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

Front End Developer

Overview Placing the right people in the right roles saves lives! Our platform empowers organisations to build a culture of assurance, confidently meet… Due to continued growth and investment, we are expanding our in-house development team and are recruiting for multiple Front End Developers ...

Back End Developer

Backend Software Engineer (Node.js) – Contract Opportunity I’m working with an award-winning ticketing and booking platform used by major brands across the travel and attractions industry. We’re looking for an experienced Backend Software Engineer to join on a 6-8 week contract. You’ll play ...

Business Intelligence Developer

Get AI-powered advice on this job and more exclusive features. Direct message the job poster from Vivid Rock Are you an experienced Business Intelligence Developer looking for your next challenge? If yes, please read on as my client is seeking a highly skilled BI Developer to join the ...

Back End Developer

This range is provided by twentyAI. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from twentyAI I am partnered with a VC-backed, high-growth legal technology start-up that is tra ...

Dynamics 365 Developer

This range is provided by LA International. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from LA International Dynamics 365 Developer - Outside IR35 / Remote - UK Based. <p ...

Back End Developer

Senior Backend Engineer Fully Remote 6 months initially We’re seeking a Senior Backend Engineer to lead the design and implementation of core backend services for an Azure-based SaaS platform. Apply here and help define the future of intelligent document au ...

MAUI App Developer

About us Vantify are leading the way in revolutionising integrated compliance software, services and intelligence solutions. With a mission to help clients enhance visibility, increase productivity and reduce risk, we take pride in being the go-to partner for businesses navigating the complexitie ...

Software Developer LinuxRecruit

Overview Developments and coincide your own progression alongside the upwards trajectory of the company. You will use your experience with Golang/Python and also functional programming experience with Golang/Haskell/Erlang to develop scalable solutions, identify and enhance required. Respo ...

Lead Software Developer

Direct message the job poster from Amber Labs Type: 12-Month Fixed Term Contract (FTC) Clearance Requirement: BPSS eligibility essential (we cannot sponsor) Role Overview We are seeking a Lead Software Developer for a 12-month fixed-term contract </b ...

Big Data Developer

We’re working with a major UK retailer to find an experienced Power BI Developer to support enterprise‑scale reporting and analytics built on a Databricks Lakehouse architecture hosted on AWS . This is a hands‑on delivery role, ideal for a Power BI હેઠ specialist who enjoys building ...

Back End Developer

We are seeking an experienced Senior Backend Developer with a proven background in building high-volume, scalable services. Job details 6-month initial contract with a high potential for extension. Fully remote opportunity within the UK, with any ad-hoc travel expenses cov ...

Front End Developer

Get AI-powered advice on this job and more exclusive features. This range is provided by Digital Waffle. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range Direct message the job poster from Digital Waffle ...

Business Intelligence Developer

Type of Company: Fast-growing, tech-driven automotive platform Location: Hybrid (Home-based with occasional UK travel) Salary & Benefits: £50,000–£55,000 + 10% bonus + comprehensive benefits The Company Our client is a dynamic, innovative business b ...

CSS Software Developer

CSS Software Developer - HTML/CSS - Contract - Remote 2 month initial contract Remote based MUST have expert skills in CSS & HTML Our client is a leading UK Energy company who are looking to bring on a Software Developer with deep expertise across HTML & CS ...

Unreal Engine Developer

Overview Unreal MetaHuman Developer/Designer / 1 week freelance contract Background: An Event Management company has previously prototyped and successfully delivered interactive AI avatars for use at events and exhibitions for several clients. These avatars have been train ...

Software Applications Developer

Job title: Software Applications Developer Company IntaPeople Job description Job description IntaPeople are currently working exclusively with a fantastic not-for-profit organisation in Wales who due to a recent internal promotions now require an experi ...

Angular / Ionic Developer

Position Junior - Mid-level Angular (Ionic) Developer - Part-time, Europe (Remote) Do you want to join an exciting startup? We are SAVI and we are on a mission to protect people's savings from inflation by lending them out to other people and businesses via P2P Lending / Crowdfunding. </p ...

