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

Wireless Communications Engineer Spacetime UK

Wireless Communications Engineer - Spacetime UK Aalyria is a leading technology company that supplies laser communications technology and temporospatial software-defined networking platforms to the aerospace industry. With technology acquired from Google, Aalyria is at the forefront of innovation ...

Wireless Communications Engineer Spacetime UK

Wireless Communications Engineer - Spacetime UK Join to apply for the Wireless Communications Engineer - Spacetime UK role at Aalyria . About Aalyria Aalyria is a leading technology company that supplies laser communications technology and temporospatial software‑ ...

Developer Relations Engineer

Join to apply for the Developer Relations Engineer role at Arbitrum 1 year ago Be among the first 25 applicants Join to apply for the Developer Relations Engineer role at Arbitrum About Arbitrum Foundation ...

Instrumentation Control Engineer

If you're an Instrumentation Control Engineer or Software Test Engineer, based in the Cambridge area, this could be the ideal new role for you! This role offers the opportunity to work within a highly skilled engineering environment supporting the testing and validation of next-generation module and system techn ...

Software Engineer Yocto/Linux

We are seeking an experienced Embedded Linux/Software Engineer to join our Platform team (folks looking after the spacecraft). The successful candidate will play a crucial role in developing software for our satellite systems, contributing to the expansion and enhancement of our space-based data collection ...

Software Engineer Yocto/Linux

We are seeking an experienced Embedded Linux/Software Engineer to join our Platform team (folks looking after the spacecraft). The successful candidate will play a crucial role in developing software for our satellite systems, contributing to the expansion and enhancement of our space-based data collection ca ...

Senior Solutions Engineer

Who we are About Statsig Statsig is on a mission to fundamentally change how software is built, tested, and shipped. Thousands of companies use Statsig to deploy features safely, run experiments that drive understanding of their customers and business, and analyze user trends to inform ...

Application Software Engineer

An innovative wireless technology company is seeking an Application Software Engineer to join its R&D team in Cambridge. The business is currently developing its next generation of hardware products, designed to deliver high-speed internet connectivity to rural and semi-urban locations worldwide. T ...

Junior Application Software Engineer

An innovative wireless technology company is seeking an Application Software Engineer to join its R&D team in Cambridge. The business is currently developing its next generation of hardware products, designed to deliver high-speed internet connectivity to rural and semi-urban locations worldwide. T ...

AI Driven Platform Engineering Lead (AWS DevSecOps)

A leading global market infrastructure provider is seeking an AI-Augmented Engineering Lead to integrate AI-driven solutions into engineering practices. The role will focus on enhancing the AWS-based DevSecOps platform and embedding AI capabilities across tooling and pipelines. Candidates should have expertise i ...

Technical Lead — Platform & Engineering Growth (Equity)

An innovative insurance company in Greater London seeks a Technical Lead to collaborate with engineering teams and manage projects to enhance product offerings. The role requires at least 3 years of software engineering experience and proficiency in leading teams. Candidates should be fluent in Javascript and Py ...

Ceph & Distributed Storage Engineering Lead

A leading open source technology provider in Greater London is seeking an Engineering Manager to lead a globally distributed team focused on Ceph and distributed storage solutions. The ideal candidate will have a strong background in software engineering, preferably with Python and C++, and experience in coachin ...

Senior Data Scientist

For us, Data Science is a broad discipline. It’s not just applying machine learning, but also building bespoke software, developing interactive tools, and designing robust data pipelines. We use the right approach for the problem at hand from cutting‑edge methods to practical, robust solutions to ...

Chief Technology Officer

Overview Lead the Future of Defence Simulation Technology When RAF sensor operators scan hostile territories, when submarine hunters track underwater threats, when military intelligence teams decode electronic warfare signals – their success depends on world-class training. We’re ...

