• United Kingdom Jobs Expertini profile avatar

    • 2,335,978+ Full Stack Software Engineer Javascript React Elixir Jobs in UK — Top Companies Hiring July 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 MEP Design Engineer – HVAC & AutoCAD MEP (UK)

    A leading building services consultancy in the UK is seeking an Intermediate/Senior Building Services Engineer to join their London team. The successful candidate will be involved in the design and implementation of mechanical and electrical systems, contributing to various projects. Ideal applicants will have a ...

    Lead AI Engineer Prototyping & Multimodal AI

    The Economist is seeking a Lead AI Engineer to provide technical leadership in the AI Lab during a maternity cover. This senior role is based in London and combines engineering expertise with familiarity in AI systems. Responsibilities include designing prototypes, leading investigations, and collaborating with ...

    On‑Site Field Engineer – Project Quality & Surveillance

    EDF Energy is seeking a Field Engineer to support large-scale industrial projects in Stogursey, UK. In this role, you will ensure adherence to project specifications and quality standards through detailed surveillance and reporting, working with a dynamic team on critical activities including installation of ...

    Senior Drainage Engineer – Roads & Flood Risk (Hybrid)

    WSP in the UK & Ireland is seeking a Senior Engineer with extensive postgraduate experience in drainage design, specifically for major civil engineering schemes. This role involves delivering high-quality engineering services, preparing technical reports, and developing design solutions for transportation and ...

    Highways & Drainage Design Engineer | Project Lead

    A growing engineering consultancy in the UK is seeking a Civil Engineer to join their Transport & Infrastructure team. The role involves preparing detailed designs, managing projects, and ensuring compliance with client briefs. Candidates should have a BEng in Civil Engineering and a minimum of 3 years' experien ...

    Mechanical Design Engineer, Water & Wastewater Systems

    A critical infrastructure company in Langstone is looking for a Mechanical Design Engineer to design and deliver mechanical solutions for water treatment assets. This role involves producing detailed designs, ensuring compliance with industry standards, and providing project support. The ideal candidate will hav ...

    Solutions Engineer — Pre Sales Architect & Customer Champion

    Becrypt Ltd is hiring a Solutions Engineer in Greater London. In this pivotal role, you will act as the key technical contact for customers, bridging the gap between technical delivery and customer satisfaction. Your responsibilities include managing customer expectations, providing pre-sales support, deliver ...

    Senior QA Automation Engineer Scale & CI/CD

    A digital business in the tech sector is seeking a Senior Test Engineer to join their Software Engineering Team in London. This role involves leading the design and development of automated testing solutions, mentoring junior engineers, and ensuring high-quality releases across applications. The ideal candidate ...

    Associate Backend Engineer Search & Retrieval Impact

    Depop Limited is looking for an Associate Backend Software Engineer to join the Search Retrieval team. In this role, you will collaborate closely with Product Managers, Data Scientists, and fellow Engineers to design and implement solutions that will support over 1 million active daily users. You will ...

    Senior AI Accelerator Simulation Engineer

    A cutting-edge AI company based in Greater London is seeking a Senior Simulation Engineer to develop innovative hardware simulations for AI accelerators. The ideal candidate will possess excellent C/C++ skills, have experience with hardware simulators like QEMU, and understand low-level hardware. This role offer ...

    BMS Controls Engineer | Install, Commission & Maintain

    VIGO Recruitment is seeking a skilled BMS Controls Engineer located in Leeds, United Kingdom. This position offers a competitive salary between £47,000 and £52,000 per annum and emphasizes professional development within a dynamic, innovative business. The successful candidate will lead the installatio ...

    Linux & Networking Systems Engineer — CI/CD & Hybrid Work

    Elvis Eckardt Recruitment is seeking a Developer/Systems Engineer in Redhill. This permanent role requires a strong software engineering background and experience in CI/CD management. Candidates must hold a NATO passport and have lived in the UK for 5 years. Responsibilities include developing bespoke Linux-base ...

