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

Full Stack Developer (Java)

**Introduction**At IBM Consulting UK FutureNow, you’ll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors.You’ll collaborate with top industry professionals, gain hands on experience with cutting edge technologies, and deliver so ...

Full Stack Developer (Java)

**Introduction**At IBM Consulting UK FutureNow, you’ll build a career at the forefront of hybrid cloud and AI, working with leading clients across the public and private sectors.You’ll collaborate with top industry professionals, gain hands on experience with cutting edge technologies, and deliver so ...

Junior Quant Developer C# London £75,000 + Comps

Junior Quant Developer - C# - London - £75,000 + Comps Location: London Type: Hybrid We’re representing a leading global trading firm seeking a talented Risk Technology Developer to join their Front Office Technology group. This team builds and enhances the firm’s in-house pricing ...

Junior Quant Developer C# London £75,000 + Comps

Junior Quant Developer - C# - London - £75,000 + Comps 2 days ago – Be among the first 25 applicants. Quantitative Technology Headhunter at Hunter Bond Location: London Type: Hybrid We’re representing a leading global trading firm seeking a talented Risk Technolo ...

Full Stack Software developer

About The Company A multidisciplinary agency delivering creative, print, project management and installation solutions for global brands. The business specialises in large‑format print, retail graphics and end‑to‑end campaign delivery—from concept through to installation. Vacancy Detail ...

Battery Management System (BMS) Algorithm Developer

Battery Management System (BMS) Algorithm Developer Location: Midlands, UK Employment Type: Full-time / Contract / Hybrid / Remote Department: EV Systems / Powertrain Engineering Overview We are looking for a passionate and experienced BM ...

Java Full Stack Developer

Job description Senior Java Full Stack DeveloperLocation: London (Hybrid – minimum 3 days onsite)Contract: 6 months Rate: Market rate (Inside IR35)The RoleWe are looking for a Senior Java Full Stack Developer ...

Java Full Stack Developer

Job description Senior Java Full Stack DeveloperLocation: London (Hybrid – minimum 3 days onsite)Contract: 6 months Rate: Market rate (Inside IR35)The RoleWe are looking for a Senior Java Full Stack Developer ...

Python Developer Real Time Data/Distributed Systems) Up to £300k 1st Year Compensation El[...]

Senior Python Developer (Real-Time Data/Distributed Systems) Client: Elite FinTech Firm Salary: Up to £300k 1st Year Compensation Location: London (Hybrid Working) Sells: Cutting-edge tech, ownership of multiple greenfield projects, friendly ...

Model Developer

Model Developer Department: Modelling Employment Type: Permanent - Full Time Location: Oxford, UK Description We’re looking for a Model Developer to help us build and maintain the Python codebase behind Aurora’s Origin and Chronos modelling sof ...

Software Developer

Software DeveloperLocation: Northern Ireland (Hybrid working)Interview Location: Belfast (travel expenses not paid)Contract: 6‑month contract with a view to permanentRate/Salary: Hays is recruiting a Software Developer for a Northern Ireland–based organisation offering hybrid working. This role ...

Software Developer

Software DeveloperLocation: Northern Ireland (Hybrid working)Interview Location: Belfast (travel expenses not paid)Contract: 6‑month contract with a view to permanentRate/Salary: Hays is recruiting a Software Developer for a Northern Ireland–based organisation offering hybrid working. This role ...

Back End Developer

Senior Backend Developer | Python, AI, ML, NLP | Start-Up | Bristol (4-days onsite) We are hiring a Senior Backend Developer with strong Python expertise and experience building AI-enabled systems to join a team developing an advanced communications platform. This role is suited to ...

Backend Software Engineer Python Data R&D

Backend Software Engineer / Developer (Python Data R&D) Cambridge onsite to £55kWould you like to work on Greenfield projects at the cutting edge of medical technology?You could be joining a well funded start-up, collaborating with scientists and other engineers to develop sensing and ima ...

Backend Software Engineer Python Data R&D

Backend Software Engineer / Developer (Python Data R&D) Cambridge onsite to £55kWould you like to work on Greenfield projects at the cutting edge of medical technology?You could be joining a well funded start-up, collaborating with scientists and other engineers to develop sensing and ima ...

Software Developer (SFIA 4) SC / Newcastle CEA

Software Developer Permanent | Hybrid (willing to travel to Newcastle) | Python | Apache | Data | SC cleared Hybrid work arrangement. Office attendance is up to 60%. Location is flexible: London, Leeds, Newcastle, Sheffield, Blackpool, Manchester ...

Software Developer (SFIA 4) SC / Newcastle CEA

Software Developer Permanent | Hybrid (willing to travel to Newcastle) | Python | Apache | Data | SC cleared Hybrid work arrangement. Office attendance is up to 60%. Location is flexible: London, Leeds, Newcastle, Sheffield, Blackpool, Manchester ...

