• United Kingdom Jobs Expertini profile avatar

    • Lead Software Developer Python Jobs in UK

    Professional job seekers finding United Kingdom jobs through Expertini
    750,000+ professionals on Expertini 750,000+ Candidates
    Join our global community
    Explore Leading Employers
    High-Paying Careers
    Expertini Penguin Mascot Resume Score™
    Resume Score™ Instantly
    Upload Your CV
    Quick 30-second process

    Apply Today & Jumpstart Your Career on Expertini, Trusted Since 2008.

    1. Expertini
    2. United Kingdom
    3. Jobs
    4. Lead Software Developer Python Jobs in United Kingdom

    5. Download PDF

    Reset

    Create Job Alert
      Add Alert

     
     
    Create Alert
     
    Reset

    Full Stack Cloud Engineer – React, Python & AWS

    React and TypeScript Python AWS services i.e. Athena/Glue, DynamoDB, ECS, S3, Lambda, SQS, Step Function, etc Automated testing frameworks for Python and JavaScript Terraform for infrastructure-as-code Proven experience designing, building, and operat ...

    Senior Internal Model Actuary – Python & DevOps (ERM)

    The Emerald Group is seeking a Model Implementation Actuary in London. In this permanent role, you will design, develop, and document internal models for various financial risks, including credit and interest rates. A strong background in capital modelling and proficiency in Python are essential. The role requir ...

    Backend Python Engineer — High Impact FinTech (Hybrid)

    Glocomms is seeking a Backend Software Engineer in London to design and maintain secure, scalable backend systems critical to financial offerings. This hybrid role demands 4-5 years of software engineering experience, proficiency in Python/Django or Go, and a strong understanding of relational databases. The pos ...

    Anti Bot Engineer (Python, Go, Rust, JavaScript)

    Our Mission - Join us in shaping the future of paid search intelligence. Adthena is an award-winning search intelligence platform powered by patented AI technology and a team of dedicated experts. We help brands, marketers, and agencies dominate their competitive landscapes with unparalleled insi ...

    Senior Python & AWS ML Engineer Production Systems

    A leading financial services firm is seeking a Senior Software Engineer to engineer and deploy innovative machine learning solutions. The role involves collaboration with Data Scientists and development of cloud-based frameworks using AWS and Python. Key responsibilities include maintaining applications, leading ...

    Senior eFX Quant Trader with ML & Python

    UBS is looking for a full-time FX Trader in London to enhance their electronic FX Trading systems. The role involves generating improvement ideas, developing models in Python, and monitoring system performance. Candidates should have a Master's in a relevant field, at least 5 years of experience in systematic tr ...

    Full Stack Engineer: Django/Python, AWS & Kubernetes

    A leading retail company in Manchester is seeking a full-stack Engineer to join their diverse development team. You will be responsible for delivering quality code while working closely with product teams in an Agile environment. Your significant experience with Django and Python will help in developing and main ...

    AI Driven Backend Engineer (Python/Django) FinTech

    Corgi Insurance in London is looking for a Software Engineer to build and maintain their AI-powered business insurance platform. Candidates should have at least 2 years of experience, strong Python and Django skills, and be comfortable with SQL and REST APIs. The role involves integrating various systems and imp ...

    AI Driven Full Stack Engineer (Python & TS)

    Legal & General is seeking a Full-Stack Engineer to join their product engineering team in Greater London. The candidate will focus on building and maturing AI-powered applications that support critical business processes. Key responsibilities include designing and developing APIs, collaborating with cross-funct ...

    QIS Quant: Front Office Modeling, Python & Cloud

    UBS is seeking a quantitative analyst in London to lead the design, development, and implementation of quantitative models for the QIS business. The candidate should have 3+ years in systematic trading or quantitative research, strong proficiency in Python, and a solid grounding in financial mathematics. Key res ...

    ETF Platform Engineer (Python) – Front Office Trading

    Talan is seeking a skilled candidate for their London office to contribute to their ETF Market Making platform. The role includes managing production projects within the Front Office Trading space, focusing on enhancing trading tools and workflows. Candidates must possess a strong IT development background in Py ...

    Python Engineer, Data Pipelines for Sports Analytics

    Smartodds is looking for a Python Engineer in Greater London to develop data pipelines and back-end solutions. You will engage in hands-on development of applications and maintain high software quality standards. Candidates should have a BSc in computer science or equivalent, as well as strong Python and API dev ...

