• United Kingdom Jobs Expertini profile avatar

    • 761,438+ Lead Software Engineer Full Stack Java React 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. Lead Software Engineer Full Stack Java React Jobs in United Kingdom

    5. Download PDF

    Reset

    Create Job Alert
      Add Alert

     
     
    Create Alert
     
    Reset

    Senior Mechanical Engineer & Project Lead – Data Centres

    Black & White Engineering is seeking a Mechanical Design Lead in London to deliver high-quality MEP solutions for data centre projects. The role emphasizes leadership, client engagement, and technical excellence while mentoring engineers and supporting business growth. The chosen candidate will be inte ...

    Senior Electrical Engineer – Hybrid, Lead Power Systems

    Box Twenty Consulting Engineers is looking for a Senior/Principal Electrical Engineer for a full-time hybrid role in Bristol. The position involves designing electrical systems for building services, leading projects, and mentoring team members. The ideal candidate will have a Bachelor's degree in Elec ...

    Lead Mechanical Engineer: Net Zero Building Performance

    Cibsejournal is seeking a Principal/Associate Engineer for their Operational Assets team in Birmingham. This role focuses on developing sustainable solutions for existing buildings, utilizing real-time data to drive net-zero progress. Responsibilities include leading projects, mentoring teams, and enga ...

    Senior Design Engineer: Building Envelope & BIM Lead

    SISK Group is seeking a Senior Design Engineer to join their Engineering Services team in St Albans, UK. The role demands strong technical expertise and leadership in multi-disciplinary construction projects, ensuring high-quality design solutions. The successful candidate will oversee the development ...

    Senior Python Engineer Remote FinTech Backend Lead

    Levy Global is looking for a Senior Python Engineer to join their dynamic fintech team, fully remote, in the UK. As a key player, you will design, build and scale backend services within a modern microservices architecture. Ideal candidates possess strong experience in Python, AWS cloud services, and a ...

    Senior Cloud Platform Engineer – Security & IaC Lead

    Catapult in London is seeking a Principal DevOps Engineer to enhance their cloud platform. You will own infrastructure management and ensure compliance with security standards, while collaborating closely with engineering teams. Your impact will help professional teams optimize athlete performance through dat ...

    Lead Signalling Engineer for Global Rail Projects

    MOTT MACDONALD in Belfast is seeking a Principal Consultant to enhance transport solutions globally. You'll support the Senior Leadership team in Signalling Design while collaborating with international professionals. Candidates must possess an Electrical Engineering Degree and have significant experience in ...

    Lead Systems Engineer & Design Authority — Hybrid Role

    Leonardo in Basildon seeks a Lead Systems Engineer/Design Authority to oversee system solutions for military protection. The role involves working with diverse teams, ensuring compliance with engineering standards, and supporting project delivery. The ideal candidate holds a relevant degree, has strong ...

    Senior Structural Design Engineer Lead with Digital

    JACOBS is looking for a Principal Structural Design Engineer based in Greater Manchester. In this role, you will shape a more sustainable world through innovative engineering on high‑profile projects. You will lead projects, ensuring every design is robust, safe, and sustainable, while mentoring the next gene ...

    Senior Civil Engineer – Hybrid: Lead Infrastructure Design

    AECOM is seeking an experienced Senior Civil Engineer to join our team in Plymouth. You will deliver infrastructure projects, from drainage design to highway projects, leveraging your technical and project management expertise. Collaboration is key as you work alongside a diverse range of professionals ...

    Lead RF Test Engineer (Remote + Flexible Hours)

    Forefront RF in Cambridge is searching for a Senior RF Test Engineer to join their innovative development team. This position involves leading RF measurement, characterization, and validation of cutting-edge RF products to ensure exceptional performance. Candidates should possess a strong background in ...

    Project Engineer: Lead Capex & ROI Initiatives (Pension)

    Yolk Recruitment Ltd is looking for a talented Project Engineer to join their dynamic Engineering Team in Ross-on-Wye, Herefordshire. This role presents a fantastic opportunity to further your career in a supportive environment. Responsibilities include managing Capex and Operational projects, ensuring contra ...

