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

GenAI Data Platform Engineer Full Stack

A global financial services company is seeking a skilled full-stack engineer to lead the development of foundational systems for their 'Citi Assist' AI assistant. The role involves building data pipelines, designing testing protocols, and developing user-facing features using modern frameworks. Successful candid ...

Lead Backend Engineer – RegTech for M&A/PE (Hybrid)

A recruitment firm is seeking a Senior Back-End Engineer to lead the backend architecture in a pioneering RegTech company. The role involves developing scalable systems and mentoring junior engineers. Candidates should have over 5 years in back-end development with proficiency in Node.js, Python, or Java. The po ...

Senior ML Engineer: Build scalable, impactful AI

A global technology group is seeking a Senior Machine Learning Engineer to take charge of the end-to-end lifecycle of machine learning models. You will lead innovation in designing ML solutions to improve user experience and deliver actionable insights. The ideal candidate will have extensive experience in machi ...

Senior Architecture Engineer: Shape Next Gen Computing Systems

A global technology company in Cambridge is seeking a Senior Architecture Engineer to lead the development and validation of architectural models and influence the next generation of computing systems. This role requires strong experience in computer architecture, scripting skills in Python, and programming expe ...

Data Platform Engineer Lead (AWS)

A governmental body in Glasgow is seeking a skilled Data Engineer to lead their data engineering efforts. The candidate will develop automated data solutions and ensure quality across data management processes. Key qualifications include strong experience in cloud-native engineering using AWS, proficiency in cod ...

Lead MLOps Engineer for SageMaker Migration

A renowned digital consultancy is seeking a Lead MLOps Engineer to oversee the migration of ML workloads from Databricks to AWS SageMaker. This hands-on role requires proven experience in Python-based ML development, strong technical leadership, and expertise in regulated environments. The ideal candidate will w ...

AI Engineer Equity & Impact at London AI Startup

An innovative AI startup in London seeks an AI Engineer to drive the development of groundbreaking algorithms that enhance patent generation. Joining a stellar team backed by major investors, you will lead the creation of evaluation pipelines and collaborate directly with the CRO to ensure efficient deployment o ...

Senior ML Engineer Neuro Monitoring & Signal AI (Remote)

A technology firm specializing in neuromonitoring is seeking a Senior ML Engineer/Data Scientist in Greater London. You will analyze complex time-series datasets, lead the development of machine learning models, and collaborate closely with cross-disciplinary teams. The ideal candidate will have over 4 years of ...

Senior BI Engineer: Cloud Data Platform Lead

A leading UK insurance firm is seeking a proactive Senior BI Engineer to join its Data team in Bournemouth. You'll lead stakeholder engagement and develop cloud-based BI solutions, transforming raw data into actionable insights for strategic decision-making. This role requires extensive BI development experience ...

Senior Software Engineer

Job Description — Senior Backend Software Engineer Location: London (4 days in-office) Type: Full-time Reports to: Head of Engineering About the Role We build decision‑making infrastructure for complex, real‑world systems, primarily in glo ...

Senior Acoustics Engineer

Senior Acoustics Engineer | £55-65k | Cambridge My client is rapidly expanding their Audio Team, and has an opportunity for an engineer with a deep background in micro-acoustics who wants to see their work have a direct impact. They have a tonne of freed ...

Senior Fullstack Engineer (Remote UK)

TalentCo are delighted to be working with a fast-growing Agentic AI startup looking to hire a high-calibre Senior Fullstack Engineer into their growing engineering team in Europe, having recently closed a significant seed funding round. Have you got what it takes to succeed The following informatio ...

Senior Fullstack Engineer (Remote UK)

TalentCo are delighted to be working with a fast-growing Agentic AI startup looking to hire a high-calibre Senior Fullstack Engineer into their growing engineering team in Europe, having recently closed a significant seed funding round. Have you got what it takes to succeed The following informatio ...

Senior Fullstack Engineer (Remote UK)

TalentCo are delighted to be working with a fast-growing Agentic AI startup looking to hire a high-calibre Senior Fullstack Engineer into their growing engineering team in Europe, having recently closed a significant seed funding round. Have you got what it takes to succeed The following informatio ...

Senior Fullstack Engineer (Remote UK)

TalentCo are delighted to be working with a fast-growing Agentic AI startup looking to hire a high-calibre Senior Fullstack Engineer into their growing engineering team in Europe, having recently closed a significant seed funding round. Have you got what it takes to succeed The following informatio ...

