Lead Full Stack Engineer Pythonreactfastapi Hybrid 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

AI Driven Full Stack Engineer (Node/React) – Remote

Fruition Group is seeking a remote Full Stack Engineer to transform an AI proof of concept into a production-ready solution. The role involves developing functionality with Node.js and React while integrating large language models. The ideal candidate has strong experience in AI-driven applications, AWS and Azur ...

Senior AI Full Stack Engineer (FinTech, Remote, Equity)

Atarus is seeking a Senior Fullstack Engineer to join their product engineering team in Greater London. The role involves designing and engineering large-scale systems while fostering a collaborative, outcome-focused, and user-empathetic environment. The ideal candidate has over 5 years of experience, embraces D ...

VP, Equities Tech Full Stack Engineer (Kotlin/Python)

Citi is seeking a Vice President Developer for their Strategic Equity Solutions team to design and develop innovative software solutions enhancing trader workflow. The successful candidate will possess strong backend skills in Kotlin/Python and a deep understanding of trading workflows. This role offers substant ...

Full Stack Engineer (Kotlin and/or Python) – VP

Overview Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ countries operating at a scale few can match. From deploying advanced AI to helping shape ...

On Site Full Stack Engineer — Java/C#, React

NRG. in Newcastle upon Tyne is seeking a skilled software developer to contribute to digital product development. This fully office-based position requires solid commercial experience in object-oriented programming with languages like Java or C#, and familiarity with modern front-end frameworks such as React, An ...

AI Driven Full Stack Engineer for Fintech Platform

Titanbay is seeking a Full Stack Engineer based in Greater London. The successful candidate will help build and scale their platform across private markets while working within an AI-native team. Responsibilities include designing and implementing products and features, collaborating closely with product and des ...

Full Stack AI Engineer: LLM Driven Healthcare Apps

Tortus AI LTD is looking for a talented engineer to focus on integrating AI models into healthcare solutions. In this high-leverage role, you will design and build product features while ensuring the reliability and quality of AI outputs. Responsibilities include working with LLMs, developing validation framewor ...

PHP Full Stack Software Engineer Supply Chain / Sustainability

We re seeking a UK-based PHP Full Stack Software Engineer to support the continued growth of our sustainability and digital learning platforms. You ll be a hands-on developer who enjoys building modern, responsive user experiences, writing clean, scalable code, and collaborating closely with design ...

Senior Full Stack Engineer — Trading Platform (React/TS)

NPAworld is hiring a Senior Full-Stack Engineer for their Trading Platform in Waterloo, London. The role involves designing, building, and maintaining features in a high-performance trading system using TypeScript, Node.js, and React. Candidates should have over 8 years of development experience and at least 3 y ...

Senior Full Stack Engineer — Remote AI Web Platform

Fanatics is seeking a Software Engineer III (Full Stack) to lead the development of their web app, focusing on creating scalable, high-quality user experiences. Ideal candidates should have over 4 years of experience in modern JavaScript/TypeScript, particularly with React and Next.js. The role offers flexibilit ...

Full Stack Engineer AI Powered Workflows, London (Onsite)

A leading recruitment firm is seeking a Full Stack Engineer to join their product-focused team in London. This hands-on role involves designing software for complex workflows, utilizing TypeScript for frontend development and Python for backend services. The ideal candidate will have strong experience with moder ...

Senior Full Stack Engineer for AI Procurement Platform

A fast-growing tech startup in the UK is looking for a full-stack software engineer to join their team. The successful candidate will support the growth of the product and company, contributing to crucial product decisions and technical direction. Ideal candidates should have extensive experience in software eng ...

Full Stack Engineer Fuel Tech, Flexible & Stock Options

ReFuel Mobile is seeking a full stack developer to enhance their innovative fuel ordering platform. Key responsibilities include collaborating on product development, creating high-quality code, and managing documentation. Ideal candidates will have strong skills in Ruby on Rails and cloud services, alongside pr ...

