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
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.

Reset

Create Job Alert

 
   
Reset

Quant Dev (Python): Systematic Equities & ML Platform

Quant Dev - Systematic Equities Trading (Python) London Quant Dev - Systematic Equities Trading What we do: Maven’s Systematic Equities team deploys research-driven strategies across global equity markets, powered by some of the most advanced technology available. Our approac ...

Low Latency E Trading Production Engineer (Python)

A global financial services company is seeking a motivated eTrading Production Support Engineer in London. You will oversee production support for critical FX applications, monitor system health, and collaborate with teams to enhance performance. Candidates should have strong Python scripting skills, knowledge o ...

Gen AI Python Engineer — Build Smarter Apps

A leading global bank is seeking a Vice President to join their team in Belfast for building next-generation AI systems. This hands-on engineering role focuses on developing production-grade applications primarily in Python and contributing to architecture and coding standards. Candidates should have strong soft ...

Aviation Ground Test Automation Engineer (C++/Python)

A leading digital services provider in Bristol is seeking a skilled Software Engineer to support an aviation client on a Ground Test Automation project. The role involves ensuring system quality and reliability through development, testing, and collaboration. Candidates should have strong experience in C++ and P ...

AI Powered Python API & Data Engineer (Energy)

A leading energy tech company in London seeks a Software Engineer/Data Engineer to build data presentation layers and stable APIs for complex energy market data. Responsibilities include full lifecycle ownership of projects, designing infrastructure, and ensuring code quality. The ideal candidate has 4+ years of ...

Senior Gen AI & Python Engineer (Markets Tech)

A leading global financial services company in Belfast is seeking a Vice President to join their innovative Markets Technology team. This role focuses on designing and building Generative AI systems, applying modern AI engineering disciplines, and collaborating with talented engineers. Ideal candidates should ha ...

Senior FDE Python & AWS SaaS (Client Facing)

A growing technology scale-up based in Manchester is looking for a Forward Deployed Engineer with strong Python and AWS skills. This role involves client-facing responsibilities, where you'll manage bespoke projects and develop cloud-based applications. The position offers a competitive salary of up to £80k, hyb ...

Python Platform Engineer: Data Orchestration & CI/CD

A technology firm in Greater London is seeking a Python Platform Engineer to design and build a central automation platform. This role involves writing high-quality code and delivering key components of a sophisticated reporting system. The ideal candidate will have extensive Python experience focused on large c ...

Power Market Insight Architect | Hybrid, Python/SQL

A global leader in energy intelligence is seeking a Hybrid Power Insight Analyst to develop analytics for the Polish and French power markets. This role requires strong skills in Python and SQL alongside the ability to communicate insights to C-suite executives. You'll model power trends, create engaging market ...

Senior Python Engineer Product Lifecycle Owner (Remote)

A leading UK-based tech company is looking for a Senior Software Engineer to take full ownership of its software product. This role involves leading development projects from concept to deployment, focusing on quality and scalability. Candidates should have over 5 years of Python experience, strong cloud archite ...

Senior Python Engineer — Fintech Scale & Impact, Equity

A leading fintech company in Greater London seeks a Senior Python Engineer to design and develop automation for core financial operations. The ideal candidate has over seven years of experience in software engineering, strong skills in Python and SQL, and the ability to collaborate effectively with business stak ...

Front Office Quantitative Analyst, Python Valuation & Risk

A leading recruitment agency is searching for an experienced Quantitative Analyst for a market-leading Buy Side firm in London. The role involves building production valuation models within a Python pricing library, working closely with senior stakeholders to ensure governance and control in models. Candidates s ...

Graduate Quantitative Analyst – Trading Desk (Python/ML)

A leading trading firm in Greater London is seeking an individual with strong quantitative skills to join their Quantitative Trading desk. This role involves delivering high-quality quantitative strategies, monitoring trading and strategy performance, and implementing signals within the global execution platform ...

Senior Python Engineer — Real Time Data Pipelines

A fast-growing technology company in the United Kingdom is looking for a mid-senior level data engineer. The role involves designing and building data pipelines using Python, ensuring uptime and fault tolerance. Candidates should have expertise in distributed systems and a passion for continuous learning. The po ...

Senior Backend Engineer Python/Django (Hybrid UK)

A fintech company in London seeks a Senior Back End Engineer to build systems for their German operations. You'll develop backend services, simplify workflows, and advocate for quality in engineering. Ideal candidates will have experience in Python, preferably with Django, and relational databases. This role off ...

Senior Java/Python Engineer Build Scalable Systems

A leading financial institution in Glasgow seeks Experienced Software Engineers to join their Global Technology team. In this role, you will design and deliver innovative technology products while working within an agile team to enhance banking solutions. Candidates should possess strong Java or Python skills, e ...