    Hybrid Data Analyst – PR Reconciliation (Python/SQL)

    Deloitte - Recruitment is seeking a Data Analyst for PR Reconciliation in the Essex area within a hybrid working model. This role requires expertise in Python and SQL for data reconciliation and the execution of reconciliation scripts. The position involves supporting a leading Tier 1 Banking client by managing ...

    Junior Data Scientist & ML Engineer – Python/SQL

    A technology consulting firm in London is seeking a Junior Data Scientist / Junior Machine Learning Engineer to develop machine learning models and deliver data-driven solutions. The role requires 2-4 years of experience in Data Science or Machine Learning, strong programming skills in Python and SQL, and the ab ...

    Senior Python Engineer — AI Driven Financial Platform

    Aveni UK is seeking a Senior Software Engineer to develop next-generation AI systems for financial services. This role focuses on building scalable Python services within cloud-native AWS environments and requires strong expertise in production settings. Candidates should have experience with AI and agentic syst ...

    ETF Platform Engineer — Python & Front Office Trading

    Talan Group is seeking a candidate for a position focusing on Front Office Trading production projects within the ETF market in London. The role involves developing and implementing trading tools, enhancing existing production support tools, and requires a strong background in IT development, particularly in Pyt ...

    Hybrid VP: Full Stack Engineer (Kotlin & Python)

    Citibank (Switzerland) AG is seeking a Full Stack Engineer (Kotlin and/or Python) in Greater London. This VP-level role involves designing and developing cutting-edge financial software solutions while collaborating closely with business stakeholders. Candidates should have strong backend experience along with k ...

    Remote Senior Backend Engineer Python, Fintech Data

    Zepz is looking for a Senior Backend Software Engineer to join their Reconciliation Engineering team in the UK. Your expertise in Python and data models will be essential for automating processes and resolving data discrepancies. You’ll work collaboratively with Finance and Data Operations teams to implement cri ...

    Change BA – Market Risk / CCR (FRTB, Python)

    Change BA – Market Risk / CCR (FRTB, Python) We are looking for a Business Analyst with strong experience in Market Risk or Counterparty Credit Risk (CCR) , supporting large-scale technology change and transformation programs within investment banking. The role requires a blend o ...

    Change BA – Market Risk / CCR (FRTB, Python)

    Change BA – Market Risk / CCR (FRTB, Python) We are looking for a Business Analyst with strong experience in Market Risk or Counterparty Credit Risk (CCR) , supporting large-scale technology change and transformation programs within investment banking. The role requires a blend o ...

    Senior Quant Risk Analyst — Python & R Modelling

    A leading global financial markets organization in Greater London is seeking a Senior Associate to join their Quant team. The role focuses on developing quantitative analysis and risk management solutions, requiring strong programming skills in Python and R, along with experience in financial risk management. Re ...

    Senior Credit Risk Analyst — Fintech, Python/SQL

    A leading fintech company in Greater London is seeking a Senior Credit Risk Analyst to drive meaningful change in consumer finance products. The ideal candidate will have strong coding skills in Python and SQL, as well as experience in credit risk strategy. This full-time position involves optimizing lending dec ...

    Remote Full Stack Engineer (Python, FastAPI, Django)

    A leading software house in Cambridge is seeking software professionals to join their team. You will work on technically challenging projects in a friendly environment that promotes a good work/life balance. The role offers the chance to work with Python frameworks like Pyramid, Django, Flask, and FastAPI in an ...

    Senior Backend Engineer Python/Django for FinTech

    A financial technology firm is seeking a Senior Backend Software Engineer to join their Investor Solutions team in Basingstoke, UK. The role involves collaborating with product owners and engineering teams to deliver innovative solutions within a complex, data-driven environment. Candidates should have extensive ...

    Senior ML Engineer — High Performance Python & HPC

    A technology company in the United Kingdom is seeking a Machine Learning Engineer to join their modeling engineering team. The role involves converting trading models into production systems, designing necessary tooling, and supporting strategy research and development. The ideal candidate will have a strong fou ...

    Junior Derivatives Trader — Python/C++ & Market Insight

    Our client, a boutique hedge fund, is looking to hire a Junior Trader. This role would suit a self-motivated and ambitious individual wanting to learn from a highly experienced trading team. Responsibilities include: Executing trades for systematic trading strategies Mainta ...

    Pricing Data Analyst: Power BI, SQL & Python

    A leading convenience retail company in the United Kingdom is looking for a Data Analyst to support strategic decisions and pricing optimization. The successful candidate will analyze pricing data, develop dashboards using Power BI, and collaborate with cross-functional teams. A strong background in Power BI and ...

