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

Senior Full Stack Engineer

We’re hiring a Senior Full Stack Engineer to join a team building a greenfield, AI‑powered productivity platform designed to help teams automate workflows, surface contextual insights, and unlock internal knowledge using large language models. This is a hands‑on engineering role where you’ll work ac ...

Senior Full Stack Engineer

RSMB is seeking an experienced and highly capable Senior Full Stack Engineer to play a central role in the design, development, and evolution of our expanding product suite, including Barb Ads Hub, NMO XCM, and our Data Fusion platform. You will join the team based in London (Hyb ...

Senior Full Stack Engineer

We are seeking a Senior Full Stack Engineer to become the technical backbone of Bonsai. The role owns the architecture and delivery of the platform end-to-end – from the React Native mobile app through to the Django API, data layer, and cloud infrastructure. Beyond building, the Senior Full Stack En ...

Full Stack Software Engineer

Our mission We're powering biology's century with radically faster, more reliable clinical trials. Every new treatment needs clinical trials to prove safety and efficacy, but today's infrastructure is stuck in the past, driving up cost, causing delays and ultimately meaning new treatments don’t g ...

.NET Full Stack Engineer

Role: C#/.NET Full Stack Engineer Base Locations: London, Manchester, Newcastle or Glasgow Working Pattern: Hybrid, with flexibility for client assignments Salary: £45,000 - £55,000 + Benefits, Perks, Pension Overview We are seeking exp ...

Full Stack Engineer TypeScript

We’re working with a fast-growing SaaS company building infrastructure for modern, global teams, now evolving into an AI-driven platform connecting workflows across business functions. What You’ll Do Build and ship features end-to-end across product and platform Work across ba ...

Founding Engineer (Full Stack)

About the Role You’ll own and ship major product milestones end-to-end, starting with our next big feature, while restructuring how we build on the frontend so the team ships faster for years to come. You’ll lead our React codebase into a clean, scalable architecture, drive the migration to serve ...

Full Stack Sofware Engineer

At CGI, we design and deliver secure, scalable digital solutions that transform how organisations operate and serve their customers. As a Full Stack Software Engineer, you will take ownership of building high-quality applications across the entire technology stack, shaping architecture decisions an ...

.NET Full Stack Engineer

Role: C#/.NET Full Stack Engineer Base Locations: London, Manchester, Newcastle or Glasgow Working Pattern: Hybrid, with flexibility for client assignments Salary: £45,000 - £55,000 = Bens,Perks,Pension Overview We are seeking experi ...

NET Full Stack Engineer

Role: C#/.NET Full Stack Engineer Base Locations: London, Manchester, Newcastle or Glasgow Working Pattern: Hybrid, with flexibility for client assignments Salary: 45,000 - 55,000 = Bens,Perks,Pension Overview We are seeking experienced Full ...

NET Full Stack Engineer

Role: C#/.NET Full Stack Engineer Base Locations: London, Manchester, Newcastle or Glasgow Working Pattern: Hybrid, with flexibility for client assignments Salary: £45,000 - £55,000 + Bens, Perks, Pension Overview We are seeking expe ...

Senior Full Stack Engineer

Blue Light Card. Individually great, together unstoppable The Role and the Team At Blue Light Card, we're on a mission to support our millions of members with meaningful digital experiences. We have recently undertaken a replatforming transformation, setting the fou ...

Full Stack AI Engineer

About Sunnystep Sunnystep is a science-led comfort footwear brand focused on helping people move better through products designed for the feet, knees, and back. We are building an AI-native company, where technology is embedded into retail, ecommerce, supply chain, customer service, and internal ...

Full Stack Software Engineer

Full Stack Software Engineer Location: London Travel: Travel required several times per year (UK and international), sometimes at short notice and for up to 7 days Security: Must be eligible to obtain and maintain UK security clearance to at least SC level ...

.NET Full Stack Engineer

Role: C#/.NET Full Stack Engineer Base Locations: London, Manchester, Newcastle or GlasgowWorking Pattern: Hybrid, with flexibility for client assignmentsSalary: £45,000 - £55,000 + Bens, Perks, Pension Overview We are seeking experienced Full Sta ...