Graduate Data Scientist: AI, Python & Azure ML

An innovative project solutions company located in Birmingham is looking for a Graduate Data Scientist to join their Data & AI team. This position involves working with cutting-edge AI technologies and transforming complex data into actionable insights for clients in various sectors. Candidates should have a rel ...

Senior Backend Engineer (Rust/Python) – FinTech Platform

A financial technology firm in the City of London is seeking a financial software engineer to join their back-end team. The role involves designing and maintaining cloud-native solutions, working with Rust and Python, and collaborating with stakeholders in the finance sector. The ideal candidate possesses a stro ...

Entry level Python Engineer — Real Time Pipelines

A fast-growing international technology company based in the UK is seeking an entry-level engineer to design and build infrastructure for data pipelines. The role involves collaboration with software engineers and data scientists to ensure robust, 100% uptime data processes. Ideal candidates will be fluent in Py ...

Senior Backend Engineer Python/Django (Hybrid UK)

A tech-driven finance company is seeking a Senior Back End Engineer to enhance systems that support its German operations. You will design and build backend services, automate workflows, and influence system architecture as part of a collaborative engineering team. The ideal candidate has extensive experience in ...

Backend Engineer for AI Platform | Python & AWS

A technology-driven startup in London is looking for a Software Engineer to build shared platform layers for AI solutions. You will utilize your extensive Python experience to create frameworks and APIs that enhance productivity across product teams. The role is hybrid, requiring part-time office presence, and o ...

Remote Python Engineer (EdTech) – Django/Flask + Equity

An innovative EdTech start-up is seeking a skilled Python Engineer to join their team. This role involves developing scalable backend services and RESTful APIs using Django and Flask. You will collaborate with cross-functional teams and ensure the robustness of applications. A strong background in Python with fa ...

AWS Cloud Engineer | Terraform & Python | Growth & Impact

A leading IT service provider in Hull and East Yorkshire is seeking an experienced Cloud Engineer with a strong background in AWS. This role involves managing and supporting AWS enterprise environments, with an emphasis on security and operational excellence. The ideal candidate will have proficiency in Terrafor ...

Senior ML Engineer — High Performance Python & HPC

A leading analytics firm in Greater London is seeking a Machine Learning Engineer to join their modelling team. Candidates will collaborate with quantitative researchers to optimize trading models for production. Key requirements include a strong background in software engineering, particularly with Python and p ...

Trading Systems Engineer C++/Python, High Availability

A leading trading firm in London is seeking a Software Engineer to design and develop high availability trading systems using C++ and Python. The ideal candidate will have over 5 years of C++ experience and a strong understanding of concurrency and software for trading. This role requires collaboration with quan ...

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 ...

Autonomy Robotics Engineer ROS 2, C++, Python

A leading robotics firm in England is seeking a Robotics Software Engineer to develop and maintain autonomy software for robotic systems. The ideal candidate will have strong experience with ROS 2, C++, and Python, with an emphasis on engineering excellence and collaboration. The role involves hands-on deploymen ...

Structured Power Trader Hedging & Risk Strategist (Python)

A commodities trading firm is seeking a Structured Power Trader to join their expanding team in Greater London. The role involves originating and executing structured deals, developing stress testing methodologies, and creating hedging strategies to manage risks. The ideal candidate should have 2-5 years of expe ...

Senior Python Backend Engineer — AI Forward & Scalable

A leading retail company in London seeks a Software Development Engineer III to drive high-quality backend service deliveries. This role combines end-to-end product ownership while integrating deeply with existing systems. Candidates should have extensive experience in Python, Fast API, and cloud technologies. Y ...

Senior SDET (Python) – AI Powered Test Architect

A leading streaming platform in Cambridge is looking for a Senior Software Engineer (SDET) to enhance the test architecture and automation systems. The ideal candidate should have over 5 years of experience in test automation design, proficiency in Python, and the ability to drive quality initiatives. You will i ...

Platform Automation Engineer Low Latency Infra, Python

A leading systematic trading firm in London is seeking a Platform Engineer to enhance their infrastructure through automation. You will collaborate with a global team, using cutting-edge technologies and practices in a fast-paced environment. The ideal candidate has a degree in Engineering or Computer Science, a ...

Python Automation Engineer — Low Code, n8n & AI

A leading professional services firm in Central London is seeking a Low Code Software Engineer to innovate their automation journey. You will design intelligent workflows using Python and n8n, integrating core business systems and embedding AI agents via Microsoft Azure. Ideal candidates have 2–5 years of experi ...

Senior Python Backend Engineer — Fast, Scalable Delivery

A leading retail company in Greater London is looking for a Software Development Engineer III to take on a senior engineering role. You'll be responsible for shipping backend services and working closely with front end and data science teams to deliver exceptional customer outcomes. The ideal candidate has a str ...

