Senior React Developer Reactjavascript 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

Product Minded Senior Engineer Hybrid, Equity

Oliver Bernard is partnering with a rapidly growing SaaS startup in Greater London looking for product-minded engineers. The role requires experience in a fast-paced environment, and a strong technical background in Go, TypeScript, and React is preferred. This hybrid position allows for three days a week in the ...

Founding Product Engineer for AI Legal Platform, Equity

Jack & Jill is seeking a Product Engineer to join their founding team at an AI-native law firm in London. This role offers a unique opportunity to disrupt the legal services market by building sophisticated client platforms and deploying AI agents for legal document reviews. The ideal candidate has over 3 years ...

Software engineer, frontend (UK) in London Writer

Required Skills You’ll need solid knowledge of JavaScript and TypeScript, HTML, and CSS. We’re also looking for strength in with Mobx, React, and Redux. Responsibilities You’ll be our resident expert on frontend best practices and be a player/coach with the rest of the frontend tea ...

Mid Level PHP & CMS Web Developer WordPress/Drupal + JS

Four Cymru, located in Sheffield, is seeking a creative problem solver to join their technology team. The ideal candidate will have at least two years of development experience, strong skills in PHP, WordPress, and Drupal, and familiarity with modern technologies like React and JavaScript. The role involves coll ...

D365 & Power Platform Technical Lead

Genomics England is looking for a technical lead for Microsoft Dynamics 365 and the Power Platform. As a lead, you will oversee the design, development, and support of custom applications. The role involves collaboration with product managers and stakeholders, ensuring alignment with technical requirements. Idea ...

AI Driven Product Engineer for Real Estate Tech (Hybrid)

Orbital is seeking a passionate individual to join our Engineering team in London, focusing on developing AI solutions for commercial real estate law. The role involves building modern web applications while influencing technical decisions and the product direction. Ideal candidates will have experience in React ...

Senior Java Architect: GenAI & Cloud Native Solutions

Multinational Company is seeking a Full Stack Architect in Greater London who possesses strong expertise in Java SpringBoot and React, alongside hands-on experience in building and deploying GenAI solutions on AWS. This role focuses on leading architecture design, driving scalable cloud-native solutions, and int ...

Senior Full Stack Engineer — London Hybrid (Scale Up)

RevTech is looking for an experienced backend engineer to design and build scalable backend systems for a purpose-driven digital platform. The role involves translating ideas into well-architected features, while ensuring high-quality code and performance. Ideal candidates have over 5 years of backend or full st ...

Strategic Data & Analytics Lead

Barclays is hiring a Technical Data Lead in London to enable data-driven strategic decision-making across the organization. The successful candidate will be skilled in full stack development with Angular, React, Typescript, or Node.js, and will analyze large datasets to extract actionable insights. This role inv ...

Hybrid Full Stack Engineer for Avios App

IAG Loyalty is seeking a Full Stack Engineer in London to enhance the Avios App. This role involves building features across mobile and backend systems, working with React Native and .NET/C#. Applicants should have strong experience in one area and familiarity in the other, alongside excellent communication skil ...

AI First Full Stack Engineer for Autonomous Agents

TopTek Talent is seeking a Full Stack Software Engineer specializing in AI, based in London with a hybrid work model. You will play a pivotal role in transitioning the platform architecture to an AI-first approach, building autonomous agents and managing full-stack execution with a focus on Python and React. The ...

Senior Software Engineer Expansion (Hybrid, UK, AWS)

Flock is seeking a Fullstack Engineer to join their Expansion Team in Greater London. This role involves owning the full process from design to deployment, working with AWS services to enhance the platform for fleet insurance. Candidates should have expert-level experience in TypeScript and AWS, along with knowl ...

Lead Software Engineer AI Driven FinTech (Hybrid London)

RVU Co UK is looking for a Lead Software Engineer to join their Engineering department in London. This hybrid role combines a focus on technical expertise with leadership responsibilities. You will contribute across the full stack and work closely with cross-functional teams, leveraging your experience in Typesc ...

Product Engineer Full Stack AI Driven Fintech (Equity)

Jack & Jill, a VC-backed fintech SaaS startup in London, seeks a Product Engineer to architect full-stack software for automated decision-making. The ideal candidate will have professional experience with React and Node.js, a product-focused mindset, and excel in a fast-paced startup environment. This role offer ...

Full‑Stack Cloud Engineer – Azure/.NET SaaS

NUS Consulting Group in Redhill is seeking a Full Time Software Engineer to join their technical team. This role involves building and maintaining SaaS products using Azure, .NET, React, and SQL. The successful candidate will work on creating infrastructure as code, enhancing server performance, and managing leg ...

Senior Full Stack Python/Django Engineer (Remote)

Mongoose Gray is seeking a Full Stack Engineer to work in a fast-paced software environment in Greater London. The role offers a salary of £90,000 per year with benefits and remote working options. Responsibilities include developing front-end solutions with React and Typescript, building scalable back-end syste ...

