651 to 675 of 4,950 Python Jobs in London

feeds real-world data into forecasting models. Experimenting with different forecasting architectures to find optimal approaches for linking targets to signals. Writing production-grade Python that handles complexity at scale, not scripts that work in a notebook. Contributing to technical strategy alongside the founders. You'll have a voice … what gets built and why. Evaluating and vetting technical candidates as the engineering team grows. Requirements 5+ years building production-grade Python backends. You know the internals, not just the syntax. Hands-on experience with LLM orchestration frameworks such as LangChain or LangGraph (agent memory, tool calling, state management) Dagster ...

opened for an experienced Backend Engineer to join an innovative technology company in London developing the next generation of intelligent software platforms. This Python focused Software Engineer role offers the chance to work on complex, large-scale systems that connect real-world devices with modern cloud and data infrastructure. … supports mission-critical operations. What’s required for this position? In-depth backend engineering skills and experience writing clean, high-performance code Expertise with Python (FastAPI) Pydantic Postgres SQLAlchemy AWS Experience with distributed systems tools (e.g. Redis, Celery) Any experience with ML inference - GCP, Modal would be useful Background working ...

Lead Software Engineer/Developer London/WFH to 120kAre you a skilled a backend focussed Python technologist with team leadership experience You could be progressing your career at a well-funded and profitable FinTech start-up.As a Lead Software Engineer you'll head up a small, talented tech team … Central London office with flexibility to work from home twice a week in a hybrid model.About you:You're an experienced Software Engineer with Python expertise and a strong knowledge of software engineering best practices and full SDLC experience You have team leadership experience, happy to mentor and develop others ...

Company DescriptionLyst are looking for software engineers with experience using Python to build a checkout architecture which allows you to order from multiple retailers using a simple API.Lyst is a technology platform that revolutionises the way people shop for fashion. We connect millions of consumers globally with the world … Renta.Job DescriptionThe main challenge now is to build a scalable architecture, meaning we have to tackle the challenges that come with using Python for distributed systems; Consistency, availability, service orchestration and much more. We currently run different services, all with their own CI flows, allowing us to deploy several times ...

Title: Python Developer (Contract, Hybrid) Job Description Overview We are seeking a Python Developer to join a high-performing regulatory technology team within a leading investment bank. The successful candidate will design and develop scalable solutions supporting regulatory reporting platforms, ensuring compliance with evolving financial regulations while processing high volumes … hands-on software engineering, data analysis, platform enhancement, and close collaboration with regulatory and business stakeholders. Key Responsibilities Design, develop and maintain enterprise-grade Python applications supporting regulatory reporting and compliance functions. Partner with Business Analysts, Compliance teams and Transaction Reporting SMEs to translate complex regulatory requirements into technical solutions. ...

with front office teams (trading, structuring) to support the QES platform.Develops platform and visualization components required by the desk.Utilizes principal technologies such as Java, Python and TypeScript (React) within the team.Required Qualifications, Capabilities, and Skills:Formal training or certification on software engineering concepts and proficient advanced experienceHands-on practical experience … delivering system design, application development, testing, and operational stabilityAdvanced in Python programming languageExcellent analytical skills (i.e. problem solving)Experience in leading an agile delivery team leveraging scrum, sprint planning, retrospectives and reporting progress to senior stakeholders.Preferred Qualifications, Capabilities, and Skills:Experience of working in a front office environment within financial ...

learn from to hone your skills around management and IT deliveries.Key Activities:System development - both front-end, back-end and integrationsHands-on Python programmingWorkflow planningProcess optimization and quality assuranceImplementing customer requirements for the design of new featuresAnalysis and design of the overall solutionDaily sparring with your teamFull life cycle … deliveryQualifications2+ years of Python programming experienceDegree in Software Engineering, Computer Science, Information Technology or similarExperience across the full software development lifecycleExperience in Databases, including MongoDB, SQL or Document DatabaseFull-Stack or Backend technical background with Python and React, or TypeScriptExperience with AWS (Lambda, S3, EC2, RDS)Experience in Unit TestingPrevious ...

optimisation platforms to improve our paid search efficiency.You will join a team that: Builds real products for millions of users, predominantly in a Python based stack.Deploys 10 times a day, makes nearly 20 thousands lines of changes a week and takes pride and ownership in what they create. Believes … production. You will be passionate about great code, well built products and beautifully engineered solutions. You will be happy to work in a predominantly python based environment, enjoy testing and deploying your own code and be confident using tools like Docker and Git. Ideally you will: Have experience working ...

needs and address issues with empathy and a sense of urgency. Undertake any other reasonable activities required by management. Required Skills Excellent proficiency in Python Experience with TypeScript or Javascript, and Rust would be a strong plus Familiarity with C++ is a plus. Experience in Financial domain is a plus. … communication skills. Strong organizational and interpersonal skills. Education and Experience Degree in Computer Science or related field. 5+ years of software development experience using Python or any other OOP languages. #J-18808-Ljbffr ...

About the RoleAs a Python Developer within the Wholesale Credit Quantitative Research Core team, you will play a central role in building and maintaining Nova – the firm’s strategic platform for Loan Loss Forecasting models. Nova is built within JPMorgan’s Athena platform and underpins critical regulatory and business processes … quality systems. You will work closely with quantitative researchers, model governance, technology partners, and wholesale credit business stakeholders.Job ResponsibilitiesDesign, build, and maintain the core Python frameworks and libraries that power Nova, ensuring they are performant, extensible, and easy for model developers to integrate withDevelop and enhance the calculation engine ...

make mobility ecological, efficient and convenient. This is a software engineering IC role focused on data. We are looking for an expert in Python and distributed systems, who knows how to design, build, and scale data services and architectures. You will influence technical strategy and promote best practices amongst engineers … hands-on development and solve any complex performance bottlenecks, concurrency issues, and systemic bugs. Drive Engineering Excellence: Define standards for efficient, testable and reusable Python code across the organisation that ensure our services remain reliable, robust, and easy for other engineers to extend. Bridge Strategy and Execution: Partner with Data ...

