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

Full Stack Developer Placement Programme

*Please note this is a training programme with career placement and fees apply*If you are looking to progress a career in computer programming or web development, then this training and placement programme is made for you?Skills shortages in the IT sector are driving the need for qualified, entry ...

Full Stack Developer Placement Programme

*Please note this is a training programme with career placement and fees apply*If you are looking to progress a career in computer programming or web development, then this training and placement programme is made for you?Skills shortages in the IT sector are driving the need for qualified, entry ...

Full Stack Developer Placement Programme

*Please note this is a training programme with career placement and fees apply*If you are looking to progress a career in computer programming or web development, then this training and placement programme is made for you?Skills shortages in the IT sector are driving the need for qualified, entry ...

Full Stack Developer Placement Programme

*Please note this is a training programme with career placement and fees apply*If you are looking to progress a career in computer programming or web development, then this training and placement programme is made for you?Skills shortages in the IT sector are driving the need for qualified, entry ...

Full Stack Developer Placement Programme

*Please note this is a training programme with career placement and fees apply*If you are looking to progress a career in computer programming or web development, then this training and placement programme is made for you?Skills shortages in the IT sector are driving the need for qualified, entry ...

Full Stack Developer Placement Programme

*Please note this is a training programme with career placement and fees apply*If you are looking to progress a career in computer programming or web development, then this training and placement programme is made for you?Skills shortages in the IT sector are driving the need for qualified, entry ...

Full Stack Developer Placement Programme

*Please note this is a training programme with career placement and fees apply*If you are looking to progress a career in computer programming or web development, then this training and placement programme is made for you?Skills shortages in the IT sector are driving the need for qualified, entry ...

Full Stack Developer Placement Programme

*Please note this is a training programme with career placement and fees apply*If you are looking to progress a career in computer programming or web development, then this training and placement programme is made for you?Skills shortages in the IT sector are driving the need for qualified, entry ...

Full Stack Developer Placement Programme

*Please note this is a training programme with career placement and fees apply*If you are looking to progress a career in computer programming or web development, then this training and placement programme is made for you?Skills shortages in the IT sector are driving the need for qualified, entry ...

Full Stack Developer Placement Programme

*Please note this is a training programme with career placement and fees apply*If you are looking to progress a career in computer programming or web development, then this training and placement programme is made for you?Skills shortages in the IT sector are driving the need for qualified, entry ...

Full Stack Developer Placement Programme

*Please note this is a training programme with career placement and fees apply*If you are looking to progress a career in computer programming or web development, then this training and placement programme is made for you?Skills shortages in the IT sector are driving the need for qualified, entry ...

Full Stack Developer Placement Programme

*Please note this is a training programme with career placement and fees apply*If you are looking to progress a career in computer programming or web development, then this training and placement programme is made for you?Skills shortages in the IT sector are driving the need for qualified, entry ...

Full Stack Developer Placement Programme

*Please note this is a training programme with career placement and fees apply*If you are looking to progress a career in computer programming or web development, then this training and placement programme is made for you?Skills shortages in the IT sector are driving the need for qualified, entry ...

Full Stack Developer Placement Programme

*Please note this is a training programme with career placement and fees apply*If you are looking to progress a career in computer programming or web development, then this training and placement programme is made for you?Skills shortages in the IT sector are driving the need for qualified, entry ...

Full Stack Developer Placement Programme

*Please note this is a training programme with career placement and fees apply*If you are looking to progress a career in computer programming or web development, then this training and placement programme is made for you?Skills shortages in the IT sector are driving the need for qualified, entry ...

Full Stack Developer Placement Programme

*Please note this is a training programme with career placement and fees apply*If you are looking to progress a career in computer programming or web development, then this training and placement programme is made for you?Skills shortages in the IT sector are driving the need for qualified, entry ...

Full Stack Developer Placement Programme

*Please note this is a training programme with career placement and fees apply*If you are looking to progress a career in computer programming or web development, then this training and placement programme is made for you?Skills shortages in the IT sector are driving the need for qualified, entry ...

Contract Applications Developer (C++ & QT)

Job Title: Contract Applications Developer – C++ / Qt Location: Colchester Rate: £55 - £60 per hour (indicative, outside IR35) Contract Length: 3–6 months Working Arrangements: Primarily on-site, with some flexibility depending on project phase Overview An established technology company b ...

Back End Developer (DV Cleared)

DV Cleared Backend DeveloperLocation: UK WideClearance: DV clearance requiredSector: Defence & National SecurityRole SummaryOur client is seeking DV cleared Backend Developers to support high impact Defence and Security programmes. You will design, build and operate se ...

