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

Senior Public Health Engineer

About Us Hoare Lea is a human‑centric and planet‑conscious engineering consultancy. We offer intelligent and sustainable solutions to complex design challenges for the built environment throughout the UK and further afield. Senior Public Health Engineer – Bristol We have a brand ...

Senior Software Engineer

Senior Software Engineer (.NET / AWS) Location: Manchester / Hybrid Salary: Up to £75,000 + benefits The Role We are looking to hire experienced Senior Software Engineers to join a growing engineering function. You’ll play a key role in designing and buil ...

Senior Software Engineer

Senior Full-Stack Software Engineer London (Victoria) · 3 days in office · £100,000 – £120,000 · Permanent Our client is a newly launched, VC-backed tech business operating in a highly traditional professional services sector. Founded by repeat founders with a track record of building and ...

Staff Engineer (Ruby)

Requirements You’re excited by the opportunity to own and influence technical direction at a pillar level You’ve operated at senior/staff level across multiple teams or complex domains You bring strong technical judgment and think in long-term, scalable solutions < ...

Senior Software Engineer

Senior Software Engineer (.NET / AWS) Location: Manchester / Hybrid Salary: Up to £75,000 + benefits The Role We are looking to hire experienced Senior Software Engineers to join a growing engineering function. You’ll play a key role in designing and buil ...

Senior Software Engineer

Senior Full-Stack Software Engineer London (Victoria) · 3 days in office · £100,000 – £120,000 · Permanent Our client is a newly launched, VC-backed tech business operating in a highly traditional professional services sector. Founded by repeat founders with a track record of building and ...

Commercial Tyre Technician Plaistow /Waterloo

Mobile Commercial Tyre Fitter -Plaistow Location: This position is coveringPlaistow & Surrounding areas.Find out exactly what skills, experience, and qualifications you will need to succeed in this role before applying below.Salary: £32,000 per annum bonus (OTE 10k uncapped) Excellent company benefits & ...

Senior Software Engineer

Social network you want to login/join with: Senior Software Engineer, bolton, greater manchester col-narrow-left Client: The Citation Group Location: bolton, greater manchester, United Kingdom Job Category: Other - EU work permit r ...

Senior Quantity Surveyor

Job title: Senior Quantity Surveyor Job Type: Permanent IR35 Status: N/A Start date: ASAP – Subject to vetting Duration: Permanent role Pay rate: £70,000pa Location: West Cumbria Hybrid/Remote Working: Fully on site role Hours of work: 40 hours per wee ...

Senior Software Engineer

Senior Software Engineer (.NET / AWS) Location: Manchester / Hybrid Salary: Up to £75,000 + benefits The Role We are looking to hire experienced Senior Software Engineers to join a growing engineering function. ...

Senior Quantity Surveyor

Job title: Senior Quantity Surveyor Candidates should take the time to read all the elements of this job advert carefully Please make your application promptly.Job Type: Permanent IR35 Status: N/A Start date: ASAP – Subject to vetting Duration: Permanent role Pay ra ...

Commercial Tyre Technician Croydon

Mobile Commercial Tyre Fitter -Croydon Location: This position is covering Croydon & Surrounding areas.Want to apply Read all the information about this position below, then hit the apply button.Salary: £32,000 per annum bonus (OTE 10k uncapped) Excellent company benefits & van included Hours: Monday to ...

Commercial Tyre Technician Gatwick

Mobile Commercial Tyre Fitter -Gatwick Location: This position is covering Gatwick & Surrounding areas.Find out exactly what skills, experience, and qualifications you will need to succeed in this role before applying below.Salary: £32,000 per annum bonus (OTE 10k uncapped) Excellent company benefits & v ...

Senior Full Stack Engineer (Belfast Hybrid)

MCS Group is delighted to be working with a global fintech market leader as they continue to scale their next-generation platform team with the addition of a Senior Full Stack Engineer . This is a unique opportunity to join a newly formed, high-performing engineering function building a greenfield p ...

Senior Software Engineer

Senior Full-Stack Software Engineer London (Victoria) · 3 days in office · £100,000 – £120,000 · Permanent Our client is a newly launched, VC-backed tech business operating in a highly traditional professional services sector. Founded by repeat founders with a track record of buildi ...

Senior Quantity Surveyor

Job title: Senior Quantity SurveyorJob Type: PermanentIR35 Status: N/AStart date: ASAP - Subject to vetting Duration: Permanent rolePay rate: £70,000pa Location: West CumbriaHybrid/Remote Working: Fully on site roleHours of work: 40 hours per weekRole information:- To ...

