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

Go Software Engineer Risk & Regulatory Platform

bet365 is seeking a Software Developer to join the Risk and Regulatory team in Stoke-on-Trent. You will develop high-quality scalable solutions, enhance existing applications, and support product owners. Ideal candidates will have commercial experience in web development, be technically strong in Golang, and ade ...

CyberArk PAM Architect (PVWA/PSM/CPM) – UK Hybrid

We Are Orbis Group Ltd is seeking a CyberArk Solution Architect/Developer for an urgent requirement in the Greater London area. The role entails hands-on configuration and delivery experience with PAM architecture. Candidates should be experienced with CyberArk components, cloud integrations, and possess scripti ...

Data Engineer (C# & Python) – Hybrid ETL & Data Lakes

Client Server Ltd. is looking for a Data Developer / Software Engineer in London. This hands-on role involves designing and building components for a modern data platform while working in a collaborative team environment. Candidates should possess strong backend experience in C# and Python, along with knowledge ...

Regulatory Data Engineer GCP & BigQuery

A leading online gaming company in Manchester is seeking a Regulatory Data Developer to enhance their regulatory reporting systems on Google Cloud Platform. The ideal candidate will have experience with Google BigQuery, SQL development, and GCP services. You will migrate existing systems, build automated data pi ...

PySpark Data Engineer (Microsoft Fabric) – Hybrid London

Hamilton Barnes is seeking a PySpark Developer for a 6-month contracting role based in London. The position involves designing, building, and maintaining data pipelines for a global financial markets infrastructure. Ideal candidates should have strong proficiency in Python and PySpark, comprehensive Azure experi ...

Frontend Django Engineer Hybrid, Impact Driven Tech4Good

Pure Resourcing Solutions in Cambridge is seeking a Front End Django Web Developer to join their collaborative tech team. The ideal candidate will build user interfaces for Django applications, ensuring accessibility and clarity. With a salary of up to £50,000, this hybrid role requires strong JavaScript skills ...

Senior Java Full Stack Engineer – AWS Cloud, DevOps (Hybrid)

Tenth Revolution Group is seeking a Java Full Stack Developer to join their Agile engineering team in Leeds, UK. The role requires expertise in Java, Angular, and AWS, with responsibilities including building modern full stack applications and developing secure cloud-native solutions. This hybrid position mandat ...

Node.js & AWS Serverless Engineer (Hybrid, Newcastle)

Limelight Health is seeking a Node.JS Application Developer for a hybrid working role based in Newcastle upon Tyne. You will be responsible for designing and building applications to meet business requirements, participating in team discussions, and conducting code reviews. This position requires proficiency in ...

Remote Power Platform & M365 Engineer

Akkodis is seeking an experienced Microsoft Power Platform / Microsoft 365 Developer to support ongoing digital transformation initiatives. The role requires expertise in SharePoint Online, Power Apps, and Power Automate. Responsibilities include designing solutions, maintaining documentation, and engaging with ...

Kotlin Core Libraries Engineer (Remote friendly)

JetBrains is looking for an experienced developer to shape the Kotlin ecosystem, involving the creation of foundational libraries for core primitives and participation in API design. Candidates should have strong JVM development skills, understanding of their domain, and experience in performance engineering or ...

Atlassian Cloud Migration Specialist (Jira/Confluence)

European Tech Recruit is seeking an experienced Atlassian Developer to support a leading global technology organization on an initial 10-month contract. This hybrid role in Cambridge involves migrating Jira and Confluence from Data Center to Cloud and delivering new Atlassian-based project management solutions. ...

GenAI Software Engineer — Hybrid, AI Innovation

A leading UK investment platform is seeking a Software Developer (GenAI) to join its expanding team. You'll work on innovative Generative AI solutions while collaborating in a cross-functional environment. Strong skills in Python, LLMs, and Agile practices are essential. Enjoy a supportive culture with excellent ...

