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

Senior WordPress Backend Engineer PHP, Gutenberg

Java Script Works is looking for a skilled developer to create enterprise-level WordPress plugins and themes primarily using PHP and React.js. The successful candidate will drive strategy in collaboration with multiple disciplines and lead the technical vision on large-scale projects. Experience with headless Ja ...

Lead Java Microservices Engineer for AWS Migration

ALOIS UK seeks a skilled lead developer in Greater London to oversee the refactoring of key applications for clients, focusing on Java microservice applications migrating to AWS. You will work with client and program teams to design, develop, and assure application components, ensuring a smooth transition to clo ...

Security Cleared Salesforce Platform Lead

Investigo Change Solutions is seeking a Security Cleared Principal Developer (Salesforce) for a 3-month contract in Greater London. You'll lead the Salesforce administration team, ensuring high-quality operational services and effective delivery within the Salesforce environment. The ideal candidate mu ...

Intranet Platform Lead – Shape the Digital Experience

Chelmsford College is looking for a Lead Intranet Developer to enhance the digital experience for staff. You will be responsible for building new features, improving usability, and integrating essential systems. This position offers the chance to set technical direction in a supportive environment valu ...

Software Development Lead Security & Back Office

Pyramid8 is seeking an experienced Software Developer to lead their Software Development Team in Castleford. The successful candidate will be responsible for the development of their comprehensive product range, focusing on self-service electronic solutions. This role is predominantly office-based with ...

Software Engineer / Java Sheffield Flexi working £45 60k

Pinfold Street, Sheffield, United Kingdom My client has spent the best part of a year developing a fully responsive, multi-platform (mobile, tablet, desktop) customer-focused solution. UX, design, and development have thus far been implemented by award-winning agencies, and as the beta launch approache ...

Software Engineer / Java Sheffield Flexi working £45 60k

Pinfold Street, Sheffield, United Kingdom My client has spent the best part of a year developing a fully responsive, multi-platform (mobile, tablet, desktop) customer-focused solution. UX, design, and development have thus far been implemented by award-winning agencies, and as the beta launch approache ...

Senior Software Engineer, CodeQL

Locations Remote, United Kingdom. Overview GitHub is the world’s leading AI‑powered developer platform, powering code development for over 180 million developers and 77 000 organisations. The Code Scanning team works on detection and remediation engines that protect software fro ...

Sr. Software Engineer Fraud & Quality Team

Sr. Software Engineer - Fraud & Quality Team Full-time Who We Are Cint is a pioneer in research technology (ResTech). Our customers use the Cint platform to post questions and get answers from real people to build business strategies, confidently publish rese ...

Quantitative Trader – HFT Futures

Quantitative Trader – High-Frequency Trading - Futures A leading trading firm is seeking a High Frequency Futures Trader to join their hugely successful desk. You will have the opportunity to leverage advanced technology and pricing models to maximize profit. <e ...

Kubernetes Linux AIOps Engineer – Elite Quant Hedge Fund

Infrastructure DevOps Engineer / SRE with expertise in Kubernetes, Linux, Observability, IaC and AIOps sought by a market-leading Quantitative Hedge Fund to further aide further business growth. Find out more about the daily tasks, overall responsibilities, and required experience for this opportun ...

Senior Cyber Engineer

The Financial Times is one of the world’s leading news organisations, globally recognised for its authority, integrity and accuracy, with a mission to deliver quality information and services worldwide. At the FT, curiosity thrives and ambitious thinking is rewarded. Here, you’re given the chance to reach ...

Senior Cyber Engineer

The Financial Times is one of the world’s leading news organisations, globally recognised for its authority, integrity and accuracy, with a mission to deliver quality information and services worldwide.At the FT, curiosity thrives and ambitious thinking is rewarded. Here, you’re given the chance to reach m ...

Senior SharePoint Developer – Hybrid, £100k, Migrations

A prestigious US law firm is seeking a Senior SharePoint Developer to lead the migration of SharePoint 2016 on-premise solutions to modern platforms. This role involves hands-on custom development, system maintenance, and intranet design. The ideal candidate should have extensive experience in SharePoint Subscri ...

Senior Software Engineer AI Native Security Platform

Snyk is seeking a skilled engineer to join their AI-native team focused on developing an innovative intelligence platform. This role involves designing and delivering high-quality solutions to complex technical challenges. You'll lead projects from concept to production, mentor fellow engineers, and contribute t ...

Technical PM Backend & DevEx (Hybrid)

Randstad Technologies Recruitment in the United Kingdom is seeking a Technical Product Manager to lead high-scale backend ecosystems from the Manchester Campus with a hybrid work model. The ideal candidate will have over 5 years of experience in Technical Product Management, focusing on backend and developer exp ...

