Lead Software Developer Python 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 Front End Developer React Scientific Software

Senior Front End Developer / Engineer (React JavaScript) Cirencester to £85kIf you would like to know a bit more about this opportunity, or are considering applying, then please read the following job information.Opportunity to work on complex and interesting systems related to Artic Exploration in a bea ...

Software Developer (SFIA 5) SC / Newcastle CEA

Software Developer - SC clearedTo be considered for an interview, please make sure your application is full in line with the job specs as found below.Permanent | Hybrid (willing to travel to Newcastle) | Python | AI | BPSSWe are looking for Software Developers with strong Python and AI experience to ...

Senior Front End Developer React Scientific Software

Senior Front End Developer / Engineer (React JavaScript) Cirencester to £85k Opportunity to work on complex and interesting systems related to Artic Exploration in a beautiful Cotswolds based office, as part of a small team at a tech start-up, where you can make an impact and progress ...

Senior Front End Developer React Scientific Software

Job Description Senior Front End Developer / Engineer (React JavaScript) Cirencester to £85k Opportunity to work on complex and interesting systems related to Artic Exploration in a beautiful Cotswolds based office, as part of a small team at a tech start-up, where you can make an impact and pro ...

Software Engineer, Developer, Backend Java Identity IAM

Software Engineer, Developer, Backend - Java - Identity - IAM Contract - Until End of December 2026 (Renewable) Rate: £500 per day - Inside IR35 Location:Essex based offices (between Brentwood and Basildon) 4 days a week </str ...

Software Engineer, Developer, Backend Java Identity IAM

Job Description Do you have the following skills, experience and drive to succeed in this role Find out below.Software Engineer, Developer, Backend – Java – Identity - IAM Contract – Until End of December 2026 (Renewable) Rate: £500 per day – Inside IR35 Location:Essex base ...

Senior Front End Developer React Scientific Software

Senior Front End Developer / Engineer (React JavaScript) Cirencester to £85k Opportunity to work on complex and interesting systems related to Artic Exploration in a beautiful Cotswolds based office, as part of a small team at a tech start-up, where you can make an impact and progre ...

Developer Agent Software Engineer Vice President London

DEVELOPER JOURNEY STRATEGY AT GOLDMAN SACHS The Developer Journey Strategy focuses on investing in the developer experience to minimize friction, promote standardization, and leverage artificial intelligence (AI) to enable seamless delivery. By streamlining processes, implementing consistent pra ...

Software Developer Equity Market Making Trading Platform

About Marex Marex Group plc (NASDAQ: MRX) is a diversified global financial services platform providing essential liquidity, market access and infrastructure services to clients across energy, commodities and financial markets. The group provides comprehensive breadth a ...

Senior Front End Developer React Scientific Software

Senior Front End Developer / Engineer (React JavaScript) Cirencester to £85kOpportunity to work on complex and interesting systems related to Artic Exploration in a beautiful Cotswolds based office, as part of a small team at a tech start-up, where you can make an impact and progress your career ...

Developer Agent Software Engineer Vice President London

DEVELOPER JOURNEY STRATEGY AT GOLDMAN SACHS The Developer Journey Strategy focuses on investing in the developer experience to minimize friction, promote standardization, and leverage artificial intelligence (AI) to enable seamless delivery. By streamlining processes, implementing consistent pra ...

Senior Software Developer (Go) US Instant Payments

THE ROLE 📝Join Form3’s US engineering business line and contribute to the development of our US gateway products, each built around a real-time payment scheme such as FedNow or TCH RTP. Reporting to the Lead Engineer and supported by our Staff Engineers, you will play a key role in ...

Software Developer Enterprise Technology [Node JS / Typescript]

About Marex Marex Group plc (NASDAQ: MRX) is a diversified global financial services platform providing essential liquidity, market access and infrastructure services to clients across energy, commodities and financial markets. The group provides comprehensive breadth a ...

Software Developer Enterprise Technology [Node JS / Typescript]

About Marex Marex Group plc (NASDAQ: MRX) is a diversified global financial services platform providing essential liquidity, market access and infrastructure services to clients across energy, commodities and financial markets. The group provides comprehensive breadth a ...

Senior Software Developer (Go) US Instant Payments

THE ROLE 📝Join Form3’s US engineering business line and contribute to the development of our US gateway products, each built around a real-time payment scheme such as FedNow or TCH RTP. Reporting to the Lead Engineer and supported by our Staff Engineers, you will play a key role in ...

System Development Engineer (with PLC programming), WW AMZL Innovation Engineering

Experience with software development at machine level in Industrial Automation. Advanced technical expertise in industrial automation systems (TIA Portal 16+, Codesys 3.5, HMI, VFDs, Servo Drive, Industrial Fieldbuses like Ethernet-IP Profinet EtherCAT, IO-Link) and industrial communication protocol (TCP-IP, OPC ...

