• 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

    Data Engineer (Databricks) SC Clearance Required

    Data Engineer - Databricks & Big Data Pipelines (SC Cleared is required for this role)Location: UK only remote is possibleWorking Mode: remoteRate: £450-550 per day inside IR35Description:We're looking for a Senior Data Engineer - Databricks & B ...

    Data Engineer (Databricks) SC Clearance Required

    Data Engineer - Databricks & Big Data Pipelines (SC Cleared is required for this role)Location: UK only remote is possibleWorking Mode: remoteRate: £450-550 per day inside IR35Description:We're looking for a Senior Data Engineer - Databricks & B ...

    Staff Software Engineer Full Stack (Bangkok based, Relocation provided)

    Staff Software Engineer – Full Stack (Bangkok based, Relocation provided) 16 hours ago – Be among the first 25 applicants About Agoda At Agoda, we bridge the world through travel. Our story began in 2005, when two lifelong friends and entrepreneurs, driven by their passion for t ...

    Principal Data Engineer

    About Our Data & ML Team Data & AI powers our growth and innovation. We build enterprise platforms to create actionable insight enabling colleagues to make effective decisions and create proactive, automated, hyper-personalised experiences for our customers. We have a growing data and AI te ...

    Senior Solution Engineer

    Solution Engineering is your passion. Presenting, interviewing and communicating – it’s all in your DNA! You are a team player who can captivate both customers and colleagues. You listen carefully to others and inspire them by WHAT you say and, most of all, HOW you say it. Find your calling at Doxis! < ...

    Member of Technical Staff,Hardware Health MAI Superintelligence Team

    **Overview** Microsoft AI operates one of the worldu2019s most advanced AI training infrastructures, featuring multi-gigawatt clusters spanning tens of thousands of high-performance GPUs, ultra-low-latency NVLink/NVSwitch networks, and innovative liquid-cooling systems. Our team is seeking a Member of Te ...

    Member of Technical Staff,Hardware Health MAI Superintelligence Team

    **Overview** Microsoft AI operates one of the worldu2019s most advanced AI training infrastructures, featuring multi-gigawatt clusters spanning tens of thousands of high-performance GPUs, ultra-low-latency NVLink/NVSwitch networks, and innovative liquid-cooling systems. Our team is seeking a Member of Te ...

    Head of Engineering

    Job Description:Head of EngineeringAngel Court, LondonPermanent - Full time - HybridWe make health happenAt Bupa, we exist to help people live longer, healthier, happier lives — and to make the world a better place. It’s a purpose that shapes ever ...

    Head of Engineering

    Job Description:Head of EngineeringAngel Court, LondonPermanent - Full time - HybridWe make health happenAt Bupa, we exist to help people live longer, healthier, happier lives — and to make the world a better place. It’s a purpose that shapes ever ...

    C# Developer Front Office Engineering | Hedge Fund London

    We’re working with a leading fixed income hedge fund in London that is expanding its front‑office engineering team. The fund has a strong performance track record, a deep commitment to technology, and a culture where engineers work side‑by‑side with quants and traders to build the systems that drive the inves ...

    Cloud Engineer

    Job Title: Cloud Engineer (contract) Location: London Hybrid. Travel to the London office on 3 days a week Duration: 11 months Contract Start Date: ASAP *note client onboarding takes 6 weeks from offer <strong ...

    Machine Learning Engineer, Video Quality Analysis

    Machine Learning Engineer, Video Quality Analysis London, United Kingdom | Posted on 11/25/2024 We're thrilled to present an incredible career opportunity! We're recruiting on behalf of a renowned multinational company based in the United Kingdom, seeking a Machine Learning Engineer, Vide ...

    Forward Deployed Engineer SC Cleared

    Forward Deployed Engineer - SC Cleared - £150,000 - £160,000 base + Bonus, AI Consultancy Role: Forward Deployed Engineer - SC Cleared Package: £150,000 - £160,000 base + bonus + options Industry background: Customer Facing/Consultancy/AI/Data/SC Cleared We are exclu ...

    Data Engineer

    Data Engineer - National Security London Up to £54,000 S/C Clearable Ready to work on data-driven solutions supporting complex, real-world challenges? We’re looking for a Data Engineer to join a high ...

    Lead Software Developer with Dot Net SQL Server and Azure

    Job Description C# .net Lead Software Developer with SQL and AzureOur Client is an international company who are looking to recruit a Lead Software Developer with Dot net technology coupled with SQL Server and Azure and Devops.You must have at least 5 year ...

    Lead Software Developer with Dot Net SQL Server and Azure

    Job Description C# .net Lead Software Developer with SQL and AzureOur Client is an international company who are looking to recruit a Lead Software Developer with Dot net technology coupled with SQL Server and Azure and Devops.You must have at least 5 year ...

