301 to 325 of 378 Python Jobs in the City of London

Role: We are looking for an experienced, highly motivated Python developer with expertise in building robust data pipelines, creating and manipulating DataFrames, and turning defined specifications into reliable, production grade scripts. The role centres on developing and orchestrating the data infrastructure behind a systematic research platform: document analysis engines that … groundwork for a scalable SaaS platform. Any other ad hoc duties that may be required from time to time Technical Requirements: Proven experience with Python, especially Pandas and NumPy Mastery of SQL and PostgreSQL: schema design, complex queries, indexing and performance optimisation, beyond basic querying Experience with pipeline orchestration ...

Tech Programme Management, Data Technology and Analytics, and Systems across the wider IT department. Core Technology Environment Java 25 server-side applications, supported by Python for simpler scripts. React web applications, SQL Server databases and C# native front ends. KDB time-series storage and analysis. Informatica UltraMessaging and Chronicle-based … experience: React, which is a key technology for the team. SQL databases and queries, including Microsoft SQL Server, Oracle or Sybase. C# GUI development. Python scripting or programming, potentially using libraries such as SciPy. KDB querying, management or maintenance. Chronicle, Influx or Grafana. Financial services experience is not essential. Strong ...

external data sources in Google BigQuery and Power BI to support Canon's ITCG marketing, ecommerce and CRM team initiatives. Perform exploratory analysis using Python/R and SQL to uncover trends, anomalies, and business opportunities in ITCG digital marketing and sales data and present back insights and recommendations … concepts and structuring new data tables Knowledge of cloud-based data warehousing (Google BigQuery) Experience developing in a BI tool (Power BI or similar) Python or R proficiency, particularly in areas of automation and integrations Canon Core Behaviours Drive for results Focus on the Customer Take ownership and accountability ...

evolve our core infrastructure, driving automation across the stack through unified CI/CD pipelines. The role emphasizes IaC with Terraform and Ansible, Python-based automation, and provisioning across observability, security, and container ecosystems, with a hybrid work arrangement. #J-18808-Ljbffr ...

Software Engineer working directly with quantitative research teams within a systematic trading, quantitative investment or hedge fund environment. Strong software engineering fundamentals and advanced Python development experience. Proven experience building technology platforms that support quantitative research and systematic trading workflows. Strong understanding of systematic investment strategies and quantitative research methodologies. ...

consumer data and explore new ideas at a pace that is often difficult to achieve within a larger organisation. You'll bring strong Python, SQL and Spark fundamentals, along with genuine enthusiasm for how AI is transforming data engineering. You'll already be using AI-assisted development tools such … code they produce. Key Responsibilities Design, build and optimise scalable data pipelines and ETL/ELT processes. Develop and maintain data engineering solutions using Python, SQL and Spark. Work with large and complex datasets, ensuring data quality, reliability and performance. Use AI-assisted development tools to support coding, problem solving ...

role in developing and improving the data platform, building scalable data pipelines and working with large volumes of consumer data. Strong coding fundamentals across Python, SQL and Spark are key, alongside a genuine interest in how AI is changing data engineering. You will already be using AI-assisted development tools … continues to scale. Key Responsibilities Design, build and optimise scalable data pipelines and ETL/ELT processes. Develop and maintain data engineering solutions using Python, SQL and Spark. Work with large and complex datasets, ensuring data quality, reliability and performance. Use AI-assisted development tools to support coding, problem solving ...

maintaining large scale risk infrastructures/systems using strong programming experience in at least one compiled or scripting language (e.g. C, C++, Java, Python, Scala) Experience in designing highly scalable, efficient systems Effectively communicating results and outputs from the model and insights from analysis QUALIFICATIONS Post graduate degree/Bachelor … speaking to technical and business audiences and working globally Strong programming experience in at least one compiled or scripting language (e.g. C, C++, Java, Python) Experience in designing highly scalable, efficient systems Familiarity with financial markets, financial assets and risk management practices is a plus ABOUT GOLDMAN SACHS At Goldman ...