    SC Lead Devsecops Engineer Remote £650P/D

    SmartSourcing are looking for a SC Cleared Lead DevSecOps Engineer to work with a Government client Remote, with visits to Bristol and London as required. Summary A senior, client facing Lead DevSecOps Engineer role driving secure delivery, automation and DevSecOps governance across multi ...

    Polar Fleet Technical Lead Senior Mechanical Engineer

    Evodia Limited is seeking an experienced Marine or Mechanical Engineer to lead technical management for a fleet of polar-capable ships including an icebreaker. This role is based in Bristol with a hybrid work model, requiring one day onsite per week. The successful candidate will manage operational rea ...

    Staff AI Platform Engineer – Lead, Scale & Innovate

    Marks and Spencer is seeking a Staff Software Engineer to join its innovative engineering team in London. The role focuses on providing technical leadership, developing software solutions, and enhancing team productivity through mentoring. Your contributions will directly impact millions of customers. ...

    Lead Azure Cloud Engineer, PaaS, Home Based

    Lead Azure Cloud Platform Engineer, Financial Service environment, Azure platform leadership across enterprise PaaS, Fully Home Based, c £ 90000 + bonus + benefits. Financial Service client is looking for a stand alone lead Azure Cloud Platform Engineer with excellent knowledg ...

    Lead Azure Cloud Platform Engineer, Home Based

    Lead Azure Cloud Platform Engineer, Financial Service environment, Fully Home Based, c £ 90000 - + bonus + benefits. Financial Service client is looking for a stand alone lead Azure Cloud Platform Engineer with excellent knowledge of Terrafrom and a previous background in In ...

    Lead Azure Platform Engineer, PaaS, Home Based

    Lead Azure Cloud Platform Engineer, Financial Service environment, Azure platform leadership across enterprise PaaS, Fully Home Based, c £ 90000 - + bonus + benefits. Financial Service client is looking for a stand alone lead Azure Cloud Platform Engineer with excellent know ...

    Senior Security Engineer On Site Tech Lead

    RGIT Australia is looking for a Senior Security Engineer in St Albans. This full-time, permanent position involves technical leadership in electronic security systems maintenance and fault finding. A competitive salary ranging from £35,000 to £45,000 is offered, along with paid travel, on-call, and ove ...

    Internal Sales Engineer: Quotations and Solutions Lead

    Vibe Recruit Limited is seeking an Internal Sales Engineer based in Newport, Gwent, Wales, for a full-time position. The annual salary is £30,000. In this role, you will support the sales team by managing customer inquiries, preparing quotations, and assisting in securing orders. Experience in a simila ...

    Lead Data Engineer – Real Time AI & Analytics

    JPMorganChase in Greater London is seeking a Lead Data Engineering & AI Technical Initiatives to drive innovation in real-time data processing. You will lead technical direction and collaborate with global research and trading teams to enhance analytics capabilities. The ideal candidate has extensive e ...

    Senior Wafer Coring Process Engineer — Lead & Optimize

    Plessey Semiconductors in Plymouth is looking for a Senior Process Engineer specializing in wafer Coring processes. This role involves driving improvements in process capability, quality, and production efficiency while collaborating across teams. The ideal candidate will have at least 5 years of exper ...

    Senior Road Engineer: Design Lead & Project Mentor

    WSP is seeking a skilled Civil Engineer to join its Roads business in Newcastle Emlyn. This role involves preparing designs in accordance with the Design Manual for Roads and Bridges (DMRB) and using AutoCAD and Civil3D for a variety of projects. Ideal candidates will have a passion for engineering design and ...

    Senior Test Engineer — API Automation & Quality Lead

    Amber Labs is seeking a Senior Test Engineer to join their team in Manchester. This role involves designing, building, and maintaining API automation frameworks, as well as implementing test strategies for a critical government project. The ideal candidate will have strong experience in building automated tes ...

    Senior API Test Engineer – Automation & Quality Lead

    Amber Labs Ltd is seeking a skilled App Remediation specialist in Manchester to design and maintain API automation frameworks. The role calls for collaboration with developers, analysts, and DevOps engineers to build scalable solutions and implement test strategies. Ideal candidates should exhibit stro ...

