• United Kingdom Jobs Expertini profile avatar

    • 2,155,242+ 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

    Senior Geotechnical Design Engineer — High Impact London Projects

    McGee is seeking an experienced Senior Geotechnical Engineer to join our in-house Construction Engineering Team in Greater London. In this pivotal role, you will deliver geotechnical design and analysis for complex projects. Responsibilities include managing geotechnical risks, collaborating with project teams, ...

    Senior Sales Engineer P4 – Enterprise Pre Sales

    Perforce Software is looking for a Sales Engineer to join the P4 team in Bracknell. This role involves working closely with tier-1 enterprises, requiring strong presentation and technical skills. You'll handle pre-sales activities, develop strategies to expand customer reach, and support technical discovery. ...

    Senior Highways Design Engineer — Lead & Innovate

    KIER GROUP is looking for a Senior Highways Design Engineer to join our design team in Salford. This role involves preparing detailed designs, conducting feasibility studies, and ensuring compliance with relevant regulations. Candidates must have a membership with a professional body or be working towards IEn ...

    ML Platform Engineer — Scale Training for Trading

    Aurum Search Limited is looking for a Senior AI/ML Platform Engineer to enhance its predictive machine learning models for trading strategies at a leading quantitative hedge fund with $20bn AUM. The successful candidate will work on modernizing research platforms and integrating ML models into high-frequency ...

    Senior Reservoir Engineer — Lead Modeling & Field Optimization

    An established industry player is seeking a Senior Reservoir Engineer to enhance production and optimize recovery in the oil and gas sector. This role involves constructing reservoir models, managing engineering studies, and collaborating with diverse teams to identify drilling opportunities. The ideal candidate ...

    Lead Embedded HMI Engineer (Qt)

    A leading manufacturer of heavy machinery in Rocester is looking for a highly skilled Principal Embedded Displays Software Engineer (Qt) to lead the development of innovative Human–Machine Interface (HMI) applications. The ideal candidate will have strong leadership capabilities along with a minimum of 5 years o ...

    Senior Civil Design Engineer Water Infrastructure (Hybrid)

    Advance Training & Recruitment Services is seeking a Civil Design Engineer to support a key client in the UK water sector. This role involves delivering civil design solutions across various water projects, both infrastructure and non-infrastructure, and includes working with technical drawings and compliance ...

    Embedded Systems Engineer: Bare Metal ARM Firmware

    Huber+Suhner in Cambridge seeks an experienced Embedded Systems Engineer to contribute to the development of firmware for ARM-based microcontrollers and enhance hardware-software integration. You will work closely with cross-functional teams on low-level device interfaces and participate actively in Agile pro ...

    Senior Backend Engineer E Commerce & Cloud (Hybrid)

    Maker&Son Ltd is seeking a highly motivated Senior Software Engineer to join their team in Haywards Heath. The role involves developing, maintaining, and scaling backend services for e-commerce systems, with opportunities to work both in the office and remotely. The ideal candidate will have over 5 yea ...

    Senior Big Data Engineer — Java/Scala, Data Lake

    COLLAB. Recruitment Ltd is seeking a Senior Software Engineer specializing in Big Data within Greater London. The role requires deep Java and Scala programming skills, with emphasis on TDD and BDD methodologies. Candidates should have solid experience in concurrent and asynchronous design as well as a clear u ...

    Lead Dynamics 365 Engineer — Tech Lead & Mentor

    hackajob is looking for a Lead Dynamics 365 Engineer (Consultant) to join their team in Belfast. In this role, you will manage teams and develop high-quality D365 CE solutions. You will also coach and support your team members in their career development while providing technical direction. The ideal c ...

    IT Systems Engineer: Azure, Networking & SQL Dashboards

    An established industry player seeks a skilled IT Engineer to enhance and support their IT infrastructure. This role involves managing computer systems, software, and networks, ensuring optimal performance and security. You'll be responsible for monitoring Microsoft Azure and Office 365, troubleshooting issues, ...

