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

Jr Salesforce Developer

Portfolio are proud to be exclusively representing our award‑winning, multinational professional services client in their search for a Jr Salesforce Developer! Day to Day Responsibilities Be one of the first points of contact for our user community when they are having problems usin ...

Cloud Developer PerfectDraft

Seniority Level: Associate Purpose Brewing the world’s most loved beers and building brands consumers love, AB InBev is where ownership, ambition, and action thrive. Our portfolio of iconic brands includes global classics like Stella Artois, Budweiser, and Corona, and well-known favorites ...

Software (Application) Developer

Brand New - Software (Applications) Developer - Leading Law Firm DVF are currently supporting a leading Law Firm to hire a Software (Applications) Developer, to support the development across high performance web and client applications. My client are looking for individuals with: <u ...

Lead Java Developer

Job Type: Permanent Location: Glasgow, London, Whippany Number of hours: 40 hours per week – full time Ready to apply your experience and expertise as a Senior Java Developer? We have an exciting opportunity for you — Senior Java Developer! Collab ...

Back End Developer

Hybrid – at least once a week in Central London Up to £85,000 DOE + Regular Pay Reviews + Healthcare + Life Insurance + Benefits Excellent opportunity for a Senior Backend Engineer with strong Scala and functional programming experience to join a small, highly technical team ...

iOS Developer (Poland)

About Client: A FTSE 250 global fintech company headquartered in London with a presence in 18 countries and five continents. Their award-winning products and platforms empower go-getters around the world giving them access to over 19,000 financial markets. About the Role: We are ...

Frontend Developer ( Principal )

Senior-level frontend engineering role at a fast-growing tech scaleup React, TypeScript, tRPC, Next.js and AWS on mission-critical software Hybrid working with Belfast base Salary up to £80k Work on AI-driven video forensic tools used by law enforcement and security ...

Lead Software Developer

Up to £75k (DOE) Remote biased hybrid (2-4 days a month onsite) You’ll work across a mix of existing PHP codebases (including Laravel) and newer builds, staying hands‑on while leading and supporting other developers and acting as the technical point of contact in c ...

C++ Developer (Risk)

We are currently partnering with a global investment bank to hire a Senior Developer. This is an exciting opportunity to contribute to the build-out of next-generation risk analytics platforms supporting Front Office and Risk functions. Key Responsibilities Develop and enhance intraday ...

Microsoft 365 Developer

Microsoft 365 Developer Salary - £44,075 - £49,282 (Grade 7) Hours - 37 Contract type - full time Work Style - Flexible: working from home with minimum 1 day per week in council offices About the Role Are you passionate abo ...

Backend (Node.js) Developer

Ben je IT specialist op zoek naar een nieuwe baan? Dan klik je op ”Ik ben IT specialist”. Ben jij een organisatie en benieuwd naar onze diensten? Klik dan op ”ik ben werkgever”. Je kunt via de switch button tussen beide omgevingen switchen. Makkelijk toch?! Vind jij als Backend (Node.js) Developer v ...

Swaps Developer Contract

An opportunity exists for a technically oriented individual to join the Equity technology team in London. The role will focus on developing & maintaining our Equity Swaps platform – supporting front and middle office users in multiple time zones. The successful candidate will collaborate with busine ...

Java Backend Developer

Overview MrQ - we're an award-winning online casino launched in 2018. We’re big on tech, performance, and creating a best-in-class player experience. Our growth has been rapid, and we’re building a platform that can scale globally—this requires engineers who can operate at both depth and system-wi ...

Salesforce Administrator & Developer

As Salesforce Administrator & Developer at Spire, you will own the technical foundation and day-to-day administration of our CRM ecosystem (Salesforce & HubSpot). Y ou will be a key driver of ourGo-To-Market Operations excellence, ensuring that our CRM and marketing automation ecosystem (Salesforce & HubSp ...

SAP BTP Developer

Role The SAP BTP Developer is responsible for the design, development and support of cloud-based integrations, extensions and applications on SAP Business Technology Platform (BTP). This role plays a key part in Shoosmiths’ SAP modernisation journey which starts with a move to SAP Rise and Integra ...

Node.JS Developer Newcastle

Job Description Node.JS Application Developer Location Newcastle Security Clearance Due to the nature of client work you will be undertaking, you will need to be willing to go through a Security Clearance process as part of this role, which requires 5+ years UK ...