Senior Fullstack Engineer (Remote UK)

TalentCo are delighted to be working with a fast-growing Agentic AI startup looking to hire a high-calibre Senior Fullstack Engineer into their growing engineering team in Europe, having recently closed a significant seed funding round. Have you got what it takes to succeed The following informatio ...

Senior Fullstack Engineer (Remote UK)

TalentCo are delighted to be working with a fast-growing Agentic AI startup looking to hire a high-calibre Senior Fullstack Engineer into their growing engineering team in Europe, having recently closed a significant seed funding round. Have you got what it takes to succeed The following informatio ...

Senior Fullstack Engineer (Remote UK)

TalentCo are delighted to be working with a fast-growing Agentic AI startup looking to hire a high-calibre Senior Fullstack Engineer into their growing engineering team in Europe, having recently closed a significant seed funding round. Have you got what it takes to succeed The following informatio ...

Senior Software Engineer

Software Engineers will work on projects that will stretch their expertise, requiring creative problem-solving and technical precision. Every step will contribute to a shared ambition: to solve the toughest challenges by creating technologies to help to shape a better future.Software Engineers will have de ...

Security Cleared Simulation Engineer Engine & Tools Lead

A leading resource management firm in Luton is seeking an experienced engine engineer to lead engine-driven projects from concept through delivery. The role requires proficiency in C++, Python, and Lua, alongside a strong background in game development or simulation engineering. You will collaborate across disci ...

Founding Mechatronics Engineer for Production Ready Robot

A pioneering robotics company is seeking a Founding Mechatronics Engineer to lead the design of a wheeled humanoid robot. This high-impact role requires relocation to San Francisco by March 30, 2026. Responsibilities include systems integration, power system architecture, and collaboration with cross-functional ...

Credit Risk Data Scientist & AI Engineer

A progressive fintech credit startup in Greater London is seeking a Data Scientist and AI Engineer to develop innovative predictive models for consumer credit risk assessment. This role involves balancing statistics with advanced machine learning to enhance financial inclusion through ethical model building. The ...

Senior Software Engineer at Flawless

Job Title Senior Software Engineer Company Description VC-backed creative AI platform Location London, UK Job Description Join a pioneering team building assistive AI tools that empower filmmakers to transform storytelling. This senior backend-leanin ...

Machine Learning Engineer

A growing technology company is seeking a Machine Learning Engineer to develop predictive maintenance models for robotic components. This role involves building models from scratch using optical, UV, and thermal imaging data, as well as environmental sensor data such as humidity, temperature, and pressure. </ ...

Contract Azure Data Engineer GBP600/pd Outside IR35

Contract Azure Data Engineer - £600/pd Outside IR35 Please note - this is a London based role which will require you to attend the London office three days per week. To be eligible for this role you must be based in the UK and have the unrestricted right to work in the UK. My client is look ...

Lead Engineer Financial Services

Lead Engineer- Financial Services A major global financial services organisation is seeking a Lead Engineer to drive the development of cutting-edge Generative AI applications used at scale across the business. This is a high-impact role where youll lead one of the organisations GenAI ...

Lead Engineer Financial Services

Lead Engineer- Financial Services A major global financial services organisation is seeking a Lead Engineer to drive the development of cutting-edge Generative AI applications used at scale across the business. This is a high-impact role where youll lead one of the organisations GenAI ...

Lead Engineer Financial Services

Lead Engineer- Financial Services A major global financial services organisation is seeking a Lead Engineer to drive the development of cutting-edge Generative AI applications used at scale across the business. This is a high-impact role where youll lead one of the organisations GenAI ...

Lead Engineer Financial Services

Lead Engineer- Financial Services A major global financial services organisation is seeking a Lead Engineer to drive the development of cutting-edge Generative AI applications used at scale across the business. This is a high-impact role where youll lead one of the organisations GenAI ...

Geospatial Software Engineer

Geospatial Data Engineer - ContractRemote UK£420 per day12 Months - the entirety of 2026 into 2027Deemed Outside IR35 (pending QDOS assessment) This Contract Geospatial Data role is a fantastic opportunity to work on cutting edge data problems at a leading environmental risk c ...

Lead AI Engineer: AI Agents & RAG for Smart Energy

A forward-thinking energy solutions company in the UK is looking for a Lead AI Engineer to drive AI innovations and enhance business operations. In this role, you will design and deploy AI agents, work closely with stakeholders to identify needs, and ensure compliance with data governance standards. The ideal ca ...

POSITION NOW FILLED Mid Level Software Developer: LearningCog Ltd

Overview POSITION NOW FILLED Mid-Level Software Developer: LearningCog Ltd What you’ll do Take ownership of backend development using Python and Django within our current tech offering. Lead the development of new projects from concept through to delivery, ensuring ...

