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

Remote Senior Python Engineer — Public API & AI Backend

Photoroom is seeking a Senior Python Engineer for its Public API team. The role involves designing and evolving our public API product, crucial for accessing Photoroom's AI capabilities. Candidates should have strong backend experience in Python and skills in API design, particularly with FastAPI. The position s ...

Senior Backend Python Engineer AI Platform, Vice President

Are you looking for a career move that will put you at the heart of a global financial institution? We are seeking an exceptionally skilled Senior Python Software Engineer to architect and implement robust, scalable backend systems that power our advanced AI tools and services. This hands‑on individual con ...

Impactful Full Stack Software Engineer (Java/React/Python)

A global financial information services provider is seeking a Software Engineer to join their team in Manchester. The role involves developing full-stack applications using Java, REACT, and Python, with a focus on data migrations and relational databases. Candidates should have at least 5 years of software engin ...

Python Engineer at a Global Private Equity Firm

Are you a Python Engineer in finance looking to work on greenfield projects? Read the overview of this opportunity to understand what skills, including and relevant soft skills and software package proficiencies, are required.This is an opportunity to join a global private equity firm th ...

Senior Software Engineer / Principal Software Engineer C++, Python

Senior Software Engineer / Principal Software Engineer- C++, Python - Financial / Banking. Candidates will have a minimum 8+ years C++ experience and excellent knowledge of Python -coming from a Financial / Banking background with knowledge of Equities, Futures & Options and Fixed Inc ...

Senior Data Platform Engineer I Database Platform Python

Job DescriptionYou’ll work on high-scale systems used by hundreds of engineers, shaping how we run databases globally through automation, observability, and platform thinking - developing the internal database platform, automation, and tooling that powers hundreds of databases across multiple enviro ...

Senior Python Engineer – AI Unicorn – London Scale Up

Job Description The Role As a senior backend python engineer for this Computer Vision Scale up you will build highly scaleable data intensive cloud based services and infrastructures that power AI based systems. You will be part of a multidisciplinary team where each member ...

Senior Python Engineer – Data Ingestion – HealthTech – $100m Funding

Job Description The Role As a senior python engineer on the data ingestion team you will work closely with senior stakeholders in the business to build out a Data Ingestion framework and infrastructure that allows seamless transfer of data 24/7. You will •Develop ...

Quantum Research Scientist with Python / 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 ...

Full Stack Engineer (Kotlin and/or Python) – VP

Full Stack Engineer (Kotlin and/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 few can match. Fro ...

Quantum Research Scientist with Python / 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 ...

Quantum Research Scientist with Python / 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 ...

Quantum Research Scientist with Python / 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 ...

Mid Level Software Engineer (Python) RegTech 2026 UK

Suade is building world- leading regulatory technology aimed at preventing the next financial crisis. Our success is built on the ability of our engineers to work hand-in-hand with domain experts, translating concepts from finance and regulation into code. The RegTech Engine ...

Software Engineer Python (Remote in the United Kingdom)

About KnowBe4KnowBe4, the provider of the world's largest security awareness training and simulated phishing platform, is used by tens of thousands of organizations around the globe. KnowBe4 enables organizations to manage the ongoing problem of social engineering by helping them train employees ...

Senior Backend Python Engineer AI Platform, Vice President

Are you looking for a career move that will put you at the heart of a global financial institution? We are seeking an exceptionally skilled Senior Python Software Engineer to architect and implement robust, scalable backend systems that power our advanced AI tools and services. This hands-on individual contri ...

Software Engineer (AWS, Python, C#/C++, CFD/FEA)

Software Engineer (AWS, Python, C#/C++, CFD/FEA)Oxford – 3-4 days per week in office.£45000 - £68000 + Package.- Must have aputing/STEM Degree (2:1 or higher).- Can work in their Oxford head office 3-4 days week.- Must have experience with AWS / Distributedputing an ...

AI Python Engineer Contract Dublin 6 18 Months

AI Python Engineer Contract Dublin 6-18 Months. My client a leading global firm is in urgent need due to a new greenfield project of hiring a talented and experienced AI Python Engineer to join them on a contract basis for 6 months rolling up to 18-20 months.The role focuses on building and operating pro ...

Python Engineer AI Agents (Remote) (Newcastle upon Tyne)

About the Project Find out more about this role by reading the information below, then apply to be considered. Outlier helps the world s most innovative companies improve their AI agents by providing human feedback. Do you want to shape the future of autonomous agents like OpenClaw? We collaborate with leading A ...