    Senior Civil Engineer – Buildings: Lead Design & Growth

    A prominent engineering consultancy in the UK is looking for a Senior Civil Engineer with experience in the buildings sector. The successful candidate will lead civil engineering planning and design for various projects, collaborating with discipline experts and managing junior team members. Candidates should po ...

    Lead Control Systems Engineer: Digital Transformation TOMONI

    Mitsubishi Power EMEA is seeking a Lead Control Systems Engineer to lead the development and support of industrial control systems. This role involves working on both gas and steam turbines, providing mentorship to engineers, and acting as a technical contact for customers. You will be crucial in ensuring the ...

    Senior Front End Engineer, Blazor & UX Lead

    Bright Software Group in Belfast is seeking a Senior Software Engineer to specialize in front-end development using Blazor within a collaborative team. This hands-on role requires experience in C# and .NET, focusing on UX design and deployment of high-quality applications. The ideal candidate has a str ...

    Senior Electrical Engineer Lead Multi Discipline Projects

    A leading engineering consultancy in Oxford is seeking an Associate or Senior Associate Electrical Engineer. The successful candidate will deliver high-quality electrical engineering solutions while managing client relationships and project teams. Qualifications include a degree in Electrical Engineering and ext ...

    Lead Licensed Aircraft Engineer – Onsite Maintenance & Safety

    A leading aviation services provider is seeking a Licensed Aircraft Engineer to join their team in Cardiff. This full-time role involves performing essential maintenance and engineering tasks to ensure aircraft airworthiness. Candidates must hold an EASA Part 66, B1.2 licence and have relevant technical and supe ...

    Offshore QHSE Engineer: Safety, Quality & Environment Lead

    A leading engineering services provider in Liverpool is seeking an experienced HSE Specialist passionate about delivering safety, quality, and environmental excellence. You will review and align QHSE documentation, support offshore teams, and ensure operational safety across projects. Ideal candidates will have ...

    Lead DevSecOps Engineer — Hybrid, Hands on Leader

    Pinsent Masons is seeking a Lead DevSecOps Engineer to shape and drive the firm’s DevSecOps capability across Technology Services. You will work in a location of your choice from our UK offices, contributing to secure delivery pipelines while mentoring a developing team. In this role, you can expect a ...

    Senior Electrical Engineer Data Centre Project Lead

    A leading engineering firm is seeking an experienced Senior Electrical Engineer to join their team in Newport, Wales. This role involves ensuring high standards in design and delivery of electrical systems for a major data centre project. Candidates should have a degree in Electrical Engineering and over 6 years ...

    Hybrid Senior Electrical Engineer — Design & Advisory Lead

    Turner Property Recruitment is looking for a Senior Electrical Engineer based in Cardiff with a hybrid working model. The role involves delivering electrical design services from feasibility to detailed stages for various sectors such as commercial, education, and environmental projects. Candidates should posses ...

    Senior Mechanical Engineer – Lead Plant Maintenance & Strategy

    The Martin Veasey Partnership is seeking a Senior Mechanical Engineer in Cheadle, England. This role is focused on leading the plant maintenance team, ensuring high safety and quality standards. The ideal candidate will possess an engineering degree and have at least five years of team leadership experience. ...

    Lead Structural Engineer — Complex Building Projects (Hybrid)

    Stantec is seeking a Principal Structural Engineer in Glasgow or Edinburgh to lead complex building projects across the UK. The ideal candidate will have a degree in Structural or Civil Engineering and experience in delivering building structures. Responsibilities include managing project resources and ensuring ...

    Lead AI Platform Engineer — Multi Agent Systems

    Hyre AI Limited in Warrington is looking for an AI Engineer to guide the technical development of their AI platform. You will design and evolve agentic systems, ensuring the reliable integration of LLM pipelines and cloud infrastructure. The ideal candidate has a robust understanding of multi-agent arc ...