Sr Salesforce Developer

Overview Introduction Exclusive Networks is the global cybersecurity go-to-market specialist that provides partners and end-customers with a wide range of services and product portfolios. With offices in over 45 countries and the ability to serve customers in over 170 countries, we ...

Graduate Software Developer

We are looking for ambitious and creative juniors to join one of the fastest and most exciting financial services companies in the world. As a Junior Full Stack Developer, you will play a crucial role in building resilient, scalable technology that drives the company's growth. Working in an agile, cross-fu ...

Graduate Software Developer

Infodata are an established UK based developer of application software, building innovative software solutions for hotels, UK private members clubs, restaurants and other areas in the hospitality sector throughout the UK. We are looking for two new (or very recent) graduates in computer sci ...

Software / Web Developer

Overview Are you ready to take up a vital role in shaping some of our exciting projects? How about joining our talented team, where everyone has a voice, and together we face our clients and their problems head‑on? It is a diverse and inclusive work environment where world‑class talent knows no d ...

Power BI Developer

Why this Role Matters This is a pivotal role supporting our O+O (Online & Offline) strategy, delivering clear, actionable insights through Power BI that enable our Business Units and Group teams to understand member and business data faster and more easily. By transforming complex datasets into m ...

Software Developer, Backend

We’re one of the world’s leading online gambling companies, revolutionising the industry since 2000. Founded by Denise Coates CBE, we now employ over 10,000 people and serve over 120 million customers in 26 languages. We empower our employees to push boundaries and explore new ideas, cultivating a cult ...

iOS Developer, Ring

Job ID: | Evi Technologies Limited The Ring team is looking for a passionate and talented iOS Software Development Engineer who has experience building world‑class mobile apps. You will be responsible for developing mobile applications that interact seamlessly with our devices and delight our cus ...

Oracle APEX Developer

Oracle APEX Developer Do you enjoy building data‑driven applications that people actually use? At Logistex, your work doesn't just sit in the background. Your applications power reporting, drive decisions, and give visibility into real‑world automation systems used by global brands. ...

Dynamics CRM Developer

Are you a talented Dynamics CRM or Power Platform Developer? Do you want to work for an emerging, cutting‑edge consultancy providing digital transformation solutions and offering you autonomy and opportunity for growth? If this describes you, then let Informed Recruitment help you achieve your potential wi ...

Dynamics 365 Developer

London, United Kingdom | Posted on 11/05/2026 Role Overview We are seeking an experienced Dynamics 365 Developer to join a high-performing team delivering Microsoft D365 CRM solutions. This role involves designing and implementing scalable, compliant, and user-focused systems that ...

Back End Developer

Job Title: Senior Back End Developer (Python) Location: London | Hybrid (2–3 days office) This Senior Back End Developer role will shape a brand-new data platform designed to support complex decision-making for major global organisations. This is a greenfield data-driven pro ...

Young Leaders Developer

Have you supported and enabled young people to shape and hone their creative voice? Are you experienced in leading engaging and inclusive programmes for diverse groups of young people? Do you centre the safeguarding and wellbeing of young people in your work? Can you expertly oversee and manage complex ...

.NET Developer Exeter

Overview Our client is a crowd funded social advertising technology platform that sells services to Facebook advertisers to grow their marketing ROI. They were recently named one of 12 Facebook Strategic Preferred Marketing Developers (PMD); the highest distinction of excellence Facebook has ever ...

Java/Kotlin Developer

We are looking for a Backend Software Engineer with strong experience in Kotlin and/or Java, who thrives in designing and building scalable, cloud‑native microservices and APIs. In this role, you will work within a Developer Experience (DevX) function, building platforms, frameworks, and tooling th ...

Lead Android Developer

Lead Android Engineer Manchester (Hybrid - 2 days in office) Salary: £85,000 - £100,000 DOE We're looking for a Lead Android Engineer to help shape the future of a large-scale mobile platform used by millions across the UK. This is a hands‑on leadership role where you'll i ...

C# .NET Developer

Mid-Level Backend Software Developer (.NET) Taunton, Somerset | Up to £50,000 per annum | Hybrid, 2 days on-site per week | 3+ Years Experience Proactive IT Appointments are partnered with a leading organisation who is looking to add a Mid‑Level Backend Software developer to their growing ...

Front End Developer

We're on the lookout for a Front End Developer to join our Web Development team, who will work across both our current ecommerce platform and our future technology stack. In the short term, you'll help enhance and support our live Salesforce Commerce Cloud storefront. Longer term, you'll play a key role in ...