Engineering Manager

TL;DR: We’re seeking a deeply technical Engineering Manager to lead teams building Cloudsmith 2.0, the operating system for the modern software supply chain. You should have operated at senior, staff, or principal engineering depth, and be able to reason through complex production systems with strong en ...

Staff Software Engineer

Snyk is the leader in secure AI software development, helping millions of developers develop fast and stay secure as AI transforms how software is built. Our AI-native Developer Security Platform integrates seamlessly into development and security workflows, making it easy to find, fix, and prevent vulnera ...

Lead Front End Engineer

UK (Remote) IT Search is exclusively partnered with a globally recognised digital platform to hire a Lead Front-End Engineer. The company runs a highly visible, consumer-facing website used by millions worldwide and plays a central role in its space. Despite its scale, engineering teams r ...

Senior Planner

An excellent opportunity has arisen for a Senior Planner to join a well‑established and growing planning team operating across the South. The role offers exposure to a broad mix of residential, commercial and mixed‑use projects, working alongside a highly regarded multidisciplinary team. This positi ...

Senior Software Engineer

Exciting Opportunity: Senior Software Engineer Are you an experienced Senior Software Engineer looking to make an impact in an innovative and fast-paced environment? We’re seeking a passionate, skilled software engineer to join a cutting-edge FinTech startup. This is a unique opportun ...

Senior Software Engineer (Pensions, ISAs & Investments)

Senior Software Engineer (Pensions, ISAs & Investments) Join to apply for the Senior Software Engineer (Pensions, ISAs & Investments) role at TieTalent Senior Software Engineer (Pensions, ISAs & Investments) 1 day ago Be among the first 25 applicant ...

Senior Software Engineer (Pensions, ISAs & Investments)

Senior Software Engineer (Pensions, ISAs & Investments) Join to apply for the Senior Software Engineer (Pensions, ISAs & Investments) role at TieTalent Senior Software Engineer (Pensions, ISAs & Investments) 1 day ago Be among the first 25 applicant ...

Oracle HCM Functional Consultant

Oracle HCM Functional ConsultantEmployment Type: ContractDuration: 12 MonthsUmbrella Pay Rate: £/Day - £/DayLocation: RemoteOpportunity OverviewWe are supporting a large organisation seeking a Senior Developer with strong expe ...

Staff Software Engineer

Get AI-powered advice on this job and more exclusive features. Location : Cambridge / Remote / HybridSalary : £64,000 - £70,000 p.a. full-time equivalent, dependent on experienceBasis : Permanent full-time, part-time, or flexibleEli ...

Full stack Engineer London

Model ML is the AI workflow builder transforming how major financial institutions produce and validate client-ready work. Model ML converts complex, manual processes into fully automated AI systems that scale across global teams. In under a year, Model ML has become one of the fastest growing enterprise AI ...

Full stack Engineer

Company Overview Model ML is the AI workflow builder transforming how major financial institutions produce and validate client-ready work. Model ML converts complex, manual processes into fully automated AI systems that scale across global teams. In under a year, Model ML has become one of the fa ...

Frontend Engineer – Full Stack

London / Hybrid 3 days per week We’re building a modern technology platform that applies data engineering and AI to a problem with real global consequence: proving trust and transparency in supply chains. Our work helps protect people from exploitation, gives brands and producers confidence in what ...

Frontend Engineer – Full Stack

Frontend Engineer – Full Stack London / Hybrid 3 days per week We're building a modern technology platform that applies data engineering and AI to a problem with real global consequence: proving trust and transparency in supply chains. Our work helps protect people from exploitation, give ...

Full stack Engineer London

Model ML is the AI workflow builder transforming how major financial institutions produce and validate client-ready work. Model ML converts complex, manual processes into fully automated AI systems that scale across global teams. In under a year, Model ML has become one of the fastest growing enterprise AI ...

Principal Engineer ($50k – $80k • 0.5% – 1.0%) at Perry AI

Job Title: Principal EngineerSalary: $50k – $80k • 0.5% – 1.0% EquityCompany Description: Perry AI - High-velocity Legal AI startup for venture capitalLocation: London, UK or RemoteJob Description: As a Principal Engineer at P ...

Externals Site Manager (or Assistant Site Manager)

Externals Site Manager (or Assistant Site Manager) Salary/rate: £ - £ per annum + car allowance + package + bonus An exciting opportunity has arisen for an Assistant Site Manager or Site Manager to join a privately owned residential developer specialising in high‑end refurbishment and h ...

Planner

I’m working exclusively with a design-led, sustainability-focused residential developer to appoint a Planner to the business. This is an opportunity within cash rich, scaling business where you will gain full development exposure, increased responsibility and a clear progression pathway as the plat ...

