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

Flutter Developer Intern (Start ASAP)

Join Appfoster as a Flutter Developer Intern to design and develop mobile applications while collaborating with a dynamic team. Your role Key responsibilities as follows: Assist in the design, development, and maintenance of mobile applications using Flutter. Collaborat ...

Senior Ruby on Rails Developer

Senior Ruby on Rails Engineer Remote (UK-based) | £70,000 – £80,000 About the Company Our client is a growing technology business delivering a data and AI platform to a specialist professional services market. They work with demanding, commercially‑minded clients and build produ ...

Front End Developer – Home Based

Job Type: Full-Time / Part-Time / Contract About the Opportunity Vita CV is hiring on behalf of our client, a product and design team focused on responsive interfaces, user experience, and modern front‑end delivery. This is a UK‑wide remote opportunity for a Front End Developer wh ...

Full Stack .Net Software Developer

Full Stack Dot Net Software Developer Our Client is an established leader in the travel industry. They are looking to recruit a full stack Dot Net Software Developer to work on a major transformation programme for this award-winning Luxury Travel Company. Projects will include des ...

Salesforce Developer: Apex, API & AppExchange

Java Script Works in the United Kingdom is seeking a Salesforce Developer to join their team in a full-time capacity. The ideal candidate will thrive in a product-led, high-growth business environment and should have proficiency in JavaScript and various frameworks such as React, Angular, and Vue.js. T ...

NetSuite ERP Developer & Integrations Specialist

IT Works Recruitment LTD is seeking a NetSuite Developer responsible for designing, developing, and supporting NetSuite ERP solutions. The role includes collaborating with stakeholders to improve system functionality through customisations and integrations, translating business needs into technical solutions, an ...

Tech Quantitative Developer (UK based)

Tech - Quantitative Developer (UK based) United Kingdom Company Overview Soros Fund Management LLC (SFM) is a global asset manager and family office founded by George Soros in 1970. With $28 billion in assets under management (AUM), SFM serves as the principal asset manage ...

React Developer (Contract) — Design & Transformation

React Developer (IT) United Kingdom Posted 9 months ago Tech stack Learning React Responsibilities Technical Troubleshooting Continuous Learning Software Design Strategic Thinking Change and Tr ...

Full Stack Developer — Bioinformatics Platforms

European Bioinformatics Institute (EMBL-EBI) is looking for an experienced Full Stack Software Developer to join its BioSamples team in the UK. The role involves developing scalable systems for biological metadata management, creating user-facing web applications, and collaborating with diverse teams on scientif ...

Senior Angular and Java Developer

Overview Senior Full Stack Developer (Angular + Java) – Remote (UK based) Responsibilities Build responsive frontends with Angular Develop backend services & APIs with Java + Spring Boot Write clean, testable code Mentor junior devs Troubles ...

Senior Remote Flutter Mobile Developer

A leading technology company is seeking a skilled Flutter Mobile App Developer to join their remote team. You will develop and maintain high-performance mobile applications using Flutter, ensuring quality and responsiveness. Ideal candidates have a minimum of 3 years of Flutter development experience and profici ...

Unity Developer ( 12 months FTC )

Job Title Unity Developer (12 months FTC) Job Description Location Remote (UK Residents Only). Please note we are only accepting applications from within the UK due to being flexible to travel to work events/socials. This is a 12 months FTC with the high chance of it b ...

PowerBuilder Developer | Hybrid, Growth & Ownership

Ocs Consulting is seeking experienced PowerBuilder Consultants in the United Kingdom. The role is hybrid, combining remote work with occasional travel. Candidates should have over 3 years of recent experience in PowerBuilder and familiarity with Oracle PL/SQL. In return, Ocs offers a competitive salary between £ ...

Senior Java Developer (E Trading)

Overview 10am-7pm EST hours. This is a unique opportunity to get in on the ground floor of a greenfield development project to design and develop a low-latency, electronic trading platform for interest rate swaps, US treasuries and futures. In this role, you will interact directly with trading, q ...

Software Engineer / Developer / Programmer Remote

About the Project Outlier helps the world’s most innovative companies improve their AI agents by providing human feedback. We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to desig ...

Full Stack Developer JS Remote

About the Project Outlier helps the world’s most innovative companies improve their AI agents by providing human feedback. We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to desig ...

Software Developer (Remote) (Aberdeen City)

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? </b ...