Engineering Manager, Mortgages — Lead 1–2 Teams (Java/AWS)

Paritas Recruitment is seeking an Engineering Manager for a Tier 1 bank in Manchester. In this role, you will lead 1-2 teams of software engineers within the mortgages division. Becoming successful in this position will require strong leadership skills, with previous experience in a large retail banking environm ...

Principal Tech Lead — Greenfield Platform Delivery

RSSB is looking for a Principal Technical Lead in Greater London to drive the technical delivery of a new greenfield platform. You will oversee the team to ensure quality and adherence to engineering standards while collaborating with product stakeholders. The ideal candidate has extensive experience in technolo ...

Senior Project Manager: Live Healthcare Fit Out

React Site Solutions is looking for an experienced Project Manager to lead healthcare facility projects in the UK. The influential role requires overseeing all stages from pre-construction to commissioning, with extensive responsibilities in coordination and compliance within a live operational environment. Idea ...

Python/Django Engineer for Environmental Monitoring (London)

Java Script Works is looking for a Software Engineer specializing in Environmental Monitoring in London. The role involves developing apps across the full tech stack from concept to delivery. Candidates should have experience with Python and Django, along with front-end skills using frameworks like React and ...

Frontend Engineer — Real Time GIS Dashboards & Field UX

Arctic Research and Development in Cirencester is seeking a Frontend Software Engineer to architect user interfaces for their Arctic OS. The role involves collaborating with backend and hardware engineers to create intuitive experiences that seamlessly interact with data-rich environments. Candidates s ...

London Full Stack Engineer — Build Scalable, Impactful Apps

Blink - The Employee App in London is seeking a Full Stack Engineer to join their rapid delivery team. You will design, develop, and maintain applications using TypeScript, Node.js, and React, contributing to a platform that enhances employee engagement. The ideal candidate should thrive in a fast-pace ...

Staff Web Platform Engineer — Lead Tooling & DX

Marks & Spencer Plc in City of Westminster is looking for a Staff Software Engineer to lead the Web Platform team. You will design tooling and pipelines for their web engineers, ensuring high-quality production code and strong technical standards. The right candidate will have deep experience in React, ...

Ruby on Rails Development Manager — Hands On Lead (Remote)

Standard 8 is seeking a Development Manager specializing in Ruby on Rails, located in Crawley, UK. This hybrid position allows for hands-on engineering alongside team leadership. You'll contribute to product development while ensuring the team's efficiency and adherence to engineering standards. Ideal ...

Remote UI Engineer: Mockups & Data Driven Interfaces

Centric Software is looking for a highly skilled UI Engineer specializing in mockups and wireframes to join their remote team. The successful candidate will convert design concepts into visually appealing and functional user interfaces, utilizing expertise in TypeScript, React, and TailwindCSS. The rol ...

IoT Focused Full Stack Engineer: AWS & GraphQL, Equity

Jack & Jill, an IoT climate-tech startup in London, is seeking a Full-stack Engineer to join their small, impactful team. The role involves leading a platform migration to AWS/Postgres and building reliable data pipelines for real-time IoT telemetry. Ideal candidates will have 3-5 years of experience in Python a ...

AI Creative Tools Forward Deployed Engineer

Customuse Ltd is seeking a Forward-Deployed Engineer to work closely with customers and enhance creative workflows using AI tools. You will build integrations and rapidly iterate on AI workflows for image, video, and 3D asset creation. The role requires strong technical skills in TypeScript, JavaScript, React, a ...

Platform Tech Lead: Greenfield Delivery & Architecture

Rail Safety and Standards Board Limited is seeking an experienced Principal Technical Lead to drive the technical delivery of a new industry services platform. This role involves making confident technical decisions and guiding a multidisciplinary team to build a complex system. The position requires e ...

.NET Software Engineer – Hybrid, Cloud & Trading Platforms

A global market leader in financial technology is hiring mid-level .NET Software Developers in Belfast. This hybrid role involves developing and maintaining complex trading systems and cloud-native solutions. Ideal candidates will have strong experience in C# (.NET Core), knowledge of modern frontend frameworks ...

Senior Full Stack Engineer API, Cloud & AWS

A technology company in Salford is seeking a Full Stack Engineer to join their team on the award-winning Investcentre platform. The ideal candidate should have 3-4 years of experience with C#, .NET Core, and web development frameworks like Angular, React, or Vue.js. Responsibilities include designing and deliver ...

Remote Fullstack Engineer Equity & Growth

Thirdfort Limited is seeking a Fullstack Software Engineer to join their remote team in the UK, focusing on building scalable systems to combat fraud. Candidates should have experience in backend and frontend development, particularly with Go, TypeScript, or React. The position offers up to £70k base salary, fle ...

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 ...

AI Agent Evaluation Engineer

Mindrift is offering an opportunity for experienced developers and software engineers to evaluate AI coding agents through project-based work. Contributors will create challenging tasks in simulated environments, requiring strong Python skills and an understanding of software development practices. Ideal candida ...