    Senior Platform Engineer (GCP) – Build, Scale & Lead

    Kainos is seeking a Senior Platform Engineer - GCP (Senior Associate) in Birmingham. In this role, you will lead the design of the digital service platform, focusing on automation, deployment, and support. Collaborating with cross-functional teams, you'll employ best practices to ensure high-quality software ...

    Senior Infrastructure Engineer End User Tech

    A prominent technology firm in Warwick is seeking a Senior Engineer to drive strategic and engineering solutions within the Digital Workplace team. This role involves working closely with stakeholders and vendors to implement improvements in user experience and manage complex software and hardware issues. The id ...

    Forward Deployed AI Engineer for Production Solutions

    慨正橡扯 is looking for a Senior Consultant – Forward Deployed Engineer, focusing on AI-enabled systems. This position offers hybrid working, requiring travel to client sites across the UK. The ideal candidate will help design and deliver solutions, collaborating with clients and internal teams to meet pro ...

    Senior Backend Engineer Remote/Hybrid (Scala)

    DEPOP is seeking an experienced Senior Backend Software Engineer to join our team in Greater London. In this role, you will collaborate within a product engineering team to develop services enhancing customer interaction. Your responsibilities include producing high-quality code, taking ownership of pr ...

    DV Cleared Data Science Engineer | Cloud Data Platforms

    A prominent recruitment agency is searching for a Data Science Engineer to support a public sector programme in the UK. This role involves designing robust data processing systems for analytics and machine learning. Candidates should have a strong software engineering background in languages like Java, Python, o ...

    Lead Java Backend Engineer: AI & Event Driven FX Systems

    Citi is seeking an experienced software engineer to design, develop, and maintain high-performance Java services. This role will involve applying modern backend design principles, including Domain-Driven Design, while collaborating with cross-functional teams to address complex business needs. Successf ...

    Music AI Engineer: Build World Class AI Tools for Artists

    Universal Music Group UK is looking for an AI Engineer to design and implement machine learning solutions in a collaborative environment. The role focuses on automating royalty calculations and integrating AI models into products, working at the intersection of creativity and technology. The ideal cand ...

    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 ...

    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 ...

    Enterprise AI Engineer — Embed AI in Live SaaS Products

    Sivara GmbH in Bracknell is seeking an experienced AI Engineer to help embed AI into established enterprise SaaS products. In this permanent position, you will collaborate closely with product and engineering teams to develop and deploy AI/ML features, managing MLOps including deployment pipelines and model m ...

    Senior iOS Core Product Engineer (Remote)

    Speechify is seeking a Software Engineer for its iOS Core Product team in London. This role is key to supporting the growth of the app and shaping the user experience with fast-paced decision-making and engineering. The candidate will lead engineering decisions, contribute production code, and work within a d ...

    Remote AI Engineer – End to End Dev & AI Tools

    Recruit4Mum is seeking an AI Engineer for a 6-month fixed-term contract based in Birmingham. This role is predominantly remote with occasional office attendance required. You will design and build intelligent digital tools to improve outcomes for customers and internal teams. The ideal candidate will h ...

    Angular Front End Engineer — 3D Modeling & AI (London)

    Trimble is looking for a skilled Angular Front-End Software Engineer to join our SketchUp Habitat team in London. In this role, you will develop high-performance, cloud-based applications that help design professionals visualize eco-friendly structures using cutting-edge technologies. The position requ ...

    SVP, Trading Tech & AI Platform Architect

    Citi is seeking a Senior Software Engineer (SVP) for the FX Client & Sales Technology team in London. This role involves hands-on design, architecture, and technology platform implementation, driving strategic evolution while managing a global team. The ideal candidate will have extensive capital marke ...

    DevOps Engineer (Junior/Mid) – Guildford Office

    Stratospherec Ltd is looking for a Junior or Mid-Level DevOps Engineer to join their growing team in Guildford. You will play an integral role in supporting the TechOps team, focusing on CI/CD pipeline management, system reliability, and integrating DevSecOps into the DevOps lifecycle. The ideal candid ...