AI Agent Developer (Remote) (Cardiff)

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? </b ...

Software Engineer / Developer / Programmer Remote

About the Project Outlier helps the world’s most innovative companies improve their AI agents by providing human feedback. We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to desig ...

Full Stack Developer JS Remote

About the Project Outlier helps the world’s most innovative companies improve their AI agents by providing human feedback. We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to desig ...

AI Agent Developer (Remote) (Manchester)

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? </b ...

Back End Developer | Mobile | Remote

Senior Backend Engineer – Mobile - Fully Remote Anywhere in UK & Europe! £115,000 Want to apply Read all the information about this position below, then hit the apply button.I’m working with a high-growth, consumer-facing mobile platform used by millions globally, who a ...

Software Engineer / Developer / Programmer Remote

About the Project Outlier helps the world’s most innovative companies improve their AI agents by providing human feedback. We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to desig ...

Full Stack Developer JS Remote

About the Project Outlier helps the world’s most innovative companies improve their AI agents by providing human feedback. We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to desig ...

AI Agent Developer (Remote) (Sheffield)

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? </b ...

Software Engineer / Developer / Programmer Remote

About the Project Outlier helps the world’s most innovative companies improve their AI agents by providing human feedback. We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to desig ...

Software Engineer / Developer / Programmer Remote

About the Project Outlier helps the world’s most innovative companies improve their AI agents by providing human feedback. We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to desig ...

Software Engineer / Developer / Programmer Remote

About the Project Outlier helps the world’s most innovative companies improve their AI agents by providing human feedback. We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to desig ...

AI Agent Developer (Remote) (Coventry)

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? </b ...

AI Agent Developer (Remote) (Leicester)

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? </b ...

Software Engineer / Developer / Programmer Remote

About the Project Outlier helps the world’s most innovative companies improve their AI agents by providing human feedback. We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to desig ...

AI Agent Developer (Remote) (Oxford)

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? </b ...

Software Engineer / Developer / Programmer Remote

About the Project Outlier helps the world’s most innovative companies improve their AI agents by providing human feedback. We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to desig ...

Full Stack Developer JS Remote

About the Project Outlier helps the world’s most innovative companies improve their AI agents by providing human feedback. We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to desig ...

AI Agent Developer (Remote) (Cambridge)

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? </b ...

AI Agent Developer (Remote) (Belfast)

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? </b ...

AI Agent Developer (Remote) (Birmingham)

About the Project Outlier helps the world’s most innovative companies improve their AI agents by providing human feedback. We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to desig ...

Software Engineer / Developer / Programmer Remote

About the Project Outlier helps the world’s most innovative companies improve their AI agents by providing human feedback. We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to desig ...

AI Agent Developer (Remote) (Southampton)

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? </b ...

Software Engineer / Developer / Programmer Remote

About the Project Outlier helps the world’s most innovative companies improve their AI agents by providing human feedback. We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to desig ...

AI Agent Developer (Remote) (Bristol)

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? </b ...

Full Stack Developer JS Remote

About the Project Outlier helps the world’s most innovative companies improve their AI agents by providing human feedback. We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to desig ...

Software Engineer / Developer / Programmer Remote

About the Project Outlier helps the world’s most innovative companies improve their AI agents by providing human feedback. We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to desig ...

Software Engineer / Developer / Programmer Remote

About the Project Outlier helps the world’s most innovative companies improve their AI agents by providing human feedback. We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to desig ...

Software Engineer / Developer / Programmer Remote

About the Project Outlier helps the world’s most innovative companies improve their AI agents by providing human feedback. We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to desig ...

Software Developer (Remote) (Glasgow City)

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? </b ...

AI Agent Developer (Remote) (Leeds)

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? </b ...

AI Agent Developer (Remote) (Manchester)

About the Project Outlier helps the world’s most innovative companies improve their AI agents by providing human feedback. We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to desig ...

Software Engineer / Developer / Programmer Remote

About the Project Outlier helps the world’s most innovative companies improve their AI agents by providing human feedback. We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to desig ...

Software Engineer / Developer / Programmer Remote

About the Project Outlier helps the world’s most innovative companies improve their AI agents by providing human feedback. We collaborate with leading AI organizations to train Large Language Models (LLMs) to function as proactive, multi-step agents. Our projects focus on teaching these systems how to desig ...

🚀 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