Top Python Jobs in London

Manage and monitor counterparty exposures and market risk for Marex Solutions across OTC, structured and exotic derivatives. Evaluate derivative structures, enforce risk and limit frameworks, assess new products, partner with trading/structuring/validation/finance, deliver governance and reporting, and ensure regulatory compliance including stress testing and capital requirements.

The Risk Software Developer will enhance Marex's Risk Engines and integrate applications while collaborating with teams to improve business processes and reporting. Key responsibilities include coding, documentation, quality assurance, and stakeholder communication in a fast-paced environment.

Work directly with enterprise customers to design, implement, and deploy production-ready AI agents using IFS Loops. Integrate with customer systems, tune agent behavior, troubleshoot deployments, iterate for performance and adoption, and document/handoff stable solutions to engineering or support teams.

The Senior Backend Software Engineer will design, build, and maintain scalable backend systems. Responsibilities include collaboration with teams, API implementation, and ensuring best practices in software engineering.

The Growth Analytics Lead will analyze growth data, define KPIs, conduct complex analyses, and support strategic recommendations for business performance.

Act as the first point of contact for customer support inquiries, resolving common issues related to APIs and onboarding. Escalate complex problems, document recurring questions, and assist in community management.

Drive the end-to-end lifecycle of neurosymbolic AI projects, design language generation systems, and collaborate on innovative machine learning solutions.

As a Lead ML Engineer, you'll design and build recommendation systems, combining AI and user preferences to enhance shopping experience, overseeing the ML lifecycle from models to deployment.

As a Backend/Fullstack Engineer at Hook, you'll design and build product features, manage architecture, review code, and improve processes, focusing on both frontend and backend development using Python and React.

The Senior FPGA Design Engineer will work on developing FPGA systems to enhance trading efficiencies and explore new opportunities, collaborating closely with traders and technologists.

The role involves researching, developing, and implementing systematic trading strategies while managing portfolio risk. Candidates should have a quantitative background and strong coding skills.

Maven seeks a Senior Linux Engineer to manage Linux server environments, implement automation, and ensure system stability across multiple global locations.

Lead Maven's Market Data function operationally and technically, building AI-driven vendor analytics, contract digestion, entitlement audits, data inventory and reporting. Own AI/automation roadmap, vendor negotiations, vendor analytics, onboarding, compliance, and day-to-day operations across regions while managing a junior administrator and partnering with procurement, legal, finance, and engineering.

Lead the design of data platforms for AML/KYC and Fraud products, shaping data systems, coaching engineers, and setting technical direction across teams.

Lead architectural design and engineering build-out of company-wide MLOps and agentic AI platforms. Develop and productionize ML/LLM models, RAG, multi-agent systems, and GNNs; implement training, evaluation, serving, feature/vector stores, monitoring, and CI/CD; set engineering standards; collaborate with data science and senior stakeholders; represent company externally.

As a Senior Data Scientist, you'll develop predictive models that drive business decisions, work with data engineers on infrastructure, and collaborate with various stakeholders to improve operational effectiveness.

Design and implement software solutions for government clients, ensuring high quality and adherence to coding standards while collaborating with cross-functional teams.

The Product Technical Lead will oversee the AI software product's development, guiding technical design, architecture, and implementation while mentoring the team in an Agile environment.

The Risk Manager will build the risk management function, assess risks, ensure compliance, and develop controls for growth across payments and financial crime.

Manage and improve 6-month inventory forecasts and replenishment for SKUs, track forecast accuracy, set reorder/safety stock levels, run scenario planning for demand/supply risks, and represent demand planning in S&OP meetings to optimise stock and replenishment.

The Analytics Director leads the analytics function, overseeing projects, managing teams, nurturing client relationships, and driving innovation in data solutions for clients globally.

Senior subject-matter expert in operational risk and controls responsible for customer data operations, index building/management, data quality, governance, automation/AI integration, and mentoring junior team members while supporting cross-functional delivery.

Lead end-to-end customer analytics engagements, translating complex data into actionable insights to support decision-making and compliance. Design advanced analytics workflows and mentor junior analysts while improving processes through innovation and best practices.

Develop and maintain treasury systems, optimize trade processing, collaborate with software engineers and finance teams, and improve service performance.

As a Quantitative Research Analyst, you will develop models, conduct complex data analysis, and work with stakeholders to optimize investment strategies.