Lead Python Software Engineer Python And React 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

OSS Python Engineer for Tech4Good Platform (Hybrid Bristol)

A tech-focused company based in Bristol is looking for an OSS Developer (Python) to join their team. The role involves developing a platform for a Tech4Good project, leading community engagement, and collaborating with various stakeholders. Ideal candidates will have extensive open-source development experience, ...

3 Days Onsite DevOps Engineer Jenkins, Kubernetes, Python

A leading technology recruitment firm is searching for an experienced DevOps Engineer to join their team. This role requires 5+ years of DevOps experience and proficiency in tools like Jenkins, Python, Kubernetes, and cloud platforms like AWS, Azure, or GCP. You will work onsite 3 days a week in their Sheffield ...

AI Engineer, Agentic AI, Python, Pycharm, LLM, Agentic

We are seeking a highly skilled AI Engineer with deep expertise in Agentic AI, Large Language Models, NLP, GenAI pipelines, cloud ML platforms, and vector-based retrieval systems . This is an opportunity to join an advanced AI team building next‑generation intelligent systems, multi‑a ...

SW Engineer (Distributed Computing, AWS, Python, C#/C++)

SW Engineer (Distributed Computing, AWS, Python, C#/C++) If you would like to know a bit more about this opportunity, or are considering applying, then please read the following job information. Oxford - 3-4 days per week in office. £45000 - £68000 + Package. - Must have a Com ...

Senior Python Engineer – AI Unicorn – London Scale Up

Job Description The Role As a senior backend python engineer for this Computer Vision Scale up you will build highly scaleable data intensive cloud based services and infrastructures that power AI based systems. You will be part of a multidisciplinary team where each memb ...

Remote AI Backend Engineer (Python/FastAPI, Claude SME)

A cutting-edge AI HealthTech company is seeking an AI Software Engineer with strong Python skills and experience in backend systems. This fully remote role offers total ownership of greenfield projects and the chance to shape core architecture. You'll develop high-performance services using Python and FastAPI, c ...

SW Engineer (Distributed Computing, AWS, Python, C#/C++)

SW Engineer (Distributed Computing, AWS, Python, C#/C++)Are you the right candidate for this opportunity Make sure to read the full description below.Oxford - 3-4 days per week in office.£45000 - £68000 + Package.- Must have a Computing/STEM Degree (2:1 or higher).- Can work in their Oxfor ...

SW Engineer (Distributed Computing, AWS, Python, C#/C++)

SW Engineer (Distributed Computing, AWS, Python, C#/C++) OxfordScroll down the page to see all associated job requirements, and any responsibilities successful candidates can expect.- 3-4 days per week in office.£45000- £68000 Package.- Must have a Computing/STEM Degree (2:1 or higher).- ...

Backend Engineer (Python, FastAPI/Flask/Django/GPU/CUDA)

Job Description Backend Engineer (Python, FastAPI/Flask/DjangoGPU/CUDA) Bristol (Hybrid) £55,000Check out the role overview below If you are confident you have got the right skills and experience, apply today.- £70,000 + Benefits PermanentThe OpportunityAn innovative analytics organisation oper ...

Senior Software Engineer

Join an exciting journey with a rapidly expanding AI-driven cybersecurity innovator. I am looking for a Senior Software Engineer to join my client’s dynamic team. With a salary of up to £105,000 plus enticing stock options and hybrid working from London. My client’s cutting-edge SAAS solution is trus ...

Full Stack Engineer for AI Safety Tools

An innovative tech firm in London is seeking Full-stack Software Engineers to develop cutting-edge tools for AI safety research. You will lead projects to analyze model evaluation results and collaborate closely with research teams. Candidates should have solid experience in Python and React, alongside a passion ...

Software Engineer

Full Time Mid-level Software Engineer in AI at Gemba Advantage in Hybrid - UK. Apply directly through the link below. At a glance: Work mode: Remote Employment: Full Time Location: Hybrid - UK Salary: 40k - 85k GBP Experience: Mid-level ...

Founding AI Engineer

TalentCo Greater London, England, United Kingdom TalentCo are delighted to be working with one of Silicon Valley's most exciting Agentic AI startups (YC25), looking to hire a world-class Founding AI Engineer into their London hub, as part of their international expansion from San Francisco. ...

