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

WPF Developer (XAML) Permanent

What do you need?XAML CodingWPFC#Entity Framework CoreLINQSSIS/SSRSMicrosoft SQL database skills (table design, views, stored procedures, TSQL)Working with JSONWorking with Visual ...

Solutions Developer (Power Platform)

At Amentum, we're not just solving problems; we're engineering the future. Our team is driven by an unyielding commitment to innovation, integrity, and collaboration, tackling some of the most significant challenges in science, security, and sustainability. If you're passionate about making a real impact and ...

Dynamics 365 Developer Leeds

Job Description You could be just the right applicant for this job Read all associated information and make sure to apply.Dynamics 365 Developer - Permanent Location: Leeds city centre x3 days per week Salary: £50-65k - Plus great benefits The Opportunity We are look ...

Front End JavaScript Developer

Position: Front End JavaScript Developer Reports to: Front End Development Team Lead Hours: 40 hours Location: 3 days in North London office (Monday – Wednesday) Salary: £60 - £80,000 + elig ...

C++ Trading Platform Developer

C++ Trading Platform Developer Qualifications, skills, and all relevant experience needed for this role can be found in the full description below.A leading crypto-native algorithmic trading firm is looking for a C++ Trading Platform Developer to join its London-based t ...

Backend Software Developer AWS

Backend Developer AWS | Belfast (Hybrid 3 Days) Location: BelfastType: Full-time About the Opportunity: This is an opportunity to join a high-performing backend engineering team working on a modern cloud security platform. The environment ...

Technical Architect / Lead Developer

Salary: circa £150-175k base, £250-300k TC Summary: This successful systematic investment manager is looking to hire a hands-on senior developer to be their technical lead. This exciting role will provide you with the opportunity to make a lasting impact on the firm’s cutting-e ...

Software Developer Risk Reliability

Position Overview:As a Reliability Software Engineer in the Risk team, you will play a critical role in ensuring the performance, stability and availability of the Risk software systems, as well as their day-to-day operations. Squarepoint's Risk platform is responsible for position managemen ...

Power Markets Analytics Developer

Power Markets Analytics Developer London or Edinburgh | Hybrid⚡ Wholesale | Balancing | Ancillary Services Build the tools that traders actually rely on. We're partnering with a mark ...

Java Full Stack Developer

About the Job you are considering:We are seeking an experienced Java / Angular to join our technology team and contribute to the design, development, and delivery of modern, scalable systems. The role involves working on microservice-based architectures, event-driven solutions, and user-facing a ...

.NET Developer (.Net Coder)

Role :NET DeveloperLocation : BasildonOnsite Role - 5 days to OfficeContract Role We’re seeking a Senior Microsoft .NET / C# Developer with 8+ years of hands-on experience building and supporting high-quality applications. This role requires a strong communicator who ca ...

Front End Web Developer

We are looking for an experienced front-end web developer to join our growing engineering organization (headquartered in Reigate, ~300 engineers) developing a wide range of market leading InsurTech solutions. You will join us at an exciting time as we focus increasingly on cloud/SaaS solutions, upgrading exis ...

Import Merchandiser/Product Developer

Our client is a family owned, fast growing business based in Leicester.  They are also Europe's largest licensed apparel and accessories suppliers to high street and online fashion retailers. They have over 22 years of experience in the licensing industry and have considerable knowledge and contacts with ...

SAP Business One Developer

SAP Business One DeveloperRobert Half are supporting a global S&P 500 consulting firm to bring in an interim contractor as an Associate to support delivery across a complex SAP Business One landscape. The engagement sits within an ERP stabilisation programme focused on enhancing system capa ...

EMEA Software Developer Tridium

We are looking for an EMEA Software Developer at Honeywell based in our Horsham office.Tridium is a global leader in business application frameworks that have fundamentally changed the way devices and systems connect. We are passionate innovators developing the operating system of the Internet o ...

Front End Web Developer

You will join our existing team of front end developers and work on a diverse range of web sites each with differing client needs. Your role will involve installing and configuring our own eCommerce and CMS systems and bringing our design team's designs to life. You should have a sound knowledge and a desire ...

New Business Developer About

New Business Developer About Candy Carriers Ltd: Based in Sittingbourne, Candy Carriers Ltd provides an extensive portfolio of transport solutions to a multitude of clients in a variety of business sectors whether they be small business or internationally recognized ...

Associate Director Commercial Developer

Company DescriptionAt Turner & Townsend we are passionate about making a difference. That means delivering better outcomes for our clients, helping our people to realise their potential, and doing our part to create a prosperous society.For over 75 years we have been helping ...

Mesa Graphics Software Developer

Job Title: Mesa Graphics Software Developer Job Type: Permanent Location: Remote Key Responsibilities: - Engaging with clients to discuss technology matters and representing our client at conferences and trade shows to showcase our leadership in the open-source domain. - Examinin ...

New Business Developer About

New Business Developer About Candy Carriers Ltd: Based in Sittingbourne, Candy Carriers Ltd provides an extensive portfolio of transport solutions to a multitude of clients in a variety of business sectors whether they be small business or internationally recognized ...