Senior Software Engineer, Git Storage Remote UK

A leading developer platform is seeking a Senior Software Engineer to join their Git Systems Engineering team. The ideal candidate will have extensive experience in software engineering and a strong background in various programming languages such as C, C++, Java, and Python. Responsibilities include designing s ...

Technical Lead (Lead Developer Analytics & Reporting) Nuclear

Position: CMR: Technical Lead (Lead Developer- Analytics & Reporting) Location: 2 Days on site / 3 days hybrid Type: Full-time Start Date: Immediate Salary: Competitive We are seeking a Technical Lead (Lead Developer) with strong analytics and rep ...

Lead Mobile Developer: Flutter Migration & Team Lead

A technology company in Belfast is seeking a Lead Mobile Developer to shape their mobile platform's direction. In this role, you'll lead the migration from Xamarin to Flutter and mentor a growing team. The ideal candidate has deep experience in mobile app development for both Android and iOS and a passion for bu ...

Graduate Software Engineer — Intelligent Automation

A technology company in Manchester is seeking a Software Developer to transform and optimize business processes using the latest automation tech. Responsibilities include creating software solutions, supporting client projects, and collaborating with cross-functional teams. The ideal candidate has a Bachelor's d ...

Staff ML DevTools Engineer (Python/C++, PyTorch)

Arm is seeking a Staff Software Engineer located in Cambridge, UK. In this role, you will design and build developer-facing tools, collaborating with teams to enhance usability and performance. The ideal candidate will have proven experience in software development, proficiency in Python and C++, and familiarity ...

Senior Platform Engineer: Automation & Mentoring

A leading online gambling company in Manchester is seeking a Senior Software Developer to design and maintain core infrastructure tools. This role involves leadership and mentoring, focusing on building efficient software delivery systems using Golang, Python, Typescript, and React. Ideal candidates should have ...

Frontend Engineer (Remote) — API‑Driven Platform

A technology company in London is seeking a software developer to enhance their new HX Workbench platform. The ideal candidate will have experience in software development and proficiency in Python, as well as familiarity with cloud infrastructure. Responsibilities include translating designs into web pages, sup ...

Real Time Energy Forecasting Software Engineer

A growing technology company based in Manchester is seeking a skilled software developer to join their team. In this role, you'll solve complex energy problems and improve systems in a fast-paced environment. The ideal candidate has experience in software development, especially with Python and TypeScript. You'l ...

Flight Software Team Lead — Lead Spacecraft MBSE

A cutting-edge aerospace company in Edinburgh is seeking a Flight Team Lead to oversee the development of flight software. The ideal candidate will provide technical leadership and manage a team of engineers, driving innovation and excellence across projects. Key skills include C programming for embedded systems ...

Senior C++ Engineer Large Scale Pricing & Risk Engine

A leading financial services firm in the UK is seeking a skilled developer with expertise in C++ and Python to work on an entire engine for pricing and risk valuation services. The ideal candidate will have 5 to 10 years of experience in systems software development and be able to contribute to both code writing ...

Senior Real Time Software Architect – Motorsport

A leading technology firm in Upper Heyford seeks a Senior Software Developer to drive the development of technology platforms at the intersection of motorsport and data. The role involves defining system architecture, leading software development, and mentoring junior developers. Ideal candidates have over 5 yea ...

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 ...

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 ...

Senior Python Engineer — Real Time Risk Platform Lead

A leading financial services firm in London is seeking a Senior Lead Software Engineer to enhance credit risk management solutions. The role involves providing technical leadership, developing secure code, and advocating for best practices in software development. Ideal candidates will have advanced Python skill ...

Senior Python Lead Engineer – Microservices for Delta One

A global investment bank is seeking a Lead Software Engineer based in Greater London. In this role, you will engineer scalable RESTful micro-services and APIs while guiding a team of developers. The ideal candidate should have extensive Python experience and a solid understanding of microservices architecture, C ...

Lead AI/ML Engineer (Python) – Cloud, MLOps & AWS

A leading global financial services firm is seeking a Lead Software Engineer to join their Applied Artificial Intelligence and Machine Learning team. You will play a pivotal role in transforming operations by integrating innovative AI/ML solutions. The ideal candidate has strong skills in Python and Kubernetes, ...

Data Architect Migration & Tech Lead (Java/Scala/Python)

Migration Approach Data integration approach Experience Being a hands-on data architect (only when needed) with program languages Java, Scala , and Python. Accenture is a global professional services company offering expertise in digital, cloud, and security solutions ...

Senior Data Engineer Lead Python, SQL, AWS, Microservices

A leading financial institution in London seeks a skilled Lead Data Engineer to enhance and deliver top-tier technology products. This role includes leading a team of Data Engineers, conducting Agile ceremonies, and delivering cloud-native microservice applications. The ideal candidate should have strong experti ...