Staff Full Stack Engineer

Role Overview You'll join a small, high-performing team of engineers and product leaders shaping how we scale our platform and our impact. From your first day, you will have the opportunity to work closely with the founding team based across London & Paris to shape the product vision and ...

Full Stack GCP Engineer

Are you a Full Stack Engineer who thrives on building scalable, data-driven platforms that solve real-world problems?Our client is transforming a global supply chain through AI and real-time market intelligence. Operating at the intersection of data, cloud engineering and user-centric product devel ...

Senior Full Stack Engineer

Who are OnBuy?OnBuy are an online marketplace who are on a mission of being the best choice for every customer, everywhere.We have recently been named one of the UK's fastest-growing tech companies in the Sunday Times 100 Tech list.All achievements we are very proud of, b ...

Full Stack Software Engineer

Full Stack Software EngineerNational Security Business Be part of a growing and highly trusted supplier into the NS domain working to deliver mission critical solutions helping to keep the nation safe, secure and prosperous.Work on leading edge technology solutions in the foll ...

Senior Full Stack Engineer

Role:                                    Senior Full Stack Engineer Location:   &nb ...

Full Stack Engineer III

Job DescriptionWe now have an exciting opportunity for a Full Stack Engineer to work on our award winning Investcentre platform. You will be joining a team which has a philosophy of continuous improvement and a strong focus on engineering excellenceWhat does the job involve?< ...

Full Stack Software Engineer

Location: LondonTravel: Travel required several times per year (UK and international), sometimes at short n ...

Full Stack Software Engineer

Full Stack Software EngineerC# / WPF / Vue.js / MicroservicesThe RoleWe are seeking an experienced Full Stack Software Engineer to join an engineering‑led technology business that develops automated electrical test systems used ...

Intermediate Full Stack Engineer

Company Description For over 20 years, Abcam has been providing tools the scientific community needs to enable faster breakthroughs in critical areas like cancer, neurological disorders, infectious diseases, and metabolic disorders. We believe that to continue making progres ...

Senior Full Stack Engineer

Our Team: How We Enrich Everyday LifeYou’ll be joining Bauer Media Audio (BMA), Europe’s biggest commercial audio broadcaster, connecting audiences across nine markets to the music, stories and experiences they love. Bauer Media Audio is making a significant investment in a new in‑house software d ...

Full Stack Engineer (Senior)

Looking for a full stack role where you can make a positive impact on people’s lives? This is one of those rare opportunities where the projects you work on can help someone with early de ...

Senior Engineer (Full Stack)

Group OverviewThe TP ICAP Group is a world leading provider of market infrastructure.Our purpose is to provide clients with access to global financial and commodities markets, improving price discovery, liquidity, and distribution of data, through responsible and in ...

Full Stack Software Engineer

We are seeking a Senior Full Stack Engineer to play a crucial part in our team. In this full-stack role, you will be instrumental in the development and enhancement of our lending domain. Our team, spread across Europe, values your expertise to elevate our platform and deliver an exceptional experience for cl ...

Full Stack Software Engineer

About the roleAs a Full Stack Software Engineer, you will collaborate with cross-functional teams to build and scale AI-powered systems that solve unique challenges for global clients. This is an opportunity to take ownership of the entire stack, turning sophisticated machine learn ...

Senior Full Stack Engineer

Job Title: Lead Full Stack Developer/EngineerJob DescriptionThis Lead Senior Full Stack Engineer position focuses on building AI-driven, cloud-native applications using modern DevOps practices. You will play a key role in transforming how products are designed, developed, and deliv ...

Full Stack Engineer D365

Join us, be part of more. We’re so much more than an energy company. We’re a family of brands revolutionising how we power the planet. We're energisers. One team of 21,000 colleagues that's energising a greener, fairer future by creating an energy system that doesn’t rely on fossil fuels, whilst ...

Founding Full Stack Engineer

The RoleAs a Founding Full Stack Engineer, you will:Own and deliver entire features and projects end-to-end.Ship optimizations and refactors to improve system performance.Engage directly with customers to understand their needs.Build intuitive and delightful user expe ...

Full Stack Software Engineer

Full Stack Software EngineerNational Security Business Be part of a growing and highly trusted supplier into the NS domain working to deliver mission critical solutions helping to keep the nation safe, secure and prosperous.Work on leading edge technology solutions in the foll ...

