Lead Full Stack Engineer Python React Fastapi 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

Lead Full Stack Engineer (Backend Leaning)

Lead Full‑Stack Engineer (Backend-leaning) Who We Are:AND Digital are a tech company focused on accelerating digital delivery and dedicated to closing the digital skills gap. We’ve been helping organisations build better digital products and stronger digital teams since 2 ...

Lead Full Stack Engineer (Frontend Leaning)

Lead Full‑Stack Engineer (Frontend-leaning) Who We Are:AND Digital are a tech company focused on accelerating digital delivery and dedicated to closing the digital skills gap. We’ve been helping organisations build better digital products and stronger digital teams since ...

Lead Full Stack Engineer (Frontend Leaning)

Lead Full‑Stack Engineer (Frontend-leaning) Who We Are:AND Digital are a tech company focused on accelerating digital delivery and dedicated to closing the digital skills gap. We’ve been helping organisations build better digital products and stronger digital teams since 201 ...

Lead Full Stack Engineer (Backend Leaning)

Lead Full‑Stack Engineer (Backend-leaning) Who We Are:AND Digital are a tech company focused on accelerating digital delivery and dedicated to closing the digital skills gap. We’ve been helping organisations build better digital products and stronger digital teams since 2014 ...

Lead Full Stack Engineer (Java / Vue.js)

Lead Full Stack Engineer (Java / Vue.js)Our client based in Manchester City Centre is currently looking for an experienced Java engineer to join our growing team as a Lead Full Stack Engineer, helping to shape and deliver high-quality, end-to-end solutions across their platform.This is a key role ...

Full Stack Engineer (£60k £80k + Equity) at Cambridge based agentic AI platform

Job Title Full Stack Engineer (Founding Team) Salary £60k-£80k + Equity Company Description Cambridge-based agentic AI platform founded by Alexa's former speech lead and the Chair of the UK Government AI Council Job Description As the first fu ...

Junior Full Stack Software Developer

Junior Full Stack Software DeveloperLovey | Tech DepartmentLovey: Helping businesses access the funding they need to growAbout Lovey:At Lovey, we believe every business deserves access to the funding it needs to gr ...

Junior Full Stack Software Developer

Junior Full Stack Software DeveloperLovey | Tech DepartmentLovey: Helping businesses access the funding they need to growAbout Lovey:At Lovey, we believe every business deserves access to the funding it needs to gr ...

AI Engineer

GenAI Full Stack Engineer Location: London (Hybrid, 2 days per week in office) Salary: £45,000 to £55,000 + Benefits Type: Permanent About the Company We are partnering with a leading digital transformation and technology consultancy that helps organisations solv ...

AI Engineer

GenAI Full Stack EngineerLocation: London (Hybrid, 2 days per week in office)Salary: £45,000 to £55,000 + BenefitsType: Permanent About the CompanyWe are partnering with a leading digital transformation and technology consultancy that helps organisations solve complex business cha ...

Full Stack Developer

GenAI Full Stack EngineerLocation: Manchester (Hybrid, 2 days per week in office)Salary: £55,000 to £70,000 + BenefitsType: Permanent About the CompanyWe are partnering with a leading digital transformation and technology consultancy that helps organisations solve complex business ...

Software Engineer

Software Engineer Hybrid: Central Bristol office 3 times per week. £60-£70,000 + | 8-12% bonus | Pension contributions doubled 6% = 18% Below covers everything you need to know about what this opportunity entails, as well as what is expected from applicants.< ...

Python Backend Engineer | FastAPI, CI/CD, Docker & Cloud

Develop, test, and maintain high-performance backend applications using Python Design and build RESTful APIs using FastAPI Automate deployment, configuration, and infrastructure management using Ansible Collaborate with DevOps teams to implement and maintain CI/CD pipelines </l ...

Remote Backend Engineer for AI HealthTech | Python & FastAPI

A leading HealthTech company in the UK is seeking a Software Engineer to design and build production-grade backend systems using Python and FastAPI. This role offers fully remote working with optional office space in Holborn. You'll contribute to high-impact projects in AI-driven healthcare, work alongside engin ...

Remote Senior Python Engineer — FastAPI for RL Gym

A leading AI research accelerator is seeking a Python Developer with strong FastAPI expertise to join a Reinforcement Learning project. The role involves designing scalable APIs, collaborating with engineers, and delivering backend services for experiments. Ideal candidates have over 5 years of Python experience ...

Senior AI Engineer

Senior GenAI Full Stack Engineer Location: Manchester (Hybrid, 2 days per week in office) Salary: £75,000 to £85,000 + £4,000 Bonus + Benefits Type: Permanent About the Company We are partnering with a leading digital transformation and technol ...

