Top Python Jobs in London

The Senior Research Scientist will conduct high-impact AI safety research, lead evaluations and red-teaming projects, and support academic publication efforts in applied AI safety.

As a Full Stack Software Engineer, you will build and scale AI-powered systems, collaborate with teams, and develop full-stack software solutions that drive significant impact.

As a Senior Data Scientist, you will lead teams to deliver algorithms for clients in defense, mentor junior data scientists, and ensure projects meet technical feasibility and timelines.

As a Machine Learning Engineer, you'll build and deploy production-grade ML software, lead technical decisions, and collaborate with teams to deliver AI solutions.

The IT Operations Analyst provides hands-on IT support, managing onboarding, troubleshooting tech issues, overseeing security settings, and improving processes to enhance employee experience.

The Senior Attack Monitoring Analyst monitors and responds to cyber security incidents, utilizing SIEM tools and threat intelligence to improve detection capabilities.

The Director of Global Client Finance Data & Platform will lead data architecture and operations, manage data pipelines, and oversee the integration and reporting of financial data, ensuring quality and accessibility for Global Client Finance's strategic analysis.

Lead the risk domain across trading businesses, define strategy, oversee trading risk, implement quantitative models, and improve automation and controls.

As a Senior DevOps Engineer, you will design and operate scalable infrastructure, maintain CI/CD pipelines, optimize container environments, and collaborate with teams to deliver technical solutions.

As a Treasury Data Engineer, you will design and maintain data pipelines, onboard new storage layers, and collaborate with teams to enhance Treasury analytics.

Analyze transaction and customer data for financial crime detection using SQL. Design detection rules and collaborate with risk and compliance teams.

Develop and maintain Dialpad's native Salesforce integration and other integrations, write architecture and tests, participate in code reviews, build well-tested, maintainable features, and support Agentic AI initiatives.

The Forward Deployment Engineer accelerates AI platform adoption by embedding with customer accounts, translating business challenges into AI systems, and collaborating with sales and product teams.

As an Infrastructure Engineer at WRITER, you'll automate infrastructure management, design scalable solutions, ensure system reliability, and lead incident response, impacting enterprise AI workflows.

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

The Principal Computer Vision Engineer will lead a team to develop computer vision and tracking systems for sports performance technology, optimizing models, and ensuring system reliability.

As a Senior Front Office Software Engineer, you'll optimize trading processes and build Python-based services and cloud-native tools in a fast-paced environment.

One-year graduate software engineering program rotating through backend teams. Ship production Python code, build FastAPI endpoints, integrate external APIs, and work with Postgres/MySQL. Collaborate cross-functionally with data science, risk, underwriting and product teams while receiving mentorship and career development.

Design, build, deploy and operate voice, video and chat features on an AWS Connect-based conversational platform. Support and transition legacy services to a cloud-native stack, participate in code reviews and design discussions, and work in agile DevOps teams to ensure platform stability and continuous improvement.

First data scientist at a London startup responsible for designing and implementing end-to-end ML pipelines for predicting mobile app conversions. Build AutoML and time-series behavioural models, deploy and monitor models in production, create robust data ingestion and API connectors, and collaborate with engineering and founders to scale the platform and mentor future hires.

Lead engineer responsible for architecting and scaling fiat-to-crypto payments: bank and card integrations, real-time risk and compliance, double-entry ledger reconciliation, hot-wallet operations, idempotent APIs, event-driven exactly-once financial flows, and observability using OpenTelemetry and Grafana.

Design, scale, and operate multi-region, high-availability cloud infrastructure; lead incident response and on-call rotations; build automation and tooling in Python/Go; enforce risk, security, and operational standards; mentor teams and drive infrastructure architecture decisions.

Design, build and deploy production-grade ML systems for retail and consumer clients. Lead technical scoping, architecture and best practices, collaborate with data scientists and engineers, operationalise models, and advise customers to deliver scalable, secure ML solutions that drive business outcomes.

Design and deliver bespoke data science solutions, scope technical feasibility, build scalable algorithms and software, advise clients, set technical standards for project teams, and contribute to thought leadership and delivery of high-impact AI projects.

Lead analytics for NBCUniversal entertainment campaigns, focusing on incrementality (MMT), econometrics, and predictive modelling. Collaborate with US advanced analytics and local markets to deliver campaign reviews, translate results into actionable recommendations, assess data readiness, support matched market selection, and help integrate learnings into local practices.