Senior Tech Lead: Greenfield Frontend & API Platform

A fast-growing technology company in the United Kingdom seeks a Senior/Tech Lead Full-Stack Engineer to define architectural direction and build impactful products. You'll lead frontend and backend development while mentoring a team. The ideal candidate has 4–5+ years of full-stack experience, strong skills in R ...

Full Stack Engineer

Full-Stack Engineer (AI Focused) – London (On-site) We’re working with an early-stage start-up, who are building an AI-powered workspace for finance and strategy professionals, to hire multiple Full-Stack Engineers. This is a unique opportunity to join a YC-founded business backed by top- ...

Backend Software Engineer

Backend Software Engineer - Core Business Systems (CBS) STS Digital ( is a leading regulated digital asset trading firm specialising in OTC trading and market making. While trading is headquartered in Bermuda, technology development is provided by a global engineering team. ...

Senior Platform Engineer

Platform Engineer (Python) The mandate: Our client—a global, multi-asset investment manager—has rolled out cutting-edge large-language-model coding assistants across its Risk & Portfolio-Tech organisation. They now need a senior engineer who can turn “moon-shot” ideas into production tools , guiding the business ...

Technical Lead

Technical Lead | Product Technical Lead | Tech Lead | Product Manager | AI/ Data Science | Python | FastAPI | SaaS | Hybrid 2 days a week | Central London | £85,000 + 15% bonus I am currently working with a brilliant consultancy with deep expertise in their field of Data an ...

Co Founder Wanted For Music AI Start Up

Label-In-A-BoxLearn morePrototype·1Team-Members·AI & Machine Learning---### Overview* (Co-)Founder* Tech* Developer (Frontend) Developer (Backend) Software Engineer* Full-time* London* Remote only* No salary* > 30%* Mid-level (3-6 years)* Not relevant* English* Flexible hours### Description Co-Founder / Techni ...

Software Engineer Industrial IoT

Join to apply for the Software Engineer - Industrial IoT role at Canonical 1 month ago Be among the first 25 applicants Join to apply for the Software Engineer - Industrial IoT role at Canonical This is an exciting op ...

Lead React Developer

Senior React Developer Pearson Carter are currently working with a growing company in the MedTech domain who are looking for a very strong React developer to lead medical/healthcare projects. They offer a base salary of £60,000 – £75,000. Get in touch if you are looking for your n ...

Software Engineer (Applied AI)

TalentCo are thrilled to be working with a seed stage AI-native startup looking to hire 2 exceptional Software Engineers into their London HQ, to play pivotal roles in building their next generation AI platform. They are a team of highly driven individuals, looking to add more hyper-ambitiou ...

Software Engineer (Applied AI)

TalentCo are thrilled to be working with a seed stage AI-native startup looking to hire 2 exceptional Software Engineers into their London HQ, to play pivotal roles in building their next generation AI platform. Any additional information you require for this job can be found in the below text Make ...

Senior/Lead Python AI Developer Leading Technology AI Brand

Senior Engineering Developer - Hands on Start-up Scale up - growth Leading Technology AI Brand SaaS - Platform based Technology Services London/City £70-100k salary + equity package Our client a ...

Transaction Reporting Change Lead (SQL/C#/Python) – UK/EU

A leading global financial institution is looking for an experienced Transaction Reporting Change & Release Lead in London. This hybrid role requires involvement in the end-to-end lifecycle of UK/EU transaction reporting changes. Responsibilities include managing changes, acting as a liaison across teams, and en ...

Azure Cosmos DB Lead: Python/PySpark Dev | Hybrid London

A leading consulting firm is seeking an Azure Cosmos DB Admin and Developer to architect and develop scalable applications in a hybrid work environment. The role demands expertise in Azure Cosmos DB, C#/.NET, and leveraging Azure DevOps for CI/CD. Responsibilities include optimizing database performance, impleme ...

Backend Software Engineer

Backend Software Engineer - Core Business Systems (CBS) STS Digital ( ) is a leading regulated digital asset trading firm specialising in OTC trading and market making. While trading is headquartered in Bermuda, technology development is provided by a global engineering team. <p ...

Backend Software Engineer

Backend Software Engineer - Core Business Systems (CBS) STS Digital ( is a leading regulated digital asset trading firm specialising in OTC trading and market making. While trading is headquartered in Bermuda, technology development is provided by a global engineering team. <p ...

Frontend Developer

Base pay range Product Engineer - React & TypeScript, some Python - AI video editing - £90-110k We're helping a AI company in the entertainment space hire a front end leaning fullstack engineer. You'll be working with a talented cross-functional team to build polished, hi ...

