• United Kingdom Jobs Expertini profile avatar

    • 2,024,900+ Full Stack Software Engineer Javascript React Elixir Jobs in UK — Top Companies Hiring June 2026

    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. Full Stack Software Engineer Javascript React Elixir Jobs in United Kingdom

    5. Download PDF

    Reset

    Create Job Alert
      Add Alert

     
     
    Create Alert
     
    Reset

    Prediction Markets Software Engineer Real Time Trading

    A diversified trading firm in Greater London seeks a Software Engineer for the Prediction Markets Desk. The role involves building systems for trading, from pricing input pipelines to risk management, primarily in Python. Candidates should have over 2 years of experience and the ability to work in dynamic enviro ...

    C++ Software Engineer — Low Latency Trading & Systems

    Old Mission in London is looking for a C++ Software Engineer to enhance their trading infrastructure. You will develop trading algorithms and build scalable applications within a dynamic team. Candidates should have a BS degree and over 3 years of C++ experience. Excellent benefits include a competitive salary, ...

    Software Engineer Intern — Visa Sponsorship + Fast Growth

    A forward-thinking trading technology firm in London is seeking interns to join their team. This role offers exposure to projects in trading technology, hardware acceleration, and systems programming. Interns will work with a diverse tech stack, including Java, Python, TypeScript, and Kubernetes, while prioritiz ...

    Software Engineer Real time Media (Hybrid London)

    Cisco Systems, Inc. is looking for a Software Engineer to join its Webex Real-time Media Engineering Group in Greater London. This role involves full lifecycle development in an agile environment, managing microservices, and utilizing AI tools for productivity. Ideal candidates will have at least 3 years of prog ...

    Staff Software Engineer Warehousing Blue Yonder Dispatcher

    As part of the M&S Software Engineering team, you’ll be joining a well‑loved historic brand, working on solutions that serve millions of loyal customers and thousands of colleagues! With ethical values that run right through the company’s core and technology leaders that truly understand software engineers ...

    Hybrid Software Engineer I – Fintech Payments, Growth

    Checkout Technology Ltd is looking for software engineers to develop next-generation payment technologies that enable merchants to boost acceptance rates and create extraordinary customer experiences. You will collaborate with cross-functional teams, design scalable systems, and mentor junior team members. </ ...

    Latency Driven Software Engineer (C++, Production Systems)

    A quantitative trading startup is looking for a software engineer to join their team in Greater London. The role involves developing and maintaining scalable trading applications, with a focus on optimizing systems for latency and bandwidth. Candidates should have substantial experience with C++11 or higher, des ...

    Software Engineer: Build Production Grade AI Agents

    A leading AI firm in Greater London is seeking a motivated individual to design and deliver cutting-edge AI agents that drive revenue growth. This role offers complete ownership of the development lifecycle, allowing you to innovate and solve pressing business challenges for large enterprises. Ideal candidates s ...

    Software Engineer III Backend Engineering Java/Kotlin

    Job Description Out of the successful launch of Chase in 2021, we're a new team, with a new mission. We're creating products that solve real world problems and put customers at the center - all in an environment that nurtures skills and helps you realize your potential. Our team is key to ou ...

    UAV Software Engineer (C++, Python, MATLAB) — Hybrid

    MacStaff is seeking a Software Engineer to design and develop software solutions for UAV and drone projects in Swindon, Wiltshire. You will work collaboratively in a multidisciplinary engineering team while drawing on your expertise in C++, Python, and MATLAB. The ideal candidate will have experience in flight c ...

    Senior Software Engineer – Services & Automation (Hybrid UK)

    Capital One (Europe) plc is looking for a Senior Software Development Engineer in Nottingham. This role involves designing and developing internal software solutions for business process automation. Candidates should have exceptional programming skills in modern OO languages, particularly Java, and experience wi ...

    Senior Python Software Engineer, Finance Data Optimization

    LSEG is seeking a mid-level software engineer to join the Optimisation CoreTech Strats team in London. You will contribute to building systems that power large-scale optimisation runs for global financial institutions and collaborate with colleagues to enhance infrastructure and applications. The ideal ...

