• United Kingdom Jobs Expertini profile avatar

    • Contract Fullstack Javascript Developer Jobs in UK

    Professional job seekers finding United Kingdom jobs through Expertini
    750,000+ professionals on Expertini 750,000+ Candidates
    Join our global community
    Explore Leading Employers
    High-Paying Careers
    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.

    1. Expertini
    2. United Kingdom
    3. Jobs
    4. Contract Fullstack Javascript Developer Jobs in United Kingdom

    5. Download PDF

    Reset

    Create Job Alert
      Add Alert

     
     
    Create Alert
     
    Reset

    Senior Front End Developer

    Location: London Work pattern: 4 days onsite Wedo is partnering with a high-growth Series A AI company building next-generation enterprise software powered by autonomous AI agents. Backed by Sequoia Capital and other top-tier investors, the business has already landed major enterprise custo ...

    Lead UiPath Automation Developer

    Asda is seeking an experienced Lead Developer - UiPath to drive technical excellence within the team and lead new automation initiatives. This role involves collaborating with team members and business partners to assess and build intelligent automation solutions, where strong leadership and stakeholde ...

    Full Stack Software developer

    About the Company A multidisciplinary agency delivering creative, print, project management and installation solutions for global brands. The business specialises in large-format print, retail graphics and end-to-end campaign delivery from concept through to installation. Why This Role M ...

    Full Stack Java Developer

    Position: Full stack Java developer Location: Basildon, UK (5 days a week from office) Contract: 6-12 month contract position Role Summary We are looking for Full‑Stack Engineers with a strong backend foundation to help scale an existing merchant risk and compliance platfo ...

    Algorithm Developer (Weapon Systems)

    Salary Circa £55,000 depending on experience Working Arrangements Dynamic (hybrid) working: 4 days per week on‑site due to workload classification Security Clearance British Citizen or a Dual UK national with British citizenship. Restrictions and/or limitations rela ...

    Scala Developer Public Sector

    Scala Developer 3 months Fully remote 450-500 (Inside IR35) We are seeking a skilled Scala Developer to join our team and contribute to a crucial public sector project. As a developer, you will play an integral role in creating, deploying, and maintaining scalable applicat ...

    Trading Developer x 2

    Yearly salary 60,000.00 GBP - 75,000.00 GBP We are seeking skilled Trading Developers to design and deliver high-performance trading tools and automated processes that enable profitable trading across multiple markets and commodities. You will play a key role in building robust, scalable, and secur ...

    QuickBooks Salesforce Integration Developer

    Closed We are looking for an experienced QuickBooks API integration developer to collaborate with our back‑end team. The goal is to create a seamless integration between QuickBooks and our CRM system. The ideal candidate should have a strong background in working with APIs, specifically QuickBooks, ...

    Full Stack GIS Developer

    About us Make a difference and advance your career by helping deliver some of the UK’s most important #tech4good projects, making the world a smarter, safer, greener, and healthier place. You’ll join a talented team of dynamic and driven professional problem solvers; creative thinkers and ...

    Software Developer Desktop Applications

    This role is based at our offices in Carnwath, South Lanarkshire, and is a full-time office-based role. Duties of the role include: Maintain and enhance existing C# WinForms applications. Develop and optimise SQL queries, stored procedures, and database-driven features. </ ...

    Senior Power Platform Developer

    Where the job is based: Hybrid (home‑based, working with KervDigital office/customer site visits as required). UK HQ, Seven House, 18 High Street, Longbridge, B31 2UQ Who we are: Dive into a world where technology meets innovation. AtKervDigital,we'renot just another tech co ...

    Ruby Developer – 11497AW 6

    11497AW-6 £70k – 80k per year Ruby on Rails Developer Hybrid work 2/3 days onsite per month We are seeking an experienced Ruby on Rails Developer to join our clients growing engineering team. This is an exciting opportunity for a passionate developer who th ...

    Software Developer Sectra Medical

    We believe that you want to build software that contributes to the better good. Your software will save lives and make a difference in society. You will be part of a self organizing team with a shared passion for technology that is responsible for the design, implementation, and quality of the produ ...

    Trading Developer x 2

    We are seeking skilled Trading Developers to design and deliver high-performance trading tools and automated processes that enable profitable trading across multiple markets and commodities. You will play a key role in building robust, scalable, and secure solutions that support front-office trading activi ...

    SC Cleared Python Developer

    What is Citizen Event Analytics? Citizen Event Analytics (CEA) is a cross‑benefit, cross‑channel event history compiled from citizens' interaction (telephony, face to face and digital), claim processing and support events. CEA uses a pipeline that: Extracts event data from d ...

    SC Cleared Python Developer

    Citizen Event Analytics (CEA) is a cross‑benefit, cross‑channel event history compiled from citizens' interaction (telephony, face‑to‑face and digital), claim processing and support events. CEA uses a pipeline that extracts, transforms, and loads event data from different sources into the Uplifted ...