Senior Software Engineer, Content Agent Full Stack & AI

A pioneering content technology firm in Greater London is looking for a Senior Engineer for their Content Agent. In this role, you'll engage in full-stack product work using TypeScript and React, contributing to the development of AI-powered systems that handle structured content. You’ll collaborate closely with ...

Full Stack AI Engineer (£70,000 + Equity) at CreateTOTALLY

Job Title Full Stack AI Engineer Salary Up to £70,000 + Equity Company Description CreateTOTALLY - AI-powered creative automation for Figma and Adobe Job Description As a Full Stack AI Engineer at CreateTOTALLY, you will build and ship feature ...

ML Full Stack Engineer: Python Backend & AI Systems

Machine Learning Software Engineer - Full Stack (LLM) London, United Kingdom Bachelor’s degree in Computer Science, Computer Engineering, or a related technical background. Experience Backend software engineering experience in Python. Responsibilities and Requirement ...

Senior Full Stack Engineer: Java/Spring Boot + React

A dynamic technology startup in United Kingdom seeks an experienced Full Stack Developer who can independently deliver end-to-end solutions in a fast-paced environment. The ideal candidate will have at least 5-8 years of software development experience, expertise in Java and PL/SQL, and the ability to collaborat ...

Remote Full Stack Engineer — AI Powered Markets Platform

A leading sports betting platform in Greater London is seeking a Full Stack Software Engineer to design and maintain web applications that allow users to engage with prediction markets. You will work on scalable features using React, Next.js, and JavaScript/TypeScript while leveraging AI tools for development. T ...

Full Stack Software Engineer — Remote, Flexible PTO & Growth

A leading tech company in Birmingham is seeking a Software Engineer to build its messaging platform. In this full-time role, you will work across the stack with technologies like React/Next.js, Node, and TypeScript. Responsibilities include owning features end-to-end and collaborating closely with customers and ...

Full Stack Software Engineer — AWS Fusion Platform, London

A leading market infrastructure provider in London is seeking a Software Engineer to join a new team working with AWS to build the next generation of the Fusion Platform. This role involves supporting technical delivery across disciplines such as development, testing, and dev-ops. Ideal candidates will be proact ...

Senior Full Stack React/Node Engineer (Remote & Flexible)

A growing technology firm in Brighton seeks a Senior Full Stack Engineer to design and maintain high-performance applications. The ideal candidate has extensive experience in TypeScript, Node.js, and React, and is motivated to work in a fast-paced environment. Key responsibilities include collaborating on techni ...

Senior Full Stack Next.js/React Engineer | Global Impact

A leading intellectual property firm is seeking a Full Stack Next.js / React Developer in Greater London. You will design and build modern web applications that power client platforms and internal tools. The ideal candidate has 5+ years of experience in software development, strong skills in Next.js and React, a ...

Remote Full Stack Engineer: Impactful Tech for Good

A tech-focused recruitment company is seeking a Full-Stack Developer to join a mission-oriented team. The role involves delivering complex, high-quality solutions while improving production systems. Candidates should have strong experience in C# .Net, a background in Agile methodologies, and be comfortable with ...

Cloud Native Full Stack Engineer — React/Java & AWS

A leading investment platform in Manchester seeks a passionate Developer to design and build cloud-based applications. You will collaborate closely with the engineering team, ensuring high-quality solutions and best practices. Candidates should have strong skills in TypeScript, JavaScript, React, and experience ...

Senior Full Stack Engineer AI Driven Production Tools

A leading technology consulting firm in Greater London is looking for a Senior Full-Stack Engineer to drive the development of AI-enabled systems in Production Management. Responsibilities include designing scalable applications and optimizing mission-critical systems, while fostering a culture of Agile practice ...

Senior Full Stack Engineer I (Growth & Marketing Technology)

We're putting together a talented team to build the #1 training platform for Runners We help everyday runners become outstanding by building an incredible app providing world‑class training, coaching and community for everyone, whether you're improving your 5k time or training for your firs ...