    Hybrid Python ML Engineer: APIs & Kafka Focus

    Harvey Nash Group is seeking a Python ML Engineer for a 12-month hybrid role in Glasgow. The successful candidate will support major projects within the Backup Engineering team, requiring strong Python and Machine Learning experience. Responsibilities include debugging complex issues and making analytical decisi ...

    Principal Backend Engineer — Python, Data & AI Platforms

    Publicis Groupe is seeking a Principal Backend Engineer to lead backend architecture and data solutions for the OneSuite platform. The ideal candidate will have extensive experience in Python, AWS serverless technologies, and Databricks. This role focuses on ensuring robust data governance, architecture, and men ...

    Electrical Engineer & Python Expert Freelance AI Trainer

    Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment. ...

    AI Driven Electrical Engineer & Python Numerics Expert

    Mindrift is looking for specialists to design and solve computational engineering problems for AI projects. This role involves creating original problems that simulate engineering workflows, requiring proficiency in Python and an engineering degree. Contributors will work on project-based tasks with an expected ...

    AI Driven Electrical Engineer & Python Numerics Expert

    Mindrift is seeking contributors in Manchester for project-based computational engineering roles. The opportunity involves designing and solving numerical engineering problems using Python as well as validating solutions. Applicants should have a degree in Electrical Engineering or related and at least 2 years' ...

    Front Office Trading Production Engineer (C++/Python)

    Insight is seeking a Front Office Production Support Engineer for a leading global investment bank in London. The role focuses on supporting the Corporate Treasury Trading function, with responsibilities including incident resolution and system monitoring, along with C++ remediation work. Candidates must have st ...

    Front Office Python Engineer — Trading Tools & Impact

    Hunter Bond is seeking a Python Engineer to join their leading global hedge fund in Greater London. This hands-on, front-office role involves working directly with Portfolio Managers and Analysts to design and maintain high-performance trading infrastructure. The ideal candidate will have a degree in a relevant ...

    Computational Scientist: Python ML for Imagery (Onsite)

    Cranleigh Scientific Ltd in Oxford seeks a Computational Scientist to join their team. The successful candidate will utilize strong Python programming skills to develop algorithms and enhance software. This full-time, onsite role requires expertise in analyzing remote sensing data and presents an opportunity for ...

    Cybersecurity Backend Engineer (Java/JS/Python) Cloud

    MCS Group is seeking multiple Software Engineers to support a global technology organization's Cyber Security Engineering teams in Belfast. This opportunity involves designing and developing scalable backend services, APIs, and cloud-native applications in a collaborative environment. Candidates should have 3+ y ...

    Principal Backend Engineer Scale & Security (Python/AWS)

    Oliver Bernard is looking for a Principal Software Engineer to join a fast-growing Series A AI/fintech company in London. This role involves significant ownership of core backend systems, focusing on design, scaling, and compliance for sensitive financial data. Candidates should have over 8 years of experience i ...

    Remote Python Engineer Enterprise Asset & Data Platform

    Alexander Ash Consulting is looking for a Python Engineer to support the automation initiatives of an asset manager. The role involves building applications and data platforms, focusing on enterprise production-grade applications. Candidates should have over 4 years of experience in Python development within fin ...

    Python Engineer AI & LLMs for Fintech Scale

    Station, a fast-growing fintech company in London, is seeking a Python Engineer to leverage AI and Large Language Models (LLMs). In this impactful role, you will design scalable backend systems, integrate LLM features into products, and collaborate closely with product and engineering teams. Ideal candidates wil ...

    AI Engineer Azure / C# .NET or Python

    AI ENGINEER - AZURE &C# .NET or PYTHON Up to £60,000.00 Home Based with occasional travel Are You... An AI Engineer, a strong Software Engineer transitioning into AI, or perhaps a Data/Automation Engineerwith some GenAI delivery experience? Why Not Join Us HereA ...

    Backend Architect – Java Spring Boot & Python (Hybrid)

    Methods is seeking a skilled architect to lead the migration and rebuilding of core architecture in Java Spring Boot at their London office. This hybrid role requires three days on-site each week. Key responsibilities include optimizing technical connectors for various marketplaces and ensuring real-time synchro ...

    Production AI Full Stack Engineer (Python/TypeScript)

    Oliver Bernard is seeking a Full Stack Engineer (AI) with expertise in Python and TypeScript to join their rapidly scaling team in Greater London. You will work on production-grade AI systems directly embedded in enterprise workflows, impacting real decisions and tackling complex data. The ideal candidate has ov ...

    Senior Python & Go Engineer — ML, Terraform, Remote

    A consultancy firm is seeking highly skilled Senior Software Developers/Engineers with significant experience in Python and Machine Learning for a sensitive project based in Oxford. Candidates should have 7 to 10 years of proven software development experience, with knowledge of Go being beneficial. The role may ...