Engineering Manager, MAAS — Remote, Global Open Source Leader

A leading open source technology firm is seeking an Engineering Manager to lead the MAAS team. This remote role requires expertise in software development with Python or Golang, and strong experience in Linux system administration. The successful candidate will coach and mentor a distributed team, setting expect ...

Engineering Manager, Real‑Time Data & Backend Systems

A tech company for urban mobility in London is seeking an experienced Engineering Manager to lead a Backend team responsible for core data infrastructure. This role includes mentoring engineers, contributing to scalable systems, and ensuring data reliability. Candidates should have 8+ years in software engineeri ...

Senior Software Engineer Distributed Workflow Orchestration

A leading financial technology company in Greater London is seeking experienced software engineers to join their Workflow Orchestration group. Candidates will develop internal and client-facing APIs, address complexities of distributed systems, and contribute to a unified platform. Ideal candidates will have pro ...

Senior Cloud Engineer

Job Title: Senior Cloud Engineer (contract) Location: London Hybrid. Travel to the London office on 3 days a week Duration: 11 months Contract Start Date: ASAP *note client onboarding takes 6 weeks from offer ...

Back End Engineer London Up to £115,000 Starting Base + Exceptional Bonuses/Benefits

Back-End Engineer - London - Up to £115,000 Starting Base + Exceptional Bonuses/Benefits Join a high‑calibre engineering team building next‑generation, AI‑driven software. You’ll help turn AI‑generated code into robust, usable applications that connect seamlessly via APIs and make a real impact i ...

Staff Software Engineer, Europe — Fintech Infrastructure

A global financial technology company in Greater London is seeking an experienced technical lead for their engineering team in Europe. You'll set technical direction across a broad product surface area, own high-leverage projects, and collaborate with US platform teams. The ideal candidate will have over 8 years ...

Founding Engineer (£85k + Equity) at Letty

This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers. She will pick the best candidates from Jack's network. The next step is speak to Jack. Founding Engineer Salary: £85k + Equity Company Description: VC-back ...

Lead AI Engineer — LLM Solutions (Contract, London)

A technology consulting firm in the United Kingdom is seeking two experienced Lead AI Engineers for a hands-on role focused on delivering scalable AI applications. Responsibilities include building functionality in Python, designing LLM-powered applications, and developing AI agents. Ideal candidates should have ...

Senior Software Engineer

**Location:** GB Remote United Kingdom**Employment Type:** FullTime**Department** Engineering**Compensation:** £84.5K – £99.3K • Offers Equity_At Confluent, we are committed to providing competitive pay and benefits that are in line with industry standards. We analyze and carefull ...

Lead Network & Infrastructure Engineer SRE

A leading global financial services firm is seeking a Lead Infrastructure Engineer located in Greater London, England. This role involves driving modernization and solving complex challenges in our infrastructure engineering discipline. Candidates should have advanced networking proficiency, expertise in Python, ...

AI Engineer London

Link to Privacy Policy Link to Cookie Policy****Company Description****Checkout.com is where the world checks out. Our global network powers billions of transactions every year, making money move without making a fuss. We spent years perfecting a service most people will never notice. Because when digital paym ...

Lead Fullstack Engineer (Java/JS) for Cloud Native APIs

A leading bank in the UK is looking for a talented Lead Fullstack Software Engineer to join their hybrid work environment. This role will require you to lead engineering teams to design, build, and deploy scalable applications. The ideal candidate will possess strong experience in Java, with familiarity in front ...

Senior Embedded Software Engineer

Senior Embedded Software EngineerPlease double check you have the right level of experience and qualifications by reading the full overview of this opportunity below.Competitive Salary | Newtown, Wales | HybridA leading industrial automation company is seeking a Senior Embedded Software Engineer to d ...

ML Researcher for High Frequency Crypto Alpha Signals

A leading algorithmic trading company in the City of London seeks an experienced Machine Learning Engineer to develop models for alpha generation from high-frequency data. The ideal candidate will have a strong background in applied deep learning and Python programming, with opportunities to lead projects and en ...

