Senior Full Stack Developer React Python 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

.NET Developer

.NET Developer, .NET 9, C# - Consultancy - Stevenage (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, Web API 2, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect) Our client is an award-winning Microsoft ...

Senior Software Engineer — Backend & Full‑Stack (Django/AWS)

A fast-growing B2B tech company based in London is seeking a hands-on Senior Software Engineer. You will drive the technical and product evolution and work on building full-stack solutions, integrating with external systems, and collaborating with diverse teams. The ideal candidate should have strong experience ...

Senior Full Stack Engineer — AI/LLM, Remote UK

A tech-driven startup in the UK is seeking a Senior Full-Stack Engineer to spearhead the development of LLM-powered products in marketing technology. You will lead architecture design, conduct code reviews, and collaborate with cross-functional teams. The ideal candidate has 5+ years of full-stack experience, st ...

Senior Full Stack Engineer Remote (PHP/Symfony + Angular)

A high-growth B2B SaaS company is seeking a Senior Full Stack Engineer with expertise in PHP and Symfony. This fully remote role involves building and maintaining APIs, contributing to front-end development with Angular, and mentoring other team members. Candidates should have strong communication skills and a p ...

Senior Full‑Stack Engineer — Health Tech Shop/Ecosystem

A digital health company in the UK is looking for a Senior Fullstack Engineer to build features for Juniper and its expanding ecosystem. This role involves using React and Go/Node.js, alongside cross-functional collaboration. Candidates should have strong frontend skills and backend development experience. Join ...

Senior Full Stack Engineer — FinTech Builder, Stock Options

A dynamic tech company in the UK is seeking a full-stack engineer with at least 5 years of experience to work on backend and mobile/web applications. The role involves developing new features and integrations in a fast-paced setting. Candidates should be excited about innovation and possess strong problem-solvin ...

Senior Full Stack Engineer – Build Scalable Web Apps

An innovative opportunity awaits you at a thriving company, where you'll join a cohesive team dedicated to developing and enhancing applications used by millions. As a full stack developer, you'll work with cutting-edge technologies, including AWS and NodeJS, while focusing on user experience. This role offers s ...

Senior Full Stack Engineer Space Mission Control (Hybrid)

A leading company in space software development is seeking a Senior Full Stack Software Engineer to join their Ground Segment Software team. The role involves designing and maintaining mission-critical software for satellite operations. Ideal candidates will have 5+ years in software development and proficiency ...

Hybrid Full Stack Engineer (Mid‑Senior, Part‑Time)

A professional services firm in the United Kingdom is seeking a Software Engineer to join their growing team. In this role, you will design and develop software solutions, translating business needs into technical requirements. Ideal candidates have strong coding skills in C# and Angular (preferred), along with ...

Senior Full Stack Engineer, AI Driven Martech (Remote)

A cutting-edge marketing technology startup in the United Kingdom seeks a Senior Full-Stack Engineer to spearhead the development of LLM-powered products. You will lead application architecture and collaborate with cross-functional teams to create innovative AI-driven solutions. The ideal candidate has over 5 ye ...

Senior Full Stack AI Engineer Cloud Native & Secure

Salt is looking for a skilled engineer to develop high-quality AI products within a rapidly growing consultancy in the United Kingdom. In this role, you'll design secure and scalable cloud-native applications, collaborate directly with industry leaders, and shape architectural standards. The position emphasizes ...

GenAI Driven Full Stack Engineer — Hybrid UK

A global leader in animal health is seeking a Full-stack Engineer to deliver AI solutions and innovate within a diverse engineering team. Responsibilities include supporting stable, secure software and advancing the technology stack using Python and React. Candidates should have a solid background delivering sof ...

Senior Full Stack Engineer Hybrid (UK) | Platform & ML

An established insurance organization in the UK is seeking a Senior Software Engineer to design, build, and maintain scalable software systems. The role involves hands-on development and technical leadership, mentoring junior engineers, and contributing to architecture and best practices. This position requires ...

Graduate .NET Developer

Graduate .NET Developer – Investment Bank – London (Tech stack: Graduate .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Blazor, JavaScript, React, Microservices, Azure, ASP.NET Core Web API, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, Graduate .NET Developer) Our client ...

Graduate .NET Developer

Job Description Be one of the first applicants, read the complete overview of the role below, then send your application for consideration.Graduate .NET Developer - Investment Bank - London (Tech stack: Graduate .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Blazor, JavaScript, React, M ...

Senior AI Ops Engineer (Golang/Python)

A leading media company in the UK is looking for a Senior Developer to design and build an AI Operations platform. You will work on full-stack software solutions using Golang and Python, develop cloud-native systems on AWS, and enhance automation capabilities. The ideal candidate has strong experience in softwar ...

.NET Developer

.NET Developer, .NET 9, C# - Consultancy - Bangor (Tech stack: .NET Developer, .NET 9, ASP.NET, C#, React, Angular 19, Microservices, Vue.js, TypeScript, Azure, Web API 2, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is an award-winni ...