Lead AI Engineer & ML Architect

A dynamic tech company in Greater London seeks a Lead AI Engineer to develop and optimize advanced AI solutions.Is your CV ready If so, and you are confident this is the role for you, make sure to apply asap.The role involves leadership in project development, mentoring junior engineers, and ensuring AI ...

Fullstack Software Engineer

Overview Fullstack Software Engineer (TypeScript, NodeJS, AWS, React) Location: Manchester / Hybrid (2 times a week in the office) Salary: Up to £65,000 (DOE) Type: Permanent Sector: Tech For Good How would you like to work ...

Senior React Native Engineer, Secure communication & Payment,

Job Openings Senior React Native Engineer, Secure communication & Payment, About the job Senior React Native Engineer, Secure communication & Payment, King Deux Search & Consulting is a specialised executive search firm which offers bespoke talent solutions across financial services and c ...

Principal Security Engineer, Detection & Response EMEA

A leading internet financial platform in the United Kingdom is seeking a Principal Security Engineer to lead the detection and response efforts for security threats. This role involves collaboration with various teams, engaging in incident response, and staying current in a rapidly evolving environment. The idea ...

Data Team Lead

Data Engineer Lead (Hybrid, London) – 6-Month Contract Are you a hands‑on data engineering leader ready to take ownership of a modern cloud data platform? We are seeking a Data Engineer Lead to design, build, and optimise enterprise‑scale data solutions, focusing on Databricks and c ...

Staff Frontend & Full Stack Engineer — Lead & Scale Apps

A growing technology company in the UK is looking for a Staff Engineer to work across multiple teams in the Consumer space. The ideal candidate will have extensive experience in Frontend Software Engineering, particularly with modern technologies such as React and Node.js. You'll lead initiatives, manage project ...

AWS Full Stack Developer

**Introduction**At IBM CIC, we provide technical and industry expertise to a wide range of public and private sector clients in the UK.A career in IBM CIC means you'll have the opportunity to work with leading professionals across multiple industries to improve the hybrid cloud and AI journey for the ...

AWS Full Stack Developer

**Introduction**At IBM CIC, we provide technical and industry expertise to a wide range of public and private sector clients in the UK.A career in IBM CIC means you'll have the opportunity to work with leading professionals across multiple industries to improve the hybrid cloud and AI journey for the ...

AWS Full Stack Developer

**Introduction**At IBM CIC, we provide technical and industry expertise to a wide range of public and private sector clients in the UK.A career in IBM CIC means you'll have the opportunity to work with leading professionals across multiple industries to improve the hybrid cloud and AI journey for the ...

AWS Full Stack Developer

**Introduction**At IBM CIC, we provide technical and industry expertise to a wide range of public and private sector clients in the UK.A career in IBM CIC means you'll have the opportunity to work with leading professionals across multiple industries to improve the hybrid cloud and AI journey for the ...

Senior Full Stack Architect & Platform Leader

A leading technology firm in Greater London is seeking a seasoned Software Engineer to lead full-stack development projects. Candidates should have over 15 years of experience, proficiency in Java, Spring Boot, React, and a solid understanding of cloud platforms and DevOps practices. The role involves collaborat ...

Senior Software Engineer React (7+ Years Exp) Up to £200k + Industry Leading Bonus

Compensation Up to £200,000 Base + Industry Leading Bonus + Comprehensive Package A leading FinTech firm in London is seeking a talented Senior Software Engineer to join its growing technology team. This is an opportunity to work in a fast-paced, high-performance trading e ...

Cracked founding engineer (Fullstack) at BLEEP64 LTD

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 to speak to Jack. Job Title Cracked founding engineer (Fullstack) Company Description B ...

Research Assistant – AI Agents & LLM Prototyping

Research Assistant – AI Agents & LLM Prototyping Overview We are looking for a Research Assistant with 2+ years of experience in prototyping and testing AI agents or large language models (LLMs). You will design test prompts, experiment with prompt engineering, and debug AI agent tool calls ...

Staff Frontend Engineer: Lead High Impact EdTech UI

A high-growth EdTech startup in London seeks a Staff Software Engineer to lead frontend initiatives for their gamified learning platform. In this impactful position, you will build user-facing features while collaborating closely with designers and product managers. Ideal candidates are experts in React, TypeScr ...

Platform Engineer London

Platform Engineer – AWS/Terraform Global Financial Services organisation Location: London Salary: £85,000 - £100,000 + benefits + bonus (20%) Hybrid: In office 3 days per week Company Overview Join a leading global financial ser ...

🚀 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