Senior Full Stack Engineer (+ Equity) at YC backed AI native enterprise

About the Role We are seeking a Full‑Stack Engineer to join a dynamic team focused on building an AI‑native workspace. This role involves designing, developing, and maintaining scalable systems across the stack, impacting high‑profile enterprise clients. Responsibilities <u ...

Senior Python Engineer for AI Systems & FastAPI (Remote)

Mercor, headquartered in San Francisco, is looking for a Software Engineer for a contract position. This remote role involves developing and maintaining complex Python systems while collaborating with AI research teams. Candidates should have experience at top US tech firms and a proven track record in Python de ...

Senior Backend Engineer: Python/FastAPI, LLMs & AI APIs

Weekday AI (YC W21) is looking for a Senior Backend Engineer based in London. You will design and develop scalable backend systems focusing on AI applications and microservices. The role requires 5-9 years of backend experience, strong Python skills, and experience with frameworks such as FastAPI. You will integ ...

Senior Backend Engineer Python/FastAPI, Scale up CPMS

A leading Charge Point Operator is seeking an experienced Senior Backend Engineer to develop their Charge Point Management System and customer-facing applications. This full-time, hybrid role based in Southwark involves backend development using Python and FastAPI, API design, and system performance optimization ...

Python Cloud Engineer – AWS, Terraform, FastAPI | Hybrid UK

A premier technology recruitment agency is seeking an experienced Python Engineer for a contract role in the United Kingdom. This position entails designing cloud-native applications and optimizing CI/CD pipelines using Python, AWS, and Terraform. Candidates should have a proven track record of at least 5 years ...

Senior Python Developer: FastAPI & Azure Microservices

A leading staffing agency is seeking a Senior Python Developer with a focus on FastAPI for a premier energy client in London. This mid-senior level contract position involves designing and deploying scalable backend services, collaborating with cross-functional teams, and developing high-performance APIs. The ro ...

Senior Python Developer — FastAPI, Kubernetes & LLMs

A multinational financial services corporation in Belfast is seeking a highly motivated Senior Python Developer for its Wholesale Credit Risk Technology team. The role involves designing and delivering innovative technology solutions for the front office within a collaborative environment. Candidates should have ...

Python Developer – FastAPI, Kubernetes & LLM/RAG

A leading financial services company in Belfast is seeking an Applications Development Intermediate Programmer Analyst. The role involves contributing to application systems analysis and programming activities, primarily using Python and FastAPI. Successful candidates will have over 3 years of experience buildin ...

Senior Python Developer FastAPI Start up

Senior Python Developer / Software Engineer (Python FastAPI Django) London to £120k Would you like to progress your career in a senior, hands-on role at an early stage AI start-up within the beauty space? As a Senior Python Developer you'll focus on building backend services ...

Senior Python Developer FastAPI Start up

Senior Python Developer / Software Engineer (Python FastAPI Django) London to £120kWould you like to progress your career in a senior, hands-on role at an early stage AI start-up within the beauty space?As a Senior Python Developer you'll focus on building backend services and FastAPIs us ...

Senior Python Developer FastAPI Start up

Senior Python Developer / Software Engineer (Python FastAPI Django) London to £120kWould you like to progress your career in a senior, hands-on role at an early stage AI start-up within the beauty space?As a Senior Python Developer you'll focus on building backend services and FastAPIs us ...

Founding Engineer

Founding Engineer Candidates should take the time to read all the elements of this job advert carefully Please make your application promptly.An exceptional opportunity for a Founding Engineer to join a highly innovative, early-stage AI start-up in Cambridge, working al ...

Founding Engineer

Founding EngineerAn exceptional opportunity for a Founding Engineer to join a highly innovative, early-stage AI start-up in Cambridge, working alongside a world-class founding team to build a next-generation enterprise AI platform from prototype to ...

Founding Engineer

Founding EngineerAn exceptional opportunity for a Founding Engineer to join a highly innovative, early-stage AI start-up in Cambridge, working alongside a world-class founding team to build a next-generation enterprise AI platform from prototype to ...

Remote UK Full Stack Engineer — Python/TS, Impact & Scale

A mental-health technology company is seeking a Full-Stack Software Engineer to develop and implement high-quality features. You'll write efficient code in Python and TypeScript, maintain application performance, and ensure security compliance. The role requires strong full-stack development experience and profi ...

Senior Python Full Stack Engineer Shape Cutting Edge Tools

An innovative technology firm in Newcastle upon Tyne is seeking a Senior Full Stack Developer to lead the development of sophisticated web applications. This role involves end-to-end development, system architecture, and mentoring juniors. The ideal candidate will have deep experience in Python, cloud computing, ...