Senior Full Stack Software Engineer October 28, 2025

Chemify is revolutionising chemistry. We are creating a future where the synthesis of previously unimaginable molecules, drugs, and materials is instantly accessible. By combining AI, robotics, and the world’s largest continually expanding database of chemical programs, we are accelerating chemical discovery ...

Senior Full Stack Engineer for Growth & AI Marketplace

A leading secondhand fashion marketplace in London is seeking a Senior Full Stack Engineer to enhance user experiences across their platform. You'll work closely with product and design teams to redesign key user journeys, own feature development from problem to production, and analyze data-driven growth experim ...

Senior Full Stack Engineer — Build Scalable Work Platforms

A leading legal technology company in Alderley Edge is looking for a Senior Full-Stack Software Engineer. This role involves developing features using C#, .NET, and SQL, among other technologies. The ideal candidate will have over 5 years of experience and a strong background in both software engineering and dat ...

Senior Full Stack Engineer — AI Driven Fintech, Equity

A leading fintech startup in London is seeking a Senior Full-Stack Engineer to revolutionize cross-border finance. You'll own the technical architecture of a platform, building infrastructures for stablecoin payments and AI-driven financial intelligence. Ideal candidates have 5+ years of experience in full-stack ...

Senior AI Driven Full Stack Engineer – Compliance & Fraud

A cutting-edge AI startup in London is looking for a Senior Full-Stack Product Engineer to develop and enhance an AI-powered anti-financial crime platform. The ideal candidate will have over 4 years of full-stack experience with proficiency in TypeScript, React, and Node.js. Responsibilities include building sca ...

Senior Full Stack Engineer (Contract) Typescript / Next.js / Node.js

Overview Job title: Senior Full Stack Engineer (TypeScript / Next.js / Node.js / AWS) Type: Full-time, Contract Location: UK (flexible home, office, or hybrid working) UK offices: Edinburgh, Newcastle, Leeds, Manchester and London Star ...

Senior Full Stack Software Engineer (Node / Typescript / React)

Skin + Me is a technology-driven start-up on a mission to revolutionise personalised skincare. We’ve delivered millions of treatments across our multi-brand ecosystem (Skin + Me, Hair + Me, Renew + Me), powered by a proprietary stack that runs everything from our e‑commerce engine to our in‑house manufactu ...

Senior Full Stack Software Engineer, (Forward Deployed), GPS

Senior Full-Stack Software Engineer, (Forward Deployed), GPS London, UK Scale’s rapidly growing Global Public Sector team is focused on using AI to address critical challenges facing the public sector around the world. Our core work consists of: Creating custom AI applicatio ...

Senior Full Stack Software Engineer (Forward Deployed, GPS)

Scale’s rapidly growing Global Public Sector team is focused on using AI to address critical challenges facing the public sector around the world. Our core work consists of: Creating custom AI applications that will impact millions of citizens Generating high-quality training data f ...

AI First Senior Full Stack Engineer Remote UK

A leading AI-native property finance platform is looking for a Senior Full Stack Engineer to transition its architecture to AI-native systems. This role involves building and maintaining a TypeScript application, developing AI document ingestion layers, and managing cloud infrastructure. The ideal candidate has ...

Java Full Stack Engineer – FinCrime Platform (Glasgow, AVP)

A leading financial institution is looking for a Java Full Stack Engineer to join their team in Glasgow. In this mid-senior level role, you will develop high-quality software solutions and collaborate with cross-functional teams. The ideal candidate should have extensive experience in full-stack development, par ...

Senior Full Stack Engineer: TS Frontend & Java Microservices

A leading financial services group is seeking a Senior Software Engineer with strong full‑stack development experience, focusing on TypeScript and Java/Spring Boot. The role involves delivering scalable, secure solutions alongside engineers and product teams. Ideal candidates will have expertise in RESTful micro ...

