• London Jobs Expertini profile avatar

    • Lead Software Engineer Python Java Jobs in London, UK

    Professional job seekers finding United Kingdom jobs through Expertini
    750,000+ professionals on Expertini 750,000+ Candidates
    Join our global community
    Explore Leading Employers
    High-Paying Careers
    Expertini Penguin Mascot Resume Score™
    Resume Score™ Instantly
    Upload Your CV
    Quick 30-second process

    Apply Today & Jumpstart Your Career on Expertini, Trusted Since 2008.

    1. Expertini
    2. United Kingdom
    3. London
    4. Jobs
    5. Lead Software Engineer Python Java Jobs

    6. Download PDF

    Reset

    Create Job Alert
      Add Alert

     
     
    Create Alert
     
    Reset

    Chartered Structural Engineer – Lead Design on London Projects

    A Central London consultancy is seeking a Chartered (near or just) Senior Structural Engineer to join their expanding design studio in Clerkenwell. The ideal candidate will have a MEng/MSc in Structural, Architectural, or Civil Engineering along with at least 5 years of design and project-running experience in t ...

    Senior Data Platform Engineer & Validation Lead, GxP (London)

    Recursion is seeking a Data Platform Engineer to join its London office. This hybrid role involves building and maintaining a GxP-compliant data platform that supports drug discovery at scale. You will ensure data integrity, mentor team members, and collaborate across multiple teams. The estimated salary range f ...

    Principal Fire Engineer — Lead High Impact Fire Safety

    AESG, an award-winning consultancy in Greater London, seeks a Principal Fire Engineer to support the Building Safety & Advisory division. The role involves managing complex fire engineering projects, delivering consultancy services to high standards, and developing junior team members. Candidates should have a m ...

    Lead Electrical Engineer in City of London, London

    Lead Electrical Engineer Salary: £60,000 - £70,000 + progression + private medical care + flexible hours. London (commutable from surrounding areas) We are seeking an Electrical Engineer to lead project delivery and contribute to innovative designs on a range of bespoke pr ...

    Lead Broadcast Engineer for Live Production, Critical Ops

    ICP Search is seeking a Lead Broadcast Engineer for a long-term contract in Central London. This role requires strong broadcast engineering skills and team leadership, overseeing the maintenance and reliability of AV and broadcast systems. Responsibilities include leading a team, managing technical issues, and e ...

    Senior BESS Engineer Lead for Utility Scale Storage

    WSP in the UK & Ireland is seeking a Senior Engineer to lead technical projects related to Battery Energy Storage Systems (BESS). This role involves managing multidisciplinary teams, advising clients, and ensuring project quality. The ideal candidate will have a relevant engineering degree, strong knowledge of B ...

    Lead Web Platform Engineer: Build Tools for Engineers

    A historic retail brand in Greater London seeks a Staff Software Engineer to enhance web engineering processes. This role involves designing platform capabilities and establishing technical standards. The ideal candidate should have strong expertise in React, Next.js, and TypeScript, with experience in DevOps pr ...

    Senior Network Engineer Lead Large Scale Network Deployments

    Universal Music Group in the United Kingdom is looking for a Network Engineer to join their Network Build Team. This role will manage technical ownership of infrastructure projects and mentor junior engineers. Candidates should have strong experience in enterprise networking, including a minimum of 5 years in IT ...

    Lead FX Pricing Engineer: Ultra Low Latency, Hybrid

    Citigroup Inc. is looking for a technology leader in FX to manage and inspire a high-quality engineering team. The role involves defining and implementing solutions that support multiple asset classes, driving architecture design, and enhancing system quality. The ideal candidate has experience in low-latency de ...

    Lead DevOps Engineer CI/CD, Cloud, Hybrid Flex

    Northrop Grumman UK is seeking a Lead DevOps Engineer in Greater London to lead the design, development, and maintenance of critical CI/CD infrastructure. You will play a pivotal role in delivering scalable solutions while guiding a team through technical challenges. Ideal candidates will have strong expertise i ...

    Lead Electrical Engineer — City of London (Flagship Site)

    PRS is seeking a Lead Electrical Engineer for a key role at a major commercial building in London Bridge. The ideal candidate will have significant experience, particularly in facilities management, and will be responsible for electrical systems compliance and maintenance. Duties include leading technical activi ...