Founding Engineer: Build AI Driven Workflows

Cubiq Recruitment is seeking a Founding Engineer in Greater London to build a core product from the ground up. You will design systems for complex workflows, take ownership across the stack, and engage directly with users to enhance product usability. Ideal candidates have strong backgrounds in product-focused o ...

Real Time Frontend Engineer for Autonomous Systems — Equity Eligible

Anduril Industries is looking for a Frontend Engineer for the Maneuver Dominance team in Greater London. The role involves designing real-time, map-based command interfaces for autonomous systems. Candidates should have 4+ years of experience with modern web technologies like TypeScript and React, a strong UX se ...

Full Stack Engineer for AI Energy Platform (Hybrid UK)

Hypercube Consulting, a UK-based data and AI startup located in Glasgow, is seeking a full-stack Software Engineer. This role focuses on building and delivering scalable software solutions for the energy sector, collaborating with a talented team, and engaging in community outreach. Ideal candidates will have ex ...

AI Software Engineer — End to End Product Builder (Hybrid)

SRG is seeking an AI Software Engineer to join their innovative Electronic Engineering team in Sedgefield. In this hybrid role, you will design and develop software products from concept to production, working closely with hardware engineers. You will need experience in full-stack development, particularly with ...

Engineering Manager: Lead Scalable Web & Cloud Teams

Marks and Spencer is looking for a Software Engineering Manager in London to lead a passionate team of developers in creating and maintaining high-quality software solutions. You will be responsible for overseeing project delivery, establishing quality standards, and providing technical leadership. Candidates sh ...

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 ...

Engineering Manager (Hands On, Hybrid, AI DAM)

R3vamp is seeking a Software Engineering Manager in Greater London. This hybrid role involves leading a team of 6 developers while remaining hands-on in software development. Candidates should have over 10 years of experience, with strong skills in Python, Django, React, and AWS. The position offers a competitiv ...

Senior Software Engineer Expansion (Hybrid, UK, AWS)

Flock is seeking a Fullstack Engineer to join their Expansion Team in Greater London. This role involves owning the full process from design to deployment, working with AWS services to enhance the platform for fleet insurance. Candidates should have expert-level experience in TypeScript and AWS, along with knowl ...

Staff Fullstack Engineer Real Time Web & 3D Visualization

Wayve is seeking a Staff Fullstack Software Engineer to lead the technical direction of their in-vehicle web experience in London. You will manage a high-impact product used in live vehicle operations, working with advanced AI solutions. The ideal candidate has proven experience in leading software sys ...

Senior Software Engineer for Global Expansion & SPA Apps

WorksHub is seeking talented problem solvers to join our team and help expand the global utilization of Dentally. Ideal candidates should be proficient in developing web applications with an object-oriented language, preferably Ruby, and have a strong grasp of Ruby on Rails, JavaScript, HTML, and CSS. ...

Growth Engineer: End to End CRO & Experimentation Leader

twentyAI in Greater London is seeking a Growth Engineer to own the full marketing layer, from landing pages to experimentation infrastructure. This role involves designing and executing multivariate experiments to drive conversion, collaborating closely with marketing teams, and utilizing a tech stack that inclu ...

Lead Software Engineer — AI for FinTech (Hybrid, London)

money.co.uk is hiring a Lead or Staff Software Engineer to join the Engineering department. This hybrid role requires developing scalable applications and working across the full stack, utilizing technologies such as TypeScript, React, and Node. Responsibilities include building accessible components, working wi ...

Senior JS & AI Training Auditor (Remote)

Prolific Academic Ltd is offering a remote position for a skilled individual to audit AI-generated algorithmic solutions. The ideal candidate will possess a BS, MS, or PhD in Computer Science or a related technical field, with deep domain knowledge in JavaScript, React, Node.js, and modern coding practices. Resp ...

Senior Full Stack Engineer — AI & Client Apps

Nile, a strategic design consultancy based in the UK, is looking for a Lead Engineer responsible for designing and maintaining internal and client-facing applications. This hands-on role requires expertise in full-stack development, particularly in React or Next.js and strong back-end skills using Node.js or Pyt ...

Principal Software Engineer SC Eligible | Lead Architect

Appvia in London is seeking a Principal Software Engineer to provide technical leadership in modern software systems. The role involves collaboration with delivery managers and engineers to enhance engineering standards and practices. Candidates should have substantial experience in Domain Driven Design and micr ...

Vice President, Java Full Stack & AI Driven Platform

BNY is looking for a Vice President - Java Full Stack Engineer with AI-driven development experience to join their Conventional Trust Platform team in Manchester. The role involves defining technology strategies, leading enhancements, and ensuring quality in application design across platforms. Candidates should ...

Senior Fullstack Engineer II — Server Driven UI

Wise is seeking a Full Stack Engineer to support the Dynamic Flow team in building high-quality cross-platform features. This role involves contributing to an in-house server driven UI framework and collaborating with product engineering teams. The ideal candidate will have hands-on experience with 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 React Developer Reactjavascript Jobs in United Kingdom Job Search Guide, Trends and Insights