    AI Driven Security Automation Engineer

    Gelato is seeking an Automation Engineer for their expanding security function in Greater London. The role focuses on designing and implementing automation to manage security workflows using AI tools. Ideal candidates will have experience in software engineering, strong programming skills, and familiarity wit ...

    Platform Engineer: Developer Tools & DevOps (Hybrid)

    Viridiengroup is seeking a Platform Engineer to work on Developer Platform & DevOps Tooling. The role focuses on creating tools and automation that assist engineering teams in developing and operating software on a large-scale HPC platform. The successful candidate will have a solid development backgro ...

    Autonomous Marine Control Systems Engineer

    Resource Area for Teaching is offering an exciting opportunity for a Control Systems Integration Engineer located in Portsmouth. In this role, you will be responsible for integrating hardware and software for our autonomous marine platforms, including configuring and testing sensors and actuators. The ...

    Antenna Systems Mechanical Design Engineer

    Solid State PLC in Leominster is looking for a Mechanical Design Engineer to join their Antennas Division. This role involves designing and developing innovative antenna products and systems for various demanding applications in defense and aerospace. The ideal candidate should have a degree in Mechani ...

    Remote Senior ML Engineer – Python & AWS, MLOps

    Client Server is looking for a Senior Machine Learning Engineer to join a successful car insurance tech company. You will collaborate with Data Scientists and Software Engineers on complex underwriting and pricing systems, implementing ML algorithms and working on data modelling. The role allows for fl ...

    Senior AI/ML Platform Engineering Lead

    J.P. MORGAN is looking for a Senior Lead Software Engineer to influence teams' resources and drive innovative solutions within the AI/ML & Data Platforms group. You will leverage your extensive experience to oversee multi-department projects, making critical decisions to enhance operational outcomes and code ...

    Senior AI Engineer Production ML & Cloud Solutions

    Kainos is looking for a Senior AI Engineer to join their innovative Workday Practice team in Belfast. The ideal candidate will integrate AI and machine learning solutions, ensuring the reliability and performance of AI-driven features. This role requires strong software development skills, particularly in Pyt ...

    Senior Backend Engineer: Go & AI for Trading Platform

    Fanatics is searching for a Senior Software Engineer (Backend) in the United Kingdom. In this role, you will lead the design and implementation of backend services for our FMX trading platform, utilizing your expertise in Java and Go. Your responsibilities will include ensuring high-performance and fau ...

    Senior Structural Engineer — Energy Projects & FEED Lead

    MOTT MACDONALD is hiring a Senior Structural Engineer in Newcastle upon Tyne to lead diverse engineering projects. This position involves detailed Civil/Structural designs, project management, and coordination with multidisciplinary teams on power generation projects. The successful candidate will have ...

    Marine Autonomy Platform Integration Engineer (Remote)

    Sivara GmbH in Plymouth is hiring a Platform Integration Engineer to develop and support autonomous control systems for marine platforms. The role focuses on software integration, testing, verification, and client support across operational environments. Ideal candidates possess a Bachelor's degree in ...

    Lead C# .NET Engineer – Hybrid, Up to £100k + Bonus

    Client Server is seeking a Lead Software Engineer (C# .Net) to join their team in Reigate. You will manage Agile teams, architect and develop features for a flagship insurance platform, and enjoy a hybrid working model where you'll work from home three days a week. In this role, you will receive a comp ...

    Cloud Security Engineer AWS, IaC & CI/CD

    Sivara GmbH in Cowley, United Kingdom is seeking a Security Engineer to join our Security Engineering team. This hands-on DevSecOps role focuses on AWS, Infrastructure as Code, automation, and security tooling. You will work closely with security, cloud, and software engineering teams to build, deploy, and su ...

    Senior QA Engineer: Automation & CI/CD Leader

    hackajob is looking for a Senior QA Engineer to ensure the quality and reliability of a microservices-based platform in the financial services sector. The role focuses on test automation, improving test coverage, and collaborating within an Agile delivery squad. The ideal candidate has strong experienc ...