    Hybrid Software Engineer: C#, WPF, Vue.js, Modernization

    Proactive.IT Appointments Limited is seeking a talented Software Engineer in Bristol to join their growing team with a hybrid working model of 2 days onsite per week. The role involves designing, developing, testing, and maintaining both desktop and web applications using C#, WPF, and Vue.js, working closely ...

    Remote Embedded & Web Software Engineer | Flexible Hours

    A technology company based in Greater London is seeking software developers to join their teams for positions focused on embedded systems, desktop and embedded development, and full stack web development. Ideal candidates will have experience in languages such as C++, Python, and Go, along with familiarity in te ...

    Senior Software Engineer Confluent Cloud Infrastructure & Platform

    Introduction At IBM Software, we transform client challenges into solutions. Building the world’s leading AI‑powered, cloud‑native products that shape the future of business and society. Our legacy of innovation creates endless opportunities for IBMers to learn, grow, and make an impact on a glob ...

    Lead C# Software Engineer – Azure & Insurance Pricing

    Willis Towers Watson in Reigate is seeking a Lead Software Engineer to join their dynamic development team. You will work on enhancing insurance pricing solutions with C# .NET and innovative software engineering practices. The role includes mentoring juniors, sprint planning, and implementing best practices for ...

    Software engineer (IT) in London Computer Futures

    Cross-functional teams Integration of AI capabilities into contact center solutions. Requirements Write clean, efficient, and maintainable code in TypeScript. Implement and advocate for DevOps best practices, including CI/CD pipelines, automated testing, and infrastruct ...

    Principal Software Engineer: Architect Growth Ready Systems

    A leading insurtech company in Greater London is seeking a Principal Engineer to shape the technology direction and drive modernization initiatives. You'll lead by example in designing and delivering resilient, high-quality systems, and mentor junior engineers. A proven track record with AWS, Golang, and contain ...

    Cyber Software Vulnerability Engineer — Reverse‑Engineering & Defense

    Forwardrole is seeking a Cyber Software Vulnerability Engineer to join their National Security division. This position involves software analysis, reverse engineering, and collaboration with cybersecurity teams to enhance security measures. Candidates should have proficiency in C/C++, Python, and experience with ...

    Staff Software Engineer Authentication & Authorization London, UK

    Staff Software Engineer - Authentication & Authorization London, UK Please note this is for London, UK. You only need to apply to one location if there are multiple listed for the job. Apply Now At Ripple, we’re building a world where value moves like information does toda ...

    Senior Software Infra Engineer Hybrid Cloud & Automation

    A leading quantum computing start-up in the United Kingdom is seeking a Senior Software Infrastructure Engineer to manage and develop innovative cloud-based solutions. This role involves optimizing a hybrid environment, driving automation, and leading technical projects. Ideal candidates will have a strong backg ...

    Field Deployments Software Engineer for Autonomous Systems

    Understanding Recruitment is hiring a Deployed Software Engineer in Greater London, UK. This role involves deploying cutting-edge AI software into real operational environments while collaborating with customers and users. Candidates must have strong software engineering skills in languages such as Python, C++, ...

    Lead Embedded Software Engineer — Electric Drive (Hybrid)

    ARCA is seeking an experienced Lead Software Engineer to oversee embedded software development for next-generation electric drive systems. This role combines technical leadership and team management in a multidisciplinary engineering environment, ensuring high-quality software in a safety-critical automotive ...

    Principal Software Engineer Lead Secure UK Systems

    A leading global aerospace and defense technology company in Manchester is seeking a Principal Software Engineer. In this pivotal role, you will design and maintain critical infrastructure, guiding teams through technical challenges. Candidates should have strong experience in backend development technologies su ...

    Real Time Embedded Software Engineer (C++/Rust)

    A consulting firm in Melbourn is seeking a Software Engineer with 2 to 5 years of experience. Candidates should be qualified in a relevant subject area and passionate about quality software delivery. Responsibilities include collaborating as part of a team and working on purposeful projects. Must be eligible for ...