    Mobile Test Automation Engineer (Python + Appium) Hybrid

    Maxwell Bond is seeking an Automation Engineer with strong Python experience and hands-on Appium skills to join their growing team in Manchester. This hybrid role involves designing and maintaining automation frameworks for mobile applications across iOS and Android. The company offers a collaborative culture wi ...

    Electrical Engineer & Python Expert Freelance AI Trainer

    Please submit your CV in English and indicate your level of English proficiency. Mindrift connects specialists with project-based AI opportunities for leading tech companies, focused on testing, evaluating, and improving AI systems. Participation is project-based, not permanent employment. ...

    Senior Python Backend Engineer – Event Driven, Production

    Method Resourcing is hiring for a key engineering role supporting a fast-growing, private equity-backed technology company in St Albans, UK. The ideal candidate will design and build scalable, production-grade systems using Python and take full ownership of services throughout their lifecycle. Responsibilities i ...

    Senior Python Engineer — AI Driven SaaS Core

    Clearwater Analytics is looking for a skilled Senior Software Engineer to join their team in Greater London. The role focuses on designing, building, and maintaining high-quality code while collaborating with cross-functional teams. Ideal candidates will have a strong coding background in Python and experience i ...

    Founding Backend Engineer: Python & AWS | Equity, London

    Oliver Bernard is seeking a Founding Backend Engineer to develop core systems for an innovative startup specializing in AI agents for production data pipelines. Candidates should have at least 5 years of experience in backend and distributed systems, with a focus on rapidly shipping products. The role supports h ...

    Production AI Engineer on Azure | Python & MLOps

    LegalAndGeneral is seeking an AI Engineer to join their collaborative team in City Of London. The role involves designing and building AI and machine learning solutions on Azure, developing Python services, and implementing generative AI initiatives. Ideal candidates will have hands-on experience with AI in prod ...

    Real Time Python Engineer Trading Data & Risk

    Hunter Bond is seeking a high-impact engineer for their specialized team responsible for a real-time risk and trading data platform. The role entails designing high-reliability platforms that manage large amounts of trading data, with responsibilities ranging from building data services to collaborating with tra ...

    🚀 Boost Your Hiring Chances with Our AI-Powered Tool-Kit

    Stand out from thousands of applicants. Use our proven career tools to optimize your applications and land your dream job faster.

    To-Do Planner

    Organize your job search and personal tasks. All data is confidential.

    Open Planner →

    Wellbeing Center

    Access your confidential wellness report and resources to manage job search stress.

    Check Wellbeing →

    Skill Coach

    Plan your skill development with O*NET support to stay competitive in your field.

    Start Coaching →

    Outfit Helper

    Get AI-powered suggestions on what to wear for your next interview.

    Find Outfit →

    Income Tax Calculator

    Plan your finances with our calculator, updated for 2025 tax regulations.

    Calculate Tax →

    Salary Benchmark

    Get accurate, AI-supported salary trends to know your worth and negotiate better.

    Check Salaries →

    Interview Practice

    Practice for any interview with AI-enabled Q&A sessions. All data is private.

    Start Practicing →

    Interview Predictor

    Use our AI-supported tool to predict potential interview questions based on your resume.

    Predict Questions →

    Interview Practice Timer

    Use our mock interview trainer to perfect your answers under timed conditions.

    Start Timer →

    Behavioral Mastery

    Ace tricky behavioral interviews with our AI-powered practice module.

    Master Answers →

    Question Journal

    Confidentially record interview questions you were asked for future reference.

    Open Journal →

    Interview Ace

    A comprehensive tool to help you master every aspect of your interviews.

    Become an Ace →

    Q&A Logs

    Confidentially track your answers to common questions and refine them over time.

    View Logs →

    Application Planner

    Schedule and organize your job applications in one confidential planner.

    Open Planner →

    Cover Letter Tool

    Create perfect, tailored cover letters for each application with AI support.

    Generate Letter →

    Resume Score

    Get instant feedback on your resume with our NLP-supported analysis tool.

    Check My Score →

    ATS Score

    Check your resume's compatibility with Applicant Tracking Systems (ATS).

    Check ATS Score →

    Application Analyzer

    Use AI to analyze job descriptions and optimize your application materials.

    Analyze Application →

    Career Visualizer

    Confidentially plan and visualize your long-term career path and goals.

    Visualize My Career →

    Offer Genius

    Get intelligent insights and strategies to confidently negotiate job offers.