orchestration, data governance, and enterprise integration patterns.Experience with prompt engineering, agent lifecycle management, and hands-on prototype development.Hands-on proficiency in programming (e.g., Python, JavaScript, SQL) and data frameworks.Understanding of agent interoperability standards (MCP, A2A) and the broader external agent ecosystem.Experience operating in complex, matrixed enterprise environments across multiple EMEA … Deep familiarity with Informatica (IDMC) for enterprise data integration and MDM, alongside Snowflake, Databricks, BigQuery, and Redshift.AI & Agentic Architecture Foundational ML concepts, data preparation, Python, applied AI, Generative AI, prompt engineering, retrieval-augmented generation (RAG), vector stores, and agentic architectures. Hands-on familiarity with platforms like Databricks, Snowflake, SageMaker ...

initial 5-month contract. The role is fully remote in the UK, paying £400-£575 per day Inside IR35. You will focus on Python development, packaging, CI/CD and automation, collaborating with security, platform and engineering teams to deliver reliable, developer-friendly solutions. Responsibilities include building secure Python paths ...

Xcede Limited is seeking a Python Engineer to join a UK public sector transformation programme. You will help establish a secure, scalable Python package management capability for development teams, integrating with CI/CD and platform services. Expect predominantly remote work with travel to London/Manchester as needed. … role requires strong Python skills, experience in package management and enterprise repositories, plus Active SC Clearance. Start targets late Sep/Oct 2026. #J-18808-Ljbffr ...

Python Developer - GenAI Salary: £45,000 - £55,000 plus benefits, perks and healthcare options Locations: London, Bristol, Manchester, Glasgow or Newcastle Job Type: Permanent Hybrid/2 days per week onsite Occasional travel to client sites Requirements: SC eligibility & full right to work in the UK required (no sponsorship available … Role: We're looking for hands-on Python Developers at Consul click apply for full job details ...

seeking a skilled Python Engineer to join the expanding Front Office Automation team of a major Commodities Trading company based in London. Working directly with the business, you will collaborate across teams to directly impact the business and its success. You will Design and develop scalable, high-performance automation solutions … optimise and streamline business processes. This is a great opportunity to join a fast paced environment working on greenfield projects. Key Requirements: Strong Commercial Python skills Experience working in a Financial/Trading environment Great communication skills The role is London based and fully on-site. Salaries up to 120k ...

Backend Software Engineer/Developer (C# .Net AWS Python) London/WFH to £100k Would you like to join a growing and profitable start-up that is viewed as a leading FinTech disruptor in a senior role that will allow you a great deal of influence and progression … experienced Software Developer/Engineer with a strong knowledge of modern best practice You have strong C# backend development skills, ideally also Python coding skills You have a good knowledge of AWS You have experience of working on highly scalable systems You have a strong knowledge of Computer Science fundamentals ...

source and design and build working software solutions rapidly in response. You will design, prototype, and ship across a broad technology stack, including Rust, Python, TypeScript, SQL, REST APIs, and cloud infrastructure on AWS, GCP, or Azure, often delivering within days rather than months. The Company This is a chance … involving direct deployment or technical consultancy alongside enterprise clients. Practical, demonstrable ability across full-stack development, with exposure to languages and tooling such as Python, TypeScript, Rust, or SQL, plus comfort working across cloud environments. A track record of shipping functional software quickly in ambiguous, fast-changing conditions. Strong communication ...

week onsite in London. Accountabilities Play a pivotal role within the backend engineering team, helping to build cloud-based applications. Develop backend solutions using Python and AWS Cloud services. Adopt a serverless-first approach to application design. Collaborate within an Agile team alongside other backend engineers and product designers. Strategise … drive continuous improvement across development practices and technical solutions. Knowledge and Skills Demonstrable experience working as a Senior Backend Developer. Strong commercial experience with Python as a primary development language. Hands-on experience developing RESTful APIs and/or GraphQL. Experience with AWS Cloud services. Experience with serverless architecture ...

