Lead Python Developer 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

Security Minded Python Developer for Cloud & CI/CD

A leading consulting firm in Leeds is looking for a Software Engineer to develop serverless applications in an agile environment. The candidate will have experience with Python and Cloud Native technologies on AWS or Azure, aiming for high-quality deployments backed by CI/CD practices. Benefits include up to 25 ...

Senior Full Stack Python Developer — Django, AI & HealthTech

A professional services provider is looking for a Full-stack Python Web Developer to design, develop, and maintain their platform’s components. The ideal candidate will have over 7 years of experience in software development, with strong skills in Python (Django), MongoDB, and API integration. This full-time pos ...

Cloud First Full Stack Developer (AWS, .NET & Python)

A growing Lloyd’s Insurer in Greater London is seeking a Full-Stack Developer. The role involves building and maintaining AWS-based applications, developing cloud-native software solutions using Python and C#, and integrating systems with AWS tools. Ideal candidates will have strong experience in software develo ...

Elite HFT Developer: Real Time Trading (Python/C++)

An elite proprietary trading firm in Greater London is seeking talented individuals with a strong background in programming and mathematics. The role involves building high-performance trading systems and collaborating with world-class engineers in a cutting-edge, research-driven environment. Ideal candidates sh ...

Full Stack Developer (React + Python/ AI enabled Focus)

Role This full-stack developer role requires someone with with a strong front-end focus, responsible for building the Data Portal interface and integrating it with backend services and AI capabilities. The role requires expertise in modern front-end development (React) combined with working knowl ...

Graduate Developer: Python/Linux/C#/Java — Remote (UK)

A leading technology company is seeking a Graduate / Junior Developer to join their team in London, offering flexibility with remote work. Applicants should have a foundational knowledge of Python, Linux, C#, or Java, ideally from their degree or industry experience. The role promises an engaging environment wit ...

Hybrid FX Front Office E Trading Developer Python

A leading financial services firm in London is looking for a Jnr/Mid-level Front Office E-Trading Developer. This role supports a dynamic FX trading desk and requires strong Python development skills alongside a solid understanding of financial markets. The successful candidate will engage with traders, maintain ...

Python Developer – Front Office R&D Trading Systems

Job 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 ...

Senior Full Stack Developer (Python) Networks, Vice President

Job Description Networks as a Service (NAAS) is seeking a highly skilled senior level developer with network infrastructure experience to join our development team. Your goal is to deliver products to our global network team, assisting with the transformation to an automated network and network s ...

Python Developer – APIs & LLM Data Infrastructure (Energy Markets)

Overview Modo Energy is building the data and AI infrastructure behind the energy transition — ingesting global energy datasets and powering APIs, analytics platforms, and LLM-driven systems that understand real-world power markets. Our data platform processes huge volumes of energy marke ...

Senior Agentic AI Developer | Hybrid Python, RAG, LLMs

A leading telecommunications provider is seeking two Senior Agentic AI Developers based in Bradford or Leeds. This hybrid role requires expertise in Python and agent-based architectures, focusing on developing advanced AI systems. Candidates should possess a strong background in AI/ML solutions and be comfortabl ...

Python Developer Backend or Full Stack London Hybrid

Our client is building AI products that automate complex, document-heavy workflows for financial services businesses - and they’re looking for ambitious Software Engineers to help scale the platform. This is the kind of environment where engineers ship fast, solve real problems, and see thei ...

Python Developer Backend or Full Stack London Hybrid

Our client is building AI products that automate complex, document-heavy workflows for financial services businesses - and they’re looking for ambitious Software Engineers to help scale the platform. This is the kind of environment where engineers ship fast, solve real problems, and see thei ...

Python Developer Backend or Full Stack London Hybrid

Our client is building AI products that automate complex, document-heavy workflows for financial services businesses - and they’re looking for ambitious Software Engineers to help scale the platform. This is the kind of environment where engineers ship fast, solve real problems, and see thei ...

Python Developer Backend or Full Stack London Hybrid

Our client is building AI products that automate complex, document-heavy workflows for financial services businesses - and they’re looking for ambitious Software Engineers to help scale the platform. This is the kind of environment where engineers ship fast, solve real problems, and see thei ...

Graduate / Junior Developer, Python, Linux, C#, Java – London

Graduate / Junior Developer, Python, Linux, C#, Java – London(Teck stack: Graduate / Junior Developer, Python, Linux, C#, Java, .NET 10.0, C#, J2EE, Agile, TDD, BDD, Graduate / Junior Developer)Since 2006 our client’s revolutionary marketing software platform has been helping business ...