Kickstart Your AI Career: Beginner Developer Programme

Job Description Junior AI Developer Programme – Job Support Included Complete online training designed to help you enter junior AI and developer roles. Study part-time, build coding and AI fundamentals, and receive structured job support to help you secure your first role. Programm ...

AI and Machine Learning Beginner Programme (Bournemouth)

Job Description Junior AI Developer Programme – Job Support Included Complete online training designed to help you enter junior AI and developer roles. Study part-time, build coding and AI fundamentals, and receive structured job support to help you secure your first role. Programm ...

Developer Support Engineer

About the company Braintrust is the AI observability platform. By connecting evals and observability in one workflow, Braintrust gives builders the visibility to understand how AI behaves in production and the tools to improve it. Teams at Notion, Stripe, Zapier, Vercel, and Ramp use Brai ...

Contract Applications Developer (C++ & QT)

Job Title: Contract Applications Developer – C++ / Qt Location: Colchester Rate: £55 - £60 per hour (indicative, outside IR35) Contract Length: 3–6 months Working Arrangements: Primarily on-site, with some flexibility depending on project phase Overview An established technology company b ...

Contract Applications Developer (C++ & QT)

Job Title: Contract Applications Developer – C++ / Qt Location: Colchester Rate: £55 - £60 per hour (indicative, outside IR35) Contract Length: 3–6 months Working Arrangements: Primarily on-site, with some flexibility depending on project phase Overview An established technology company b ...

Software Engineer/Quant Developer (FULLY REMOTE) Up to £200k + Bonus London

Overview Software Engineer/Quant Developer (Python) – FULLY REMOTE – Up to £200,000 P/A + Bonus (DOE). Client: Performance Software Scale Up Job title: Software Engineer/Quant Developer (Python) Location: FULLY REMOTE Role My client are seeking a talented engi ...

Full Stack Developer (React/Python) Up to £180k + Exceptional Bonus Elite FinTech Firm London

Perks: Modern tech stack, flat team structure, collaborative culture, beautiful workspace We're working with a top-tier FinTech client who is looking for outstanding Full Stack Developers to join their high-performing team. You'll be building complex, enterprise-level applications that ar ...

Software Engineer

C++ Developer | EU & Dubai | $200k+ | HFT Crypto About the role A growing trading technology firm is seeking a Senior C++ Developer to lead design and delivery of high-performance, production-grade systems. The role owns complex connectivity and core infrastructure work to ...

Machine Learning Developer Quant Strategies

Machine Learning Developer - Quant StrategiesAn exciting position has become available with an innovative investor who is looking for a Machine Learning Developer to focus on quantitative strategies and research. This exciting new role will give the Machine Learning Developer an opportunity to wo ...

Software Engineer

Software Developer Hybrid (2-3 days on-site) | Guildford, UK £40-50k per annum We're partnering with an award-winning cleantech business, transforming the bioenergy sector using advanced data science and AI. As the platform scales, they're hiring a Software De ...

Junior Full Stack Developer

Junior Full Stack Developer (JavaScript) Milton Keynes - Hybrid £35,00 - £40,000 + 2 days WFH + Training + HolidayThis is an excellent opportunity for a Junior Full Stack Developer looking to join a business that offers huge internal progression opportunities. Within this role you ...

Junior Full Stack Developer

Junior Full Stack Developer (JavaScript) Milton Keynes - Hybrid £35,00 - £40,000 + 2 days WFH + Training + HolidayThis is an excellent opportunity for a Junior Full Stack Developer looking to join a business that offers huge internal progression opportunities. Within this role you ...

Data Scientist: Unstructured Data & Innovation (Remote)

You need to have knowledge of various programming languages, such as Python, C/C++, SQL, and Java. Understanding analytical tools such as SAS, Hadoop, Spark, Hive, Pig, and R LOCATION London, UK Toronto, CA Montreal, CA New York, NY Remote work available <p ...

DATA SCIENTIST

You need to have knowledge of various programming languages, such as Python, C/C++, SQL, and Java. Understanding analytical tools such as SAS, Hadoop, Spark, Hive, Pig, and R LOCATION London, UK Toronto, CA Montreal, CA New York, NY Remote work available <p ...

Software Developer

Job summary We’re seeking a Software Developer experienced in back end (with focus on data pipelines) as well as wider technologies. You can code in Python and have experience of ETL systems e.g., Apache Spark or similar. During the interview, it will be beneficial to share and walk the p ...

Software Developer

Job summary We’re seeking a Software Developer experienced in back end (with focus on data pipelines) as well as wider technologies. You can code in Python and have experience of ETL systems e.g., Apache Spark or similar. During the interview, it will be beneficial to share and walk the p ...

