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
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.

Reset

Create Job Alert

 
   
Reset

Lead Full Stack Engineer in London Zapp

Essential Skills 5+ years of BE experience with Node.js 5+ years working with Typescript 3+ years experience building UIs in React Comfortable with data design and database architecture Experience working with SQL & NoSQL databases Fur ...

Senior Air Conditioning Engineer | Lead Technician & Mentor

QuickSource Group Ltd is seeking a Senior Air Conditioning Engineer based in Central London, offering a salary range of £50-60,000. The successful candidate will be responsible for service and maintenance of various AC systems, ensuring adherence to industry regulations. Applicants should have NVQ Leve ...

Associate Temporary Works Engineer: Facade Lead (Hybrid)

Salter Grange Limited is seeking an Associate Temporary Works Engineer to join our team in Central London. This hybrid role involves leading temporary works solutions across various construction projects, requiring strong façade design experience and proficiency in AutoCAD. The ideal candidate will hav ...

Senior Fire Engineer Lead Fire Safety Projects

Energy Jobline CVL is seeking a Senior Fire Engineer to oversee innovative fire safety engineering projects in London. The ideal candidate will possess 5+ years of consultancy experience along with strong UK fire legislation knowledge. This role involves developing fire strategies, managing projects, a ...

C++ Lead Engineer — Real Time Trading Systems

Morgan McKinley is seeking an Engineering Lead (C++) to lead a team working on a business-critical platform for real-time trading and risk management. This hybrid role involves hands-on C++ development while improving release processes and collaborating with trading and risk teams. You will be responsible for mo ...

BMS Project Engineer Design, Commission & Lead (London)

Benjamin & Associates Ltd is seeking a BMS Project Engineer for their team in London and surrounding areas. This role requires expertise in BMS design, software, commissioning, and project management using Trend and Tridium systems. The ideal candidate will have experience with projects valued between ...

Salesforce Lead Solutions Engineer Pre Sales Impact

Salesforce is seeking a Lead Solution Engineer to drive client success by architecting tailored solutions using Salesforce products. This role involves pre-sales activities, technical presentations, and collaboration with sales and consulting teams. The ideal candidate will have a degree or equivalent experience ...

Lead D365 Engineer (Finance) in London On

Lead - D365 Engineer (Finance) London, United Kingdom Posted over 1 year ago Tech stack C Dynamics 365 Finance TypeScript Experience and Skills With a strong background in Dynamics 365 development and implementation, particularly ...

Lead ML Engineer – GCP for FinTech Trading

Orbis Group is hiring a Lead ML / AI Engineer in Greater London to develop Production Machine Learning capabilities for trading intelligence and client behaviour analysis. You will own the full ML lifecycle, deploying models with a modern tech stack. Ideal candidates will have over 5 years of experience in ML sy ...

Lead Data Engineer — Secure, Scalable Cloud Pipelines

British Airways is seeking a Principal Data Engineer to play a critical role in enabling high-performing data platforms. You will lead the design and deployment of data pipelines, ensuring performance and resilience. Ideal candidates possess strong SQL development experience and expertise in cloud data managemen ...

Senior EC&I Engineer – Defence Systems Lead

ASSYSTEM is seeking a highly capable Senior EC&I Engineer in Greater London to lead and support engineering activities across Defence projects. You will manage the full engineering lifecycle, ensuring designs are safe, compliant, and cost-effective, while mentoring junior engineers. The role emphasizes stakehold ...

Lead Full‑Stack Engineer | Architect, Mentor, Strategist

Calyptus is seeking a Lead Full Stack Engineer in Greater London to operate at the intersection of technical execution, team leadership, and product strategy. This role involves owning architecture, designing complex solutions, and mentoring engineers to enhance their growth. Ideal candidates will have experienc ...