Remote Full Stack Engineer II (Python) — Build Data Tools

A leading market intelligence firm in Greater London is seeking a Full Stack Software Engineer to develop and maintain internal tools that streamline insights delivery. You will collaborate with technical consultants, design intuitive user interfaces, and implement backend services interacting with data platform ...

Full Stack Java/Python Engineer (London Hybrid, 6m Contract)

A digital consultancy is recruiting for a Full Stack Java/Python Engineer on a 6-month contract, requiring solid experience in Java and Spring Boot. The role involves developing full stack applications and working with modern frontend frameworks like React and Typescript. This position is hybrid, with 2 days a w ...

Risk Software Engineer Full Stack Python & AI Driven Engines

A leading financial services firm in Greater London is seeking a Software Developer to join its Technology department. This role focuses on enhancing Risk Engines and collaborating within a dynamic team. Candidates should have full-stack Python skills, experience with scalable applications, and familiarity with ...

Full Stack Engineer: TypeScript/Next.js & Go/Python (On site)

A technology company is seeking a Full-Stack Engineer to work on Octopart.com based in Cambridge. The role involves designing user interfaces and developing backend services using technologies like TypeScript and Node.JS. Candidates should have at least 4 years of experience in full-stack application development ...

Full Stack Java/Python Engineer (London Hybrid, 6m Contract)

A leading digital consulting firm is seeking a Full Stack Java/Python Engineer for a 6-month contract starting ASAP. The role involves developing end-to-end full stack applications and requires proficiency in Java and Spring Boot, alongside experience with Python and modern frontend frameworks like React. The po ...

Full Stack Python Engineer for Real Time Finance Tech

A financial services firm in Greater London is seeking a Full-Stack Python Engineer. In this role, you will design, develop, and optimize full-stack applications, focusing on real-time data and analytics systems. Ideal candidates will have experience with REST APIs, event-driven architectures, and CI/CD practice ...

Full Stack Engineer (Python, AWS) Finance Tech in London

A leading recruitment firm is seeking a Fullstack Engineer based in London. The successful candidate will have strong skills in Python, SQL, AWS, and Terraform, with a focus on building investment analysis platforms. Experience in investment management or financial services is highly desirable, along with excell ...

Python/GenAI Full Stack Developer (SC Eligible)

GenAI Full Stack Developer Consultant (SC Eligible) My client is a global leading Digital Consultancy specialising in Cloud Adoption, Digital Architecture/Transformation & NextGen AI Solutions, providing fully remote working with ad hoc client site travel (fully expensed). They are ...

Software Engineer, Enterprise

At Scale AI, we’re not just building AI tools—we’re pioneering the next era of enterprise AI. As businesses race to harness the power of Generative AI, Scale is at the forefront, delivering cutting-edge solutions that transform workflows, automate complex processes, and drive unparalleled efficiency for the l ...

Remote Python Django Full Stack Developer (Internship)

Uma empresa de tecnologia no Reino Unido está buscando profissionais para um estágio que envolve a criação e manutenção de soluções de software, com foco em hiperautomação. Os candidatos ideais têm experiência em Python, Django, Docker, e conhecimento em APIs e automação Web. O estágio é de 6 horas com bolsa de ...

Senior Python Full Stack Developer – Hybrid (Renewables)

A technology company is seeking a Senior Python Full Stack Developer to work in a hybrid role based in Newcastle upon Tyne. You will design and maintain full stack web applications using your expertise in Python and PostgreSQL. This position involves collaborating with teams to create intuitive user interfaces a ...

Full Stack Developer Python Django Go AWS

Full Stack Developer / Engineer (Python Django Flutter Go AWS) London to £90kAre you a full stack technologist who enjoys working on Greenfield apps?You could be progressing your career at a tech scale-up that are enjoying great success with their AI workforce optimisation software that c ...

Full Stack Developer Python Django Go AWS

Full Stack Developer / Engineer (Python Django Flutter Go AWS) London to £90kAre you a full stack technologist who enjoys working on Greenfield apps?You could be progressing your career at a tech scale-up that are enjoying great success with their AI workforce optimisation software that c ...

Senior Fullstack Enginer (Python & React)

Senior Fullstack Engineer (Python & React) 2 weeks ago Be among the first 25 applicants Get AI-powered advice on this job and more exclusive features. Direct message the job poster from Parser Senior Full Stack Software Engineer – Passenger Flow Modelling <p ...

🚀 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 Python React Fastapi Jobs in United Kingdom Job Search Guide, Trends and Insights