Machine Learning Developer Quant Strategies

Machine Learning Developer - Quant StrategiesAn exciting position has become available with an innovative investor who is looking for a Machine Learning Developer to focus on quantitative strategies and research. This exciting new role will give the Machine Learning Developer an opportunity to wo ...

Web Developer Front End Django

Front End Django Web Developer Salary: £50,000 Location: Chesterton Mill offices Working pattern: Hybrid, 3 days in office We are hiring a Front End Django Web Developer to join a growing, mission‑led technology company with a strong Tech4Good mindset. This is a growth hire, not a replacement, joinin ...

Product Developer/Garment Technologist Sportswear

We have an exciting opportunity available for a Product Developer / Garment Technologist to join our growing team. Due to the rapid growth of the business and the desire to stay ahead of competition, we are looking to enhance the overall technical aspects of our product.The ideal candidate will be able t ...

Field Based Business Developer Skelton

Our Field Based Business Developer is a crucial role within our growing business. In this Hybrid role you will work to both open new accounts and build lasting relationships with existing account holders. There will be a daily necessity to build strong relationships with both existing and potential new account ...

Lead BI Developer / Analyst – Home

Lead BI Developer / Analyst – HomeA famous midlands client and leading employer, my client boasts undoubted pedigree and a strong reputation.The sector continues to evolve, so they continue to invest heavily in IT transformation programmes, with Business Intelligence (BI) and Management Informati ...

Machine Learning Developer Quant Strategies

Machine Learning Developer - Quant StrategiesAn exciting position has become available with an innovative investor who is looking for a Machine Learning Developer to focus on quantitative strategies and research. This exciting new role will give the Machine Learning Developer an opportunity to wo ...

Web Developer Front End Django

Front End Django Web Developer Salary: £50,000 Location: Chesterton Mill offices Working pattern: Hybrid, 3 days in office We are hiring a Front End Django Web Developer to join a growing, mission‑led technology company with a strong Tech4Good mindset. This is a growth hire, not a replacement, joinin ...

C# .Net Developer Nottingham/Hybrid

C# .Net Developer - Nottingham/Hybrid£30,000 - £40,000 plus benefitsDue to ongoing expansion our client is now seeking a C# / .NET Developer to join a busy development environment working on the latest ecommerce, content management and e-learning projects.The successful candidate will be ...

C# .NET Developer (Azure) Sheffield

C# .NET Developer (Azure) - SheffieldOur client based in Sheffield is looking for a skilled C# .NET Developer to join a small, collaborative engineering team working on modern cloud-based applications. This is a hands-on development role where you will contribute across the full software lifecycle, inclu ...

Field Based Business Developer Skelton

Our Field Based Business Developer is a crucial role within our growing business. In this Hybrid role you will work to both open new accounts and build lasting relationships with existing account holders. There will be a daily necessity to build strong relationships with both existing and potential new account ...

Product Developer/Garment Technologist Sportswear

We have an exciting opportunity available for a Product Developer / Garment Technologist to join our growing team. Due to the rapid growth of the business and the desire to stay ahead of competition, we are looking to enhance the overall technical aspects of our product.The ideal candidate will be able t ...

Booking and Messaging Java Developer

Java Backend Developer (Booking & Messaging)Rate: £625/day (Inside IR35) | Duration: 6 Months | Location: London (Hybrid)The RoleJoin a high-performance eBond Booking and Messaging team managing a complex trading platform. You will build and adapt trading workflows , ensuring seamless ...

Full Stack Developer (.NET / C#)

Full Stack Developer (.NET / C#) £53,000 - £58,000 + Company Benefits + WFH 2 / 3 days a week + 1:30pm Finish on a Friday Northolt, LondonAre you a Full Stack Developer from a .NET and C# background, with an understanding of JavaScript and C++, looking for an autonomous position where you will be ...

TLM (Transaction Lifecycle Management) Developer

The Role: TLM (Transaction Lifecycle Management) DeveloperLocation: London, UKPosition Type: Contract Inside IR35Remote work option Available: Hybrid (2 Days onsite in a week)Job Description: * 5+ years of experience on TLM Premium, TLM control, TLM Recon Admin, TLM Desig ...

JAVA Microservices Back end Developer

We are seeking a talented Java Backend Engineer to join a dynamic team. This role is focused on building high-performance, scalable software within a distributed enterprise environment.Location: Burgess Hill, UK (On-site 3 days per week is mandatory) Employment Type: Permanent / FTEThe Role<b ...

Full Stack Developer (.NET / C#)

Full Stack Developer (.NET / C#) £53,000 - £58,000 + Company Benefits + WFH 2 / 3 days a week + 1:30pm Finish on a Friday Northolt, LondonAre you a Full Stack Developer from a .NET and C# background, with an understanding of JavaScript and C++, looking for an autonomous position where you will be ...