    GCP Native Engineering Lead

    Overview The Software Engineer will work as a hands-on individual contributor within a delivery team, responsible for developing high-quality software solutions. The role involves contributing to and, at times, leading design and engineering decisions, while delivering medium to high complexity wo ...

    Senior Software Engineer Workflow Orchestration London, GBR Posted today

    Senior Software Engineer - Workflow Orchestration Location: London Business Area: Engineering and CTO Ref #: Description & Requirements Part of the Enterprise Products organization, the Workflow Orchestration group is dedicated to delivering workflow management ...

    Senior Test Engineer

    About the Role We are looking for a Senior Test Engineer to join a small, high‑performing test team supporting product engineering, enterprise platform delivery, and client services through a strongly Lean software development approach. The team works across web applications, enterprise SaaS plat ...

    Site Reliability Engineer Private Cloud Compute

    Selection changes the language of the page/content London, England, United Kingdom Software and Services People at Apple don’t just build products — they craft experiences our customers love and depend on. Apple Services Engineering (ASE) builds and supports the systems that make many of th ...

    Senior Professional Services Consulting Engineer

    Who We Are We're Redis. We built the product that runs the fast apps our world runs on. (If you checked the weather, used your credit card, or looked at your flight status online today, you’re welcome.) At Redis, you’ll work with the fastest, simplest technology in the business—whether you’re bui ...

    Senior Professional Services Consulting Engineer

    Who We Are We're Redis. We built the product that runs the fast apps our world runs on. (If you checked the weather, used your credit card, or looked at your flight status online today, you’re welcome.) At Redis, you’ll work with the fastest, simplest technology in the business—whether you’re bui ...

    Senior SDET: Build Testing Frameworks for Microservices

    A global health and wellness retailer in Greater London is seeking a Senior Software Development Engineer in Test to design and maintain scalable automation frameworks. The successful candidate will lead the shift towards engineers owning their tests and promote high-quality engineering practices. A strong softw ...

    Senior React Lead & Frontend Architect (London)

    A leading financial services institution in London is looking for a Senior Lead Software Engineer to enhance and deliver top technology products. The ideal candidate will have over 5 years of software engineering experience and expertise in programming languages, cloud technologies, and AI integration. This role ...

    Cloud Native Tech Lead: Architecture, Mentorship & Delivery

    A leading technology firm in Greater London is seeking a Software Engineer / Tech Lead to drive the architecture and delivery of scalable cloud-native solutions. The role involves mentoring teams and championing secure software development practices. Candidates should possess strong experience with C#/.NET, Azur ...

    Rust Staff Engineer: Lead Secure, Scalable Backend Systems

    A leading tech company in London is seeking a Staff Software Engineer with deep expertise in Rust. In this senior role, you will lead backend system design and collaborate with cross-functional teams. Candidates should have a proven track record in software engineering, strong skills in backend development, and ...

    Senior Lead C++ Engineer, Cash Equities Liquidity (VP)

    JPMorgan Chase is seeking a Lead Software Engineer to join their Electronic Trading Technology team. The role involves designing and enhancing market‑leading technology products, conducting critical technology solutions, and ensuring operational stability. Candidates should have advanced C++ skills, experience i ...

    Senior Application Engineer

    Senior Applications Engineer - Connect Fibre Working from Home Founded in 2020 by a team of like-minded, very experienced telecoms professionals, we have one vision; to deliver. We are a rapidly growing fibre broadband business with a bold plan for the rapid rollout of multi-gigabit ful ...

    Senior Solutions Engineer German Speaker

    We are seeking passionate and industrious Solutions Engineers to join our go‑to‑market organization and help customers realize the full value of Algolia’s platform. This role partners with Sales, works closely with prospects and customers, and plays a key role in evaluating and adopting our solutions. ...

    Scala Developer

    Scala / JVM Developer | Global Core Platforms (Financial Services) The Opportunity We are proud to continue our long-standing partnership with one of the world's premier global financial institutions. As a trusted, deeply integrated talent partner t ...

    Head of Architecture Payments

    Head of Architecture (Java AWS Agentic AI) London / WFH to £130k</span ...

    Head of Architecture Payments

    Head of Architecture (Java AWS Agentic AI) London / WFH to £130k</span ...

    Senior Backend Engineer in London MASS Analytics

    Senior Backend Engineer London, United Kingdom Posted 12 months ago This is a job posted by our partner Jooble Tech stack NoSQL optimization Backend Databases Java SQL SQL & NoSQL Below is a snippet of ...

    Engineering Lead (+ Equity) at $27.5M Series B global benefits & fintech infrastructure startup

    Job Title Engineering Lead Location London, UK Salary Not Disclosed Company Description $27.5M Series B global employee benefits and fintech infrastructure startup Job Description As a player‑coach Engineering Lead, you will ...

    Computer Vision Engineer

    Lúnasa is a London-based space-tech start-up building next-gen space systems and services to provide safe, sustainable, and affordable satellite operations for the in-space economy. The company has received multiple contracts from the UK Space Agency and the European Space Agency to build and deploy advanc ...