ability to investigate logs, identify patterns and resolve complex platform issues Excellent communication and collaboration skills Experience with scripting or programming languages such as Python, Bash or Go would be beneficial Experience with Prometheus, Grafana, OpenTelemetry, GitOps or service mesh technologies would also be advantageous Responsibilities for Platform Engineer Graduate … Cloud Infrastructure Engineer/Kubernetes/Terraform/CloudFormation/Infrastructure as Code/IaC/GitHub Actions/GitLab CI/Jenkins/Python/Bash/Go/Prometheus/Grafana/OpenTelemetry/GitOps/Service Mesh/Containers/Container Orchestration/CI/CD/ ...

evolve our engineering practices. Responsibilities Leading architectural design and ensure technical consistency. Designing, developing, and maintain generative AI services and reusable components using mostly Python and a little bit Java. Defining and promote best practices in engineering, including scalability, observability, testing, and CI/CD. Contributing to system designs spanning … experience contributing to technical architecture for large-scale platforms or services. Solid understanding of software development methodologies and data modeling principles. Deep expertise in Python and Java. Proficiency in backend development and familiarity with modern AI/LLM tools and frameworks (e.g., LangChain, LangGraph). Experience with Kubernetes ...

Python Technical Lead Salary: £90-120K work model: Hybrid Were looking for a Python Technical Lead to drive the architecture, development, and delivery of high-performance financial systems. Youll lead a team of engineers building scalable platforms that power real-time transactions, risk analytics, and next-generation digital financial ...

Alvar Financial Services seeks an experienced Python developer to build robust data pipelines and transform financial filings into structured data. You will orchestrate data feeds, ensure data quality, and extend backend APIs for a scalable SaaS platform. The role emphasizes production-grade scripting, documentation, testing, and collaboration with analytics ...

ABOUT THE ROLE As an Analytics Engineer at Onmo, you will be the day-to-day owner of the business-ready layer of our Databricks lakehouse: the dimensional models, governed metric definitions and self-serve ...

thrives on high-performance environments and loves automating infrastructure. In this role, you will manage large-scale Linux systems, eliminate manual work with Python and Ansible, and ensure seamless network traffic flow across critical financial systems. Key Responsibilities Linux Systems Admin: Keep core Red Hat/Linux server infrastructure fast … secure, and resilient. Automation: Write clean scripts and playbooks in Python , Bash , and Ansible to automate repetitive tasks and system deployments. Network & Traffic Management: Manage load balancing, SSL, and network traffic across F5 BIG-IP and core TCP/IP infrastructure. Troubleshooting: Diagnose and resolve complex infrastructure performance issues under ...

Python Software Engineer/Developer London/WFH to £80k Do you have strong backend Python software development experience? You could be progressing your career at the world's most advanced cybersecurity technology business that uses AI technology to protect clients across the globe from advanced cyber threats, working alongside ...

Python Software Engineer/Developer (Agentic AI) London/WFH to £65k Want to work on intellectually and technically challenging AI systems at the cutting edge of what is possible, whilst learning and collaborating with an amazing team and enjoying flexible working and a range of other perks? You could … progressing your career as a Python Software Engineer at a well established AI company acting click apply for full job details ...

VIQU Limited is seeking a Python/Applied AI Engineer for a 3-month contract to support a customer project. The role is remote with a focus on building an AI chatbot using Python, LlamaIndex, and RAG pipelines, leveraging Azure/OpenAI and vector search for scalable results. Required: strong … production Python experience, hands-on LlamaIndex, and proven delivery of production RAG/LLM applications. You will extend LlamaIndex agents, integrate data sources, and ensure robust, well-tested code. #J-18808-Ljbffr ...