2022. Alten is a global engineering firm with approximately 57,000 employees specializing in engineering and IT services.RequirementsWe are looking for a Java/Python Developer to help manage, build, develop and design the Java Application with good exposure on springboot, microservices and system designing.What … tools enabling better business processes required for meeting Firm's regulatory obligationsWhat you'll bring to the role:6+ hands-on experience with Java, Python, Spring, RDBMS.Strong object oriented design and development skills, data-structures and algorithms, and design patterns.Excellent analytical ability.Strong experience with relational databases logical modelling.Strength in querying ...

Logistics Employment type: Permanent Job Description As a Senior Python Engineer, you will play a critical role in designing, developing, and optimising our innovative solutions. You’ll be responsible for driving the technical execution of projects, mentoring other developers, and ensuring our platform remains scalable, reliable, and secure. This role … competitive edge. Person Specification/Requirements At least 8+ years of professional software development experience with a minimum of 4 years of experience in Python as a core programming language Experience in Financial Services/Highly regulated environment is highly beneficial Proficiency in one additional programming language is preferred (e.g. ...

Full Stack Engineer (Java or Kotlin or 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 our network. We do business in 180+ countries operating at a scale … 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 ...

94327009040Posted: 2026-07-24Location: London, England, United KingdomCategory: Technology, Applications Development, ProfessionalCompany: CitiFull Stack Engineer (Java or Kotlin or 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 … experience with 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 principles ...

manner • Provide timely systems support for trading activities Skills and Qualifications • A deep passion for technology and software development • In-depth experience working in Python • The ambition to solve open-ended problems using analytical methods • Knowledge of Linux systems • Strong scripting experience with an ability to integrate various components ...

have:Comp Sci or Tech DegreeREST APIExtensive experience in automated software test development using latest open-source tools.Excellent working knowledge on Selenium Webdriver with Python or Java (Ability to code)Experienced in developing test automation frameworks from scratch using frameworks like Pytest, TestNG or Junit.Experience in developing automated test scripts ...

variety of mathematical and computer science methods and tools including hardware acceleration, advanced calculus, C++ including STL, C#, .NET, Java, object oriented software design, Python, kdb, Structured Query Language (SQL), mathematical finance/programming and statistics and probability Develop pricing models using numerical techniques for valuation including Monte Carlo Methods ...

variety of mathematical and computer science methods and tools including hardware acceleration, advanced calculus, C++ including STL, C#, .NET, Java, object oriented software design, Python, kdb, Structured Query Language (SQL), mathematical finance/programming and statistics and probabilityDevelop pricing models using numerical techniques for valuation including Monte Carlo Methods ...

Hands‐on practical experience delivering system design, application development, testing, and operational stability Advanced in one or more programming language(s); strong knowledge of Python Demonstrated experience leading effective use of approved AI‐assisted software development tools (e.g., for coding, code review, test acceleration, troubleshooting) with the ability ...

trends and emerging technologiesCommunicate effectively with technical and non-technical stakeholdersRequired Qualifications, Capabilities, and Skills:Strong technical background in object-oriented or functional programming (Python, Java, C++, or C#)Willingness to become proficient and develop in PythonProven track record of delivering high-quality, well-tested solutions in a controlled environmentExcellent ...

As a Lead Software Engineer at JPMorganChase within the Commercial & Investment Bank (CIB) – Markets Technology (Rates Nonlinear), you are an integral part of an agile team that works to enhance, build, and deliver trusted market ...

deliver secure, scalable digital solutions across major public sector transformation programmes.This is a fantastic opportunity for a hands on software engineer with strong Python development experience to work on enterprise scale applications using AWS, modern DevOps practices and cloud native technologies. Working within Agile delivery teams, the Senior Software Developer … will help build high quality digital services while influencing engineering standards and mentoring other developers.Responsibilities - Senior Software DeveloperDesign, develop and maintain scalable Python based applications and services.Build secure RESTful APIs and integration solutions supporting enterprise platforms.Develop cloud native applications using AWS and modern engineering practices.Work closely with DevOps engineers ...

Power BI dashboards, reports and semantic models. Optimise large-scale data models, refresh processes and reporting performance. Build automated reporting solutions using Power BI, Python and modern DevOps practices. Collaborate with technical and business stakeholders to deliver scalable analytics solutions. Requirements Strong commercial experience with Power BI, including advanced … semantic modelling. Experience optimising enterprise reporting environments and large analytical datasets. Solid SQL skills alongside Python scripting and reporting automation experience. Knowledge of CI/CD, Power BI administration, governance and modern Microsoft data technologies. #J-18808-Ljbffr ...

Exposure Data Analyst/Quantitative Exposure Analyst London 80,000 - 90,000 + Benefits Are you a data-driven insurance professional with strong Python and SQL skills looking to work at the forefront of exposure analytics, catastrophe risk, and process automation? I'm working with a highly regarded London Market … using platforms such as Power BI and Databricks. Work with research and underwriting teams to develop proprietary risk scoring datasets and portfolio insights. Develop Python and SQL solutions that improve catastrophe pricing and exposure management processes. Translate catastrophe model outputs into business-critical reporting used for capital modelling and portfolio ...