Mid Level iOS Engineer — SwiftUI, AI Tools, Hybrid

Moneysupermarket Group is seeking a mid-level iOS Developer for their Mobile Collective team. This role offers hybrid working in London with a focus on building user-centered iOS features using Swift, SwiftUI, and UIKit. Candidates should have experience in iOS development, a collaborative mindset, and enthusias ...

TLM Reconciliations Consultant | Oracle DB & DevOps

PRACYVA is looking for a TLM Consultant Developer based in Sheffield. This hybrid position involves building reconciliations on TLM Premium 2.5 or higher, with a strong emphasis on Oracle database development and Unix shell scripting. The ideal candidate will have hands-on experience in reconciliation ...

Graduate AI Software Engineer Remote & High Impact

Bending Spoons in the UK seeks a talented software developer to build AI-powered products that transform user experiences. You will work in small, entrepreneurial teams and have a significant impact, owning projects from idea to production. Candidates must possess strong problem-solving abilities and proficiency ...

Full Stack Node.js/TypeScript Engineer

Java Script Works is looking for a Full Stack Developer skilled in Node.js and TypeScript to join our team in Bracknell, United Kingdom. You will work with modern technologies like React.js, Git, and Linux in a full-time capacity. The ideal candidate will demonstrate expertise in JavaScript and have eligibility ...

Asset & Operations Manager — Living Real Estate

Packaged Living, a leading developer in rental living communities, is looking for an Asset Manager to support its operations team. The ideal candidate should have at least 3 years of property management experience, focusing on operational efficiencies. The role includes assisting the Operations Directo ...

Graduate Software Engineer C#, AWS, On site in Newcastle

Oliver Bernard is seeking a Graduate Software Developer in Newcastle upon Tyne, offering a salary up to £35k plus bonuses. Candidates should possess a 1st from a Russell Group University and ideally have experience in C#, SQL, and AWS, among other languages. This role offers a unique opportunity to work on green ...

Womenswear Product Development Trainee Sourcing & Samples

Reiss Limited is hiring a Trainee Product Developer in Greater London to assist the Product Development team in sourcing, development, and administrative tasks. This role offers hands-on experience in supplier management and sustainability within a fast-paced fashion environment. We're looking for someone organi ...

Autonomy Driven PHP Laravel Engineer for Cyber Security

Big Red Recruitment Midlands Limited is seeking a PHP Developer to join their team in central London. You will take ownership of internal development tasks, creating customer-facing dashboards and implementing innovative software solutions. The role offers a salary between £45k-£55k and requires UK res ...

Lead MuleSoft Dev: API & Integrations (SC Eligible)

Capita Shared Services Limited is hiring a Lead MuleSoft Developer based in West London. This is a full-time opportunity where you will be responsible for the delivery of APIs and integrations on the MuleSoft Anypoint Platform. The ideal candidate must be eligible for SC clearance and will focus on des ...

Hybrid Client Side Civil Engineer – Residential Developments

The American Society of Civil Engineers is seeking an Engineer – Residential Developer in Norwich. This client-side engineering role focuses on technical oversight and design management, working with a supportive team on high-value developments. The ideal candidate should have 5+ years in civil enginee ...

Senior Angular UI Engineer – FinTech Risk & Fraud

DCV Technologies in Basildon is seeking a Front End-Angular developer for a long-term contract position. You will play a key role in developing scalable user interfaces for fraud management and risk monitoring in a leading fintech environment. The ideal candidate has over 4 years of experience with Ang ...

Junior Software Developers Java, C#, Python London in London Vantage Point

Junior Software Developer – Java, C#, Python (London) Location: London, United Kingdom Posted: 9 months ago Responsibilities Write and maintain code for innovative applications and systems. Tech Stack Java C# Pyth ...