Full Stack Engineer / Technical Lead B2B SaaS

Full Stack Engineer / Technical Lead (Ruby TypeScript React) London / Remote – up to £130k. Opportunity for a full stack technologist to join a highly regarded provider of serverless real‑time infrastructure for the Internet that processes billions of messages a day and powers everything ...

Senior Software Developer

Role: Senior Software DeveloperLocation: Bury St Edmunds (Hybrid)Salary: Competitive DOEI'm working with a UK-based infrastructure organisation at the forefront of innovation and sustainability, seeking a Senior Software Developer. This is an exciting opportunity to play a key role in des ...

Frontend Developer

Junior Front End Developer | HealthTech Scale-up | React, JavaScript | Remote-First (UK) If your skills, experience, and qualifications match those in this job overview, do not delay your application. Up to £35,000 depending on experience. Remote-first (with the ...

Senior Backend Python Engineer for Scalable ML Platform

A fast-growing educational technology startup in London is seeking a Senior Back end Python Developer to help build scalable, ML-driven learning systems. You will leverage a modern tech stack, including Python, AWS, Docker, and Terraform, to design high-scale applications that serve millions of users. Collaborat ...

Senior Full Stack Cloud Native Developer (OTC Team), Charles River Development, Assistant Vice [...]

Who We Are Looking For We are seeking a full‑stack, cloud‑native engineer to enhance and maintain our Enhanced OTC Module. This includes building a modern JavaScript front end and a Java‑based backend deployed on Azure Cloud. You will also support both customer‑facing and internal teams t ...

Senior Frontend Engineer / Full Stack Product Engineer Energy

About the RoleOur client is hiring a Frontend Engineer / Full Stack Product Engineer to help build the software that their customers interact with directly, as they continue to scale their product and technology function. We have already recruited 3 individuals to the company and are pleased to be suppor ...

Senior Full Stack Engineer – Enterprise AI Systems, Equity

A cutting-edge technology company based in the UK is seeking a Senior / Lead Fullstack Engineer to create innovative systems within global enterprises. In this role, you will be designing production-grade systems that handle complex, unstructured data, while taking full ownership of your projects. If you thrive ...

Senior Full Stack Engineer AI Powered Wellness Platform

A healthtech SaaS startup in London is seeking a Full Stack Software Engineer to help shape a B2B2C platform focused on stress reduction and resilience. The role requires extensive experience in developing solutions using React, Python, and Django. The ideal candidate should have a strong interest in wellbeing t ...

Senior Full Stack Software Engineer (SaaS Platform) Pathogen

Senior Full Stack Software Engineer (SaaS Platform) – Pathogen At the Ellison Institute of Technology (EIT), we are on a mission to translate scientific discovery into real world impact. We bring together visionary scientists, technologists, policy makers, and entrepreneurs to tackle humanity's g ...

Senior Full Stack Engineer – Remote Ready Vinyl Tech

A leading technology company in Greater London is looking for a Senior Full Stack Engineer to transform the music industry. In this role, you will leverage your PHP and JavaScript/TypeScript expertise to develop APIs and backend services. Collaborating with cross-functional teams, you will create reliable and sc ...

Senior .NET Full Stack Engineer (Angular/Azure) Hybrid

A UK technology recruitment agency is seeking a Senior Full Stack .NET Developer with extensive experience in .NET and C#. This contract position requires collaboration with internal teams and working on Azure projects in a hybrid setup in Brighton. Ideal candidates will have a strong background in automation te ...

Senior Full Stack Engineer — Hands On Leader, Flexible

A tech company in Greater London seeks a Principal Full-Stack Engineer with over 15 years of experience in building complex web applications. The ideal candidate will be an expert in PHP and modern JavaScript frameworks. Responsibilities include managing engineering problems, refactoring codebases, and participa ...

Senior Full Stack Engineer (Remote) Scalable APIs & UI

A leading recruitment agency is seeking a Senior Full Stack Engineer for a 12-month remote contract. The ideal candidate has at least 4 years of experience in Python and Flask, along with a strong grasp of SQL databases. Responsibilities include architecting backend services and building responsive front-end int ...

Senior Full Stack JS Engineer: Modernize & Scale Apps

A growing digital products company in the UK is looking for a Principal Full Stack JavaScript Engineer. This role involves breaking down monolithic systems into modern components, collaborating with senior engineers, and supporting a transition to Google Cloud. Ideal candidates will have strong full-stack experi ...

Hybrid Senior Frontend/Full Stack Engineer (Vue/Node)

A technology company in the United Kingdom is seeking a Front-End Developer to create and maintain scalable applications using Vue.js and backend services using Node.js. The role requires proficiency in MySQL and CSS frameworks, commitment to producing accessible and high-performance user interfaces, and the abi ...

Senior Full Stack Engineer Remote, Greenfield AI Platform

A UK-based deeptech start-up is seeking a Senior Full Stack Engineer to join their founding team. This role involves working remotely, influencing the company's culture and software engineering practices, and shaping the architecture of a multi-cloud platform used globally by AI researchers. The ideal candidate ...

Senior Full Stack Engineer (Java/AWS) Flexible & Hybrid

A leading software consultancy is seeking a Full Stack Software Engineer for its Cheltenham office. The role involves implementing software solutions and utilizing a range of technologies, including Java and AWS, within an Agile team. All candidates must hold a British passport and have resided in the UK for the ...