Lead Systems Engineer – Defence (Hybrid, SC Cleared)

Northrop Grumman UK is seeking a Systems Engineering Team Lead to guide a team of engineers in New Malden. The role involves overseeing system engineering activities, ensuring project delivery, and maintaining high-quality standards. Applicants should have a degree in a relevant field, 3-5 years of systems engin ...

Lead Systems Engineer – AI/LLM Infra & Reliability

Code Unique is hiring a Lead Systems Engineer to build a foundational infrastructure-scale control system. You will be responsible for system architecture, execution integrity, and long-term technical direction. The ideal candidate will have proven experience in building complex, reliable systems, especially aro ...

Senior Lead Engineer Private Cloud & PIAM Architect

Agoda is seeking a Senior Lead Engineer to drive the architecture and operational excellence of its private cloud platform. You will lead initiatives enhancing scalability, reliability, and security, particularly across large multi-cluster Kubernetes environments. The ideal candidate has extensive experience in ...

London Growth Engineer: Lead CRO & Growth Experiments

Madrona Venture Labs is hiring a Lead CRO Engineer in London to optimize user conversion rates through comprehensive strategies. You will lead the conversion rate optimization program, design experiments, and collaborate closely with marketing. Ideal candidates will have a strong background in growth engineering ...

Senior Offshore Power Cable Engineer & Project Lead

ABL Group is seeking a Principal Engineer to lead medium to large marine warranty survey projects, focusing on subsea power cable installation. Key responsibilities include project management, technical document review, and team coordination. Ideal candidates will have a degree in a relevant engineering field an ...

Kyriba TMS Engineer I Treasury Solutions Lead

Checkout.com is looking for a talented professional with over 3 years of experience in corporate treasury management and TMS implementations. The role involves leading solution design sessions, configuring and testing TMS modules, and providing support through various phases of deployment. The ideal candidate wi ...

Senior Project Engineer — Site & Design Lead (London)

Cavendish Professionals is seeking a Project Engineer to join a respected UK Construction Contractor in Greater London. This role involves providing engineering expertise throughout construction phases, ensuring design compliance, and conducting regular site visits. The successful candidate will have proven expe ...

Senior Cloud Security Engineer – Cloud & DevSecOps Lead

HealthHero is seeking a Senior Cloud Security Engineer for its London or Bristol offices. On a fixed-term contract, you will be part of the Platform Security team, focusing on cloud security across AWS and Azure. This role involves championing CI/CD security integration, managing cloud security posture, and trac ...

Cloud Engineer Multi Cloud Platform & Automation Lead

Global Resourcing is seeking an experienced Cloud Engineer for an initial 3-6 month contract in Greater London. The role involves shaping and delivering secure, scalable cloud infrastructure across AWS and Google Cloud. Responsibilities include improving multi-cloud platforms, ensuring security standards, mentor ...

Lead Data Engineer (Oil, Gas, Energy Trading)

Lead Data Engineer (Oil, Gas, Renewables Energy Trading) If you are a senior engineer with a passion for pursuing leadership responsibilities, this role is for you—providing you have experience working within commodities as a data engineer building pipelines for front office applications. ...

Hybrid Lead Mechanical Engineer: Cooling Systems & Pipework

Consortium Professional Recruitment is seeking a Lead Mechanical Engineer to oversee cooling systems and pipework solutions in hybrid settings in Greater London. This role requires technical expertise and strong project delivery skills in high-spec environments. You will lead project specifications, ensure techn ...

Senior Data Centre Mechanical Engineer – Lead (Hybrid)

WSP in the UK & Ireland is looking for a Senior Mechanical Engineer for its Data Centre team in London. This role involves designing mechanical distribution systems, providing expert advice to clients, and leading the technical specifications of mechanical systems. The ideal candidate will have experience with d ...

Lead Structural Design Engineer – Global Impact & Innovation

Jacobs is seeking a Principal Structural Design Engineer to join its Building Structures team in Greater London. This role involves leading innovative design projects across various sectors such as airports, data centers, and rail infrastructure. You will leverage your strong experience in building structure des ...