Angular & Python Dev — Cloud Native AWS Engineer (London)

Net2Source (N2S) is looking for an Angular Developer with Python in London, UK. Ideal candidates will have 6-14 years of experience in Angular, AWS, and Python, along with skills in cloud architecture and microservices. The role involves developing secure web applications, integrating components, and supporting ...

Senior Backend Engineer — Real Time IoT & Cloud

Knowio by Inniovate is seeking a seasoned Backend Developer based in Derry/Londonderry. The ideal candidate will have at least 5 years of experience, proficient in Node.js and TypeScript, and experienced with AWS services, Redis, and WebSockets. This role involves designing scalable services and making pivotal a ...

React.js Engineer for Quant Hedge Fund (Typescript)

Java Script Works is seeking a React.JS Developer to join a prestigious hedge fund located in Greater London. This role offers a competitive salary of £120,000 plus bonuses. The ideal candidate will possess strong expertise in JavaScript and Typescript, alongside ReactJS development. The successful can ...

Low Latency Java Engineer – Algo Trading Front Office

Deutsche Bank is seeking a developer for its Quantitative Fixed Income Engineering team in London. You will focus on low latency applications, closely collaborating with engineers, quants, and traders. Ideal candidates will have strong Java skills, experience with high performance development, and familiarity wi ...

Client Side JavaScript Engineer — Build & Launch Features

Java Script Works is seeking a Client Developer based in Greater London, England, to manage the development and delivery of client-side components. The ideal candidate will have strong JavaScript skills, including experience with vanilla JS, prototypes, and design patterns. You will be responsible for ...

Graduate Trading Systems Engineer (C++/Python) – London | Yearly Ski Trip

Stars Arena is seeking a Graduate Developer for Trading Systems in London, United Kingdom. The ideal candidate should have a background in C++ and Python, showing enthusiasm for trading development. With a competitive salary of up to £50,000 plus bonus, this full-time position offers a yearly ski trip as a benef ...

Low Latency C++ Trading Platform Engineer (Hybrid)

Radley James is seeking a C++ Trading Platform Developer to join their London team. This role offers the chance to build and scale a global trading platform in a high-performance and fast-moving environment. Candidates should possess strong C++ skills and a deep understanding of performance optimisation. The com ...

OKTA/IDAM Engineer — SSO, OAuth & Cloud Identity

Golang Works is seeking an OKTA/IDAM Developer based in London, United Kingdom. The role involves working with technologies such as OAuth, SSO with OIDC, and Okta Lifecycle Management. As part of a full-time position, candidates will not be provided with visa sponsorship. Competitive compensation is of ...

Junior Quantitative Researcher – Applied Scientist (London)

Quant Capital is seeking a talented Junior Quantitative Researcher/Developer in London to analyze large-scale real-world data sets. The ideal candidate should have a strong quantitative background, good attention to detail, and significant academic achievement at PhD level. Proficiency in programming languages s ...

Senior Salesforce UI/JS Lead (Visualforce)

Java Script Works is seeking a Salesforce Developer - Lead in London, United Kingdom. The candidate must have strong hands-on experience with JavaScript and JQuery, and be adept at developing user interfaces using Visualforce. The role is full-time, offering a salary in the range of £60K - 75K. Ideal candidates ...

Hybrid Quant Python Engineer — London, High Growth

Java Script Works is seeking a talented developer to join a leading Quant Investment management firm in London. This role offers an excellent working environment with ongoing training and a structured career path. You can expect a competitive salary along with a substantial bonus from day one. Skills required in ...

Java Engineer: Algorithmic & High Performance Systems

Millennium is seeking a Java Developer to join our high-performing Algorithmic Development team in London. The ideal candidate must possess strong hands-on Java skills with an understanding of concurrent and multi-threaded application environments. This is a full-time role that presents an excellent opportunity ...

Next.js Frontend Engineer for SaaS Platforms

Java Script Works seeks a Frontend Developer to enhance the development of their platform using React.js and Next.js. The role involves collaborating with UX/UI designers and back-end developers to create responsive, user-friendly web applications. Candidates should have a strong understanding of HTML5, CSS3, an ...