Professional Lead Product Developer

We are seeking an experienced Lead Product Developer to drive the end-to-end development of innovative professional beauty products, treatments, and devices for salon, spa, and clinical environments within the Medik8 brand.This role blends formulation science, device-en ...

Low Latency C++ Developer

Salary: £200-450k TCSystematic hedge fund with a focus on developing high quality financial strategies across a variety of asset classes and markets, utilising a proprietary research platform focused on exploring market inefficiencies.Exciting opportunity for an experienced C++ De ...

Associate Director Commercial Developer

Job DescriptionWe are looking for Associate Directors to join our dynamic, innovative and client-focused team. You will work on some of the most exciting projects in the world, involving large hotel conversions, superb residential projects, and high profile mixed use projects. You will work with lea ...

Technical Lead Software Developer

Our client is a globally recognised organisation with a dedicated innovation function responsible for building cutting‑edge applications that transform the working lives of finance and tax professionals. Their mission is to rapidly prototype ideas, gather meaningful user feedback and scale the solution ...

C Sharp Developer (Blazor)

C# Developer – Farnborough, Hampshire – Hybrid (2 days onsite)£450–£500 per day (Inside IR35)Location:Hybrid working – 2 days per week in FarnboroughYou must live within 1 hour of travel to siteI am working with a highly regarded global financial services organisation who are looking for a C# D ...

Director of Developer Relations

At Ripple, we’re building a world where value moves like information does today. It’s big, it’s bold, and we’re already doing it. Through our crypto solutions for financial institutions, businesses, governments and developers, we are improving the global financial system and creating greater economic fairness ...

Front End Java Developer

Job Description Front End Developer with Java – Central LondonOur Client is looking to recruit a Front End Java developer with at least 3 to 5 years solid development experience.Must have the following skills:HTML, XHTML, HTML5 **CSS2, CSS3 ** < ...

Oracle Developer (Fusion / CX)

Oracle Developer (Fusion/CX)Remote£60,000 - £70,000+ Bonus + Training This is an excellent opportunity for an Oracle Developer who has a strong understanding of Oracle Fusion Cloud to join a business at an exciting time of growth. This role offers a varied and interest ...

Device Simulation Software Developer

Job Details Job Location Europe - St Ives, CambridgeshireRemote Type Optional Work from HomePosition Type Full TimeSalary Range Description Job Summary Silvaco is looking for a software engineer to join our device simulation team in one of ...

Cost Manager Commercial Developer

Job DescriptionTurner & Townsend is a leading management consultancy provider in the Commercial Developer sector. Leveraging our skills, processes, and knowledge, we offer industry-leading services to our clients. Our extensive experience and databank enable us to deliver proactive, value-added ...

Front Office Developer (Commando)

About Marex Marex Group plc (NASDAQ: MRX) is a diversified global financial services platform providing essential liquidity, market access and infrastructure services to clients across energy, commodities and financial markets. The group provides comprehensive breadth a ...

Lead Java Developer (VP)

OverviewCiti is a world-leading global bank. We have approximately 200 million customer accounts and a presence in more than 160 countries and jurisdictions worldwide. We provide consumers, corporations, governments, and institutions with a broad range of financial products and services, includi ...

Back End Software Developer

Description Back End Software Developer – Fully Remote Working – Salary – £50 – £65k (Negotiable) – Permanent A very exciting opportunity for experienced Back End / Azure Focussed Software Developers to work with one of the UK’s Top 50 scalable Tech Business’s operating in t ...

Python Quant Developer | Crypto

Our client is a leading tech-driven quant and systematic hedge fund trading with offices across the globe. They leverage deep knowledge in data, research, technology and trading to deliver high-quality returns. This opportunity offers a dynamic and fast-paced environment with excellent scope for career growth ...

Build System & CI Developer

Job Title: Build System & CI Developer Type: Permanent Location: Cambridge, United Kingdom Candidates must be based in UK // Hybrid working required // Nix experience essential Our client are an AI company based in Cambridge. We are seeking a Software Developer to suppo ...

Software Developer Market Access

Position Overview:As a Market Access Developer, you will be responsible for designing, implementing, and maintaining high-performance, low-latency C++ applications for electronic trading, including order routing and market data processing across various exchanges using specialized protocols.<b ...

Graduate Technical Support Developer

IT Jobs Newbury, England £24999 - £25000 per annum Permanent Apply Now Graduate Technical Support Developer Graduate Technical Support Developer – C#, T-SQL, ASP.NetJob Type: Permanent Location: Home based but with regular travel to Newbury, Berkshire Post ...

SSIS Developer / ETL Specialist

Job Title: SSIS Developer / ETL SpecialistRole OverviewThe SSIS Developer will design, develop, and maintain ETL workflows using SQL Server Integration Services (SSIS) to support data integration, transformation, and loading processes for enterprise data solutions.<s ...

Software Developer Enterprise Technology

About Marex Marex Group plc (NASDAQ: MRX) is a diversified global financial services platform providing essential liquidity, market access and infrastructure services to clients across energy, commodities and financial markets. The group provides comprehensive breadth 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