Full Stack Product Engineer

Salary: £60 – 80,000 base + substantial stockSummary:Fantastic opportunity for a Product Engineer who thrives on project ownership to join a growing AI-auditing tech firm.Founded in 2023, and backed by some big-name investors, my client has built a trusted platfo ...

Full Stack Engineer Typescript

Role Overview We are looking for a Full-Stack Engineer who will play a pivotal role in shaping the technical direction of our platforms and driving engineering excellence across the organization. This is not just a coding role—it’s an opportunity to influence architecture, improve devel ...

Senior Full Stack Engineer

Job DescriptionTHE AGENCYCreative Artists Agency (CAA) is a leading entertainment and sports agency, with globalexpertisein filmed and live entertainment, digital media, publishing, sponsorship sales and endorsements, media finance, consumer investing, fashion, brand ...

Senior Engineer (Full Stack)

The TP ICAP Group is a world leading provider of market infrastructure.Our purpose is to provide clients with access to global financial and commodities markets, improving price discovery, liquidity, and distribution of data, through responsible and innovative solutions.Through our ...

Senior Full Stack Engineer

Founding Engineer | Pre-Seed Start-Up | London Tec Partners are collaborating with an AI powered deep-tech start-up revolutionising how engineering works. The company are developing a platform that can generate, test, and simulate thousands of engineering designs in a fraction of ...

Senior Full Stack Engineer

About UsAt Verisian, we build deep tech and AI solutions that enable groundbreaking medical therapies to enter the market faster and safely. New medicines and devices are judged using all available evidence in the proper context and backed by automated analyses that validate and make d ...

Full Stack Polyglot Engineer

Job Description Full Stack Polyglot Engineer — London | Up to £300k package with benefits + sharesAn early-stage, well-funded startup is looking for a Senior Full Stack Polyglot Engineer to help build the next generation of AI-driven control software.If you wa ...

Senior Full Stack Engineer

Role:                                    Senior Full Stack Engineer Location:   &nb ...

Full Stack Typescript Engineer

Senior Full-Stack Engineer – Trading Platform (TypeScript / Node.js / React)Location: Waterloo, London (Hybrid)OverviewOur client, a large enterprise, is seeking a Senior Full-Stack Engineer to join an established trading platform programme. This production-cri ...

Senior Full Stack Engineer

About us:Make a difference and advance your career by helping deliver some of the UK’s most important #tech4good projects, making the world a smarter, safer, greener, and healthier place.You’ll join a talented team of dynamic and driven professional problem solvers; creative thi ...

Senior Full Stack Engineer

Our client is a fast-growing technology company delivering innovative, enterprise-grade solutions. They are looking for a Senior Full Stack Engineer to join their dynamic engineering team and work on production-critical applications with impact.Role OverviewYou will be responsible ...

Full Stack Software Engineer

Job TitleFull Stack Software Engineer (x2)Day Rate£450/day - Inside IR35LocationRemote - Occasional LondonDuration6 months (with view to extend) ROLE DESCRIPTION< ...

Senior Full Stack Engineer

About us:<span style=font-size:11.0pt;font-family:Calibri Light,sans-serif;mso-ascii-theme-font:major-latin;mso-fare ...

Senior Full Stack Engineer

Overview At GetGround, our mission is simple: to make property investment safer, faster, and more accessible for landlords. We believe AI can reshape the landlord journey end to end — not just improving single steps, but reimagining the entire experience of property investing. The result will be ...

Senior Full Stack Engineer

Who are OnBuy? OnBuy are an online marketplace who are on a mission of being the best choice for every customer, everywhere. We have recently been named one of the UK's fastest-growing tech companies in the Sunday Times 100 Tech list. All achievements we are very proud of, but we ...

Senior Full Stack Engineer

Senior Full Stack Engineer | Series A | London | Up to £120k Are you a Senior Full Stack Engineer looking for your next challenge at a fast-paced, high-growth scale-up? My client is a consumer tech startup backed by top-tier investors and they're looking for a strong engineer to join ...

Java Full Stack Engineer

We are looking for a highly skilled Java Full Stack Developer to join our engineering team. The ideal candidate will be responsible for designing, developing, and delivering high-quality, scalable applications using modern backend and frontend technologies. You will collaborate with cross-functiona ...

🚀 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