Senior Python Backend Engineer — Front Office Platform

A leading financial services recruitment agency is seeking an experienced Python Engineer to contribute to a front office-facing platform within a tier-one investment bank. This role involves building backend services in Python, working on data-intensive workflows, and improving system design. Candidates should ...

Senior Trade Data Analyst Python & Data Quality

A dynamic business consultancy in London is seeking a Mid-Senior level Business Analyst to specialize in trade data analysis. Candidates should possess strong Python skills and have at least 3 years of experience in a similar role, preferably in the financial services sector. This role involves collaborating wit ...

EV Energy Trading Analyst | Data Driven & Python

A leading clean energy company in the UK is seeking an Energy Trading Analyst on a fixed-term basis. This position focuses on supporting energy market trading for the company's EV portfolio, with responsibilities including data processing and analysis to ensure effective trading operations. The ideal candidate s ...

Senior Treasury Analytics Associate — Quant & Python Global

A global financial services leader in London is seeking an Associate for their Advanced Treasury Analytics team. You will develop analytical tools while collaborating with a dynamic team to support strategic treasury decisions. Ideal candidates will have a strong quantitative background, be effective communicato ...

Remote Cloud Python Engineer for Ubuntu Images

A leading open source software provider, known for its pioneering work on Ubuntu, is seeking a Software Engineer to enhance Ubuntu for public clouds. This role involves quality-oriented software development, strong Python skills, and collaboration with global teams. Ideal candidates are passionate about open sou ...

Front Office Commodities Tech Engineer (Python/Athena)

A leading global financial services firm is seeking a Front Office Software Engineer to enhance and deliver technology products for Precious Metals and Agriculture trading. The successful candidate will design and maintain trading applications, collaborate with diverse teams, and apply deep technical expertise. ...

Cloud Powered Python Engineer for Scalable Solutions

A leading tech firm is hiring a Software Engineer to develop and release improvements to Ubuntu on public clouds. The role requires strong Python skills, extensive experience with Linux, and a passion for open source. Collaborating with a distributed team, you will write high quality code, debug issues, and enga ...

Senior Python Engineer Remote/Hybrid Backend Architect

A technology-focused company in Northern Ireland is seeking a Senior Python Engineer. This role involves designing and developing high-quality backend systems using Python and modern frameworks. The ideal candidate will have over 5 years of experience, strong problem-solving skills, and an understanding of cloud ...

Remote Cloud Python Engineer for Ubuntu Images

A leading tech firm is hiring a Software Engineer to improve Ubuntu on public clouds. The role involves developing, testing, and releasing updates while ensuring high quality and stability. Ideal candidates will excel in Python, have a strong background in Linux systems, and be passionate about open source. This ...

Senior Python Engineer, Cloud Native AWS & Serverless

A modern financial services firm is looking for a Senior Python Engineer to join their team in the City of London. You will help redesign their technology stack to be cloud-native on AWS, focusing on Python-based services. The ideal candidate should possess solid experience in Python and database technologies, a ...

Senior AI/ML Platform Engineer Python & Cloud

A financial services leader in Greater London is seeking a Software Engineer to enhance AI/ML platforms. You will collaborate with Data Scientists to deliver robust production-grade applications. The ideal candidate has experience in full-stack development, particularly in Python, and familiarity with automation ...

Data Scientist (Python & SQL) Freelance AI Trainer

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. What This Opportunity Involves Design original computational data ...

Senior AI Platform Architect (Python, React, Azure)

A dynamic Managed Service Provider in Scotland seeks a seasoned Architect to shape their AI platform. This role involves designing scalable, secure architectures, leading Python and TypeScript integrations, and being the driving force behind technical decisions. Candidates should have over 6 years in software en ...

Senior Python AI Engineer — ML, Infrastructure & Deployment

A leading global online food delivery marketplace is looking for a Senior Engineer to join their Enterprise AI team. In this dynamic role, you will design and deploy AI-powered solutions, optimize data pipelines, and lead technical projects. The ideal candidate will have experience with cloud platforms, strong P ...

Senior Software Engineer

Senior Software Engineer – C++ / Embedded SystemsA leading engineering and technology business is seeking a Senior Software Engineer to join its growing software development team working on advanced real-time and mission-critical systems.This role is ideal for a hands-on C++ Software Engineer wit ...

Senior Software Engineer

Senior Software Engineer – C++ / Embedded SystemsA leading engineering and technology business is seeking a Senior Software Engineer to join its growing software development team working on advanced real-time and mission-critical systems.This role is ideal for a hands-on C++ Software Engineer wit ...

Platform Technical Lead

Stylish, grounded, uplifting – these values live through everything we do at Boden. Without the collaboration, honesty and friendship between our teams, we wouldn’t be where we are today. We curate a world of beauty that’s ethical, inclusive – and importantly – good fun. We inspire you to live your best life. ...

🚀 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

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