Senior QA Engineer — Platform Automation & Data Quality

A technology firm is seeking a Senior QA Engineer in London to lead quality initiatives across their platform. This includes designing automated testing strategies, building testing infrastructures, and ensuring data quality across complex systems. The role requires strong programming skills in Python and experi ...

Lead GenAI Engineer — Hybrid AI Systems Architect

A leading consulting firm in Glasgow is seeking a Lead AI Engineer (Senior/Principal Consultant) to join its Technology Delivery Team. This role involves building and deploying advanced AI systems across the financial services. The ideal candidate has experience in deploying advanced AI/ML models, strong Python ...

Software Engineer II Blockchain/ Digital Assets

As a Software Engineer II, you will join our London-based engineering team, contributing to the design, development, and delivery of Java, Python and TypeScript-based blockchain applications. Working alongside experienced engineers with decades of Markets expertise, you'll build production-grade bl ...

Software Engineer II Blockchain/ Digital Assets

As a Software Engineer II, you will join our London-based engineering team, contributing to the design, development, and delivery of Java, Python and TypeScript-based blockchain applications. Working alongside experienced engineers with decades of Markets expertise, you'll build production-grade bl ...

Software Engineer II Blockchain/ Digital Assets

As a Software Engineer II, you will join our London-based engineering team, contributing to the design, development, and delivery of Java, Python and TypeScript-based blockchain applications. Working alongside experienced engineers with decades of Markets expertise, you'll build production-grade bl ...

Software Engineer (Applied AI)

About Euphoric: Euphoric builds AI-first employee benefits administration software for the world’s largest and most prestigious employers. Born out of Peppy Health — a fast-growing, category-defining Series B startup — we spun out in May 2025 to tackle a far bigger opportunity. <p ...

Software Engineer II Blockchain/ Digital Assets

As a Software Engineer II, you will join our London-based engineering team, contributing to the design, development, and delivery of Java, Python and TypeScript-based blockchain applications. Working alongside experienced engineers with decades of Markets expertise, you'll build production-grade blockchain ...

Software Engineering Team Lead

Be among the first 25 applicants This range is provided by Harrington Starr. 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 Harrington Starr Associate Vice President @ Har ...

Engineering Team Lead: Mentoring & Hands On Tech Leadership

A leading SaaS organization in the United Kingdom is seeking an Engineering Team Lead to enhance their software engineering team. This role requires a balance of hands-on coding and leadership, focusing heavily on mentoring and developing engineers. Ideal candidates will have a proven track record as Team Leader ...

Full Stack Engineer

Full Stack Software Engineer – Mission-Drive FinTech | 4.9 Trustpilot Rating | £5M ARR London - 4 days in office Up to £70,000 per annum plus stock options Node | React Native | AWS Full Stack Software Engineer - A fast-growing London- ...

Senior Software & Electronics Engineer

Title: Senior Software & Electronics EngineerDate: 13 Feb 2026Location: United Kingdom, Whiteley, Hampshire, GB About Us Domo Broadcast Solutions (DBS) is the leading manufacturer of best-in-class broadcast solutions that enable some of the most-celebrated and demanding events a ...

Machine Learning Engineer

Junior Machine Learning Engineer (0–2 years) | Competitive Salary | London | Hybrid Working Are you a Junior Machine Learning Engineer looking to kick-start your career working on real-world ML systems used at scale? We’re looking for a curious and motivated Junior Machine Learning Engineer to join a collaborat ...

Senior ML Engineer – Production AI & MLOps Lead

A leading AI consultancy is seeking a Senior Machine Learning Engineer to lead and build machine learning systems and pipelines. This role involves designing ML architecture, mentoring juniors, and collaborating with stakeholders. Candidates should have strong Python skills, experience with deployment frameworks ...

🚀 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