Developer, Forward Engineering

About The Spotfire Forward Engineering Team Our global Forward Engineering team is a central part of the company strategy. The team focuses on applied innovation, customer needs, and the community of data scientists. The Successful Candidate The successful candidate will have so ...

Power Bi Developer

Drive data-driven decisions on one of the UK’s most ambitious nuclear megaprojects. This is a unique opportunity for a skilled Power BI Developer to shape how data is used across a nationally significant infrastructure programme. You will play a key role in delivering high-quality dashboard ...

Lead Salesforce Developer

Vacancy Title: Lead Salesforce Developer Location: UK Engagement Type: Permanent The Role Here at Survitec, we are currently recruiting for a Lead Salesforce Developer to join our Technology and Transformation Team. Lead the design and development of co ...

Application Developer – Remote

A leading training centre is seeking an experienced application developer to create a comprehensive exam revision app for gas and renewable engineers in the UK. The app will support new entrants in preparing for industry exams by providing an intuitive, mobile‑first experience. The ideal candidate will hav ...

Remote Game Developer

Overview Join an exciting project to develop a modern, web-based no-zero casino game for the Better.fun platform. This role involves building the game from the ground up, focusing on smooth animations, high-quality user interfaces, and fair, transparent gameplay. You will work from a detailed tec ...

Cloud Architecture Developer

Overview At YETI, we believe that time spent outdoors matters more than ever and our gear can make that time extraordinary. When you work here, you'll have the opportunity to create exceptional, meaningful work and problem solve with innovative team members by your side. Together, you'll help our ...

Software Application Developer

Case IQ helps companies protect their employees, culture, and business through world‑class software for uncovering, investigating, and preventing fraud, ethics, harassment, discrimination, and security incidents. We’re proud to count a roster of Fortune 500 companies among our customers, which have relied ...

Remote Game Developer

Job Title Job Title Remote Game Developer Job Description About Twine Twine is a leading freelance marketplace connecting top freelancers, consultants, and contractors with companies needing creative and tech expertise. Trusted by Fortune 500 companies and innovative sta ...

Java Developer Remote

Job Title Java Developer - AI Expert Job Summary Join our customer's team as an experienced Backend Developer. In this high-impact, remote role, you'll design, implement, and continually improve robust backend APIs while collaborating with cutting-edge AI research. You'll help t ...

Lead Gameplay Developer

At Couch Heroes, we’re exploring new ground for the MMO genre. In a world where fantasy and ancient technology intertwine, players explore shattered realms, grapple across verticality, solve puzzles, and push back corruption, with progression driven by player expression and discovery. We envision bridging ...

Business Developer Independant

Business Development Executive My client is a leading Software Development company enabling their customers to build and scale beautiful, usable products with on‑demand talent teams. From a single developer to multiple agile, cross‑functional teams, they have the talent, capacity and ability to s ...

Software Engineer/Developer

All About The Role As a Software Engineer within our Grocery & Retail Domain, your work will be the face of one of the world’s leading food delivery companies, primarily for our customer-facing apps. Your main focus will be speeding up the delivery of high-priority product features for our custom ...

Game Developer (Frameworks)

Game Developer (Frameworks) ($80 - $120/hr) Experience with MonoGame, libGDX, and/or Cocos2d-x is a must have Design, build, and optimize game scenarios utilizing MonoGame, libGDX, and/or Cocos2d-x frameworks Collaborate with AI researchers to develop and refine en ...

Software Developer C#

Benefits 25 days annual leave, plus flexible bank holidays and the opportunity to buy additional days Enhanced workplace Pension scheme - opt-in salary sacrifice scheme Life Insurance (3x annual salary) Employee Assistance Programme (EAP) and workplace wellbein ...

Jr Frontend Developer

Objectively restore stand-alone markets rather than enterprise-wide products. Uniquely underwhelm best-of-breed mindshare through adaptive niches. Seamlessly parallel task open-source content without resource sucking technology. Job Responsibilities Be involved in every step of the ...

Back End Developer

Contract Duration: 6 months with potential for extension Location: Remote - UK Job Description: This is a generalist mid-level backend position within the Ads Organization. Ads are the fuel that powers the client's mission. Technologies used on the team inclu ...

