313,721+ Full Stack Developer Reactpython Jobs in London, UK — Local Employers Hiring June 2026

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

Full stack Java Developer for Systematic & Credit Portfolio Trading Tools, Assistant Vice President

Citi is seeking a highly motivated and curious full-stack engineer work embedded within the Systematic & Credit Portfolio Trading business and build out a first-class ecosystem of trading tools. This role offers a unique opportunity for in-person collaboration with traders, quants, and product development ...

Full stack Java Developer for Systematic & Credit Portfolio Trading Tools, Assistant Vice President

Citi is seeking a highly motivated and curious full-stack engineer work embedded within the Systematic & Credit Portfolio Trading business and build out a first-class ecosystem of trading tools. This role offers a unique opportunity for in-person collaboration with traders, quants, and product development ...

Full stack Java Developer for Systematic & Credit Portfolio Trading Tools, Assistant Vice President

**_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 global markets, we bu ...

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

Who We Are Looking ForWe 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 int ...

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

Who We Are Looking ForWe 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 int ...

Java Full Stack Engineer Consultant Digital Excellence London

Java Full Stack Engineer - Consultant - Digital Excellence - London Reference Code: -en_GBContract Type:PermanentProfessional Communities: Strategy & Transformation At Capgemini Invent, we believe difference drives change. As inven ...

Senior Full Stack Engineer (GCP, Python, JavaScript) Remote

My London based client are looking for an experienced Full Stack Engineer for an initial 6 month contract to start ASAP. The position can also be fully remote. The ideal candidate will have the following experience: Google Cloud: Experience deploying and managing applications within the Google Cloud Plat ...

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 supporting ...

Lead Full Stack Engineer: Vue/React, Python & AWS

Vertus Partners is seeking an experienced Lead Full-Stack Web Developer to join their established Hedge Fund in Greater London. The role involves hands-on participation in the entire software lifecycle, including design, deployments, and continuous improvement. An ideal candidate will have strong proficiency in ...

Senior Full Stack Engineer: Real Time Data & APIs

Luxoft is seeking an experienced software developer based in Greater London to design and develop scalable software solutions. The role emphasizes automation and support for financial market data processing, focusing on C#.NET and SQL Server. The ideal candidate will possess strong experience in develo ...

Senior Full Stack Engineer Trading Platform (TS/React)

NPAworld is looking for a Senior Full-Stack Engineer to join their trading platform team in Waterloo, London. The candidate should have over 8 years of software development experience with at least 3 years in TypeScript, Node.js, and React. Responsibilities include developing features, collaborating with DevOps ...

Full Stack Engineer: Angular UI & High Performance APIs

Java Script Works in London is seeking a Full Stack Software Engineer to contribute to rendering performance and API response times. You will design and build reusable UI components using Angular and TypeScript, while helping to maintain high-performance backend systems. This full-time role offers a co ...

Founding Full Stack Engineer – Equity in Enterprise AI

A tech startup seeks a Full Stack Engineer to transform a prototype into a production-grade enterprise SaaS platform. As the first full-time engineer, you will have significant equity and work closely with an expert founding team. Key responsibilities include building a secure backend, developing a user interfac ...

Full Stack GIS Engineer — Hybrid, Public Sector Impact

Informed Solutions is seeking a Full Stack GIS Developer to engage in developing innovative digital solutions that aid complex public sector challenges. This role emphasizes collaboration and offers opportunities to work on high-profile projects while leveraging technologies like .NET, Java, Python, AWS, and ...

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

For additional information, please review .**Full Stack Engineer (Kotlin and/or Python) – VP**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 ...

Hybrid Full Stack Engineer – AI Platform + Equity (London)

SR2 REC LTD is looking for a Full Stack Software Engineer based in London to build innovative AI products. You will work in a hybrid environment with one day per week on-site, developing features across both backend and frontend. The ideal candidate has strong skills in Python and Vue.js, along with experience b ...

Staff Software Engineer, Full Stack (m/f/d)

About The Company Affinidi is a technology company dedicated to changing data ownership for good. We empower businesses and individuals with control and ownership of their data, with a comprehensive approach to managing their holistic identity – accounting for all aspects of their digital footpri ...

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 ...

Senior Frontend Engineer / Full Stack Product Engineer Energy

About the Role Our 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 ...

