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

Systems Developer: Submission Workflows & CIF Validation

The Society of Research Software Engineering is seeking a Systems Developer to support platforms for journals and data validation services in Chester. The role involves maintaining the checkCIF validation service, improving submission systems, and working with structured scientific data. Ideal candidates will ha ...

Python Backend Engineer Enterprise REST & CI/CD London

A recruitment agency is seeking a Backend Developer in London. This role offers a salary up to £65,000 p.a. with three office days per week. Responsibilities include developing in-house business systems, collaborating with teams, and following Agile methodologies. Candidates should have proven experience in ente ...

Hybrid Platform Engineer: Internal Tools & Automation

A leading online gaming company is seeking a Software Developer to join their Platform Engineering department. You will work on high-quality scalable solutions, focusing on internal projects using technologies such as Golang, Python, TypeScript, and React. Responsibilities include developing robust applications, ...

Senior Python Engineer: Real Time Data at Scale

Partnerize is seeking a skilled software developer with 5-7 years of experience in Python to develop near real-time data processing systems. The role involves creating scalable and resilient systems while collaborating with architects and maintaining high-quality code. Preferred qualifications include experience ...

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 ...

AI Driven Cloud Software Intern R&D

A startup focused on sustainable technology is seeking a Software Developer Intern to join their R&D team in London. This role involves designing and implementing cloud-native engineering solutions, developing optimization algorithms, and contributing to various projects aimed at commercialization. Ideal candida ...

Senior Python Engineer — Real Time Data & Distributed Systems (Hybrid)

A leading FinTech firm in London is seeking a Senior Python Developer to work on high-performance solutions involving multi-petabyte data in a hybrid environment. The role requires extensive experience in distributed systems and the opportunity to work with an uncapped tech budget and a collaborative team. Ideal ...

Machine Learning Engineer

This range is provided by TechShack. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from TechShack Recruitment Consultant at TechShack London. Machine Learning Engineer | ...

Backend Engineer Python

Backend Engineer - PythonLondon - HybridSalary up to 80k We are seeking a Backend Engineer to design and scale backend systems, helping to build automated solutions for regulatory reporting and risk platforms. You will play a key role in developing data pipelines, improving system ...

Senior Full Stack Developer 2 days a week in London £60 80k

Senior Full Stack Developer - 2 days a week in London - £60-80k I am looking for a Full-Stack Developer to join a fast-growing data and analytics company working at the intersection of data engineering, software development, and AI. This will be to design and build scalabl ...

Chief Architect for Developer Tools 802

We are seeking a Chief Architect for Developer Tools to join our team at Quantinuum. As the Chief Architect for the Developer Tools, you will act as the technical authority for the creation of Quantinuum’s developer tooling, including languages and upper‑stack compilers, logical encodings, emulation and de ...

Remote Software Application Developer: Full Stack & Support

A leading SaaS company is seeking a Software Application Developer for a remote role. You will collaborate with teams to develop and implement business process automation solutions, providing customer support while managing database structures and application issues. Ideal candidates should have a degree in comp ...

Android Software Developer | $200/hr Remote | Mercor

Android Software Developer | $200/hr Remote | Mercor Join to apply for the Android Software Developer | $200/hr Remote | Mercor role at Crossing Hurdles. This range is provided by Crossing Hurdles. Your actual pay will be based on your skills and experience — talk with your recruiter to l ...

Software Solutions Developer — Remote, Flexible & AI Driven

Four Squared Recruitment Ltd is seeking a Software Solutions Developer to maintain, enhance, and expand existing systems while developing new ones. The role will involve liaising with teams across the firm to discuss specifications, handling bespoke requirements, and implementing innovative solutions. With natio ...

On Site Software Developer C#, ASP.NET & SQL

Randox Laboratories is seeking an IT Software Developer to join their Software Development Team in Crumlin, UK. The role involves developing web-based applications and managing the full development life-cycle, utilizing technologies such as C#, ASP.NET, and SQL Server. Candidates should hold a Bachelor's degree ...

Full Stack Software Developer — Hybrid, Public Sector

The Ministry of Justice is hiring 2 Software Developers for HM Courts and Tribunals Service, based in London or nationally. The role offers a permanent contract where candidates will work with a diverse team to enhance public services through technology. Applicants should have experience with Java, modern JavaSc ...