Security‑Focused Linux OS Lead — Kernel & Virtualization

Framework Ventures in the United Kingdom is seeking a Lead Developer for a secure, user-friendly Linux operating system project. This role demands leadership in Linux OS development, focusing on principles of immutability and security comparable to Qubes OS. The ideal candidate has at least 6 years in Linux deve ...

Remote React Native Mobile Engineer for Events App

Pullup is looking for a Lead Mobile Developer to create seamless applications for event organizers and attendees on both iOS and Android. The ideal candidate will have over 3 years of experience in mobile development, strong skills in React Native and TypeScript, and a track record of publishing apps on the App ...

Engineering Lead in Glasgow Barclays

Engineering Lead Location: Glasgow, United Kingdom Tech stack Java Python Technical Skills Deploy scalable, secure platforms and services. Engineering Background Hands‑on engineering background – considerable foundational skills ...

Lead Software Engineer

Role: Lead Python Engineer (Hands-on Team Lead) Location: London – Hybrid (3 days office / 2 days WFH) Salary: Up to130k base Industry: Fintech Platform Read on to find out what you will need to succeed ...

Senior Software Engineer

Role: Lead Python Engineer (Hands-on Team Lead) Location: London – Hybrid (3 days office / 2 days WFH) Salary: Up to 130k base Industry: Fintech Platform The information below covers the role requiremen ...

Java Developer Team Lead Up to £150k + Exceptional Bonus Elite FinTech Firm London Hyb[...]

Java Developer - Team Lead - Up to £150k + Exceptional Bonus - Elite FinTech Firm- London - Hybrid Working Direct message the job poster from Hunter Bond. Sells : Cutting-edge tech, a collaborative and flat-structured environment, beautiful offices My client is looking for ...

AI Pilled BackEnd Developers and... err, cats.

There are 2 versions of this ad. Below is the anodyne version. Bonus points if you can find the more analeptic version. And provide proof of your quest. Good luck! The Back-End Developer will work for a fast-paced startup in Central London. The Back-End Developer will enjoy hyb ...

Principal Machine Learning Engineer

Job Type:PermanentBuild a brilliant future with Hiscox Principal Machine Learning EngineerLocation: London/York Why Hiscox London MarketHiscox London Market sits at the centre of global specialist insurance, tackling some of the m ...

Principal Machine Learning Engineer

Job Type:PermanentBuild a brilliant future with Hiscox Principal Machine Learning EngineerLocation: London/York Why Hiscox London MarketHiscox London Market sits at the centre of global specialist insurance, tackling some of the m ...

Principal Machine Learning Engineer

Job Type:PermanentBuild a brilliant future with Hiscox Principal Machine Learning EngineerLocation: London/York Why Hiscox London MarketHiscox London Market sits at the centre of global specialist insurance, tackling some of the m ...

Principal Machine Learning Engineer

Job Type:PermanentBuild a brilliant future with Hiscox Principal Machine Learning EngineerLocation: London/York Why Hiscox London MarketHiscox London Market sits at the centre of global specialist insurance, tackling some of the m ...

Principal Machine Learning Engineer

Job Type:PermanentBuild a brilliant future with Hiscox Principal Machine Learning EngineerLocation: London/York Why Hiscox London MarketHiscox London Market sits at the centre of global specialist insurance, tackling some of the m ...

Principal Machine Learning Engineer

Job Type:PermanentBuild a brilliant future with Hiscox Principal Machine Learning EngineerLocation: London/York Why Hiscox London MarketHiscox London Market sits at the centre of global specialist insurance, tackling some of the m ...

Senior Java Software Engineer

Direct message the job poster from Amici Procurement Solutions Experienced Tech Recruiter with extensive experience in the Scottish market UK remote (willing to travel to Glasgow office once per quarter) We’re looking for a talented Senior Java Developer to join a grow ...

Full Stack Engineer / Technical Lead B2B SaaS

Full Stack Engineer / Technical Lead (Ruby TypeScript React) London / Remote – up to £130k. Opportunity for a full stack technologist to join a highly regarded provider of serverless real‑time infrastructure for the Internet that processes billions of messages a day and powers everything ...

Senior Software Engineer at UnlikelyAI

Job Title Senior Software Engineer Company UnlikelyAI – Series A neurosymbolic AI startup Job Description Join the team building the future of reliable AI by combining LLMs with proprietary symbolic reasoning. You will architect a new public API and platform ex ...

Power BI Engineer

We are seeking a skilled and detail-oriented Power BI Engineer to join our team. The ideal candidate will be responsible for designing, developing, and maintaining business intelligence solutions that support data-driven decision-making across the organization. During the initial onboarding period (first 3 ...

12 Month Internship eFX IT Developer

We are seeking a Developer with strong communication and customer-facing skills to join our team in London. This role offers the opportunity to work closely with front office users, including traders, risk analysts, and operational staff, in the dynamic field of foreign exchange trading. The ideal candidat ...