    Principal Fire Engineer: Lead High Impact Fire Safety

    SRS Recruitment Solutions is seeking a Principal Fire Engineer in London. In this pivotal role, you will lead complex fire engineering projects and manage teams while providing expert advice throughout project stages. The position requires strong leadership skills, a relevant engineering degree, and a commitment ...

    Lead DevOps Engineer – Greenfield, Hybrid, Scale Up Innovator

    The Difference Engine is seeking an experienced Lead DevOps Engineer for a hybrid role in Greater London. The successful candidate will develop innovative solutions for DevOps and lead a growing team in a rapidly scaling environment. Responsibilities include mentoring, fostering technical excellence, and collabo ...

    Lead Sustainability Engineer: Build New Unit, 15% Bonus

    A leading property consultancy in the UK is seeking a Principal Sustainability Engineer to help establish a new sustainability business unit. This role involves driving business opportunities, expanding sustainability services, and engaging with clients while providing flexibility to work from the office just on ...

    Associate Structural Engineer Lead London Projects (WFH Flex)

    A leading consultancy in structural engineering based in Central London is seeking an Associate Structural Engineer. Candidates must be Chartered Members of IStructE and/or ICE with extensive design and project management experience. The role involves working on large-scale projects across various sectors includ ...

    Lead HV Cable Design Engineer for 400kV Systems

    A leading infrastructure firm in the UK seeks an HV Cable Engineer to oversee the delivery of cable system projects up to 400kV. This role involves developing specifications, performing technical calculations, and ensuring compliance with regulations. Ideal candidates will have a degree in Electrical Power Engin ...

    Civil Site Engineer (London) — Setting Out & Quality Lead

    A reputable civil engineering firm is seeking Site Engineers for full-time roles in London. Responsibilities include setting out works, ensuring quality control, and providing engineering support. Candidates should have RC Frame and Groundworks experience, a valid CSCS card, and excellent communication skills. T ...

    Chartered Structural Engineer Lead Projects with Flexible WFH

    A leading consultancy firm in Central London is seeking an experienced Associate Structural Engineer to join their expanding studio. The successful candidate will be chartered with IStructE and/or ICE and have significant experience in structural engineering design and team management within the UK. This role of ...

    Lead Fire System Engineer – London & SE (Vehicle + Bonus)

    A fire alarm service company is seeking a lead representative in London. The role involves managing callouts, scheduling maintenance, and liaising with clients. Applicants should have over 5 years of experience with fire systems, advanced knowledge of fire alarm technologies, and strong communication skills. Thi ...

    Lead Residential AV Install Engineer | Crestron/Lutron Expert

    Join a leading AV systems integrator in London as a Lead AV Installation Engineer. This exciting role offers the chance to work in the high-end bespoke residential AV market, where your attention to detail and leadership skills will shine. You will be responsible for leading a team to deliver award-winning AV pr ...

    Lead 3D Mapping Engineer for Large Scale Autonomy

    A cutting-edge robotics startup in London seeks a Senior 3D Mapping Engineer to take ownership of mapping capabilities within their advanced autonomy team. You will design scalable mapping pipelines, create high-accuracy 3D maps for real-world deployments, and apply complex optimisation techniques. With 4-5+ yea ...

    Lead Power BI Engineer for Greenfield Analytics Platform

    A leading consulting firm is seeking a Power BI Engineer for a Greenfield project within a global energy organisation. The successful candidate will lead the design and optimisation of BI solutions, requiring advanced skills in Power BI and strong SQL capabilities. This role demands excellent communication skill ...

    Lead Civil Engineer – Water Management & Resources (Mine Water)

    We are seeking an accomplished Lead Civil Engineer with 15+ years of experience to head our Water Management & Resources team in London. This is a senior-level opportunity to lead a dynamic group of engineers, shape project delivery, and contribute strategically to the growth of our water practice across m ...

    Lead Cloud QA Engineer AWS/Kubernetes Hybrid London

    A leading tech consultancy in London seeks a Lead Quality Engineer to drive best practices in cloud platforms. The role involves collaborating with a team to enhance quality and mentoring junior engineers. Our ideal candidate has extensive experience in quality engineering, particularly with AWS and Kubernetes, ...