Senior Data Engineer Lead – Python, SQL, Cloud Microservices

A leading global financial services firm in London seeks a Data Engineering Lead to drive Agile practices and deliver scalable, cloud-native solutions. The ideal candidate will have at least 3 years of experience in software engineering, with strong skills in AWS, Python, and SQL. Responsibilities include leadin ...

AI Product Tech Lead: Python, Cloud & Scalable SaaS

A leading technology firm in Greater London is seeking a Product Technical Lead to drive the development of their AI-enabled software product. You will guide technical design, lead development teams, and collaborate closely with business stakeholders to ensure the product meets market needs. This hands-on role c ...

Lead AI/Python Engineer (+ Equity) at LightWork AI

Job Title Lead AI/Python Engineer Company Description LightWork AI - Fast-growing AI startup transforming real estate technology Location London, UK Job Description Join LightWork AI in London to lead the full lifecycle of AI development. You ...

Senior Lead Python Engineer Rates Risk & PnL (Athena)

JPMorganChase is looking for an experienced Senior Athena Python Rates Senior Lead Software Engineer to join our development team in Greater London. This role requires hands-on Python development skills and a strong financial services background to support Rates Risk and PNL business deliveries. Candidates will ...

Senior Principal Engineer Cloud Lead & Mentor (AWS/Python)

A tech company in London seeks a Principal Engineer to integrate hands-on expertise with leadership skills in a collaborative environment. This role involves mentoring team members while utilizing AWS, Terraform, and Python. The successful candidate will demonstrate a passion for engineering best practices and a ...

Senior Python Full Stack Engineer Network Automation Lead

State Street is seeking a highly skilled senior level developer with network infrastructure experience to join their development team in Greater London. You will work on full-stack solutions for automating network technologies and collaborate closely with network engineers. Candidates should have a Bachelor's de ...

Technical Lead: Python & Azure AI for Agentic Systems

ClearRoute is seeking a Technical Lead to oversee delivery for AI and Agentic capabilities on Azure. This role requires strong hands-on experience with Python and Azure services, along with the ability to engage with technical and business stakeholders. As part of a hybrid working model, you will work closely wi ...

Senior Python Engineer: Lead, Mentor & Build Secure Cloud

CGI is looking for an experienced Python Software Engineer to join their team in Leatherhead, United Kingdom. You will work on innovative technical solutions and lead software development teams, ensuring quality through unit and integration testing. The ideal candidate will have at least 7 years of experience wi ...

Senior Python Tech Lead – Real Time Trading & Risk

J.P. MORGAN is seeking a Senior Lead Software Engineer in Greater London to join the Credit Trading - Realtime Risk team. The successful candidate will develop secure, high-quality code, provide technical guidance to teams, and influence product design and technical operations. Applicants should have expertise i ...

Technical Lead Hybrid Python, AWS, SaaS Scale up

Harrington Starr is seeking a Technical Lead in Central London to mentor engineers and drive innovative development in a fast-growing Fintech scale-up. The role includes significant hands-on coding, shaping technical strategy, and leading a team towards high-quality standards. Competitive salary up to £120,000, ...

Senior Python Backend Engineer Lead Tech & Crypto Equity

LinuxRecruit in Greater London is seeking a Software Engineer for back-end development to drive team innovation in telecommunications. You will design and scale backend systems, utilizing your expertise in Python and frameworks suitable for diverse technical challenges. This role offers autonomy over technical d ...

Application Engineering Lead (Java, Python, Angular, Microservic Manchester)

Job Role Application Engineering Lead (Java, Python, Angular, Microservices and Adobe) Location Manchester, UK Work Arrangement The places that you work from day to day will vary according to your role, your needs, and those of the business; it will be a blend ...

Lead Python Engineer Scale New Lending Products (Hybrid)

A financial technology company in Greater London is seeking a Lead Python Engineer to lead a team and develop new lending products. This hands-on role combines technical leadership with team management, focusing on building production-grade Python services. The ideal candidate will have experience in Python prod ...

Lead Backend Engineer, Real Time Trading (C++/Python)

A leading global trading venue is seeking a seasoned professional for a leadership position focused on low-latency engineering and stakeholder collaboration. Located in London with a hybrid work model, the role requires strong C++ and Python skills, along with a proven track record in modernizing legacy systems. ...

Senior AI/ML Cloud Engineer — Python & AWS Lead

Job DescriptionJ.P. MorganChase is seeking a Senior Software Engineer with expertise in AWS and Python, and a passion for Machine Learning, to help engineer and deploy innovative ML solutions into production. Job DescriptionJ.P. MorganChase is seeking a Senior ...

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