    OneStream Technology Lead/Developer

    OneStream Technology Lead / Developer London - 2-3 days a week - Rate Negotiable Contract - Initially 6 months with a strong chance of extension We are seeking an experienced OneStream Technology Lead / Developer to take ownership of the design, development, and ongoing support of ...

    Boomi Technical Consultant (Developer) – ...

    Boomi Technical Consultant (Developer) - Contract - MUST beSC Cleared Role Title: Boomi Technical Consultant Contract Type: Contractor / Outside IR35 (if applicable) Location: UK-based / Hybrid or Remote Sector: Public Sector Dura ...

    Oracle Developer (CX Sales)

    Oracle Developer (CX Sales) (BBBH25090A) Birmingham, England Salary: GBP65,000 - GBP70,000 per annum + Training, Progression, Company Benefit. Oracle Developer (CX Sales) Remote We are an equal opportunities employer and welcome applications from all suitab ...

    Solutions Developer (Power Platform)

    As a Solutions Developer, you will be hands‑on in the design and build of applications, workflows and data‑driven solutions, primarily using Microsoft Power Platform, while applying sound software and systems thinking rather than tool‑specific approaches. You will work on a varied portfolio of projects, fr ...

    Senior Finance Systems Developer

    Senior Finance Systems Developer (Permanent) Location: Edinburgh Salary: £47,680 - £59,600 (competitive based on experience) Closing date: 14 May 2026 We are looking for a Senior Finance Systems Developer to join our Finance department on a permanent basis. This is a crucial ...

    Lead Full Stack Developer

    You will join one of the UK’s leading SAAS company with products in the B2B sales and marketing space. They are currently looking at growing their teams due to company growth. The team are looking for a Lead Full Stack Engineer / Tech Lead to play a pivotal role in shaping and delivering a modern, cloud‑na ...

    Lead Full Stack Developer

    About VOIS VOIS (Vodafone Intelligent Solutions) is a strategic arm of Vodafone Group Plc, creating value for customers by delivering intelligent solutions through Talent, Technology & Transformation. As the largest shared services organisation in the global telco industry with 30,000 FTE, our po ...

    Senior OMS Developer (Java)

    Job Title: Java Developer (OMS Specialist) Location: London (Hybrid Working) Working Pattern: 2–3 days onsite per week Employment Type: Permanent Overview A London-based financial technology organisation is seeking an experienced Java Developer to join its engineer ...

    Lead Full Stack Developer

    Meteor Asset Management are building a new digital capability to support and scale their investment and research platforms. We’re looking for an experienced Lead Full-Stack Developer to take ownership of technical direction, mentor a growing team, and deliver secure, high-quality software across ou ...

    Senior Product Developer, Shoes

    At Burberry, we believe creativity opens spaces. Our purpose is to unlock the power of imagination to push boundaries and open new possibilities for our people, our customers and our communities. This is the core belief that has guided Burberry since it was founded in 1856 and is central to how we operate ...

    Senior Product Developer, Shoes

    At Burberry, we believe creativity opens spaces. Our purpose is to unlock the power of imagination to push boundaries and open new possibilities for our people, our customers and our communities. This is the core belief that has guided Burberry since it was founded in 1856 and is central to how we operate ...

    Python Developer / Team Lead

    Python Developer / Team Lead (London / WFH up to £120k) Overview Are you a skilled Python Developer with team leadership experience? You could be progressing your career at a well‑funded and profitable FinTech start‑up. As a Python Developer / Team Lead you’ll head up a sm ...

    Back End Developer (Senior)

    Salary £80k to £120k plus Quarterly bonuses Role Description We are seeking a talented Senior Backend Engineer to join our London-based team full-time. You will play a key role in building and scaling the core infrastructure of our AI platform, owning critical backend systems, and ...

    BI Developer Warrington chevron_right

    Are you ready to take the next step in your data and analytics career? We have an exciting opportunity for a motivated and detail-oriented individual to join us as a BI Developer at Trust Alliance Group. As a BI Developer, you will play a vital role in enhancing our business intelligence capabiliti ...

    Full Stack MERN Developer

    We are seeking a highly skilled Full Stack MERN Developer to join our team. This position requires strong technical expertise, project management capabilities, and leadership in web and mobile application development. The ideal candidate must be proficient in MongoDB, Express.js, React.j ...

    2026 Internship, Quantitative Developer

    Programme duration: from 5 to 6 months, starting in 2026. Who qualifies : Penultimate or final year students completing a Bachelor's, Master's. Qube Research & Technologies (QRT) is a global quantitative and systematic investment manager, operating in all liquid asset ...

    Scientific Simulation Software Developer

    About Us At Wave Photonics, we are building a platform to enable and accelerate the development, mass production and adoption of integrated photonics technologies. Our focus spans energy‑efficient communications, wearable healthcare sensors, rapid diagnostic tools, optical tensor processors, on‑c ...