Software Developer (Python or .NET) Build Scalable Apps

Populus Select Ltd is looking for multiple Software Developers in Tees Valley, England. This role requires expertise in Python or C#/.NET to design and maintain scalable software solutions. Candidates should have strong experience with relevant frameworks, APIs, and cloud environments. You will be part of a dyna ...

Python Counterparty Credit Risk Senior Developer, Vice President

The Analytical Calculation Engine (ACE) Development Team is a group within Citi Financial Risk Technology, responsible for developing and implementing the applications used for derivatives credit risk and exposure calculations Firm-wide. The team's primary focus is the development, testing, deploym ...

Senior Python Web App Developer Hybrid Belfast | Remote

Ocho People is seeking a Python Web Application Developer in Belfast to join a dynamic team at a key growth stage. This hybrid role offers a chance to work on major projects that shape engineering functions, involving Python and TypeScript for web apps and APIs. Ideal for mid-level or emerging senior developers, ...

Software Developer (Python) Up to £140,000 + Bonus + Package

Role: Software Developer (Python) - Up to £140,000 + Bonus + Package Salary: Up to £140,000 + Bonus + Package Location: London (Hybrid Working) Skills: Python as a main language This firm is an elite tech firm ...

Software Developer (Python) Up to £140,000 + Bonus + Package

Role: Software Developer (Python) - Up to £140,000 + Bonus + Package Make your application after reading the following skill and qualification requirements for this position.Salary: Up to £140,000 + Bonus + Package Location: London (H ...

Graduate / Junior Developer, Python, Linux, C#, Java – London

Graduate / Junior Developer, Python, Linux, C#, Java – London(Teck stack: Graduate / Junior Developer, Python, Linux, C#, Java, .NET 10.0, C#, J2EE, Agile, TDD, BDD, Graduate / Junior Developer)Since 2006 our client’s revolutionary marketing software platform has been helping business ...

Senior Python Developer for Counterparty Credit Risk VP

Citigroup Inc. is seeking a Counterparty Credit Risk Senior Application Developer in Greater London. This senior role involves integrating pricing models and enhancing workflows within the Analytical Calculation Engine application. Responsibilities include maintaining applications, optimizing performance, and co ...

Senior Full Stack Developer (Python) Networks, Vice President

Job Description Networks as a Service (NAAS) is seeking a highly skilled senior level developer with network infrastructure experience add to our development team. Your goal is to deliver products to our global network team which will assist with the transformation to an automated network ...

Senior Full Stack Developer (Python) Networks, Vice President

Job Description Networks as a Service (NAAS) is seeking a highly skilled senior level developer with network infrastructure experience add to our development team. Your goal is to deliver products to our global network team which will assist with the transformation to an automated network ...

Senior Python Developer Contract Dublin 6 18 months

Senior Python Developer Contract Dublin 6-18 months. My client a leading global firm is in urgent need of a talented and experienced Senior Python Developer to join them on a contract basis.My client is looking for a senior Developer with Commercial/enterprise experience. You will be proficient in one of ...

Senior Python Developer Contract Dublin 6 18 months

Senior Python Developer Contract Dublin 6-18 months. My client a leading global firm is in urgent need of a talented and experienced Senior Python Developer to join them on a contract basis.My client is looking for a senior Developer with Commercial/enterprise experience. You will be proficient in one of ...

Python Engineer

Join to apply for the Python Engineer role at LinkedTrade Join to apply for the Python Engineer role at LinkedTrade Are you a passionate Python developer looking for your next challenge? LinkedTrade Technologies Ltd, a leadi ...

Python Engineer

Role Highlights: Position: Python Engineer Location: Remote within the UK Employment Type: Permanent Compensation: Competitive market salary plus equity options Overview: An innovative EdTech start-up is seeking a skilled P ...

Python Engineer

Python Engineer Hybrid working - 3 days per week onsite Salary up to £65,000 per annum A leading Birmingham‑based client is seeking a Python Developer to design, build, and deploy applications using Python frameworks and LLM APIs. The position focuses on developing scalable, secure ...

Python Engineer

Python Engineer - AI/ML Automation Location - remote, with occasional trip to Edinburgh or Glasgow when required Duration - 6 months with possible extensions Day rate - circa £520 Outside ir35 We are looking for an experienced Python Engineer to join a forward-thinking agi ...

Python Engineer

Overview Role: Python Engineer Location: Belfast, UK Careers at TCS: It means more TCS is a purpose-led transformation company, built on belief. We do not just help businesses to transform through technology. We support them in making a meaningful diffe ...