DevOps Engineer

Our client, a leading global hedge fund, is seeking a highly talented DevOps Engineer to join their core Trading Infrastructure team. This is a rare opportunity to work on mission‑critical, low‑latency systems that power a world-class quantitative trading platform. In this role, you'll work on tech ...

Senior Software Engineer at UnlikelyAI

Job Title Senior Software Engineer Company Description UnlikelyAI - Series A neurosymbolic AI startup Job Description Join the team building the future of reliable AI by combining LLMs with proprietary symbolic reasoning. You will architect a new public API and ...

AI Product Engineer (Building with LLMs | £250k)

Title: AI Product Engineer (Building with LLMs) Location: London, hybrid to fully on-site Salary: Up to £250,000 + Equity This role is with one of Dex's trusted partner companies. We work closely with their teams to truly understand their culture, goals, and what they're looking f ...

Full Stack Engineer

Full Stack Engineer - Remote PLEASE NOTE: YOU MUST BE A RESIDENT OF THE U.K. TO BE CONSIDERED FOR THIS ROLE. An early stage, high growth technology business is redefining how eCommerce brands connect with customers through data driven, automated marketing s ...

Full Stack Engineer

Full Stack Engineer - Remote PLEASE NOTE: YOU MUST BE A RESIDENT OF THE U.K. TO BE CONSIDERED FOR THIS ROLE. An early stage, high growth technology business is redefining how eCommerce brands connect with customers through data driven, automated marketing s ...

Full Stack Engineer

Full Stack Engineer - Remote PLEASE NOTE: YOU MUST BE A RESIDENT OF THE U.K. TO BE CONSIDERED FOR THIS ROLE. An early stage, high growth technology business is redefining how eCommerce brands connect with customers through data driven, automated marketing s ...

Full Stack Engineer

Full Stack Engineer - Remote PLEASE NOTE: YOU MUST BE A RESIDENT OF THE U.K. TO BE CONSIDERED FOR THIS ROLE. An early stage, high growth technology business is redefining how eCommerce brands connect with customers through data driven, automated marketing s ...

Full Stack Engineer

Full Stack Engineer - Remote PLEASE NOTE: YOU MUST BE A RESIDENT OF THE U.K. TO BE CONSIDERED FOR THIS ROLE. An early stage, high growth technology business is redefining how eCommerce brands connect with customers through data driven, automated marketing s ...

Full Stack Engineer

Full Stack Engineer - Remote PLEASE NOTE: YOU MUST BE A RESIDENT OF THE U.K. TO BE CONSIDERED FOR THIS ROLE. An early stage, high growth technology business is redefining how eCommerce brands connect with customers through data driven, automated marketing s ...

Full Stack Engineer

Full Stack Engineer - Remote PLEASE NOTE: YOU MUST BE A RESIDENT OF THE U.K. TO BE CONSIDERED FOR THIS ROLE. An early stage, high growth technology business is redefining how eCommerce brands connect with customers through data driven, automated marketing s ...

Full Stack Engineer

Full Stack Engineer - Remote PLEASE NOTE: YOU MUST BE A RESIDENT OF THE U.K. TO BE CONSIDERED FOR THIS ROLE. An early stage, high growth technology business is redefining how eCommerce brands connect with customers through data driven, automated marketing s ...

Full Stack Engineer

Full Stack Engineer - Remote PLEASE NOTE: YOU MUST BE A RESIDENT OF THE U.K. TO BE CONSIDERED FOR THIS ROLE. An early stage, high growth technology business is redefining how eCommerce brands connect with customers through data driven, automated marketing s ...

Full Stack Engineer

Full Stack Engineer - Remote PLEASE NOTE: YOU MUST BE A RESIDENT OF THE U.K. TO BE CONSIDERED FOR THIS ROLE. An early stage, high growth technology business is redefining how eCommerce brands connect with customers through data driven, automated marketing s ...

Full Stack Engineer

Full Stack Engineer - Remote PLEASE NOTE: YOU MUST BE A RESIDENT OF THE U.K. TO BE CONSIDERED FOR THIS ROLE. An early stage, high growth technology business is redefining how eCommerce brands connect with customers through data driven, automated marketing s ...

Full Stack Engineer

Full Stack Engineer - Remote PLEASE NOTE: YOU MUST BE A RESIDENT OF THE U.K. TO BE CONSIDERED FOR THIS ROLE. An early stage, high growth technology business is redefining how eCommerce brands connect with customers through data driven, automated marketing s ...

Full Stack Engineer

Full Stack Engineer - Remote PLEASE NOTE: YOU MUST BE A RESIDENT OF THE U.K. TO BE CONSIDERED FOR THIS ROLE. An early stage, high growth technology business is redefining how eCommerce brands connect with customers through data driven, automated marketing s ...

🚀 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