    Lead Front End Engineer: C# WPF, Onsite, 4 Day Week

    Spectrum IT Recruitment in Portsmouth seeks a Senior Software Engineer specialized in UI/GUI development using C# WPF/XAML. You will lead the front-end development of a new system, creating reusable components for a desktop application designed to operate in naval environments. The ideal candidate has ...

    Senior Civil Design Engineer Water Infrastructure (Hybrid)

    Advance Training & Recruitment Services is seeking a Civil Design Engineer to support a key client in the UK water sector. This role involves delivering civil design solutions across various water projects, both infrastructure and non-infrastructure, and includes working with technical drawings and compliance ...

    Backend IoT/OT Systems Engineer Real Time Data

    ELLIOTT MOSS CONSULTING PTE. LTD. is looking for a Software Engineer to join their team in Penarth, Wales. The role involves developing and maintaining backend systems for integrative project work connecting OT field devices to digital twins. The ideal candidate will have hands-on experience with proto ...

    Applied AI Engineer: Scale LLMs for Firm wide Impact

    SwiftCruit seeks a skilled software engineer to join its Applied AI team in London. As part of this team, you will work on AI solutions that transform how various teams operate within the organization. Your role will involve managing high-impact projects and integrating AI systems across multiple departments. ...

    Lead Geotechnical Design Engineer – London

    Penguin Recruitment is seeking a Principal Geotechnical Engineer to join their multidisciplinary engineering consultancy in London. This role offers the chance to lead geotechnical projects and mentor junior engineers while contributing to the strategic growth of a highly respected company. The ideal c ...

    AI QE Lead Engineer: Drive AI Driven Quality Across the SDLC

    NTT DATA in Greater London is seeking a QE AI Engineer & Architect to join an award-winning Quality Engineering team. This role requires a hands-on approach to product building that spans the entire software development lifecycle, emphasizing innovative AI technologies. The ideal candidate will bring e ...

    Hybrid Mechanical Design Engineer: Precision Motion & NPI

    Enterprise Recruitment Ltd is seeking a Mechanical Engineer to join their progressive business in Cottenham, United Kingdom. In this hybrid position, you'll work three days in the office and two days from home, supporting product modification and NPI activities. The ideal candidate will possess a degre ...

    Lead Offshore Wind Structural Engineer with Python Tools

    Clarehill Associates Ltd is seeking a Lead Structural Engineer with programming experience in Python and Matlab for a role focused on offshore renewable energy. The successful candidate will lead development for an innovative software tool assisting in the design of offshore wind turbine foundations. T ...

    Electronic Test Engineer – PCB Test & Debug (Growth Path)

    Career Choices Dewis Gyrfa Ltd is hiring an Electronic Test Engineer in Penshaw. This role involves working with state-of-the-art test solutions for printed circuit boards, including debugging software and designing test fixtures. The ideal candidate should have a strong understanding of electronics, t ...

    SAP Automation Test Lead — Hybrid Role (SC Eligible)

    Sogeti is recruiting an SAP Lead Automation Test Engineer in London. This role involves leading automation testing for SAP applications, utilizing tools like Tricentis Tosca and Selenium. You'll work closely with developers and analysts to ensure CI/CD integration and manage a team of automation engineers. </ ...

    Field Tech Ops Engineer

    Dormont Manufacturing Co in Greater London is looking for a Technical Operations Engineer to ensure optimal operation of systems in the field. The role requires integrating hardware and software, diagnosing issues, and performing on-site technical work. Preferred candidates will have strong Linux knowledge an ...

    Senior SRE Cloud Native, Scalable Systems

    Switch Tech Talent is seeking a Senior Site Reliability Engineer for their Colchester hub, offering a hybrid working model (2 days per week). This role is part of a newly founded SRE team aimed at boosting performance, reliability, and scalability of critical software. Ideal candidates will possess a strong b ...

