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 Product Engineer

Our growth rate puts us in the top quartile of private B2B SaaS companies at our stage, and we’ve achieved it with low churn and without burning VC cash to get there. We’re small, profitable, and growing fast. We’re also an AI‑first company. Every process we build assumes the person running it will be usin ...

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 DevOps Engineer

Location: Milton Keynes, UK (Hybrid – 1 day onsite weekly) Duration: 6-Month Contract (strong extension potential) We are currently seeking an experienced Senior DevOps Engineer / Senior Developer to join a fast-paced engineering environment supporting critical cloud and inf ...

Associate Director – Reading

Thames Valley Leadership – BD, Delivery & TeamManagement An outstanding opportunity has arisen for an MRTPI Associate Director to join one of the South East’s most successful planning consultancies. This role will play a key part in growing the Reading office and strengthening its presenc ...

Senior Technical Manager

Senior Technical Manager – Residential Infrastructure / MasterplanningLondon (Hybrid)£65,000 – £85,000 + Car Allowance + Package A leading master developer delivering major residential communities is seeking an experienced Senior Technical Manager to oversee technical design, utilities ...

Procurement Manager

Our client is a well-established main contractor with a strong presence across the North West, delivering residential, commercial, and mixed-use developments. With a healthy pipeline of secured work, they are looking to strengthen their procurement team with the appointment of an experienced Senior Materia ...

Senior Business Development Manager

Senior Business Development Manager Location: London - Hybrid (2 days in the office / 50% UK travel)Salary: £65,000 baseHours: 37.5 hours per week Stott & May are currently working with a high-growth consultancy in the cyber and AI risk space, seeki ...

Senior Software Engineer

A Senior Software Developer is required to join a delivery-focused Service Team working for a global name, maintaining and evolving live software systems that support client solutions. This is a hands-on, client-facing role, ideal for someone with 5+ years’ commercial experience who enjoys working on producti ...

Senior Software Engineer

A Senior Software Developer is required to join a delivery-focused Service Team working for a global name, maintaining and evolving live software systems that support client solutions. This is a hands-on, client-facing role, ideal for someone with 5+ years’ commercial experience who enjoys working on producti ...

Associate Director – Reading

Thames Valley Leadership – BD, Delivery & TeamManagement An outstanding opportunity has arisen for an MRTPI Associate Director to join one of the South East’s most successful planning consultancies. This role will play a key part in growing the Reading office and strengthening its presenc ...

Platform Engineer

Hiring: Senior / Lead Platform Engineer (Cloud-Native, Serverless) London (3 days hybrid) We’re working with one of Europe’s fastest-growing B2B SaaS companies to hire a Platform Engineer at Senior or Lead level. The business is building an AI-native platform focused ...

Senior Technical Manager

Senior Technical Manager – Residential Infrastructure / MasterplanningLondon (Hybrid)£65,000 – £85,000 + Car Allowance + Package A leading master developer delivering major residential communities is seeking an experienced Senior Technical Manager to oversee technical design, utilities ...

Senior Business Development Manager

Job description Senior Business Development Manager Location: London - Hybrid (2 days in the office / 50% UK travel)Salary: £65,000 baseHours: 37.5 hours per week Stott & May are currently working with a high-growth consultancy i ...

Multiskilled Maintenance Engineer (Electrical/PLC) – 2:2:4 Shifts

A leading recruitment agency in the United Kingdom is seeking an experienced Maintenance Engineer to join a client's team in the Swale area. The role involves working shifts of 2 days and 2 nights on a 4-day off rotation. Candidates should be multi-skilled with either an electrical or mechanical bias, experience ...

Maintenance Engineer

Our client based in the Swale area requires an experienced Maintenance Engineer to join their team. This is a shift position working 2 days 2 nights on 4 off (6-6). Suitable candidates will ideally be Multi-skilled with an Electrical bias alternatively mechanical bias candidates with a good unde ...

Field Service Engineer Travel, Training & Company Vehicle

A recruitment specialist is seeking a Service Engineer to perform maintenance and fault finding on machinery across multiple regions including Kent and Greater London. This role involves routine visits to customer sites, installation of equipment, and handling relevant documentation. Applicants must have experie ...