    Security Cleared Software Engineer Cloud, Agile & Growth

    A growing technology company in the UK is looking for Software Engineers to design and maintain high-quality software systems. This role involves working on meaningful projects in a flexible environment. Candidates should have strong foundational skills in software engineering, with experience in languages like ...

    Lead Software Engineer Build Secure, Scalable Systems

    A leading technology firm in Cheltenham is seeking a Principal Software Engineer. This role involves leading a team, working through the software development lifecycle, and ensuring customer requirements are met. Candidates should have strong experience in Java or frontend technologies, excellent communication s ...

    AI Software Engineer: Build Scalable, Secure Solutions

    Limelight Health is seeking an AI Software Engineer to design, develop, and improve software solutions. You will work in Knutsford, and your responsibilities include delivering high-quality software, collaborating with cross-functional teams, and adhering to secure coding practices. The ideal candidate ...

    Real Time C++ Software Engineer — Command & Control

    MBDA is seeking a highly capable Software Engineer to join our Bristol facility. This role involves developing solutions for next-generation Air Defence Systems and offers a hybrid working model. Candidates should have a strong background in software engineering, experience in C++, and a collaborative ...

    Senior Software Engineer Rock Physics Desktop & Cloud

    Halliburton in Milton is seeking a Senior Software Engineer to lead the development and enhancement of high-performance Rock Physics applications. This role involves modernizing legacy systems, mentoring junior developers, and ensuring code quality using AI-assisted tools. Ideal candidates will have a ...

    Staff Software Engineer — AI Platforms for Healthcare

    C&D Talent Advisory is seeking a Staff Software Engineer for a stealth healthcare AI startup based in the EU. This role involves designing and scaling core systems for AI-driven healthcare products, focusing on intelligent triage and patient communication. The ideal candidate has over 7 years of experi ...

    .NET Software Engineer Leeds (Hybrid) Circa £55k

    Overview .NET Software Engineer - Leeds (Hybrid) - Circa £55k. Are you an experienced .NET Software Engineer looking to take your career to the next level? We're seeking a .NET Software Engineer to join a dynamic team in Leeds, with a hybrid working model (once a week or so). What You'll ...

    Contract NI LabVIEW Software Engineer Security Cleared

    Arm is seeking a Software Engineer for a 12-month contract based in Edinburgh, paying up to £68 per hour. The role involves creating and delivering software solutions while ensuring stakeholder needs are met. Applicants should be experienced in NI LabVIEW and Agile development. This position requires h ...

    Senior Software Engineer: Unified Trading Platform & Orders

    P2P is seeking an experienced server-side developer with a strong foundation in micro-service architectures and expertise in Java, Python, and Clojure. You will work on both legacy and new developments, driving projects to completion with an emphasis on scalability and testing. The successful candidate ...

    Lead Software Engineer AI for Risk Technology

    Lead Software Engineer for AI - Vice President at JPMorgan Chase As a Lead Software Engineer for AI - Vice President at JPMorgan Chase in Risk Technology, you will lead a specialized technical area, driving impact across teams, technologies, and projects. You will leverage your expertise in softw ...

    Founding Software Engineer — AI FinTech, Visa Sponsorship

    EasyInfoBlog.com LLC is seeking a Software Founding Engineer to spearhead innovative tech solutions from our London or San Francisco offices. This role involves crafting and implementing cutting-edge financial data systems while collaborating closely with founders. The ideal candidate will possess a de ...

    Fintech Graduate Software Engineer (Backend) Regtech 2026

    Suade is seeking candidates to join our Graduate Software Engineering programme, which focuses on developing innovative Regulatory Technology (RegTech) software. If you are passionate about technology and finance and want to start your software engineering career, we invite you to apply. Please not ...

    Software Development Engineer II (Java) Customer API

    Tesco UK • Welwyn Garden City • Hybrid • Full-Time • Permanent • Working hours 36 • Apply by 01-Oct-2026 As an SDE2 at Tesco, you are a mid-level individual contributor whose impact reaches across your team. You provide technical leadership for medium to large features, participate in their ...