Senior Backend‑Focused Full‑Stack Engineer — Scale Impact

A leading educational technology company in Greater London is searching for a Full-Stack Developer to engage in backend and frontend development using cutting-edge technologies like Python and Django. The ideal candidate will thrive in a collaborative environment and drive innovation through data-driven decision ...

Senior Full Stack Engineer AI Powered Health Platform

A fast-growing technology company located in Cambridge is seeking a full-stack developer. This role involves working on both frontend technologies like Angular and React, as well as backend technologies such as Node.js and AWS Lambda. Candidates should have a solid understanding of Typescript and experience with ...

Senior Full Stack Engineer, Physical AI — Equity & Growth

A leading AI infrastructure firm in Greater London is seeking talented individuals to join their Engineering team. You will work on tools for the Physical AI data stack, responsible for solving challenges of data management and enhancing performance in developing AI solutions. The role offers the opportunity for ...

Senior Full Stack Engineer Build Enterprise Scale Software

A leading software firm in Abingdon seeks a Full Stack Engineer with strong Front End skills in either React or Angular. This role involves the full software development lifecycle, integrating components into functional systems and working under Agile methodologies. The ideal candidate should have at least 4 yea ...

Senior Full Stack Engineer Real Time Fintech Platform

A leading fintech startup in Greater London is seeking a talented developer to build real-time collaborative financial applications. You will design scalable APIs and integrate various financial data sources while ensuring data security and compliance. The ideal candidate will work with a modern tech stack inclu ...

Forward Deployed AI Full Stack Engineer (Public Sector)

A forward-thinking technology firm in the United Kingdom is seeking a Full Stack Software Engineer to develop AI applications for the public sector. You will partner with clients, developing solutions and managing infrastructure in cloud environments. Ideal candidates will have a Bachelor's degree and at least 5 ...

Senior Full Stack AI Engineer – Equity & Remote (London)

A leading tech startup in London is seeking a Senior Full-Stack Product Engineer. The role involves building advanced features for an AI-driven anti-financial crime platform, with significant ownership over AI strategies. Ideal candidates will have over 4 years of experience with expertise in TypeScript, React, ...

Full Stack Software Engineer – Java/Spring (Onsite UK)

A leading aerospace and defense company in the UK seeks a Software Engineer to join its teams in various locations. This full-time role involves designing and building software for critical projects in a cross-functional team environment. Candidates should have full stack experience, Java development skills, and ...

DV Cleared Java Full Stack Engineer Cloud & Microservices

A global technology and transformation partner in London is seeking a DV Cleared Java Full Stack Engineer. In this mid-senior level role, you will drive business outcomes by creating digital solutions and working with diverse technology stacks. You must have substantial experience with Java (Spring Boot) and be ...

Full Stack Engineer: C#/.NET & React (ERP Modernisation)

A recruitment company is seeking a versatile full stack developer for a global manufacturing project in Mansfield. The role involves front-end React development and backend C# .NET work, contributing to ERP redevelopment and system integration. Ideal candidates should have strong problem-solving skills and solid ...

Senior .NET Full Stack Engineer ASP.NET Core Modernisation

A software development company is seeking an experienced Full-Stack C#.NET Developer to modernize legacy systems using ASP.NET Core in Halifax, England. The role involves rewriting applications, ensuring code quality, and collaborating in Agile teams. Candidates should have extensive C#/.NET experience and stron ...

Founding Full Stack/Platform Engineer — AI SaaS, Equity

A tech startup is seeking a Full-Stack/Platform Engineer to be a foundational hire in developing an AI-native platform. Responsibilities include owning the technical lifecycle, designing production SaaS solutions, and scaling AWS infrastructure. The ideal candidate has 7+ years of experience with strong skills i ...

🚀 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 Full Stack Engineer Pythonreactfastapi Hybrid Jobs in United Kingdom Job Search Guide, Trends and Insights