    Quantitative Developer (Asset Management)

    Full-time Permanent/Regular or Fixed Term Contract/Temporary: Permanent (UK and ROW) / Regular (US) L&G Business Unit: Legal & General Investment Management L&G sub Business Unit: LGIM Primary Location: London, One Coleman Street Job Family: Investments LGI ...

    Software Developer, Sports Content

    Company Description At bet365, 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 9,000 people and serve over 100 million customers in 27 languages. Our focus on In-Play betting has solidified our m ...

    Front End Web Developer

    We are seeking someone to set up and configure online voting sites and other election-related sites using Civica Election Services’ bespoke Content Management System. Setting up and configuring online voting sites, nomination sites, and platforms (sites that host additional election informati ...

    Lead Developer – Power Platform

    The following content displays a map of the jobs location - Northampton Fixed term contract until 30th June 2027 West Northamptonshire Council 2.24K subscribers Drive Workforce Innovation & Digital Excellence (WIDE) Are you ready to show us what’s truly possible with ...

    Front Office Developer (Commando)

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

    Full Stack Node Developer

    At Bourn we're building and scaling a game changing suite of fintech products across risk, lending, billing and payments. TypeScript with NestJS microservices (controllers, services, DTOs, Swagger/OpenAPI) MongoDB Apache Kafka event-driven architecture with Avro serializat ...

    Ruby Developer – 11497AW 4

    11497AW-4£70k – 80k per year Ruby on Rails Developer Hybrid work 2/3 days onsite per month We are seeking an experienced Ruby on Rails Developer to join our clients growing engineering team. This is an exciting opportunity for a passionate developer who thrive ...

    ServiceNow/Halo ITSM Developer

    AgileSource are currently looking for ServiceNow/HALO/Salesforce Developers on a Permanent basis. Our client is an award winning, digital consultancy with an exception background in client delivery. They typically work across Government, Defence and Financial Services organisations. Prov ...

    Software Developer, Sports Content

    Job Description As a Software Developer in the Martech Sports Content team, you will be responsible for the Marketing, Affiliates systems, and various content management platforms used across the Business. The Martech Sports Content team is responsible for developing and enhancing our pla ...

    Senior Software Developer, FollowScores

    The FollowScores backend team is responsible for the systems involved in delivering data to our iOS and Android apps, using web sockets and REST APIs. Core skills within the team are Golang, Redis and GCP. Full-time Closes 17/06/2026 Your skills as a Senior Software Developer will s ...

    Front Office Java Developer

    We are seeking a Java Developer with strong Front Office Foreign Exchange (FX) technology experience to join a major strategic modernisation programme. The programme is focused on migrating a large-scale, business-critical FX trading platform from a legacy C++ architecture to a modern Java-based platform. ...

    Ruby on Rails Developer

    Role As an Integration Engineer, you will play a key part in building and maintaining the integrations that connect customer WMS systems to DexoryView, our data insights platform. Working closely with the engineering and integration support teams and communicating externally with Dexory’s custome ...

    Software Developer Commissioning Team

    NuclearPermanent / DigitalBridgwaterUnited Kingdom13/05/26On siteABOUT ASSYSTEM️ About AssystemAt Assystem, our mission is to accelerate the energy transition worldwide. Our 8,000 Switchers blend historical engineering expertise with cutting-edge digital technologies to drive this change. Join us in revolutioniz ...

    Software Developer Research Technology

    XTX Markets is a leading algorithmic trading firm which uses state-of-the-art machine learning technology to produce price forecasts for over 50,000 financial instruments across equities, fixed income, currencies, commodities and crypto. It uses those forecasts to trade on exchanges and alternative trading ...

    Front Office Derivatives Developer

    Marex in Greater London is seeking a Front Office Developer to deliver trading tools and applications focusing on hedging and risk management. The ideal candidate should have strong skills in Python and software design, along with the ability to work autonomously and under pressure. This position entails close c ...

    AI Application Developer Undergraduate

    Pfizer UK Undergraduate Programme 2026/2027AI Application Developer Undergraduate PlacementPfizer DigitalWho can apply?Applicants must be completing a placement as part of a degree course at a UK University, either through Year in Industry/Industrial Placement or Gap Year.Please note that we will only consider c ...

    Senior Front End Developer

    Are you a Front End Developer who enjoys building modern, high-quality user interfaces in a product-led environment? Do you want to take real ownership of front-end development in a role where your work directly shapes the user experience? We‘re looking for a Senior Front End Developer to joi ...

    🚀 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 →

    💡 Tools that really enhance your application chances and career growth.

    Go to Your Dashboard →

      Contract Fullstack Javascript Developer Jobs in United Kingdom Job Search Guide, Trends and Insights