Senior Java Full Stack Engineer Hybrid, Career Coach

A leading software consultancy in Bristol is seeking a Full Stack Software Engineer with strong Java and AWS experience. You will implement and manage software solutions while leading teams to deliver high-quality systems for clients. The role offers a mix of working in modern city-centre offices and from home, ...

Senior Full Stack Engineer — Build Scalable AI Infra

A leading AI infrastructure provider in Greater London is seeking an experienced engineer to enhance platform performance and reliability. The role offers high autonomy and the chance to work with a talented team on impactful projects. Candidates should have skills in Python and Typescript, among others. The com ...

Senior Full Stack Engineer – AI EdTech, Flexible Work

A technology recruitment agency is seeking an experienced Full Stack Developer to join an AI company in Essex, involved in impactful projects for educational institutions. This role requires at least 3 years' experience in software development, offering a salary up to £100,000, flexible working options, and 3 da ...

Senior Full Stack Tech Lead — Remote, High Impact

A technology startup is seeking a Foundational Engineering Leader to own their technology stack. The role involves driving the technical roadmap, managing a high-performing team, and being a cornerstone of a mission-driven company shaping technology to better communities. A minimum of 5 years in engineering lead ...

Senior Full Stack Engineer — AI Powered Video Editor

A leading video editing platform seeks a skilled developer to enhance their core video editing functionalities. You will be responsible for developing intuitive features, optimizing performance, and integrating AI capabilities. Ideal candidates should have strong TypeScript skills, experience with modern web tec ...

Senior Java Full Stack Engineer – Secure, Scalable FinTech

A leading financial services firm is looking for a Software Engineer III in Bournemouth, responsible for designing and delivering innovative technology products. The successful candidate will have extensive experience in software development, especially using Java and Spring Boot, and knowledge of AWS services. ...

Senior Full Stack Engineer AI Driven, Remote UK

A rapidly growing tech company in Manchester seeks a Senior Engineer to join their high-performance team. Responsibilities include full-stack feature ownership using TypeScript, React, and Node.js, with a focus on AI-assisted development and product impact. Ideal candidates have experience in SaaS environments a ...

Senior Full Stack Engineer Payments Platform (Node/Angular)

A fintech scaleup is looking for a Full Stack Software Engineer skilled in Node.js and Angular to join their team in Manchester. In this mid-senior level role, you will develop robust backend services, design APIs, and manage databases to enhance payment processes. This position emphasizes collaboration with cro ...

Senior Lead Full Stack Engineer Cloud & AI Platform

A leading financial services firm in Greater London is looking for a Senior Lead Software Engineer to join an agile team dedicated to delivering high-quality technology products. This role requires expertise in full stack development, particularly in React and TypeScript, as well as experience in cloud environme ...

Senior Full Stack Engineer Cloud Native DevOps (Contract)

A leading technology staffing firm in the UK is seeking a Senior Full Stack Engineer to join their engineering team on a contract basis. This pivotal role focuses on transforming application development through automation and cloud-native practices. Ideal candidates will have extensive experience with modern Dev ...

Senior Full Stack Engineer .NET/C#, Azure & ElasticSearch

A leading legal AI company in the UK is seeking a Senior Full-Stack Software Engineer to develop features for an innovative management platform. The role requires expertise in C#, .NET, and SQL, with a focus on collaborating and solving complex problems. Candidates should possess at least 5 years of software eng ...

Senior Full Stack Engineer (TypeScript/Node) – Equity & PTO

A market-leading SaaS company based in Bristol seeks an enthusiastic developer to join their team. This role involves developing new features, maintaining and improving cloud infrastructure, and providing client support. Candidates should have proficiency in Node.js, React, and Typescript. The company offers num ...

Senior Full Stack Software Engineer Series A FinTech

Senior Full Stack Software Engineer - Series A FinTech Bondaval City Of London, England, United Kingdom This role is offered by Bondaval. Your actual pay will be based on your skills and experience – talk with your recruiter to learn more. Senior Full Stack Engineer / Technical L ...

Senior Lead Full Stack Engineer Cloud & AI UI

A leading global financial services firm in the United Kingdom is looking for a Senior Lead Software Engineer. You will join an agile team dedicated to building top-notch technology products that enhance business decisions. The role requires significant expertise in full stack development, especially with React ...

Senior Full Stack Engineer Hybrid London, Impact & Growth

A leading technology-driven food delivery company is seeking a Senior Software Engineer to work in a hybrid environment. You will contribute to multiple teams and lead technical execution while collaborating with other engineering teams. The ideal candidate should have experience with web-based applications and ...

Senior Full Stack Engineer — Lead Frontend/Backend (Hybrid)

A digital comparison service company in Greater London seeks a Senior Full Stack Engineer to enhance their technology platform. In this role, you will manage both front-end and back-end development, ensuring scalability and performance while mentoring other developers. Ideal candidates will have expertise in Jav ...

🚀 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

    Senior Full Stack Developer React Python Jobs in United Kingdom Job Search Guide, Trends and Insights