Service Engineer

Overview Our Kent based client requires a Service Engineer to service their machinery for their customers based across Kent, Sussex, Surrey, Essex and Greater London. Requirements Experienced in plant / machinery maintenance and fault finding Good communication skills ...

QC Analyst

Our established Client based in Swale is currently seeking a number of experienced QC Analyst to join them in a 6-month temporary contract. Duties include: Tests and analyses pharmaceutical drugs to determine their identity, purity and strength Collect and record receipt o ...

Pharma QC Analyst Precision Testing & ICH Compliance

A specialized recruitment agency is seeking experienced QC Analysts to join a client in Swale for a 6-month temporary contract. Responsibilities include testing and analyzing pharmaceutical drugs, maintaining laboratory data integrity, and ensuring compliance with safety standards. Knowledge of analytical techni ...

Senior Full Stack Engineer

As a Senior Full-Stack Engineer, you'll spearhead the development of LLM-powered products at the forefront of marketing and advertising technologies. Utilizing your expertise in systems architecture and building web applications full-stack, you'll play a pivotal role in designing, implementing, and enhanci ...

Product Engineer

Join to apply for the Product Engineer role at incident.io Our Engineers know the drill - they've been paged at 3am. They're on a mission to transform those wee-hour wake-up calls into a smoother, more manageable experience for engineering teams everywhere. In fact, they're some of o ...

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 ...

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 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 ...

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 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 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 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 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 ...

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

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 ...

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. ...

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 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 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 ...

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 ...

Python Developer | Front Office | Greenfield Energy Trading | London, Hybrid | £800/Day Inside IR35

Python Developer | Front Office | Greenfield Energy Trading | London, Hybrid | £800/Day Inside IR35 A Python Developer with strong core engineering skills is required by a leading Trading House institution to support the front office teams in the business. This Python Desk Developer will b ...

Project Surveyor (Residential Developer) | £50,000 – £55,000 + package | Permanent | Milton Key[...]

Project Surveyor (Residential Developer) | £50,000 – £55,000 + package | Permanent | Milton Keynes, Buckinghamshire Project Surveyor (Residential Developer) | £50,000 – £55,000 + package | Permanent | Milton Keynes, Buckinghamshire Home » Residential » Investment Developing » Project Surveyo ...

Senior Android Engineer

Overview This range is provided by In Product. 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 In Product Founder of In Product | Scaling Product, Design & Engin ...

Senior Staff Forward Deployed Engineer, GenAI, Google Cloud

Senior Staff Forward Deployed Engineer, GenAI, Google Cloud _corporate_fare_ Google _place_ London, UK **Advanced** Experience owning outcomes and decision making, solving ambiguous problems and influencing stakeholders; deep expertise in domain. **Minimum qualifications:**<br ...

Residential Project Manager – London – New Build Development

Residential Project Manager – London – New Build Development Salary: up to £80,000 plus packageLocation: London A Project Manager is required to work for a residential developer in London on a new and exclusive development from start to finish. This developer has a ve ...

Salesforce DevOps Engineer

Salesforce DevOps Engineer – InvestorFlow Reporting to the VP of DevOps, you’ll work with moderate independence on team-level projects and collaborate with senior engineers on department-wide initiatives. Responsibilities Design, build, and maintain CI/CD pipelines f ...

Principal Software Engineer C# .Net AWS FinTech

Principal Software Engineer / Developer (C# .Net AWS Python) London / WFH to £120k Would you like to join a growing and profitable scale-up that is viewed as a leading FinTech disruptor in a senior role that will allow you a great deal of influence and progression? As a Principal Software ...

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 (Full Stack)

Ready to make a high impact by shaping the future of a scalable platforms with your .NET and modern front-end expertise? Perch Group are looking for our a hands on Senior Software Engineer to join the team. At Perch Group , our vision is clear: to l ...

Senior Site Manager

Senior Site Manager Location: East of England, Cambridgeshire, Peterborough Job Type: Permanent, Full-Time Monday to Friday 7:30am - 16:30pm Salary: £65,000 - £75,000 per annum Benefits Car allowance or company car Fuel allowance Bonus s ...

🚀 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