Python Engineer AI Agents (Remote) (City of Edinburgh)

About the Project Find out more about this role by reading the information below, then apply to be considered. Outlier helps the world s most innovative companies improve their AI agents by providing human feedback. Do you want to shape the future of autonomous agents like OpenClaw? We collaborate with leading A ...

Senior Structural Engineer — Design Leadership with Python Skills

Stars Arena is seeking a Senior Structural Engineer to work in Epsom, United Kingdom. The role is full-time and offers a competitive compensation package. The ideal candidate should possess strong interpersonal and communication skills and the ability to adapt to diverse working environments. Knowledge of Python ...

Senior Python AI Engineer for Live Recommendations (Hybrid)

Mindera is looking for a Senior AI Engineer to join their team responsible for the AI Stylist, a live, AI-driven product. This production-focused role requires strong Python skills and experience with AI applications, particularly in recommendations. The position involves collaborating with engineers and data sc ...

Senior SRE: Java/Python for Secure Collaboration Platforms

A global financial services firm is seeking a Site Reliability Engineer III to lead the integration of collaboration platforms like Microsoft 365 B2B and Google Workspace. The role includes managing secure external sharing solutions and ensuring platform reliability. Candidates should have a BS/BA and hands-on e ...

Senior Embedded Software Engineer – C/C++, Python & SQLite

Java Script Works is searching for a Senior Embedded Software Engineer to join their team in Eastleigh, United Kingdom. This full-time role requires a Bachelor’s degree in engineering and extensive software development experience, particularly in C++. Familiarity with tools like Node.js, Python, and SQLite is de ...

Engineering Manager

Hybrid: a few times a month in office Overview I build and scale great Engineering teams within the Ruby on Rails market and have worked with some of London's fastest growing businesses. An Engineering Manager is needed to join one of the UK's leading E-commerce & Gifting businesses, to lea ...

Senior Consultant Data Analyst UK

Your Role As an Azure & Microsoft Fabric Lead Developer, you will lead the design and development of enterprise‑grade data pipelines, lakehouses, and analytics solutions using Azure Data Services and Microsoft Fabric for client program. You will be responsible for building scalable ingestion, tra ...

Engineering Manager

Hybrid: a few times a month in office Overview I build and scale great Engineering teams within the Ruby on Rails market and have worked with some of London's fastest growing businesses. An Engineering Manager is needed to join one of the UK's leading E-commerce & Gifting businesses, to lea ...

Lead Software Engineer

MCS Group is working with a new entrant to NI as they seek to hire a Principal Software Engineer.The information below covers the role requirements, expected candidate experience, and accompanying qualifications.A fully remote role within Northern Ireland, this is a brilliant opportunity for a Principal ...

Senior Markit EDM Developer / Technical Lead to migrate and modernize the enterprise data platform using Azure Cloud

Our valued client is seeking a Senior Markit EDM Developer / Technical Lead to migrate and modernize the enterprise data platform using Azure CloudInitial 1.5 year contract, with strong possibility of extension. % remote. 7.5 hours per day, Monday to Friday in EST Timezone. As the success ...

Senior .NET Developer – B2C Web & Payment Platforms

Ashdown Group is looking for a Senior .Net Software Developer based in Central London with a salary of £90,000. The role demands a highly experienced Lead C# Software Developer with substantial Azure cloud experience, specializing in B2C website booking platforms and customer payment systems. The developer will ...

Kubernetes Product Owner

About The Opportunity Job Type: Permanent Application Deadline: 31 May 2026 Title: Kubernetes Platform Owner – Engineering Manager Department: Enterprise Technology Services Location: Cannon St/Kingswood Fields UK Reports To: ...

Kubernetes Product Owner

About the OpportunityJob Type: PermanentApplication Deadline: 31 May 2026Title: Kubernetes Platform Owner – Engineering Manager Department: Enterprise Technology Services Location: Cannon St/Kingswood Fields UKReports To: < ...

Full Stack Engineer

Direct message the job poster from Intellect Group Recruitment Consultant at Intellect Group Are you passionate about building technology that drives real-world impact? Join a forward-thinking team committed to modernising how critical services are delivered across the UK and beyond. </ ...