Java Developer Multithreading

We are looking for a Java Developer with experience in capital markets and risk systems , working on backend services, APIs and data processing components supporting trading, risk calculations and reporting. Key Responsibilities Develop and enhance Java-based backend appli ...

Business Intelligence Developer

Job Title: Business Intelligence Developer Reporting to: Business Intelligence Manager Location: Wilmslow Salary: £37,500 - £40,000 About Total Fitness We’re Total Fitness, a leading health club brand in the North of England and Wales. We’re there for every fitne ...

Power BI Developer

We are seeking an experienced and highly skilled Power BI expert/Data Visualization Specialist to join our team. You will be responsible for designing, developing, and maintaining complex Power BI solutions to meet the analytical needs of our organization, as well as advising on and maintaining our Power B ...

Microsoft 365 Developer

Hours 37 hours per week Contract type Full time, 2-year fixed-term Work style Flexible: working from home with minimum 1 day per week in council offices Location City of Wolverhampton Council Job title Microsoft 365 Developer ...

Lead Informatica Developer

Lead Informatica Developer Location: Hybrid (London, Corby or Manchester) Employment Type: Permanent RS Group is looking for a Lead Informatica Developer to join our team on a permanent basis. This is a key role supporting the development and evolution of our global Customer Data ...

SAP CPI Developer

SAP Developer Location: London- 3 days on site in either Sunbury or Canary WharfDuration: 6 Months + Umbrella only Are you a talented SAP Developer with a passion for integration and middleware solutions? Our client, a leading organisation in the ...

Software Developer (Integration)

We are looking for an enthusiastic and highly motivated individual to join our Software Development team in the role of Healthcare Integration Developer with a key focus to deliver integration solutions across One Lancashire and South Cumbria (One LSC) to support clinical and corporate transformation. ...

Business Intelligence Developer

Elevation Recruitment Group are pleased to be partnering with ROCOL to recruit a BI Developer to join its Leeds-based IT team supporting ITW Fluids Europe. This is a fantastic opportunity for someone who enjoys a varied role, combining hands‑on Power BI development with real business engagement. Yo ...

PHP Symfony Developer

Mid-Level PHP Developer (Symfony / Laravel) – Leeds (Hybrid) Leeds (2 days onsite, central location) The Role You’ll be joining a small but highly capable engineering team, working on backend systems and APIs that are used at scale. There’s a strong focus on clean code, good ...

EEM Application Developer

Contract Type: Permanent Working Hours: 37 hours per week Worker Type: Hybrid Salary: Starting Salary is £36,363 (Level one) rising to £39,152 (Level four) per annum (pro rata for part-time) (Pay award pending) Location: London Road He ...

Quantum Algorithm Developer

Introduction Cambridge Consultants' Quantum Algorithms group is looking for a Quantum Algorithm Developer to work at the forefront of quantum computing and its translation into real‑world value. This is an exciting opportunity to take an active role in achieving the group's mission of understandi ...

SAP CPI Developer

SAP Developer Location: London - 3 days on site in either Sunbury or Canary Wharf Duration: 6 Months + Umbrella only Are you a talented SAP Developer with a passion for integration and middleware solutions? Our client, a leading organisation in the energy sector, is hiring f ...

Graduate Software Developer

Reply specialises in the design and implementation of solutions based on new communication channels and digital media. As a network of highly specialised companies, Reply defines and develops business models enabled by the new models of AI, big data, cloud computing, digital media and the internet of thing ...

Contract .NET Developer

Contract .NET Engineer Ocho is partnering with a Belfast-based organisation to hire a Contract .NET Engineer to support the delivery of large-scale, business-critical platforms used globally. This is an 8‑month contract sitting outside IR35, offering a largely remote working model with oc ...

EEM Application Developer

Contract Type: Permanent Working Hours: 37 hours per week Worker Type: Hybrid Salary: Starting Salary is £36,363 (Level one) rising to £39,152 (Level four) per annum (pro rata for part-time) (Pay award pending) Location: London Road He ...

Software Developer I

As a Software Developer I at Opus 2, you’ll contribute to small features and enhancements while building confidence in your engineering judgment. You’ll work closely with your Tech Lead, Product Manager, and Designer to deliver user-focused solutions. This role emphasizes growing autonomy, taking ownership ...

Software Developer musicMagpie

Job Overview About The Role We’ve recently welcomed musicMagpie to the AO family, a company that shares our passion for putting customers first, caring about our teams and making a real difference. Together, we’re set to make an even bigger difference and with that comes exciting opportun ...

🚀 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