    Negotiate Offers →

    JobFlow

    Track your entire job search progress from application to offer with this intelligent tool.

    Track My Flow →

    JobSense

    Our intelligent matching engine that provides smart job recommendations.

    Get Smart Matches →

    Networking Toolkit

    Tools to build and manage your professional connections. All data is confidential.

    Build Network →

    Professional CV

    A classic, O*NET supported template for corporate and professional roles.

    Use This Template →

    Executive CV

    A premium, O*NET supported template designed for senior and C-level positions.

    Use This Template →

    Modern CV

    A fresh, stylish, O*NET supported template perfect for tech and modern industries.

    Use This Template →

    Creative CV

    A visually distinct, O*NET supported template for design and artistic roles.

    Use This Template →

    Minimalist CV

    A clean, simple, O*NET supported template that focuses purely on content.

    Use This Template →

    Europass CV

    The standard European Union recommended format for wide compatibility.

    Use This Template →

    Student CV

    An institution-recommended template perfect for internships and first jobs.

    Use This Template →

    Graduate CV

    An institution-recommended template for recent graduates entering the workforce.

    Use This Template →

    Academic CV

    The researcher-recommended format for roles in academia and research.

    Use This Template →

    Developer/IT CV

    A tech-savvy recommended template to highlight your technical skills.

    Use This Template →

    Skilled Worker CV

    A trades-recommended template to showcase hands-on skills and experience.

    Use This Template →

    Monochrome CV

    A sleek, black-and-white, O*NET supported template for a professional look.

    Use This Template →

    Art CV

    An artist-recommended template that allows your creativity to shine.

    Use This Template →

    Harvard CV

    A researcher-recommended template based on the classic Harvard format.

    Use This Template →

    Volunteer Research

    Help us improve our platform by joining our community research program.

    Join Research →

    Review Us

    Share your experience with our tools to help other job seekers.

    Share Experience →

    Register

    Create your free account to save jobs, build your profile, and track applications.

    Create Account →

    Login

    Access your dashboard, manage applications, and continue your job search.

    Access Your Account →

    Profile Builder

    Create a comprehensive professional profile that attracts recruiters and showcases your skills.

    Build Your Profile →

    View Profile

    See your public profile exactly as employers will see it. Make sure it's perfect.

    Preview Profile →

    Bookmarked Jobs

    Keep track of all your saved job opportunities in one organized place.

    View Saved Jobs →

    Your Reviews

    View and manage all the company reviews you've submitted.

    See Your Reviews →

    Following

    Manage the list of companies you follow to stay updated on their new openings.

    Manage Following →

    Find Companies

    Discover and research top employers in your country and industry.

    Discover Employers →

    Standalone CV Builder

    Use our O*NET supported CV builder to create a professional resume from scratch.

    Build Your CV →

    PDF to DOC (Beta)

    Convert your PDF resumes or documents into editable Word (DOC) format.

    Convert PDF →

    DOC to PDF (Beta)

    Create universally compatible PDF documents from your Word (DOC) files.

    Create PDF →

    General FAQ

    Find answers to common questions about our job site and platform.

    Read FAQ →

    Job Seekers FAQ

    Get help and find answers to questions specifically for job seekers.

    Get Help →

    Job Matching

    Learn about the technology and algorithms behind how we match you to jobs.

    Learn How →

    Personalized Matching

    Discover how we use your profile and activity to provide customized job suggestions.

    Learn More →

    Quick Apply

    Understand our fast application process and how to make the most of it.

    Learn More →

    Alert Frequency

    Learn how to manage your job alert settings so you get the updates you want.

    Manage Settings →

    Job Alerts Guide

    A complete guide to understanding how job alerts work and how to use them effectively.

    Read Guide →

    Resume Matching

    Learn how our system matches your resume to job requirements.

    Learn More →

    Ethical Branding

    Read our guide to building a professional and ethical personal brand.

    Read Guide →

    Candidate Visibility

    Learn how to increase your visibility to recruiters on our platform.

    Increase Visibility →

    Verified Badge

    Find out how you can get a verified badge to build trust with employers.

    Get Verified →

    AI ATS Technology

    Learn about the advanced AI and ATS technology that powers our platform.

    Learn More →

    ATS Ranking

    Understand how Applicant Tracking Systems rank you as an applicant.

    Learn More →

    Semantic Matching

    Learn how our AI-powered semantic matching goes beyond keywords.

    Learn More →

    💡 Tools that really enhance your application chances and career growth.

    Go to Your Dashboard →

      Lead Software Developer Python Jobs in United Kingdom Job Search Guide, Trends and Insights