Top Python Jobs in London

Lead data visualisation and reporting strategy: design interactive dashboards, standardise metrics, modernise executive reporting, embed visualisations into SaaS products, develop data storytelling frameworks, translate complex analytics into actionable narratives, and train teams to drive insight adoption across the organisation.

Design, train, evaluate and deploy robust deep learning models from sensor input to user interface; integrate models into cloud and edge systems; work with customers to define problems; document, monitor and ensure safe, secure production AI solutions.

Provide technical and functional support for Stackline's SaaS platform: troubleshoot issues, query databases and logs, write scripts to automate tasks, document solutions, meet SLAs, and collaborate with Product, Sales, and Marketing to resolve customer problems and improve the product.

Support building and optimizing data ingestion, ETL, and transformation pipelines using Python and SQL. Work with Snowflake and cloud platforms to store and validate structured and semi-structured data, automate workflows (Airflow), conduct data quality checks, and document pipeline architecture for use by trading and analytics teams.

Summer internship contributing to front-office trading analytics: build Python microservices and APIs, develop real-time trading tools and visualizations (Streamlit), work with cloud-native AWS services, Kubernetes, Kafka and Snowflake, support CI/CD and DevOps, and help integrate ML-driven analytics into trading workflows.

Summer internship on the Global Data Science team to develop and optimize time-series forecasting models (ARIMA/SARIMA, XGBoost, LSTM). Support end-to-end data ingestion, back-test datasets, collaborate with traders and analysts, and conduct ad hoc research on energy fundamentals and analytics trends.

Design and build production data models and metrics using DBT and cloud data platforms. Drive metric ownership, cross-functional analytics, and scalable data products. Lead technical projects, improve data architecture and processes, and advise teams on analytics, FinOps, and AI-assisted workflows to enable data-driven decisions across the company.

Design, build, and maintain corporate IT systems and automations for a fast-growing AI company. Own identity and access management (Okta, SSO, SCIM, RBAC), manage core SaaS platforms (Google Workspace, Slack, Microsoft 365), create Python/Terraform automations and integrations, lead IT projects, escalate complex identity/MDM/authentication issues, and build AI-assisted tooling to accelerate IT operations.

The Senior Python Developer is responsible for designing, developing, and maintaining software systems using Python. This role includes mentoring junior developers, ensuring code quality, and collaborating with cross-functional teams to meet project requirements.

Lead technical strategy and architecture for personalization, designing scalable systems for personalization, search, recommendations and ML features. Partner with Product, Data Science, and Design, influence cross-team technical decisions, mentor senior engineers, and improve engineering quality, reliability and productivity through tooling and best practices.

Build and maintain scalable, reliable backend infrastructure for a fintech platform: data pipelines, integrations, AI/LLM infrastructure, compliance automation, and user-facing APIs. Own performance, observability, security, and correctness for systems handling regulated financial data. Contribute to architecture, documentation, and operational excellence as the platform scales.

Own and deliver end-to-end product features across backend and frontend (Go, TypeScript, Python). Integrate LLMs and AI (prompt engineering, RAG) into adviser-facing workflows, collaborate with Product and Design, ensure regulatory-compliant, well-tested code, estimate and ship to deadlines, and shape product direction.

Build, test, and document dbt models in BigQuery to power reporting and BI. Partner with BI and backend teams, improve warehouse performance and costs, and contribute to data governance and semantic layers.

Design, build, and maintain Azure DevOps CI/CD pipelines for Oracle PeopleSoft across environments. Replace legacy deployment processes, manage releases, perform environment refreshes/patches, automate Data Mover/Change Assistant/PUM tasks, enforce version control and security, troubleshoot deployments, and collaborate with stakeholders to improve deployment efficiency and operational stability.

Set technical direction and architecture for backend systems and API integrations in a distributed microservices fintech platform. Design and implement reliable, highly available RESTful APIs, build third-party integrations, enforce observability and CI/CD best practices, optimize performance and scalability, produce technical documentation, and mentor engineers to raise engineering quality.

Lead a multidisciplinary Core Services engineering squad to design and operate distributed microservices for ledgers, balances, billing, and repayments. Translate product requirements into technical solutions, build integrations and REST APIs, enforce observability, maintain docs, improve performance and scalability, and drive CI/CD and infrastructure-as-code practices.

Lead the Core Services squad to design and implement scalable distributed microservices for ledger, billing, repayments and reconciliation. Translate product requirements into technical solutions, build integrations and REST APIs, enforce observability and CI/CD, create reusable libraries, maintain docs, and drive system performance and cross-team alignment.

Design, build, and maintain backend microservices and RESTful APIs; integrate with third-party vendors; ensure scalability, observability, and reliability; own technical architecture, CI/CD, and documentation; optimize databases and message-driven systems.

Deliver and check hydraulic and water‑quality models (Flood Modeller, TUFLOW, MIKE, HEC‑RAS, ICM, SIMCAT) for flood alleviation, risk assessments and reservoir studies; scope modelling approaches; perform hydrological assessments (FEH, ReFH2, WINFAP); lead tenders; mentor staff; manage client relationships and project delivery across fluvial, coastal, surface water and drainage projects.

Lead hydraulic and water-quality modelling projects using industry software, scope modelling approaches, perform hydrological assessments, tender support, mentor junior staff, liaise with clients and deliver flood risk management and reservoir flood studies to programme and budget.

Lead technical delivery of flood risk and water quality modelling projects. Develop and check hydraulic and water-quality models, undertake hydrological assessments, scope modelling approaches, lead tenders, mentor junior staff, and liaise with clients and multidisciplinary teams to deliver fluvial, coastal, surface water and drainage flood risk management solutions.

12-month graduate accelerator that trains early-career candidates in technical presales across collaboration, security, networking, and cloud. Participants complete immersive bootcamp, three rotations, earn certifications, use AI-enabled learning, and transition into Solutions Engineer roles in Global Virtual Engineering.

Support sales by designing and demonstrating Cisco cloud, data center, and AI-ready infrastructure solutions. Engage customers to assess modernization goals, craft platform architectures, present technical value, run workshops, and collaborate with account teams and partners to drive adoption of compute, storage, networking, and cloud-native technologies.

Lead and manage multiple rapid incident response engagements: coordinate forensic investigations, prioritize tasks, brief customers, produce MITRE-mapped executive reports, guide remediation, mentor analysts, and hand over incidents across time zones.

The Associate Director will lead the Analytics team, focusing on media measurement, campaign analysis, and client communication to improve campaign performance for major brands.