    Cloud Security Engineer Lead Security & Grow a Team

    A challenging digital bank in the UK is searching for an experienced Cloud Security Engineer to join their innovative team. This dynamic role involves implementing security measures, managing vulnerabilities, and collaborating closely with product and engineering teams. Candidates should possess a degree in a te ...

    Senior MEP Project Engineer — Hybrid Work & Impactful Lead

    A global financial services firm located in Greater London is seeking a qualified professional to oversee engineering design and delivery. This role involves guiding installation and commissioning of building services aligned with safety and sustainability standards. Candidates should hold a degree in mechanical ...

    Senior Network Design Engineer: Lead IP/MPLS & Automation

    A leading telecommunications company in Greater London is seeking an experienced professional to drive network design, ensure effective documentation, and implement automation solutions. The ideal candidate will possess deep expertise in ISP technologies and telecom architectures, with a strong ability to transl ...

    Senior Structural Engineer – Lead for HS2 London Project

    A leading construction company in London is currently seeking a Senior Engineer to join their Structural team on a significant infrastructure project. The role involves managing teams, ensuring the safe and efficient execution of works, and collaborating with various stakeholders. Ideal candidates should have a ...

    Lead UX Engineer for AI Startup Hybrid London

    A leading recruitment agency is seeking a Senior Principal Consultant to lead the UX team for an exciting start-up in the AI space. This hybrid role requires a strong background in design principles and collaboration with cross-functional teams. You will be a technical decision-maker on new projects, contributin ...

    Lead HV Cable Design Engineer — Flexible UK Role

    A global consultancy company in the UK seeks a Cable Systems Engineer to manage high voltage cable projects for major utilities. The role emphasizes design leadership, technical specifications, and project management. Candidates should have proven experience with AC cable systems, CAD knowledge, and the ability ...

    Lead E&B Engineer – Rail (Hybrid: Office/Remote)

    Carrington West is seeking a Lead E&B Engineer to join their team on a transformative rail programme in the Greater London area. This role requires strong experience in earthing and bonding, coordination across various teams, and knowledge of relevant standards. You will be responsible for developing integration ...

    Lead AI Engineer, LLM & NLP (Remote/Hybrid UK)

    Bluefish is seeking a Senior AI Engineer to lead the development of LLM-powered products in London. You will spearhead projects in marketing and advertising technologies, designing and enhancing AI-driven solutions while collaborating with cross-functional teams. Ideal candidates should have robust experience in ...

    Senior Traffic Engineer — AutoCAD Lead for LTNs & Cycling

    Matchtech is seeking a Senior Traffic Engineer in Greater London to deliver traffic engineering schemes and supervise junior staff. In this role, you will provide professional engineering services, manage projects from feasibility through to implementation, and liaise with stakeholders. The ideal candidate has a ...

    Lead ML Engineer, Chat Hybrid/Remote, Equity & Growth

    A leading tech startup in London is searching for a Lead Machine Learning Engineer to drive innovation in financial decision-making. This role involves deploying advanced machine learning models, optimizing payment success rates, and leading projects with cross-functional teams. With a competitive compensation p ...

    Lead ML Research Engineer for Scalable Physics AI

    PhysicsX, located in the City of London, is looking for professionals to shape their Research strategy in AI-driven simulations. The ideal candidate has a master's or PhD in a relevant field, is passionate about developing machine learning solutions, and has experience in high-performance computing and cloud pla ...

    Senior DevOps Engineer: Cloud, AI & CI/CD Lead

    MI5 in Greater London is seeking a Senior DevOps Engineer to enhance its operational capabilities through AI integration. In this role, you will design and build an internal Cloud platform, facilitating the smooth operation of systems supporting AI and ML Ops. The ideal candidate will have significant experience ...

    AI Driven AWS Platform Engineer Policy & Automation Lead

    About Us ClearRoute is an engineering consultancy bridging Quality Engineering, Cloud Platforms and Developer Experience. We help enterprises reliably bring high-impact digital products to market faster, cheaper, and safer, working with technology leaders facing complex business challenges. ...

    Senior Offshore MEQ Electrical Engineer – Wind Farm Lead

    Morson Group is seeking a Senior Electrical Offshore Engineer for a hybrid role focusing on the East Anglia 1N offshore wind project. Responsibilities include managing electrical design activities and ensuring the MEQ package meets project requirements. The ideal candidate will have extensive knowledge in EHV/HV ...