    AI Engineer: Agentic AI for Production Systems

    RELX INC is seeking an AI Engineer to develop intelligent systems powered by innovative AI technologies. This role involves building and testing AI solutions as part of a cross-functional team, interfacing with stakeholders to ensure the development fits real workflows. Key responsibilities include pro ...

    Blockchain Engineer: Tokenization & Multi‑Chain Platform

    Ctrl Alt in Greater London is seeking a Blockchain Engineer to enhance the company’s blockchain and tokenization infrastructure. In this role, you’ll design secure smart contracts and integrate blockchain technology into various financial systems. You’ll collaborate with engineers and the product team to ensu ...

    Autonomous Systems Engineer — Field Deployment & Architecture

    Applied Intuition is seeking a Systems Engineer to join their UK team. This role involves defining system requirements and integrating technology onto autonomous vehicles and defense systems. Key responsibilities include designing architectures, deploying software, and collaborating with engineers and ...

    Senior Java Engineer — AI/ML, Hybrid 3x/wk, Notting Hill

    Energy Jobline ZR is looking for a Senior Java Software Engineer to join a fast-growing company focused on artificial intelligence and machine learning. This role is hybrid, requiring 3 days in the office located in Notting Hill, with a salary range of £70,000 to £85,000 plus pension and benefits. The ...

    LabVIEW Systems Engineer — Innovative Test & Control

    TBG Solutions Ltd in Chesterfield is seeking an experienced LabVIEW Systems Engineer. In this role, you will design and develop bespoke software solutions for various industries, focusing on test and measurement systems. We offer a vibrant workplace that values innovation and teamwork. The ideal candid ...

    Nuclear Fire Safety Engineer 3D Modeling & Risk Analysis

    1st Select Ltd is seeking a Fire Safety Engineer to join a specialized team in nuclear engineering. You'll work collaboratively with structural, mechanical, and systems engineers to ensure fire safety is integrated into the design process. The role involves running simulations with MAGIC software to op ...

    Senior Backend Engineer – Java, Cloud, Multi‑Team Leader

    Capital One is looking for a Staff Software Engineer - Back End to drive the technical strategy and lead multiple teams in their London office. You'll own significant business outcomes while fostering engineering excellence. This role includes mentoring engineers and ensuring alignment with business ob ...

    Principal Backend Engineer Hybrid + Equity

    AUTOTRADER is seeking a Principal Software Engineer in Manchester to build a technology platform that supports various automotive needs. This role involves using technologies like Spring Boot and Apache Kafka to improve service performance, ensuring the platform can manage high request volumes efficiently. </ ...

    Automation & IT Operations Engineer – Python Scripting

    Miller Maxwell is looking for an IT Operations Engineer based in Greater London. This position does not require finance experience and provides training for the successful candidate. A keen interest in Python scripting is essential as much of the work involves automation and project-based tasks. The ro ...

    Lead Backend Engineer C#/.NET on Azure SaaS (Hybrid)

    Client Server is looking for a Lead Backend Software Engineer to join their global InsurTech team in Reigate. This role offers a competitive salary up to £100k, along with hybrid working, parental leave, and various benefits. You'll work on scalable systems, providing technical leadership to a small te ...

    Senior JVM Data Connector Engineer (Remote)

    Clickhouse is seeking a Senior Software Engineer specializing in Java Streaming and Connectors. This role is focused on developing high-quality data integration systems and involves working closely with the open-source community as well as internal teams. The ideal candidate will have over 6 years of e ...

    Senior SDET: AI First QA Engineer (6 Month Contract)

    Codurance is seeking an experienced contract SDET / QA Engineer in Greater London to join a dynamic team focused on software quality. As part of an engineering pod, you'll own quality end-to-end, leveraging your expertise in test automation to build regression and performance tests. This 6-month contra ...

    Quality Engineer: Test Strategy & Automation Coach

    Aberdeen is seeking a Quality Engineer to embed quality throughout the software development lifecycle. In this role, you will work with various teams, championing best practices in testing and quality assurance. You will design automated tests, mentor developers, and ensure high standards are maintained throu ...

    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 ...

    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 ...

    🚀 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