851 to 875 of 4,701 Python Jobs in London

Title: Python Developer – Front Office R&D Trading Systems Location: London, UK Employment Type: Permanent or Contract About Margo MARGO is a tech-native consultancy delivering high-value-added IT expertise to the financial services industry. We specialize in complex Front Office environments where software engineering, quantitative logic, and production … ownership of the platform. The environment is characterized by rapid iterations, direct interaction with traders, and high reliability constraints. You will work primarily in Python , developing core frameworks, analytical libraries, and monitoring tools. Key Responsibilities Development & Engineering (Approx. 70%) Design, develop, and maintain Python-based core libraries and frameworks. Work ...

looking for a skilled AWS Cloud & Python Engineer to bridge the gap between application development and cloud infrastructure for a technically led & growing UK-based company. You'll own the full lifecycle of data transformation applications, from writing clean, efficient Python code to designing the AWS architecture that runs … days, probably?) for those based further afield - we can talk about this. Job title: Cloud Engineer. You are likely to come from a Python Developer background who has gone into AWS Devops, or an AWS DevOps background, with strong coding skill in Python. There is a lot of data ...

Machine Learning Engineer (MLOps Python LLM AWS) London/WFH to £90k Are you a senior Machine Learning Engineer looking for an opportunity to take ownership, working on complex and interesting systems? You could be progressing your career in a hands-on technical leadership role at a SaaS FinTech; their … infrastructure that enables the business to iterate and scale with confidence. There's a modern tech stack, you'll primarily be using Python and AI within an AWS cloud environment, collaborating and providing technical leadership to a small team. Location/WFH: You can work from home most ...

services across industries including banking, healthcare, telecommunications, and retail. The consulting firm has partnered with a global technology services organisation and is seeking a Python Developer with strong hands-on Java experience for a 12-month hybrid contract based in the UK (3 days on-site per week). … software development lifecycle. Don’t miss out on this exciting opportunity and apply today! Responsibilities Design, develop, and maintain agents, scripts, and applications in Python, integrating with Java components as applicable Build and enhance RESTful services using Spring and Spring Boot Develop and support Back End components and utilities using ...

Senior Data Engineer - Python Location London Business Area Marketing and Public Relations Ref # 10051497 Description & Requirements The Climate Data Utility Tech Team is actively searching for an experienced Senior Data Engineer to play a pivotal role in the design, implementation, enhancement, and maintenance of scalable data pipelines … validation procedures to ensure the accuracy and reliability of the data provided by the Utility. Responsibilities: * Design and develop scalable data pipelines using Python to read from APIs and structured files (Excel, Parquet). * Translate domain and source specific business logic into efficient code implementations to turn source data into ...

expert in those areas Participate in an on‐call rota and occasional weekend work to support production deployments What We’re Looking For: Strong Python scripting skills for building tools and automation Solid understanding of Linux (Red Hat) , with a focus on performance tuning Broad IT knowledge, preferably within … trading or financial services environment Hands‐on experience with: Scripting: Python, Shell, SQL DevOps tools: Jenkins, Ansible, Artifactory Monitoring: ITRS Geneos, Zabbix, or similar Networking: solid understanding of firewall infrastructure and multicast messaging Familiarity with electronic trading systems (FX or other asset classes) Exposure to low‐latency, high‐availability trading ...

decisions, improve existing systems, and grow your expertise in a supportive engineering environment. What You’ll Do Design, develop, and maintain backend services in Python 3.11 using Django/DRF Contribute to architectural discussions and technical decisions Work with MySQL and Redis to build reliable and performant systems Build … Contribute to improvements in our architecture, development processes, and internal tooling What We’re Looking For 3+ years of experience in backend development Strong Python skills and good knowledge of Django (or similar frameworks) Good understanding of relational databases , caching, and backend systems Experience with REST APIs and service development ...

Senior Data Engineer - Python Location London Business Area Marketing and Public Relations Ref # 10051497 Description & Requirements The Climate Data Utility Tech Team is actively searching for an experienced Senior Data Engineer to play a pivotal role in the design, implementation, enhancement, and maintenance of scalable data pipelines … validation procedures to ensure the accuracy and reliability of the data provided by the Utility. Responsibilities: Design and develop scalable data pipelines using Python to read from APIs and structured files (Excel, Parquet). Translate domain and source specific business logic into efficient code implementations to turn source data into ...

Global Bank ADA is seeking a Financial Engineering Specialist to join the Analytics, Digital & Architecture team in London. You will bridge software engineering, data analytics and financial modelling to design and deploy sophisticated analytics capabilities ...

Title: Python Developer (Backend) Location: Remote (Quarterly Planning Sessions in Bristol) Remuneration: £600 per day (Inside IR35 via Umbrella) Contract Details: Fixed Term Contract, Initial 6 Months with Multi-Year Extension Potential Responsibilities: Our client is seeking talented Backend Python Developers to join an innovative engineering team focused on building ...

difference. As a Full Stack Engineer in our team, you will design, build, and support scalable web applications and integrations. You will leverage Java, Python, and React to deliver AI-enabled features and capabilities. Your role involves collaborating with product, marketing, and partners to translate requirements into technical solutions. … compliance standards. Your work will help us deliver personalized and reliable experiences. Job Responsibilities: Design, develop, test, and maintain full-stack features using Java, Python, React, and AI-enabled servicesBuild reliable integrations with marketing systems such as CDP/CRM, campaign management, and attribution systemsImplement and optimize data flows ...

JPMorgan Chase & Co. is expanding its Public Cloud Engineering IAM team in the EMEA region. As a Senior Lead Software Engineer, you will shape the technical direction, guide system design, and drive engineering excellence across ...