Salesforce Developer (FinDock)

TechOhana has partnered with a well known Charity who is searching for a Salesforce Engineer with hands on Findock experience. The type of person they are looking for is someone who thrives on building seamless, scalable solutions and loves turning complex challenges into elegant workflows. Respons ...

Expert Blockchain Developer

Project description We are seeking an Expert Blockchain Developer for a short-term, fixed-scope engagement to facilitate a smooth vendor handoff of our blockchain tokenization platform. The system is designed to capture external off-chain data feeds and utilize that data to mint utility and finan ...

Developer Relations Engineer

Overview At Nscale, we’re on a mission to build the engine of superintelligence, and developers are at the center of how that future gets built. We’re looking for a Developer Relations Engineer to define how developers discover, learn, build, and scale on Nscale’s AI infrastructure platfor ...

Jr Frontend Developer

Objectively restore stand-alone markets rather than enterprise-wide products. Uniquely underwhelm best-of-breed mindshare through adaptive niches. Seamlessly parallel task open-source content without resource sucking technology. Job Responsibilities Be involved in every step of the pro ...

.NET Developer | Remote

Responsibilities Design, develop, and maintain scalable C# applications. Collaborate with cross-functional teams to deliver software solutions. Translate business requirements into technical specifications. Write clean, efficient, and well-documented code. </li ...

Back End Developer

Location: London, UK Industry: Investment Banking Work pattern: Hybrid (2/3 days onsite) We’re looking for an experienced Backend Developer to join a leading investment bank and help drive ...

Business Intelligence Developer

BI Developer Trustmarque | Remote (UK) | Full-time Are you passionate about turning data into meaningful insights that drive real business decisions? At Trustmarque, we’re looking for a talented BI Developer to join our growing data team and ...

Sales & Business Developer

Sales & Business Developer Location: London / Remote Contract: Freelance / FTC / Full-Time Who We Are Chesamel Group is an agile consultancy headquartered in London, focused on driving extraordinary ...

C++ HFT Developer

Software Engineer – Low Latency / Trading Systems London | Office-Based | Permanent A high-performing proprietary trading firm is looking to hire a Software Engineer to join its core engineering team building the systems that power live trading acro ...

Azure Integration Developer

Azure Integration Developer | Global Enterprise Technology Organisation | London We’re partnering with a global, high‑performing organisation currently modernising and scaling its cloud integration and API platform across international markets. As part of a wider digital tr ...

Back End Developer

• Job Title: Senior Back End Developer (Python) • Salary Range: £100,000 – £120,000 + Bonus • Location: London | Hybrid (2–3 days office) This Senior Back End Developer role will shape a brand-new data plat ...

Power BI Developer

Power BI Developer – AVP Job Title: Power BI Developer Pay Rate: £416, £450, and £490 Umbrella Location: London, Harbour Exchange Any specifics re Location/ Hybrid model: 3 days a week in the ...

Technical Product Developer

Position Overview: - At Lyle & Scott, we recognise that all success starts with people. We welcome creativity and value individuals passionate about delivering a strong performance. We are a privately owned British brand with almost 150 years of history that has built ...

Power BI developer

Power BI Developer Contract - 6 months - £550-600/day via umbrella London - Hybrid We are seeking an experienced Power BI Developer to support a highly regulated banking environment. This role will focus on delivering accur ...

Back End Developer

Backend Engineer, London, £55,000 - £65,000 + Benefits (including share options) A Backend Software Engineer (Typescript, Node.js ) is needed to join an ambitious and fast-scaling technology company operating within a regulated market. This role is based in ...

.NET Developer Manchester

.NET Developer - Leading E-Book Firm – Manchester (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, .NET Aspire, CI/CD, Azure DevOps, EF Core 10.0, Agile, HTML Living Standard, CSS Living Standard, Programmer, Full Stack Engineer, Architect, .NET Developer) < ...

Apparel Product Developer

Growing Irish activewear brand has a newly created role for an experienced ladieswear Athleisure Product Developer to responsible for owning the product lifecycle from concept through to launch. This brand is known for offering quality, durable, functional, comfortable leisurewear which is a ...

🚀 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