    Staff ML Engineer Recommender Systems (Remote, London)

    A leading social media platform in the UK is seeking a Staff Engineer to enhance its personalization models for 300 million users. The ideal candidate will have over 8 years of experience, strong coding skills in Go or Java, and expertise in machine learning and systems design. This remote role offers the opport ...

    Backend & API Engineer, Payouts Platform

    A leading technology recruiting firm is seeking a Backend/API Engineer to join the Payouts team, focusing on building systems that facilitate money transfers. The role involves designing reliable payout APIs and improving the speed and accuracy of fund transfers, addressing complex challenges at the intersection ...

    Senior Backend Engineer: Cloud Native Microservices & AI

    A leading cloud-native video platform is seeking a Senior Backend Engineer to design and build scalable APIs and microservices. This role emphasizes reliability and performance, requiring expertise in Java and AWS, along with a proactive approach to learning. The successful candidate will cultivate a culture of ...

    Principal Platform Engineer: AI, Reliability & Leadership (Hybrid/Remote)

    LexisNexis Risk Solutions is looking for a Principal Engineer to guide technical direction across teams, focusing on system modernization and AI applications. This full-time role involves collaborating with various teams to enhance reliability and scalability of platforms. Candidates should have extensive backen ...

    Senior Android Platform Engineer – Full Stack Debug

    A leading technology company in Greater London is seeking an experienced Android Platform Engineer to tackle complex technical problems across the system stack. The role involves deep technical triage, proactive improvements, and collaboration with engineering teams. Ideal candidates have 5-8 years of hands-on A ...

    AI Driven Integration Engineer (Remote)

    Fiskl.AI is seeking a skilled engineer to build financial integrations and automate accounting systems. In this role, you will develop payment and banking integrations while employing AI tools to enhance productivity. Ideal candidates will have over 3 years of experience in backend development, specifically usin ...

    Senior Android Engineer: Kotlin, Clean Architecture, Equity

    Hopeghospital is seeking a Mid/Senior Android Engineer in Greater London. The role involves designing and developing scalable Android applications using Kotlin and Java, integrating REST APIs, and mentoring junior developers. The ideal candidate has strong skills in MVVM and Clean Architecture, with a focus on a ...

    Senior Platform Solutions Engineer (API & Partners)

    Wise Australia Investments is seeking a Senior Solutions Engineer to join the Wise Platform team in London. This pivotal role involves providing technical consulting to banks and tech companies, enhancing product offerings, and collaborating across teams to integrate Wise products. Candidates should have strong ...

    FX Latency Engineer & Tech Lead – Hands on, Hybrid

    Citi is seeking a hands-on Java engineer for a full-time role in London. The position involves managing a talented team, implementing solutions in FX Technology, and enhancing system architecture. Candidates should have strong experience in ultra-low-latency development and a proven track record in building syst ...

    Senior Full Stack Engineer — TypeScript, AWS & Svelte

    Java Script Works is seeking a Senior Full Stack Engineer to join their team in London. The role requires knowledge of Typescript, Svelte, and AWS Serverless, with confidence in learning new technologies being essential. The company offers a competitive salary and bonus as part of its commitment to valuing exper ...

    AI Integration Engineer: Multi Agent & Responsible AI

    Java Script Works is looking for an AI Integration Engineer based in London, England. The successful candidate will develop capabilities that integrate AI technologies with front-end tools like React and Next.js, focusing on effective autonomous reasoning workflows and responsible AI principles. This i ...

    Senior QA Engineer Funding & Exchange Platform

    B2C2 Ltd. in London is seeking a Senior Quality Assurance Engineer to implement robust end-to-end integration tests for their trading and risk components. The role requires extensive experience in technical testing within a financial services environment, proficiency in Java, and a proven track record with excha ...

    Senior Backend Engineer, Messaging & Notifications (AI‑First)

    Miro is looking for a Senior Backend Engineer to join the Messaging team in Greater London. The ideal candidate will design and implement scalable backend services for notifications and must have over 6 years of backend experience, particularly with Java 17 and distributed systems. Miro offers a global benefits ...

    Senior Backend Engineer Fintech Scale Up (Stock Options)

    ARQ, a rapidly growing fintech in Greater London, is seeking a Backend Engineer to design and develop scalable backend systems. You'll work on greenfield projects, build REST APIs, and create microservices, all while using Java, Spring Boot, and Postgres. We're looking for candidates with over 5 years of experie ...

    Senior Product Engineer — AWS, TypeScript & Node.js

    Java Script Works is seeking a Senior Product Engineer in London, United Kingdom, to work in an AWS cloud-native environment. In this full-time role, you will leverage your expertise in NodeJS, Typescript, and Prisma, contributing to the team’s future direction. With a salary range of £100K - 120K, thi ...

    🚀 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