Web Developer/ Technical Solutions Consultant

🚀 Hiring: Web Developer/Technical Solutions Consultant (London)We're looking for a Web Developer with a detective mindset to join our team in London for a high-impact contract. You'll support major News publishers, helping them integrate search technologies and AI models.The VibeWe need ...

Robotic Systems Software Control Developer

Robotic Systems Software Control DeveloperLocation: Macclesfield, Cheshire, SK10 2NZSalary: £40,000 - £60,000 per annum, DOE + Excellent Benefits!Contract: Full time, PermanentWhy Join Us * Be part of a growing and innovative company where your contributions will truly make a difference. ...

RF / Wireless Algorithm Implementation Developer

Turning RF comms algorithms, models and metrics into robust, optimised production codeCambridge; to £highly competitive + benefitsThis company works at the cutting edge of RF communications hardware, firmware and software design. They are seeking a software engineer with practiced skills working ...

C# Developer Role Hybrid Banking

C# Developer Role - Hybrid / Liverpool street - 6 month Contract - Banking Role - C# Developer (T/SQL, PL/SQL)Duration - 6 months with very likely extensionLocation - Hybrid / Liverpool Street (London) - 3 days per week in a Liverpool Street officeRate - £690 per day (Inside IR35) ...

Web Developer/ Technical Solutions Consultant

🚀 Hiring: Web Developer/Technical Solutions Consultant (London)We're looking for a Web Developer with a detective mindset to join our team in London for a high-impact contract. You'll support major News publishers, helping them integrate search technologies and AI models.The VibeWe need ...

C# Developer Role Hybrid Banking

C# Developer Role - Hybrid / Liverpool street - 6 month Contract - Banking Role - C# Developer (T/SQL, PL/SQL)Duration - 6 months with very likely extensionLocation - Hybrid / Liverpool Street (London) - 3 days per week in a Liverpool Street officeRate - £690 per day (Inside IR35) ...

Booking and Messaging Java Developer

Java Backend Developer (Booking & Messaging)Rate: £625/day (Inside IR35) | Duration: 6 Months | Location: London (Hybrid)The RoleJoin a high-performance eBond Booking and Messaging team managing a complex trading platform. You will build and adapt trading workflows , ensuring seamless ...

Lead BI Developer / Analyst – Home

Lead BI Developer / Analyst – HomeA famous midlands client and leading employer, my client boasts undoubted pedigree and a strong reputation.The sector continues to evolve, so they continue to invest heavily in IT transformation programmes, with Business Intelligence (BI) and Management Informati ...

C# .Net Developer Nottingham/Hybrid

C# .Net Developer - Nottingham/Hybrid£30,000 - £40,000 plus benefitsDue to ongoing expansion our client is now seeking a C# / .NET Developer to join a busy development environment working on the latest ecommerce, content management and e-learning projects.The successful candidate will be ...

C# .NET Developer (Azure) Sheffield

C# .NET Developer (Azure) - SheffieldOur client based in Sheffield is looking for a skilled C# .NET Developer to join a small, collaborative engineering team working on modern cloud-based applications. This is a hands-on development role where you will contribute across the full software lifecycle, inclu ...

TLM (Transaction Lifecycle Management) Developer

The Role: TLM (Transaction Lifecycle Management) DeveloperLocation: London, UKPosition Type: Contract Inside IR35Remote work option Available: Hybrid (2 Days onsite in a week)Job Description: * 5+ years of experience on TLM Premium, TLM control, TLM Recon Admin, TLM Desig ...

Web Experience Developer (Front End)

Web Experience Developer (Marketing Agency)Hybrid - 3 days office / 2 remote Salary: Up to £50,000 (DOE)We're a growing marketing agency creating high‑performing digital experiences for a wide range of brands. We're looking for an experienced Web Experience Developer (Front-End) who loves bui ...

Finance Systems Analyst / TM1 Developer

This rapidly expanding organisation require a Finance Systems / TM1 Developer to manage the control and integrity of financial data and processes, in particular ensuring that data interfaces operate efficiently, and subsequent management information provided to support decision making is accurate and timely. ...

Back End Developer (DV Cleared)

DV Cleared Backend DeveloperLocation: UK WideClearance: DV clearance requiredSector: Defence & National SecurityRole SummaryOur client is seeking DV cleared Backend Developers to support high impact Defence and Security programmes. You will design, build and operate se ...

JAVA Microservices Back end Developer

We are seeking a talented Java Backend Engineer to join a dynamic team. This role is focused on building high-performance, scalable software within a distributed enterprise environment.Location: Burgess Hill, UK (On-site 3 days per week is mandatory) Employment Type: Permanent / FTEThe Role<b ...

🚀 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