EMEA. You will develop and enhance applications critical to the business, working closely with trading, sales, and Quantitative Research teams. Your expertise in Python and agentic development will drive automation and innovation. You will contribute to a global platform, ensuring stability and delivering high-quality solutions. This role offers … deployment practicesRequired Qualifications, Capabilities, and Skills: Hands-on experience with systematic trading technology platformsProven ability to develop, deploy, and maintain commercial service-oriented applicationsStrong Python skills and familiarity with agentic development (ADLC)Business knowledge of simple derivative products (vanilla options, variance swaps, strategies involving vanillas)Understanding of pricing and risk ...

faster: from serving data and research to letting users (and their AI agents) query, forecast, and act on it directly. We're hiring backend Python engineers to join one of our product teams: Terminal, Data, Ko (our AI Analyst), or Modelling. Each team owns a business capability … deeper infra, and pick up what you don't already know. What We’re Looking For The Essentials 3+ years of professional Python experience, with strong backend fundamentals. You write clean, well-structured code and are comfortable owning something end-to-end, from design through deployment and monitoring. Real, hands ...

faster: from serving data and research to letting users (and their AI agents) query, forecast, and act on it directly. We're hiring backend Python engineers to join one of our product teams: Terminal, Data, Ko (our AI Analyst), or Modelling. Each team owns a business capability … deeper infra, and pick up what you don't already know. What We’re Looking For The Essentials 3+ years of professional Python experience, with strong backend fundamentals. You write clean, well-structured code and are comfortable owning something end-to-end, from design through deployment and monitoring. Real, hands ...

software applications and systems Required qualifications, capabilities, and skills Hands-on practical experience delivering system design, application development, testing, and operational stability Strong Python Architecture and Development skills. Must also be familiar with developing solutions in a containerized environment Demonstrated experience leading effective use of approved AI-assisted software development ...

ensure user data privacy. You‘ll have the opportunity to shape our technical direction, architecture processes and culture. What you will be doing Write Python applications that are resilient, robust, and integrate well with other apps in a service architecture. Furthering Developer Experience (DevEx) by mentoring others in writing code … onboarding new team members; taking on end-to-end project management responsibilities as we grow. What we're looking for Strong proficiency with Python and Backend-Engineering Experience owning projects from start to finish, including speccing, architecture, development, testing, deployment, release and monitoring Strong skills in building maintainable tests, observability ...

associates a safe space to network, share ideas and create opportunities. Sound like the place for you? Join us! Cboe Europe is seeking a Python Software Engineer. As part of a small, talented development team, you will help build and expand the data pipeline and event streaming functionality … with our business development and sales teams to develop innovative new products and features for our exchanges. Designing and building highly reliable, highly testable Python systems to support Cboe Europe's trading operations. Contributing to complex projects including analyzing requirements and implementing new features. Collaborating closely with other developers ...

100709925360Posted: 2026-09-16Location: London, England, United KingdomCategory: Technology, Applications Development, ProfessionalCompany: CitiFull Stack Engineer - React/Typescript - Python (VP)Engineer the future of global finance. At Citi, our Tech team doesn't just support finance – we are helping to redefine it. Every day, $5 trillion crosses through … microservices architecture and developing scalable, resilient services. Demonstrated experience deploying and managing applications within containerization platforms like Kubernetes and OpenShift. Frontend Expertise: Experienced in Python-based frontend frameworks (e.g., Dash, Streamlit, or other relevant Python web frameworks) would be desirable. DevOps & Modern SDLC:Deep understanding and practical application of DevOps ...

Experience Mandatory Skills Strong experience in Front Office trading system development, ideally within electronic trading or market making environments Solid software engineering background with: Python (advanced) SQL/data handling Strong understanding of client-server and distributed architectures Experience working in Linux/Windows environments Proven ability to design ...

both run-and-maintain activities and transformative work by designing and developing new features. You will work with a wide range of technologies including Python, C#, Java, TypeScript, React, Terraform, and AWS/Azure. We always use the most suitable technology for each project, giving you the opportunity to learn … technical teams, with a proven ability to define technical strategy and architecture for multiple services. Full-stack or backend technical background with experience in Python and TypeScript (or similar). Cloud infrastructure experience with AWS or Azure and IaC with Terraform. Experience delivering UK Government digital services, with a strong ...

applied experience Hands‐on practical experience delivering system design, application development, testing and operational stability Demonstrable strength in a cloud based engineering environment Advanced Python - additional programming languages a plus Demonstrated experience leading effective use of approved AI‐assisted software development tools (e.g., for coding, code review, test acceleration, troubleshooting ...

junior engineers in the team Required qualifications, capabilities, and skills Hands-on practical experience delivering system design, application development, testing, and operational stability Advanced Python Architecture and Development skills. Must also be familiar with developing solutions in a containerized environment Demonstrated experience leading effective use of approved AI-assisted software ...

including data sensitivity considerations, secure handling of inputs/outputs, and adherence to resiliency and security expectationsPreferred qualifications, capabilities, and skillsHands-on experience with Python codingHands-on experience with object-oriented databasesFamiliarity with modern front-end technologiesExposure to cloud technologiesJ.P. Morgan is a global leader in financial services, providing strategic ...

high-performing market maker in London. This is a junior-to-mid role focused primarily on Java development, with a secondary responsibility owning straightforward Python ETL/data ingestion into AWS and PostgreSQL. This si a growing team focused on data ingestion and building tooling for the wider firm. What … APIs, batch jobs, integrations) used across the businessWrite clean, testable code with solid engineering discipline (testing, code review, debugging, production support)Maintain and extend Python-based ingestion/ETL (pragmatic plumbing, not heavy data engineering)Work with PostgreSQL (schemas, migrations, performant queries, data validation)Improve service reliability: monitoring/logging ...