    Cedia Cerrtified Lead AV Installation Engineer in London

    Job Description CEDIA Certified Lead AV Installation Engineer – This role is based in London with a pre‑eminent AV systems integrator specializing in the high‑end bespoke residential AV market. The role requires a meticulous focus on detail, the ability to lead a team of installation engineers, d ...

    Lead DevOps Engineer: Cloud, CI/CD & FinOps Leader

    A leading digital transformation consulting firm in Greater London is seeking a hands-on Lead DevOps Engineer to build and maintain a new cloud-based Index platform. This role involves leading a diverse team to implement secure, cost-effective AWS cloud environments while driving operational excellence and busin ...

    Hybrid Electrical Engineer Path to Project Team Lead

    Hollybank Trustees Ltd is seeking an Intermediate Electrical Engineer to join their Consultancy team in Eltham, London. The role focuses on delivering electrical services with opportunities for project leadership. The candidate should hold a relevant Electrical Engineering Degree and have at least 2 years of exp ...

    Remote Senior .NET Core Engineer — Full Stack Lead

    Experis - ManpowerGroup is looking for a Senior Developer to join a dynamic team on a greenfield project. The successful candidate will develop robust back‑end solutions using C# .NET Core, with contributions to the front-end using React and Tailwind CSS. This role is based in the United Kingdom and offers remot ...

    Senior Unity Graphics Engineer — Real Time Rendering Lead

    A leading gaming company based in London is seeking an experienced graphics software engineer to enhance the visual quality of Football Manager. The role involves designing rendering systems in Unity, optimising shaders, and collaborating with artists on high-quality graphics solutions. The ideal candidate has 1 ...

    Lead Frontend Engineer – AI UI for Procurement (Equity)

    A Sequoia-backed startup in London is seeking a Full Stack Engineer with a focus on front-end development (React) to join their high-caliber team. In this role, you'll lead the development of user-friendly interfaces for next-generation AI agents. The ideal candidate has over 6 years of experience, deep expertis ...

    Staff Data Engineer Lead Cloud Data Platform (Hybrid)

    A leading InsureTech company in Greater London is seeking a Staff Data Engineer to design and maintain cloud-based data platforms. This hybrid role requires advanced SQL skills and experience with ETL tools like Google Cloud Dataflow. The successful candidate will work closely with teams to ensure data quality a ...

    Lead Frontend Lean Full Stack Engineer (React/Node)

    A leading tech company in Greater London is seeking a Lead Full‑Stack Engineer (Frontend-leaning) to deliver high-quality full-stack solutions. The role demands strong JavaScript/TypeScript skills, along with proven expertise in React, Next.js, and Node.js. Applicants should be comfortable guiding clients and ha ...

    Senior Growth Engineer CRO & A/B Testing Lead

    A leading technology company is looking for a Senior Growth Engineer to lead experimentation aimed at optimizing conversion rates. This hands-on role demands expertise in A/B testing and front-end technologies like JavaScript and Vue.js, as well as familiarity with Laravel/PHP. You'll design and implement experi ...

    Lead AV Installation Engineer Bespoke Home Cinema Leader

    A leading AV systems integrator in London is seeking a Lead AV Installation Engineer to work on high-end bespoke residential projects. The successful candidate will lead installation teams, ensure timely and budget-conscious project delivery, and possess strong client liaison skills. Experience with Crestron/Lut ...

    Lead AI Engineer Build Next Gen AI Systems

    A pioneering AI-first company in the UK is seeking an AI/ML Developer to design and optimize innovative advisory products. The ideal candidate will have over 3 years of experience in AI/ML development, strong programming skills in Python, and familiarity with TypeScript. This role offers a competitive salary and ...

    Senior Process Engineer PFDs, P&IDs & HAZOP Lead

    A pioneering company in sustainable wood products is seeking a Chemical Engineer to ensure safety compliance and translate business needs into effective designs. The ideal candidate will have a Master’s or Bachelor's degree in chemical engineering and at least 5 years of relevant experience. Strong communication ...

    🚀 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 Python Java Jobs in London Job Search Guide, Trends and Insights