Senior Software Developer – TS/Node.js, React, Kubernetes

Overview Digital, Information & Technology (DIT) Senior Software Developer - MoD - SEO (IT) — United Kingdom Responsibilities Designs, codes, tests, corrects, and documents user interfaces using the right standards and tools. Work with Typescript, Node.JS, Kubernetes ...

Remote Senior Software Developer for Finance & Automation

An innovative energy technology company is seeking a Senior Software Developer for a remote contract role in South England. The 6-month position focuses on business analysis and shaping solutions within finance. Ideal candidates will have extensive software development experience, capability in engaging finance ...

Remote Software Developer Support & Dev (Europe/UK)

Case IQ is seeking a Software Application Developer to join its Support Team. This remote-first role involves developing and implementing business process automation solutions. Responsibilities include modifying data in SQL databases, debugging issues, and providing customer support. Required qualifications incl ...

Staff Software Engineer – Core Developer Experience (DevEx)

Staff Software Engineer – Core Developer Experience (DevEx) Remote - United Kingdom About AlphaSense: The world’s most sophisticated companies rely on AlphaSense to remove uncertainty from decision-making. With market intelligence and search built on proven AI, AlphaSense delive ...

Remote Senior Software Developer, Finance (6mo Contract)

A leading consulting firm is seeking a Senior Software Developer for a 6-month remote contract. This role requires extensive experience in enterprise software development, focusing on business analysis within finance. You will engage with stakeholders to elicit requirements, design technical solutions, and provi ...

Senior Software Developer Remote | Flexible Hours + Bonus

A leading recruitment firm is seeking a Senior Software Developer in the UK to join a dynamic team. The successful candidate will utilize their skills to produce scalable software solutions, contributing across the entire software development cycle. Responsibilities include collaborating with teams, designing ar ...

Contract Software Developer: Next.js, Java & Cloud Infra

A dynamic technology leader in the UK seeks a motivated Software Developer on a contract basis. The role involves developing front-end applications using TypeScript and Next.js, maintaining back-end services with Java and Spring Boot, and implementing infrastructure as code with Terraform. Ideal candidates shoul ...

Senior Software Developer with a Backend Focus

Senior Software Developer with a Backend Focus Prighter is a fast‑growing LegalTech company building productised services and SaaS solutionstrar compliance with data protection, AI, and digital governance regulations. The mission is to enable companies worldwide to comply with regulatory requirem ...

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 and depth of coverage across four c ...

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 and depth of coverage across four c ...

Java/Kotlin Software Engineer – AVP (Developer Enablement)

We’re looking for an enthusiastic & talented server side engineer, to join one our high-impact teams inside Citi’s CTO organisation. You’ll sit within Developer Enablement, a group focused on innovation, developer platforms and internal tools used across the bank, where we experiment and ship fast, like a startu ...

Python Data Engineer

Apexon is a digital-first technology services firm specializing in accelerating business transformation and delivering human-centric digital experiences. We have been meeting customers wherever they are in the digital lifecycle and helping them outperform their competition through speed and innovation. </p ...

Senior Python Engineer

This range is provided by Corecom Consulting. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Senior Python Engineer (Fully Remote, UK) Contract: Permanent Location: Fully remote (UK) with optional in-person ses ...

Senior Python Engineer

Join to apply for the Senior Python Engineer role at Cleo Be among the first 25 applicants About Cleo At Cleo, we’re not just building another fintech app. We’re embarking on a mission to fundamentally change humanity’s relationship with money. Imagine a world wher ...

Senior Python Engineer · ·

Senior Python Engineer Europe – Remote Typical hours are Monday-Friday working UTC/UTC+1 with potential on-call support required We are looking for a Senior Python Engineer to join our Data Ingest team, responsible for scraping the data that fuels our product ...

Contract Python Engineer

Overview This range is provided by Spinks. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Spinks Role details Title: Contract Python Engineer <l ...

Senior Python Engineer

Job Overview Job Title: Senior Python Engineer Location: UK (remote / hybrid / office based) with Occasional Travel Division: Inizio Medical – Data & Python Development Team Inizio Medical is part of Inizio, the world’s leading healthcare and communications g ...

AI Engineer (Python)

We’re an AI-driven technology company building solutions that help organisations resolve complex issues—before they become costly or high-risk. Backed by leading investors and already generating revenue, the business is scaling quickly across multiple sectors—making this an opportunity to join at a ...