Elite New Homes Sales Executive | Melton Mowbray

DallasWylde seeks a New Homes Sales Executive in Melton Mowbray. The role offers a competitive salary with excellent earning potential in a supportive team environment. Candidates should have proven experience in new homes sales, a passion for property, and a customer-focused approach. This is a fantastic opport ...

Senior Scala Backend Engineer — AI Platform & Microservices

Signify Technology, based in Greater London, is looking for an experienced backend developer with expertise in Scala. This role involves developing and scaling a distributed AI-driven platform, focusing on building features, integrating third-party tools, and collaborating with stakeholders. Key qualifications i ...

Hands on Power BI & Azure BI Specialist Hybrid

Maxwell Bond seeks a BI Developer to join their team in Manchester City Centre. This hybrid role involves hands-on work with ETL processes, data modeling, and Power BI development, aimed at enhancing the company's analytics capabilities. You will work closely with a team to improve reporting and create a scalabl ...

Supply Chain Planning Solutions Engineer

Board in Greater London is seeking a Solution Developer for Supply Chain Planning. This role focuses on developing planning models and workflows to enhance supply chain processes. The ideal candidate will have 2–4+ years of experience in supply chain planning, strong analytical skills, and familiarity with forec ...

Senior Python & Cloud Infra Engineer (Hybrid London)

Oliver Bernard is seeking a highly skilled Python Developer to join a leading London-based technology company. This role focuses on Python/Flask programming, with significant emphasis on Infrastructure and cloud-based solutions, working 2-3 days a week in the office. Ideal candidates will have strong experience ...

Software Engineering Curriculum Lead & Content Architect

DataCamp is looking for a Software Engineering Curriculum Developer in Greater London. The role involves owning the curriculum roadmap, collaborating with instructors, and ensuring high-quality content development. Key qualifications include proven full-stack web development experience, expertise in instructiona ...

Lead Java/Kotlin Engineer — Agile, TDD, Prime Brokerage

Citigroup Inc. is seeking a Java (Kotlin) Developer (Agile, Test-Driven) – VP in Greater London. You will engineer the future of global finance, driving innovation and outcomes. Collaborate closely with high-calibre engineers, providing technical leadership for the Core Prime Brokerage platform. Enjoy a compe ...

IT Development & Support Analyst — Build & Improve Apps

Punch Pubs & Co is seeking a proactive individual to join the IT team as a developer. You will support the development and maintenance of business process applications while focusing on user feedback and application performance. This office-based role in Burton upon Trent offers a competitive salary, p ...

Civil Engineer

Caralex Recruitment have been asked by a residential developer to find them a Civil Engineer to join their well-established Technical department. The role will entail appointing, overseeing and managing external civil engineering design consultants involved in various residential developments. Y ...

Development Manager

Development Manager Hospitality (UK Portfolio) A growing hospitality developer and operator is seeking an ambitious Development Manager to join their expanding team, delivering projects across a portfolio of 200 key hotels throughout the UK. This is a standout opportunity for someone lookin ...

Handyman Multiskilled Barnstaple

CSCS Handyman Multiskilled - Barnstaple - Rate £22.00 per hour We are currently in search for a CSCS Handyman for a residential restoration project in Barnstaple for a residential Developer in the Southwest Main Duties - Snagging, filling in, pathing making good, window & Door adjustments, pain ...

Debt Capital Markets Director

Join to apply for the Debt Capital Management Director role at Tishman Speyer . Tishman Speyer creates vibrant destinations and dynamic environments that inspire innovation and connected communities. As a diversified developer, operator, and investment manager of top‑tier real estate ...

Copy of SC Cleared Business Intelligence (BI) Analyst / Developer – Edinburgh / Glasgow

Company DescriptionAt Turner & Townsend we’re passionate about making the 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. Every day we help our major global clients ...

🚀 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