Senior Threat Hunter with Python and Jupyter | UK based

Job Description Senior Threat Hunter Location: UK (Remote) Engagement Type: Contract Start Date: 23 Feb 2026 End Date: 31 Dec 2026 Role Overview We are supporting a large enterprise security programme seeking a Senior Threat Hunter to join a matur ...

Technical Lead

Technical Lead | Product Technical Lead | Tech Lead | Product Manager | AI/ Data Science | Python | FastAPI | SaaS | Hybrid 2 days a week | Central London | £85,000 + 15% bonus I am currently working with a brilliant consultancy with deep expertise in their field of Data and Cyber Se ...

Full Stack Engineer

Senior Full Stack Engineer (Python / React / TypeScript) Hit Apply below to send your application for consideration Ensure that your CV is up to date, and that you have read the job specs first.Remote – Europe (CET preferred) We are partnering with a f ...

Full Stack Engineer

Senior Full Stack Engineer (Python / React / TypeScript) Remote – Europe (CET preferred) We are partnering with a fast-growing European AI startup building a next-generation platform that is transforming how global fashion brands create visual content. </p ...

Senior Software Engineer

Overview Glyphic is an AI-powered conversation intelligence platform that transforms how sales teams work. We're on a mission to free sales professionals from tedious tasks and unlock the hidden insights in every conversation, empowering teams to build stronger relationships and close more deals. ...

Hands On Tech Lead for AI Driven Fintech Platform

A venture-backed fintech startup is seeking a hands-on Technical Lead to shape the architecture of their AI-driven investment intelligence platform. In this role, you will work closely with the CTO and product leadership, contributing to both the technical direction and product evolution while ensuring systems a ...

Software Engineer (Applied AI)

TalentCo are thrilled to be working with a seed stage AI-native startup looking to hire 2 exceptional Software Engineers into their London HQ, to play pivotal roles in building their next generation AI platform. They are a team of highly driven individuals, looking to add more hyper-ambitiou ...

Software Engineer (Applied AI)

TalentCo are thrilled to be working with a seed stage AI-native startup looking to hire 2 exceptional Software Engineers into their London HQ, to play pivotal roles in building their next generation AI platform. They are a team of highly driven individuals, looking to add more hyper-ambitiou ...

Software Engineer (Applied AI)

TalentCo are thrilled to be working with a seed stage AI-native startup looking to hire 2 exceptional Software Engineers into their London HQ, to play pivotal roles in building their next generation AI platform. They are a team of highly driven individuals, looking to add more hyper-ambitiou ...

Software Engineer (Applied AI)

TalentCo are thrilled to be working with a seed stage AI-native startup looking to hire 2 exceptional Software Engineers into their London HQ, to play pivotal roles in building their next generation AI platform. They are a team of highly driven individuals, looking to add more hyper-ambitiou ...

Software Engineer (Applied AI)

TalentCo are thrilled to be working with a seed stage AI-native startup looking to hire 2 exceptional Software Engineers into their London HQ, to play pivotal roles in building their next generation AI platform. They are a team of highly driven individuals, looking to add more hyper-ambitiou ...

Software Engineer (Applied AI)

TalentCo are thrilled to be working with a seed stage AI-native startup looking to hire 2 exceptional Software Engineers into their London HQ, to play pivotal roles in building their next generation AI platform. They are a team of highly driven individuals, looking to add more hyper-ambitiou ...

Software Engineer (Applied AI)

TalentCo are thrilled to be working with a seed stage AI-native startup looking to hire 2 exceptional Software Engineers into their London HQ, to play pivotal roles in building their next generation AI platform. They are a team of highly driven individuals, looking to add more hyper-ambitiou ...

Software Engineer (Applied AI)

TalentCo are thrilled to be working with a seed stage AI-native startup looking to hire 2 exceptional Software Engineers into their London HQ, to play pivotal roles in building their next generation AI platform. They are a team of highly driven individuals, looking to add more hyper-ambitiou ...

Software Engineer (Applied AI)

TalentCo are thrilled to be working with a seed stage AI-native startup looking to hire 2 exceptional Software Engineers into their London HQ, to play pivotal roles in building their next generation AI platform. They are a team of highly driven individuals, looking to add more hyper-ambitiou ...

🚀 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 Software Engineer Python And React Jobs in United Kingdom Job Search Guide, Trends and Insights