-as-code, support CI/CD pipelines, and collaborate across teams.

Lead a team of engineers, oversee project delivery, contribute to architecture, write high-quality code, foster engineering culture, and collaborate closely with product teams.

Build and own end-to-end data pipelines, write production Python code, ensure reliability and data quality, collaborate with product and data science, and apply AI where valuable.

The Senior Quantitative Analyst will lead the team in developing pricing models, optimizing risk strategies, and mentoring junior analysts in a fast-paced financial trading environment.

Design, develop, and productionise ML models for Ads ranking, bidding, and relevance. Build monitoring/evaluation frameworks, collaborate with product and engineering, and ensure scalable, reliable ML solutions.

Serve as the highest technical escalation for Support, diagnose and reproduce complex integration and workflow issues, partner with Engineering, improve escalation processes, and directly support enterprise customers across procurement, ERP and identity integrations.

As a Founding Engineer, you will develop innovative features, integrate AI into products, design APIs, and shape backend infrastructure while ensuring high-quality outputs and rapid feature delivery.

Lead marketing measurement and forecasting to optimise growth. Design and analyse geo-lift and A/B experiments, partner with marketing and finance to measure LTV and campaign ROI, and work with engineers to ensure correct data collection and reporting.

Lead credit strategy for Monzo's credit card products: design underwriting and limit strategies, analyse portfolio performance and profitability (NPV), build segmentation and forecasting, run deep-dive analyses, partner with Product/Engineering/Data Science, evaluate commercial/customer impacts, present recommendations to senior stakeholders, and ensure regulatory and governance alignment.