Platform / Infrastructure Engineer (At Scale | £200k)

Location: London, hybrid Salary: Up to £200,000 + Equity This role is with one of Dex's trusted partner companies. We work closely with their teams to truly understand their culture, goals, and what they're looking for, so we can match you with the right opportunity and give ...

Senior Java Software Engineer

Overview Quant Capital is urgently looking for a Core Java Developer to join a well known trading firm. No experience of finance is needed; finance isn’t what this firm does, tech is. Our client is an innovative tech-driven trading company (Equities and ETFs) with a pioneering big data techn ...

Externals Site Manager (or Assistant Site Manager)

Externals Site Manager (or Assistant Site Manager) Salary/rate: £ - £ per annum + car allowance + package + bonus An exciting opportunity has arisen for an Assistant Site Manager or Site Manager to join a privately owned residential developer specialising in high‑end refurbishment and h ...

Product Manager

We're looking for a Product Manager for our public sector client based in Exeter on an initial 10-month contract, paying up to £563.42 per day (Inside IR35).This role offers hybrid working with an expectation to attend the office 3 days per week.<br/ ...

Business Development Manager

Business Development Manager Sittingbourne£27,000 - £30,000 + Package Hill McGlynn is currently working in partnership with a growing residential developer to recruit a confident and motivated Business Development Manager to join their team based out of their Sittingbourne office. This is a ...

Backend Software Engineer C++ Windows Finance

Backend Software Engineer / Developer (Windows C / C++, C#) London to £75k FTCAre you a skilled Backend Software Engineer with strong C++ skills?You could be progressing your career in a senior, hands-on role at a global market data provider.As a Backend Software Engineer you will ...

Quantity Surveyor

Quantity SurveyorMixed Tenure DeveloperPermanentDorset - ExeterJoining a people Gold employer, who value, train and support their staff! Seeking an experienced Project Quantity Surveyor, to manage a large volume scheme in Dorset. Based on site you will need to attend the Exeter office ...

Senior Account Executive

Senior Account Executive / InsurTech / Specialty & Commercial Insurance / £130,000 base, plus excellent OTE & benefits A well respected InsurTech provider of messaging and connectivity are hiring a Senior Account Executive. The role is customized to tap into your strengths ...

Senior Site Manager (Housebuilder) | £55,000 – £60,000 + car / allowance / package | Permanent [...]

Senior Site Manager (Housebuilder) | £55,000 – £60,000 + car / allowance / package | Permanent | Surrey Home » Residential » Investment Developing » Senior Site Manager (Housebuilder) | £55,000 – £60,000 + car / allowance / package | Permanent | SurreySalary: £55,000 - £60,000 + car / all ...

Senior Full Stack Engineer

About Synextra Synextra is a Microsoft-specialist Managed Service Provider headquartered in Warrington, operating as a premium partner to regulated mid‑market organisations including law firms, financial services firms, and mortgage lenders. We're deliberately small—around 35 people—because we be ...

Associate Software Engineer I

At clearer.io, we’re reimagining eCommerce by enhancing search, discovery, and customer engagement through a standout suite of innovative apps. Our mission is simple but powerful: empower our partners with tools that streamline their operations, build trust, and drive sustainable growth. We’re not just a t ...

Senior Growth Engineer

THE BASICS This role pays up to £170k/year DOE + equity Reporting to: Head of Growth Engineering Location: Chancery Lane, London — Mon–Thu in office, Fri WFH WHAT ARE WE BUILDING? Fyxer is an AI Email & Meeting Assistant that eliminates admin burden for professio ...

Senior Growth Engineer

Location London Employment Type Full time Location Type On-site Department Engineering Compensation £140K – £170K - £140K – £170K Equity THE BASICS This role pays up to £170k/year DOE + equity ...

Senior Full Stack Engineer

About Synextra Synextra is a Microsoft-specialist Managed Service Provider headquartered in Warrington, operating as a premium partner to regulated mid‑market organisations including law firms, financial services firms, and mortgage lenders. We're deliberately small—around 35 people—because we be ...

Head of D365BC / Lead Developer (£70k–£75k, End user)

Overview D365CE Solution Architect | Membership & Regulatory Sector | 12 Months+ I'm working with a client who is building an internal team to take ownership of their Dynamics 365 Customer Engagement (D365CE) implementation project. While initial phases such as discovery and scoping ...

VP of R&D: Scalable Developer Tools Tech Leader

A fast-growing developer tools startup in London is seeking a VP of R&D to lead their engineering team and shape the technical roadmap. The ideal candidate has over 8 years of engineering leadership experience, strong cloud-native system knowledge, and a background in scalable teams. This role offers the opportu ...

🚀 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