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

Department Overview Equities Technology at Citi is undertaking a bold, multi‑year transformation to build a best‑in‑class global platform across execution, prime, clearing and cross‑product margining. We are re‑engineering our technology estate to achieve world‑leading performance and resiliency, ...

Hybrid VP Full Stack Engineer — Equities Tech Innovator

Citi is seeking a Vice President (VP) level developer to join the Strategic Equity Solutions team in Greater London. You'll design and develop high-performance software solutions that enhance trader workflow. With a focus on collaboration, you'll work closely with business stakeholders and contribute to innov ...

AI Driven Full Stack Engineer | RAG & LLM Specialist

Proficiency in Full-Stack Development Proficiency in building modern, full-stack applications with back end development in Python, Node.js, or Java, and front end development with frameworks like React, Angular or Next.js. Experience with AI Solutions Understand and have implement ...

Remote Senior Full Stack Engineer Equity + AI Impact

Cogna, an ambitious early-stage startup in Greater London, seeks a Full-Stack Software Engineer. You will define and maintain backend architecture and APIs while developing frontend interfaces. With at least 8 years of experience, you'll thrive in a fast-paced environment, building scalable microservices using m ...

Owner First Full Stack Engineer for AI Tools

Aperture is seeking a serious engineer to own the Aperture OS codebase. This role demands end-to-end feature development, API integrations, and a strong understanding of performance marketing tools. We're a remote-first team focused on impact, allowing you to work flexibly while ensuring high-quality o ...

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 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 ...

Full Stack Engineer – Investment Platform (Hybrid, Cloud & AI)

CBSbutler Holdings Limited trading as CBSbutler is seeking a Contract Full Stack Engineer in London, on a flexible hybrid basis. This role focuses on delivering modern data-driven trading solutions, offering a competitive daily rate of £850-£1200 based on experience. You will work on investment technol ...

Senior Full Stack Engineer (Python/Vue) Hybrid, London

Oliver Bernard is seeking multiple Full-Stack Engineers to join their growing Engineering team in London. In this role, you'll take ownership of their platform end-to-end, collaborating closely with Frontend and Backend engineers, as well as Product and Design teams to enhance their web application. Ke ...

Software Engineer II Backend & Full Stack on AWS

TripAdvisor LLC in Greater London is looking for a Software Engineer II to join their dynamic team. This flexible role emphasizes back-end development, while occasional front-end projects may arise. The company operates on a remote-first basis, fostering collaboration through regular in-person meetings. < ...

Product Engineer – Full‑Stack (React/Python) with Equity

Jack & Jill is seeking a Product Engineer in London to join a high-growth startup focused on creating innovative solutions for enterprise software deployment. The role involves designing intuitive user experiences, direct user engagement, and owning the entire lifecycle of product features. Ideal candidates will ...

VP, Full Stack Engineering — Lead AI‑Driven Systems

United States Digital Space LLC is looking for a Vice President, Full Stack Engineer in London. The role involves leading high-performing engineering teams, managing software delivery, and ensuring compliance within a framework of technical excellence. The ideal candidate must have extensive Java exper ...

Full Stack Software Engineer: Build Scalable Production Apps

Oritain is seeking a Software Engineer to enhance their cloud-based platform in London. In this role, you will build backend services with Python and responsive frontends using React, collaborating closely with teams to deliver impactful features. This position offers a unique opportunity to contribute ...

Hybrid AI Driven Full Stack Engineer (TypeScript/Node.js)

Legal 500 is looking for two Full Stack Engineers to join their Web Development team in London, offering a hybrid work model. This role focuses on building and enhancing internal and client-facing platforms, utilizing TypeScript and Node.js. The successful candidate will have strong experience with bac ...

Early Stage Full Stack Engineer Build & Own Product

Jumpstart is seeking an early-stage engineer for a VC-backed startup in Greater London. You will have significant ownership over product features and technical direction, collaborating directly with founders and designers. Your role involves building scalable products and making impactful architectural ...

Remote Full Stack Engineer for Fan Engagement Platforms

A global media company based in London is looking for a Full-Stack Software Engineer to design and develop scalable fan engagement platforms. This remote position involves creating full-stack solutions and strong proficiency in React and Node.js. The ideal candidate has over 3 years of experience in development, ...