Python Engineer

Senior Python Engineer (Microservices / Event-Driven) – Contract £550/day | Outside IR35 4 Months | Watford (HYBRID) We’re hiring a Senior Python Engineer with proven time-series experience to work on a real-time data platform. This is ...

Python Engineer

Senior Python Engineer (Microservices / Event-Driven) – Contract £550/day | Outside IR35 4 Months | Watford (HYBRID) We’re hiring a Senior Python Engineer with proven time-series experience to work on a real-time data platform. This is ...

Python Engineer

Senior Python Engineer (Microservices / Event-Driven) – Contract £550/day | Outside IR35 4 Months | Watford (HYBRID) We’re hiring a Senior Python Engineer with proven time-series experience to work on a real-time data platform. This is ...

Python Deveoper

Job Title: Senior Python DeveloperLocation: Wokingham (3-5 days Onsite a week)Contract: 6-Month ContractThe RoleWe are looking for an experienced Python Developer with strong expertise in algorithm development, optimization modelling, and power systems . You’ll ...

Python Deveoper

Job Title: Senior Python DeveloperLocation: Wokingham (3-5 days Onsite a week)Contract: 6-Month ContractThe RoleWe are looking for an experienced Python Developer with strong expertise in algorithm development, optimization modelling, and power systems . You’ll ...

Python Engineer

Salary: up to £200k base + bonusSummaryMy client is a leading global quant firm looking for a no-nonsense technologist to join one of their growing quant trading teams based in London. This team is one of the most experienced and profitable at the company.Collabo ...

Python Engineer

We have a fantastic new opportunity to join our team at Smartodds as a Python Engineer. Based in North London, Smartodds provides in-depth research and analysis on sporting events around the world, supported by world-class, bespoke software platforms. We are proud of our collaborative and dynamic c ...

Python Engineer

About Lendable Lendable is on a mission to build the world's best technology to help people get credit and save money. We're building one of the world’s leading fintech companies and are off to a strong start: One of the UK’s newest unicorns with a team of just over 700 people ...

Python Deveoper

Job Title: Senior Python Developer Location: Wokingham (3-5 days Onsite a week) Contract: 6-Month Contract The Role We are looking for an experienced Python Developer with strong expertise in algorithm development, optimisation modelling, and power ...

Python Engineer

Canonical is a leading provider of open source software and operating systems to the global enterprise and technology markets. Our platform, Ubuntu, is widely used in breakthrough enterprise initiatives such as public cloud, data science, AI, engineering innovation, and IoT. Canonical has over 1,200 collea ...

Python Engineer

We have a fantastic new opportunity to join our team at Smartodds as a Python Engineer. Based in North London, Smartodds provides in-depth research and analysis on sporting events around the world, supported by world‑class, bespoke software platforms. We are proud of our collaborative and dynamic c ...

Python Deveoper

Job Title: Senior Python DeveloperLocation: Wokingham (3-5 days Onsite a week)Contract: 6-Month ContractThe RoleWe are looking for an experienced Python Developer with strong expertise in algorithm development, optimizati ...

Python Developers

Position Description: CGI’s Space, Defence and Intelligence business unit focuses on delivering contemporary and innovative technical solutions to government agencies tackling some of the most complex challenges. We design, build, and operate bespoke, mission-critical systems that help ke ...

Python Engineer

We have a fantastic new opportunity to join our team at Smartodds as a Python Engineer.  Based in North London, Smartodds provides in-depth research and analysis on sporting events around the world, supported by world-class, bespoke software platforms.We are proud of our collaborative and dyna ...

Python Engineer

Salary: up to £200k base + bonusSummaryMy client is a leading global quant firm looking for a no-nonsense technologist to join one of their growing quant trading teams based in London. This team is one of the most experienced and profitable at the company.Collabo ...

Python Engineer

We have a fantastic new opportunity to join our team at Smartodds as a Python Engineer.  Based in North London, Smartodds provides in-depth research and analysis on sporting events around the world, supported by world-class, bespoke software platforms.We are proud of our collaborative and dyna ...

Python Engineer

Job Description Apply promptly! A high volume of applicants is expected for the role as detailed below, do not wait to send your CV.Python Engineer Hybrid working - 3 days per week onsite Salary up to £65,000 per annum A leading Birmingham-based client is seeking a Python D ...

Python Engineer

Title: Python Engineer Salary: Up to £60,000 Location: Bristol (On-site) Are you a Python Engineer looking to work on complex, high-impact data problems in a fast-moving and innovative sector? I'm working with a market-leadi ...

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