Junior Quant Developer Multi Strat Systematic Trading Fund

Junior Quant Developer – Multi-Strategy Systematic Trading Location - London (or NYC) A leading investment firm specialising in multi-strategy systematic trading is seeking a Junior Quant Developer to join its front-office execution team in London. The firm integrates divers ...

Lead AI Engineer

MCS Group is seeking a Lead AI Engineer to join one of their fastest-growing clients. This is a truly unique role where you'll sit at the centre of a fast-moving, product-focused AI company, working directly with organisations operating at the sharpest end of complexity. As ...

Ruby On Rails Developer

Ruby on Rails Developer- London (Hybrid) A fast-growing technology business is building the next generation of insurance solutions, helping major e-commerce platforms protect customers while delivering simple, modern insurance experiences. They are scaling, ambitious, and building properl ...

Full Stack Engineer

Overview Mid-Level Full Stack Developer — Permanent — Our client, an innovative SaaS provider in the scientific and workflow automation space, is looking for a skilled mid-level Full Stack Developer to join their growing engineering team. Their platform is used globally to streamline complex proce ...

C++ Developer Equities

Equity Derivatives Quant Developer - C++, Python, CI/CD, Equities, Equity Derivatives, Pricing, Sensitivity Calculations, Algorithms, Quant Finance, Risk Management I am seeking an experienced C++/Python Quant Developer to join my client who is a leading investment bank based in London. In this r ...

Backend Software Engineer C# Python Market Data

Backend Software Engineer / Developer (C# Python Data Lakes) London / WFH to £150k+Are you a data savvy Backend Software Engineer?You could be joining a Hedge Fund with complex work and substantial bonus earning potential.As a Backend Software Engineer you will join a growing team ...

Backend Software Engineer C# Python Market Data

Backend Software Engineer / Developer (C# Python Data Lakes) London / WFH to £150k+Are you a data savvy Backend Software Engineer?You could be joining a Hedge Fund with complex work and substantial bonus earning potential.As a Backend Software Engineer you will join a growing team ...

Software Developer (SFIA 4) SC / Newcastle CEA

Job Description Software Developer Permanent | Hybrid (willing to travel to Newcastle) | Python | Apache | Data | SC cleared Hybrid work arrangement. Office attendance is up to 60%. Location is flexible: London, Leeds, Newcastle, Sheffield, Blackpool, Manchester and Birmingham. xwzovoh Yo ...

Software Engineer

C++ Developer | EU & Dubai | $200k+ | HFT Crypto Find out more about this role by reading the information below, then apply to be considered.About the role A growing trading technology firm is seeking a Senior C++ Developer to lead design and delivery of high-performanc ...

Business Intelligence Developer

About KBR And The Project KBR is a global technical solutions provider with 28,000 employees worldwide. With operations in 34 countries, we deliver to customers in 80 countries, working collaboratively with a wide customer base to create a better, safer, and more sustainable world. Title ...

Senior C# Developer .Net AWS FinTech

Senior C# Developer / Software Engineer (C# .Net AWS Python) London / WFH to £100k Would you like to join a growing and profitable start-up that is viewed as a leading FinTech disruptor in a senior role that will allow you a great deal of influence and progression? As a ...

Microsoft Fabric BI Developer

Microsoft Fabric BI Developer Contract: Inside IR35 Location: Surrey – 3 to 4 days onsite SystemsAccountants is working with a growing organisation seeking an experienced MS Azure & Microsoft Fabric Developer on a contract basis to lead the development, optimisation, and g ...

Senior Backend Developer

This range is provided by Bright Purple. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Senior Backend Developer - UK Remote - Up to £75,000 Unlock your potential with a role that promises growth, in ...

Software Developer, Senior Software Developer

Would you like to collaborate with a team of experienced developers and grow your skills while working on interesting projects? Full-time Software Developer, Senior Software Developer Full-time, Permanent, On Site Are you looking to work at a co ...

Lead Game Developer – Strategy/RTS (Unreal Engine 5)

Join a dynamic game development studio dedicated to crafting immersive, large-scale strategy experiences for PC and next-generation platforms. This role is pivotal in shaping the technical foundation of a flagship grand strategy title inspired by the Total War series, blending real-time tactical battles wi ...

FinTech Java Lead Developer for Pricing & Risk Hybrid

A leading recruitment firm is seeking a Java Developer - Team Lead in London, offering up to £150k and exceptional bonuses. You'll work in a hybrid setting, contributing to critical pricing and risk platforms within a collaborative, high-performance team. Ideal candidates will have significant experience in fina ...

Lead Java Developer | Low Latency Trading | London City

Lead Java Developer | Low Latency Trading | London City Our client is a specialist engineering consultancy known for solving some of the most demanding performance challenges across financial markets and technology. Their teams design, build, and optimise high-throughput, low-latency systems used ...

🚀 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