Founding Senior Full Stack Engineer, AI Agent Platform

Jack & Jill is seeking a Founding Senior Full-Stack Engineer in London to join their stealth-stage AI coordination startup. You will be the first engineering hire, working directly with founders to build the technical foundation and develop real-time agent systems that redefine modern collaboration. Th ...

Full Stack Engineer, AI Agents — Equity + Fintech Scale

Jack & Jill, a Y Combinator-backed fintech startup in London, is looking for a Full Stack Engineer to join their high-growth team. You will help build AI agents for KYC/AML workflows serving global financial institutions. The role offers ownership of key systems, working directly with leadership and a ...

AI Powered Full Stack Engineer (London, In Office)

La Fosse in London is looking for a Python Engineer to join their team. The role is focused on developing an AI-driven product that improves efficiency in the real estate sector. You'll work closely with a small but dedicated team, taking ownership of significant features from concept to production. Th ...

Full Stack Engineer: AI Driven, Data Heavy Platforms

LegalEase is looking for two Full Stack Engineers to join our Web Development team in Greater London. This is an excellent opportunity for mid-level engineers to work on data-heavy systems and AI-driven development practices. You'll be working on internal platforms and client-facing applications, utili ...

Full Stack Engineer – ESG Data Platform (Hybrid UK)

Atlas Metrics is looking for a Full Stack Engineer to join our Engineering team in London. This is a hybrid role requiring in-office work 2 days a week, primarily focused on developing core tooling for managing ESG data. You will collaborate with Product and Design teams, driving projects that enhance ...

Hands On Lead Full Stack Engineer Manager (Hybrid)

Trust In SODA is seeking a Full-Stack Engineering Manager to lead a core domain end-to-end in a seed-stage climate tech company. You'll build products with real-world consequences and directly engage with users. The role involves customer support rotations and management of a small squad after initial immersi ...

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 ...

Founding Full Stack Engineer — AI Consumer Platform (Stealth)

A cutting-edge technology startup in London is seeking a Founding Full Stack Engineer to lead the development of an AI-powered platform aimed at transforming consumer decisions. The role requires a strong background in both frontend and backend systems with a focus on product development and learning. Competitiv ...

Senior Full Stack Engineer: Data Driven APIs & Cloud

Skills and Experience Particularly strong in Kotlin or Java. Experience in designing and implementing data-driven APIs. Exposure to frontend development, especially React.js, Tailwind, REDUX, and Typescript. Past project experience with large-scale web services ...

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 .NET Full Stack Engineer Fintech, Hybrid UK

A rapidly growing payments technology company in London is seeking a Senior Full Stack .NET Engineer to enhance their team. This pivotal role involves designing cloud-native applications and integrations, with strong focus on .NET Core, Microsoft Azure, and SQL. The ideal candidate has 5+ years of experience and ...

Senior Full Stack Engineer — Lead AI Powered Applications

BlackRock, Inc. is seeking a highly skilled senior full stack engineer to join our dynamic team in Greater London. The ideal candidate will have a robust technical background in Typescript, React, NextJS, and Python, leading projects that are critical to our operations. The role involves designing high ...

Senior Full Stack Engineer – Build Next Gen Connectivity

A leading tech recruitment firm in Greater London seeks a Full Stack Engineer to join their innovative team. In this role, you will tackle end-to-end challenges, manage product aspects, and ensure the best solutions for product development using TypeScript, React, and Node.js within an AWS environment. This posi ...

Hybrid ML Ops Engineer Full Stack & Cloud Builder

A leading digital bank in the UK is seeking a Full Stack Engineer who is comfortable with both front-end and back-end development. You will work on building the tooling necessary for our engineers, as well as writing and debugging code primarily in Java and React. The hybrid work model allows flexibility, suppor ...

Senior Software Engineer Full Stack (React/ASP.NET Core)

Java Script Works is looking for a Senior Software Engineer based in London, United Kingdom. The ideal candidate should have strong knowledge of ASP.NET Core and experience with frontend frameworks such as React and Vue.js. This full-time position offers a competitive compensation package. Please note that visa ...

🚀 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

    Full Stack Developer Reactpython Jobs in London Job Search Guide, Trends and Insights