Lead Human Factors Engineer Medical Device (Contract)

Femtech Insider Ltd. is seeking a Human Factors Engineer in Greater London for a contractor role involving usability assessments and medical device risk management. Ideal candidates should have a degree in Human Factors Engineering and significant experience with software-based medical devices. Responsibilities ...

Senior RF Engineer: Antenna & Microwave Systems Lead

Pertemps Specialist Talent Solutions is seeking a Senior RF Engineer in North London. This is a unique opportunity for an RF/Microwave specialist to manage significant engineering projects within a high-tech environment, aiding the product lifecycle from design to testing. Candidates require strong RF component ...

UK Customer Engagement & Support Lead, Field Engineer

L3Harris is seeking a UK Customer Engagement and Support Lead in London. This role involves driving business growth, supporting customer needs, and serving as a field engineer. It requires a Bachelor’s degree, 3+ years of management experience, and experience in technical or defense environments. Benefits includ ...

Senior Fire Safety Engineer: Lead & Mentor Team

Cundall is seeking an experienced Principal Fire Safety Engineer for their London office. This leadership role involves designing innovative fire safety engineering solutions across sectors like healthcare, education, and commercial, while mentoring junior team members. The ideal candidate will hold a relevant d ...

Lead Access Control & Security Engineer – Nuclear Project

Janikin Energy is seeking a Security Systems Engineer for a major nuclear infrastructure programme in the UK. The role offers a long-term contract with a hybrid working model (2–3 days on-site). You'll take ownership of security and access control systems, working closely with various stakeholders and suppliers. ...

Lead Mechanical Design Engineer Flexible Hours & Growth

Skilled Careers is seeking a High Intermediate Mechanical Engineer for their Epsom office. The ideal candidate will lead mechanical design delivery, coordinate with clients and teams, and support junior engineers in a variety of projects. This position offers competitive salaries, flexi working arrangements, and ...

Lead Maintenance Engineer Mobile Ops (Stock Options)

Kitt, located in Greater London, is seeking a Senior Maintenance Engineer to lead a team in delivering maintenance services. The role includes overseeing operations, optimising engineer schedules, and ensuring high-quality service standards. Candidates should have at least 5 years of experience in maintenance en ...

Lead Data Engineer: Data Ingestion & Azure Pipelines

Eaglecliff Recruitment is looking for a Data Engineering Lead (Data Acquisition) to join a global Energy company in Greater London. You'll own the data ingestion strategy, design scalable pipelines on Azure, and lead a team of data engineers. The role requires 10+ years in data engineering, hands-on expertise in ...

Lead AI Engineer – Architecting Autonomous Enterprise AI

Higher - AI recruitment is seeking a Lead AI Engineer to work directly with enterprise clients, automating their complex workflows with advanced AI systems. This hands-on role requires over 5 years of experience in production-grade AI, a proven leadership track record, and solid architecture skills. The position ...

Lead Security Engineer — Cloud & Hybrid Security Leader

Tain is seeking a Lead Security Engineer to enhance security capabilities across cloud and on-premise environments. This pivotal role focuses on embedding security into design, implementing robust controls, and driving automation. Responsibilities include defining security roadmaps, leading engineering practices ...

Senior iOS Engineer — Lead Features & Tech Direction

hackajob is seeking a Senior or Lead iOS Developer to join our mobile team in Greater London. This pivotal role requires technical ownership of iOS projects, driving feature delivery, and ensuring high-quality code production. The ideal candidate will have significant experience in iOS development with Swift and ...

Lead Pricing Engineer (SVP) FX eTrading Citi

Discover your future at Citi Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact. About ...

Lead Platform Engineer — SDKs, APIs & Dev Experience

LEGO Digital Play in Greater London is seeking a Lead Engineer for the Developer Platform. This role involves architecting and operating essential engineering capabilities like SDKs and APIs, ensuring high-quality digital experiences. The ideal candidate will have a Bachelor's degree in a relevant field, experti ...