Python Engineer (Remote)

Veeva Systems is a mission-driven organization and pioneer in industry cloud, helping life sciences companies bring therapies to patients faster. As one of the fastest-growing SaaS companies in history, we surpassed $2B in revenue in our last fiscal year with extensive growth potential ahead. At th ...

AI Engineer (Python)

AI Engineer (Remote, UK-based) All potential applicants are encouraged to scroll through and read the complete job description before applying.About the Company We’re an AI-driven technology company building solutions that help organisations res ...

Software Developer Apprentice Level 4 (Hybrid, Mentored)

A UK government agency is offering a Software Developer/Engineer Apprenticeship to work on modern digital platforms and support key government services. This role includes developing software applications under supervision and participating in code reviews. Candidates should possess a Level 3 Software Developmen ...

Software Developer in Luton Rise Technical Recruitment

We are Hiring: Software Engineer We are currently seeking an experienced Software Engineer with a background as a Software Developer. The ideal candidate will have strong skills in JavaScript and LiveView. A degree in Computer Science or a related field is preferred. The position is based in Luton, ...

Software Integration Engineer / Systems Developer, Hybrid, COR7510

Software Integration Engineer / Systems Developer, Hybrid, COR7510 Are you a versatile software developer who enjoys more than just coding? Do you want a role where you can make a tangible impact across integration, support, and innovation projects? Our forward-thinking team is looking for someon ...

Software Developer (Contract) – Higher Education Projects (UK)

A recruitment agency is looking for Software Developers to support universities and colleges across the UK as they modernise their digital environments. The role involves contributing to the design and maintenance of software solutions that support educational institutions. Applicants should have a background in ...

Mid to Senior Front End Developer

Mid to Senior Front-End DeveloperA fantastic opportunity for a Mid to Senior Front-End Developer to join a highly innovative, research-driven technology start-up working on cutting-edge systems. This organisation is building advanced platforms at th ...

Mid to Senior Front End Developer

Mid to Senior Front-End DeveloperA fantastic opportunity for a Mid to Senior Front-End Developer to join a highly innovative, research-driven technology start-up working on cutting-edge systems. This organisation is building advanced platforms at th ...

Senior Python Engineer

Senior Python Engineer Location: London (Hybrid) Join a fast-growing innovator transforming property management through AI-driven solutions. Shape the future of automation and make a real impact in a high-growth environment. The Opportunity This is a fast-growing ...

Backend Engineer Python

Senior Consultant at Primis Talent – Consulting, Strategy and Transformation across the UK We're working with a rapidly growing Series A startup backed by top-tier VCs who are seeking highly skilled Software Engineer with deep expertise in backend development. This company is revolutionis ...

Senior Backend Engineer — Product led RegTech, Global

A growing LegalTech company in the United Kingdom seeks a Senior Software Developer with a backend focus. This role is essential in transforming the company into a product-focused business. With a competitive salary starting from €60,000, higher based on experience, the ideal candidate will have over five years ...

Senior Platform Engineer — Cloud, Kubernetes & CI/CD

A global gaming and betting company is looking for a Staff Platform Engineer to enhance its cloud infrastructure and developer tooling. The position requires 8+ years in platform or software engineering, focusing on reliability, security, and cost efficiency. The ideal candidate should have strong skills in Pyth ...

AI Engineer (Python) Build Scalable AI in Cloud

Gravitas Recruitment Group (Global) Ltd is seeking a skilled developer to join their team in the UK to design and build AI-powered systems. You will collaborate with senior leadership in a cross-functional environment, focusing on delivering high-quality software with a strong engineering culture. Key qualificat ...

Engineering Lead SVP

Overview The Department Developer Enablement is a function of the CTO organisation. Our mission is to make it easy and enjoyable for software engineering teams to go from a business idea to delivering an innovative product solution. The main goals are to improve and upgrade our tools, streamline o ...

Global Market Data Engineer (C++/Python)

A global trading firm in Greater London is seeking a Market Data Developer to build and support a C++ technology stack for trading across various markets. In this role, you'll work with software engineers on full-stack development and collaborate closely with traders and quantitative researchers. Required qualif ...

Senior NLP & Text Analytics Engineer

A technology leader in data and AI is seeking a Linguistic Developer for a hybrid role in Glasgow. The successful candidate will develop high-quality text analytics software and AI solutions while collaborating within a top-notch team. Candidates should have a strong background in Natural Language Processing, pr ...

🚀 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