    Electrical Engineer in Cambridge – Lead Projects & Design

    Hoare Lea is seeking an Electrical Engineer or Senior Engineer for their Cambridge office. The role involves delivering electrical design work, managing project deliverables, and liaising with clients and contractors. You will be pivotal in ensuring compliance and quality across electrical systems. Ben ...

    Lead FPGA & Electronics Engineer: Own the Architecture

    Anson McCade is seeking an experienced FPGA & Electronics Engineer in Salford, United Kingdom. This role offers the opportunity to become the recognised FPGA expert and take ownership of technical decisions. You will design complex electronic systems for monitoring and diagnostics, engaging closely wit ...

    Senior Platform Engineer: Cloud, Automation & DevOps Lead

    Kainos is seeking a Senior Platform Engineer to lead the design of major components within their digital service platform. You will work in a fast-paced environment, collaborating with diverse teams and ensuring best practices are followed. The role requires proficiency in automation tools, cloud platf ...

    Senior Structural Engineer Lead Projects & Mentor Team

    A well-established engineering consultancy in Billericay seeks a Senior Structural Engineer to lead challenging projects from concept to construction. The role involves delivering innovative structural designs, mentoring junior engineers, and ensuring effective communication with clients and design teams. Candid ...

    Senior Metrology Engineer — CMM Programming & Lab Lead

    Energy Jobline CVL is looking for a Senior Metrology Engineer to work onsite at AWE Burghfield, located between Reading and Basingstoke. This role involves programming CMMs, managing workloads, and ensuring laboratory safety standards. The position offers a salary range of £49,480 - £78,200 per annum, ...

    Senior Electrical Engineer — Lead Projects & Clients (Hybrid)

    Hoare Lea is looking for an Associate or Senior Associate Electrical Engineer to join our team in Bournemouth or Reading. The role requires leadership in delivering high-quality electrical engineering solutions across various projects. You will act as a primary client contact and lead project teams, ensuring ...

    Senior Civil Engineer: Lead Highways & Drainage (Hybrid)

    A leading consultancy firm is seeking a Senior Civil Engineer to join their expanding team in Northampton. The ideal candidate will lead projects related to large residential developments and oversee a team, ensuring quality delivery of engineering designs. Offering a competitive salary along with extensive bene ...

    Senior Platform Engineer (RHEL) – Hybrid Security Lead

    Leonardo Worldwide Corporation in Yeovil is seeking a Senior Platform Engineer to drive the design and support of critical platforms that enhance national security. This role combines technical expertise and leadership, focusing on platform delivery, maintenance, and improvement within defence and publ ...

    Senior Electrical Building Services Engineer – Lead Design

    Options Resourcing Ltd is seeking a Senior Electrical Engineer to join their team in Preston. This position offers a challenging opportunity within building services engineering, requiring a degree or equivalent experience, with skills in key software including AutoCAD and Revit. The successful candida ...

    Marine Electronics Engineer – Field Tech & Projects Lead

    Holt Recruitment in Essex is seeking Marine Electronics Technicians to advance their career in marine technology. You'll join a team delivering navigation, communication, and safety systems for commercial vessels, ensuring operational compliance. Ideal candidates have experience in marine electronics, ...

    Principal Electrical Engineer — Lead Design & Mentorship (Glasgow)

    A leading engineering consultancy in Glasgow is seeking a Principal or Associate Electrical Engineer to deliver high-quality design services for diverse projects. The role involves working within multidisciplinary teams and engaging with clients to ensure sustainable solutions. A background in electrical enginee ...

    Marine Electronics Engineer – Field Tech & Projects Lead

    Holt Recruitment is seeking Marine Electronics Technicians and Engineers in Liverpool to advance your career in marine technology. This role involves hands-on work with leading maritime equipment, ensuring operational compliance and connectivity for vessels. Join a team focused on delivering innovative ...

    Remote Lead Azure Cloud Engineer Terraform & FinServ

    FDO Consulting is seeking a Lead Azure Cloud Platform Engineer for a fully home-based position. The role requires excellent knowledge of Terraform and prior experience in a regulated financial service environment. You'll oversee design, build, and automation of Azure cloud services while mentoring engineers a ...

    🚀 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 →

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