    Aerospace Product Design Engineer — Prototyping & Lighting

    Expert Employment is seeking a Product Design Engineer to join an innovative Aerospace Engineering team in Guildford, UK. The role involves designing products by using cutting-edge technologies while ensuring proper qualifications for aerospace applications. Candidates should possess experience in design and ...

    Electrical Design Engineer – Building Services (UK Projects)

    Criterion Capital is looking for an experienced Electrical Design Engineer to join their Construction MEP division in Greater London. You will be instrumental in delivering complex projects across residential, hospitality, and mixed-use sectors, ensuring compliance with industry regulations and standards. </p ...

    Senior Cards Platform Engineer (EU)

    Traveltechessentialist is seeking a Senior Software Engineer to contribute to the core card spending experience within a fast-paced environment. The role involves technical leadership, driving project execution, and mentoring junior engineers. You will work in cross-functional teams to shape systems pr ...

    Senior Highways Design Engineer — Lead & Innovate

    KIER GROUP is looking for a Senior Highways Design Engineer to join our design team in Salford. This role involves preparing detailed designs, conducting feasibility studies, and ensuring compliance with relevant regulations. Candidates must have a membership with a professional body or be working towards IEn ...

    Senior AWS Architect – Remote UK (Healthcare)

    Sivara GmbH is looking for a skilled software engineer to join their team, primarily working remotely. The role involves building secure cloud infrastructure and contributing to product architecture that aids healthcare research. A 1st or 2.1 degree in Computer Science or Engineering is required along with st ...

    Senior Data Platform Engineer Java/Python, Risk Tech

    A leading financial services firm is looking for a Senior Lead Software Engineer to join their Data Platform & Strategy team in Greater London. In this role, you will design and enhance advanced data engineering solutions that support business objectives. You will collaborate with agile teams and drive innovatio ...

    Senior Cloud Engineer: Azure & Kubernetes Platform Lead

    Viridien, based in Crawley or North Wales, seeks a Senior Cloud Engineer to lead the implementation and operation of scalable cloud platforms. This role involves working collaboratively with teams across data and software engineering to ensure operational excellence, translating cloud architectures into produ ...

    Backend C++/Python/Rust Engineer Cybersecurity AI

    Client Server in Milton, Scotland, is seeking a skilled software engineer specializing in C++. The role involves leading projects in cybersecurity technology, utilizing a variety of languages including backend C++ and Python. A salary of up to £80k is available, plus bonuses and excellent benefits. Joi ...

    Android Engineer: Build Scalable User Signals

    Dangote Industries Limited is seeking an Android Engineer in London to develop and maintain software that captures user behavior signals across various mobile experiences at Spotify. This role includes building high-quality Kotlin code and collaborating with cross-functional teams for end-to-end solutions. </ ...

    Senior Satellite Network Architect & Prototyper

    A satellite communication company in Glasgow is seeking a Senior Network Research Engineer to analyze and develop advanced IP-based communication systems. You will be responsible for architecting and prototyping software interfacing with proprietary RF communication stacks. The ideal candidate should have a stro ...

    AI QE Lead Engineer | Build Quality with GenAI

    NTT America, Inc. is looking for a QE AI Engineer & QE Architect to join our award-winning Quality Engineering team in Greater London. This hands-on role involves leading the expansion of our Quality Engineering portfolio, mentoring teams, and driving efficiencies across the software development lifecycle (SD ...

    Senior OHL Engineer – 400kV, Hybrid & UK Travel

    AtkinsRéalis is seeking a Principal Engineer for Overhead Lines to join their Power Energy Systems Practice in the UK. The role involves providing technical leadership in the design of OHL projects, ensuring high-quality engineering outcomes, and supporting project delivery across the UK with a hybrid work mo ...

    Agentic AI Engineer (.NET) Contract

    Agentic AI Engineer (.NET) - Contract Client: Global Technology Leader - NASDAQ Listed Location: Hybrid - Bristol / 1-2 Days Per Week Duration: 6 months + Intention to extend (Greenfield Multi-Year Programme) ...

    🚀 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