    Software Engineer, Generative AI Platform (Backend/ML)

    Scale AI, Inc. is looking for a skilled engineer to join their Scale GP team in Greater London. This role involves owning significant areas of the product, developing backend services in Python, and integrating LLMs and modern AI infrastructure. Ideal candidates will have a minimum of 4 years of experi ...

    Lead Embedded Software Engineer, Safety Critical Systems

    Copello is looking for a Senior / Principal Software Engineer to join their team in Maidstone, Kent. This role involves leading the design and development of embedded software for safety-critical systems, requiring expertise in C/C++, as well as knowledge of UML and safety-critical standards. The posit ...

    Software Engineer – Real Time Microservices for Marketing

    Omaze is seeking a Software Engineer for its Acquisitions team in Edinburgh. You will work on micro-services to enhance marketing efficiency, focusing on real-time data systems. The ideal candidate will have strong backend engineering skills in Java and experience with ReactJS. The role offers professi ...

    Software Engineer: Global Scale, Privacy Focused Systems

    Apple is seeking a Software Engineer in London to contribute to their Information Systems and Technology team. This role involves working throughout the software development lifecycle, focusing on building innovative solutions that scale with Apple's rapidly growing business. The ideal candidate will b ...

    Staff Software Engineer Real Time Fleet Sustainability

    Antler is seeking a Staff Software Engineer to lead the technical strategy for their Sustainability product suite. You will architect solutions and drive initiatives to enhance resource efficiency within global transportation and infrastructure. The ideal candidate has a proven track record in designin ...

    Software Development Engineer, Photos UI, Camera & Photos

    Summary Apple is a place where you can build incredible products that affect the whole world. It's a place where every detail matters, where we obsess about the experience, and where everything is about surprising and delighting the customer. The Photos app is one of these iconic Apple ex ...

    C++ Software Engineer — Embedded for Aerospace & Defence

    Leonardo Worldwide Corporation is seeking a C++ Software Engineer for their Edinburgh location. This role involves working on cutting-edge defence projects, collaborating within an agile team to enhance capabilities in fast jets. The ideal candidate should have strong C++ skills, experience with agile ...

    Manchester Software Engineer — Cloud Native & CI/CD

    Accenture is seeking a Software Engineer in Wythenshawe to develop and deploy applications using both traditional and serverless technologies. The ideal candidate will have experience in programming languages such as Java, Python, and AWS. Key responsibilities include supporting agile development and ensuring ...

    Lead Software Engineer Real Time Telemetry (Motorsport)

    Smedley-Group in Bicester is seeking a Lead Software Developer to lead a small team and build robust software platforms for motorsport and technology ventures. This hybrid role involves working closely with various stakeholders to deliver reliable software utilized across race operations and analytics. <p ...

    C++ Software Engineer – High Performance Telecom Systems

    SS8 in Kingston upon Thames is looking for a C++ Software Engineer with 4 years of experience to join our core engineering team. This role focuses on hands-on C++ development for high-performance data processing systems in telecom environments. The ideal candidate will work on modern C++ software, optimize ap ...

    Rock Physics Software Engineer: Desktop & Cloud Apps

    Halliburton Energy Services in Abingdon seeks an experienced Software Engineer for Rock Physics Applications. The role involves designing, developing, and modernizing applications, collaborating with teams to ensure high performance and reliability. The ideal candidate has a minimum of 3 years of profe ...

    Software Engineer (Rust/Python) – Build Distributed Systems

    A leading betting exchange company in Greater London is seeking a Mid-Level Software Engineer to design and maintain core services. Candidates should have over 4 years of experience with Python or a compiled language, strong communication skills, and a passion for technology. The role involves collaborating with ...

    🚀 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 →

      Buffering Video...

      Full Stack Software Engineer Javascript React Elixir Jobs in United Kingdom Job Search Guide, Trends and Insights