Senior Engineer (Vice President)

## For additional information, please review .**About the Department**Developer Engineering & Engineering Excellence Tech is a function within CTO, responsible for measuring and supporting Engineers across Citi. Our mission is to make it easy and enjoyable for software engineering teams to go from a business ide ...

Software Engineer (AVP) Belfast

For additional information, please review .------------------------------------------------------**Job Family Group:**Technology------------------------------------------------------**Job Family:**Applications Development------------------------------------------------------**Time Type:**Full time--------------- ...

Senior Engineer (Vice President)

## For additional information, please review .**About the Department**Developer Engineering & Engineering Excellence Tech is a function within CTO, responsible for measuring and supporting Engineers across Citi. Our mission is to make it easy and enjoyable for software engineering teams to go from a business ide ...

AI & Automation Manager

AI & Automation Manager Birmingham - Hybrid Are you an experienced RPA Developer or Solution Architect ready to take the next step into a strategic leadership role? We’re working with a leading UK consultancy that’s expanding its AI & Automation practice, delivering intell ...

Java Developer in Manchester Axiom Software Solutions Limited

Java Developer Manchester, United Kingdom Posted 12 months ago Tech stack Java 8 JUnit Artificial Intelligence Java GitHub Unit test Cucumber REST Responsibilities <li ...

Quantitative Investment Strategies(QIS) Platform Developer

Overview Quantitative Investment Strategies(QIS) Platform Developer Join Barclays’ QA Equity & Hybrid Products team as a QIS Platform Developer to support the next-generation Quantitative Investment Strategies (QIS) platform. Partnering with Trading, Structuring, Strats, and Technol ...

Quantitative Investment Strategies(QIS) Platform Developer

Overview Quantitative Investment Strategies(QIS) Platform Developer Join Barclays’ QA Equity & Hybrid Products team as a QIS Platform Developer to support the next-generation Quantitative Investment Strategies (QIS) platform. Partnering with Trading, Structuring, Strats, and Technol ...

AI Driven Senior Architect & Tech Lead — Remote First

STARLIMS is seeking a Senior Architect/Lead Developer to lead the Labstep platform's architecture and AI features. This role offers complete technical autonomy to manage an AWS stack and lead the AI roadmap while mentoring a Junior Developer. Ideal candidates have over 5 years of experience in software developme ...

Senior Software Developer in Test

Join to apply for the Senior Software Developer in Test role at Ten10 Direct message the job poster from Ten10 About the Role This is more than just a job—it’s an opportunity to lead, innovate, and grow. As a Senior Software Developer in Te ...

Quantitative Developer C++ Infrastructure for Quant Analytics

Quantitative Developer - C++ Infrastructure for Quant Analytics Location London Business Area Product Ref # Description & Requirements The Quant Analytics department at Bloomberg sits within Enterprise Products and is responsible for modeling market data, pr ...

Quantitative Developer C++ Infrastructure for Quant Analytics

Quantitative Developer - C++ Infrastructure for Quant Analytics Location London Business Area Product Ref # Description & Requirements The Quant Analytics department at Bloomberg sits within Enterprise Products and is responsible for modeling market data, pr ...

Software Technical Architect

This range is provided by Context Recruitment. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Software Technical Architect Exciting opportunity to join one of the UK's leading Managed Services Provid ...

Software Technical Architect

This range is provided by Context Recruitment. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Software Technical Architect Exciting opportunity to join one of the UK's leading Managed Services Provid ...

Staff Software Engineer Serverless

We’re looking for a Staff/Senior Software Engineer to technically lead and build Runware’s serverless platform. You’ll be part of a small team working closely with senior leadership to bring a new product line to market.Runware is evolving beyond model APIs into a platform where developers can deploy m ...

Junior Full Stack Software Developer

Lovey: Helping businesses access the funding they need to grow At Lovey, we believe every business deserves access to the funding it needs to grow. Since 2016, we've helped thousands of UK companies secure finance through technology that makes the process faster, simpler, and more transparent. We ...

Junior Full Stack Software Developer

Requirements At least 2 years of commercial software development experience Strong experience with Python and backend development (FastAPI desirable) Solid experience with TypeScript and modern frontend frameworks (React/Next.js) Experience designing and workin ...

Senior Software Engineer

Senior Software Engineer – Health Technology (Cambridge, Hybrid) Location: Cambridge (hybrid) We’re partnering with an organisation at the forefront of developing cutting‑edge technology that’s redefining how we understand and approach human health. They’re looking to bring a skil ...

🚀 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