Lead Data Engineer: Databricks/PySpark (Hybrid London)

EPAM Systems is seeking a Lead Data Engineer to join our team in London, UK, in a hybrid mode. This role involves shaping and delivering next-generation data platforms, developing scalable ETL workflows, and integrating AI-driven data solutions using Databricks and PySpark. The ideal candidate will possess stron ...

Electrical Project Engineer: Site Lead & Construction Pro

A leading construction firm in Greater London is seeking a Site Engineer to provide professional engineering services on-site. The ideal candidate will guide the site team, perform inspections to ensure compliance with specifications, and coordinate with subcontractors for seamless handovers. This role involves ...

Staff ML Engineer: AI Systems & MLOps Lead

EDITED, located in Greater London, is seeking a Staff Machine Learning Engineer to spearhead their AI strategy and develop robust ML systems. You will take ownership of the entire ML lifecycle, from initial exploration to deployment. Responsibilities include leading MLOps, mentoring junior engineers, and collabo ...

Data Centre Principal Electrical Engineer Lead & Mentor

Blackedge Consulting is seeking a skilled Principal Engineer to lead electrical engineering teams on complex data centre projects across the UK and Europe. The successful candidate will manage project scope, schedule, and budget while mentoring engineers and ensuring strong client relationships. Required qualifi ...

Senior SOAR Engineer: Lead Security Automation & Response

Tata Consultancy Services is seeking a Senior SOAR Engineer in Greater London. This position involves leading SOAR engineering activities, managing the design and maintenance of the SOAR platform, and collaborating with security operations for continuous improvement. Ideal candidates should have strong experienc ...

Remote Principal Data Engineer French Speaking Lead

Colibri Digital is seeking a French-speaking Principal Data Engineer to support key client engagements in the UK. This role entails serving as the primary technical authority, overseeing the delivery of high-impact data solutions, and aligning technical architecture with strategic business goals. Candidates shou ...

Senior Nuclear Safety Engineer — Major Projects Lead

Risktec Solutions in the United Kingdom is seeking a Principal/Senior Nuclear Safety Engineer to join their dynamic nuclear team. The successful candidate will lead the delivery of major nuclear safety cases and provide specialist technical advice. Applicants should have a minimum of 5 years’ experience in nucle ...

Senior Methods Engineer – BIM‑Driven Construction Lead

Balfour Beatty plc is seeking a Senior Methods Engineer to join the Methods Engineering Team in Greater London. In this role, you will develop optimized construction solutions for infrastructure projects valued between £25m and £1bn+. Responsibilities include leading construction methodologies, collaborating wit ...

Senior Application Security Engineer — DevSecOps Lead (Hybrid)

Eeze Entertainment Malta Limited is seeking a Senior Security Engineer (Application) to enhance application security practices within their fast-paced engineering organization. This role involves collaborating with engineers to identify risks, implement security controls, and promote security-by-design practices ...

Senior Structural Engineer – Lead Low Carbon Projects

Ramboll is seeking a Senior/Principal Structural Engineer to lead various engineering projects in London. This role requires a chartered engineer with a track record in complex design and sustainability. You will develop design concepts, inspire a team, and represent Ramboll in client meetings. The position feat ...

Senior Mechanical Engineer: Data Centre Solutions Lead

Blackedge Consulting is seeking a Senior Mechanical Engineer to join their team in London. This role involves leading project delivery, providing technical expertise, and ensuring high-quality mechanical building services designs. Ideal candidates should have a degree in Mechanical Building Services Engineering, ...

Lead Rust Engineer: High Performance Data & AI

VML Enterprise Solutions is looking for a Rust Engineer to join their innovative team. You'll lead a new project focused on high-performance data processing, enhancing existing Rust code, and solving complex problems. The ideal candidate will have proven Rust experience, strong data handling skills, and understa ...

🚀 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

    Lead Software Engineer Python Java Jobs in London Job Search Guide, Trends and Insights