• London Jobs Expertini profile avatar

    • Software Engineer Python Java Data 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. Software Engineer Python Java Data Jobs

    6. Download PDF

    Reset

    Create Job Alert
      Add Alert

     
     
    Create Alert
     
    Reset

    Senior Backend Engineer (Node/TypeScript) – High Impact

    A major financial services group in the UK seeks a Senior Backend Engineer to join their engineering team. The ideal candidate will have over 3 years of backend development experience, particularly with Node or JVM frameworks. Responsibilities include delivering high-quality software, mentoring junior engineers, ...

    Senior AI/ML Architect & Lead Product Engineer

    A leading software company is seeking a Principal AI/ML Scientist & Engineer to lead a team of Applied Scientists and AI/ML Engineers. This role focuses on developing AI-driven solutions and requires deep expertise in modern AI engineering alongside strong leadership skills. Ideal candidates should have over 8 y ...

    IT Support Engineer – London Game Studio (On site)

    Rocket-Science-Group is recruiting an IT Support Engineer for their London-based game studio. In this role, you will provide 1st and 2nd line support, helping to maintain the IT infrastructure crucial for game development. You will diagnose hardware and software issues, support end-user environments, and develop ...

    Senior ML Engineer, Recommendations — End to End Real Time ML

    SoundCloud is seeking a Senior Machine Learning Engineer for their Recommendations Experience team in Greater London. This role involves developing ML and LLM-based systems to enhance user personalization and satisfaction. Candidates should possess strong engineering skills with 1–2+ years in production ML syste ...

    Senior SRE Engineer Scale, Reliability & Automation

    Google Inc. is hiring for a Site Reliability Engineer position in Greater London. In this role, you will engage in the whole lifecycle of services, from design to operation, ensuring reliability and performance in large-scale systems. Applicants should possess a Bachelor's degree in Computer Science or equivalen ...

    Senior Front End Engineer (React) – Fintech UI & Cloud

    A global financial services firm in Greater London is searching for a Front-End Engineer to join their International Consumer Bank. In this role, you will deliver cutting-edge solutions using cloud-native microservices architecture and focus on the full software development lifecycle. Candidates should be profic ...

    Security Engineering Lead: Cloud, IaC & CI/CD

    smart.co is seeking a Principal Security Engineer to lead the integration of security practices into the CI/CD pipeline. Key responsibilities include designing a secure software development toolchain, mentoring engineering teams on security best practices, and managing cloud security postures. The ideal candidat ...

    Full Stack JS Engineer Learning Budget & Flexible Hybrid

    A leading education technology company is looking for a Software Engineer to enhance user experience and manage technical SEO projects. You'll join a squad dedicated to developing high-quality web applications using JavaScript, React, Next.js, and Node.js. The role offers a competitive salary of £60,000 along wi ...

    Staff Full Stack Engineer: Cloud Native & High Impact

    Affinidi is seeking an experienced Staff Software Engineer (Full Stack) to enhance our Affinidi Elements product. The ideal candidate will have extensive experience with Javascript, Typescript, Node.js, and React, and be comfortable working in a hybrid, fast-paced environment. You will collaborate globally with ...

    Systems Engineer Broadcast Deployments & Vizrt

    Vizrt is seeking a System Engineer in Greater London to play a key role in software deployment projects. The position requires strong technical skills, a foundational knowledge in broadcasting, and experience in system engineering or broadcast IT. The candidate will support the deployment of Vizrt products, assi ...

    Senior Structural Engineer — Design & Impact Leader

    A multidisciplinary consultancy is seeking a Structural Engineer based in London, focusing on refurbishment and upgrades of existing buildings. The role involves conducting detailed assessments and providing sustainable solutions. Candidates should have at least 5 years of post-qualification experience, a degree ...

    Senior Full Stack Engineer Fintech Platform (Hybrid)

    Pentasia is seeking a Senior Full Stack Engineer in the Greater London area to design and build a regulated financial platform. You will have end-to-end ownership and will work closely with an experienced engineering team. Ideal candidates should have 5–7 years of experience in software development, particularly ...

    Senior C++ Engineer—High Performance Systems

    REAL Technical Solutions Limited seeks a Senior C++ Developer/Software Engineer in London for a 6-month rolling contract at £650 per day. The successful candidate will oversee large-scale programming assignments, ensuring project management timelines are met. The role requires 7+ years of experience in C++, SQL ...

    Structural Engineer – Complex Schemes & BIM Specialist

    Ridge and Partners LLP is seeking a Structural Engineer to join their London office in Southwark. The role involves preparing structural designs, conducting design calculations, and coordinating with other specialists. Required qualifications include a degree in structural or civil engineering and proven experie ...

    Senior Systems Engineer Mission Critical 12 Month IR35 Contract

    Outsource UK is seeking a Senior Systems Engineer to support BAE Systems on complex, software-intensive programmes. This is a 12-month contract based in New Malden, working 3–4 days per week. Candidates should have proven experience in systems engineering, particularly in regulated environments. Responsibilities ...

    Graduate Structural Engineer Design, Calculations & CPD

    A leading design and engineering firm in Greater London is seeking a Graduate Structural Engineer to support senior engineers in design tasks, including calculations and project oversight. The ideal candidate has a degree in Structural or Civil Engineering and a strong understanding of design software. This full ...

    Applied AI Engineer & Consultant — Hybrid FS Solutions

    Ernst & Young Advisory Services Sdn Bhd is hiring a Consultant – Applied AI Engineer to work in London or hybrid locations. This role involves supporting workshops, building LLM/RAG features, and translating business challenges into technological solutions. The ideal candidate has solid software fundamentals, a ...

    Senior Backend Engineer: Scalable Systems & Tools

    APPLE is looking for a software engineer to join their documentation engineering team in Greater London. This role focuses on backend technologies, API design, and improving existing systems. Candidates should have experience with web applications, a passion for product development, and strong communication skil ...

    Civil Project Engineer Drainage & Design Lead (Hybrid)

    A leading engineering consultancy in Central London is seeking a talented Civil Project Engineer with 4+ years of experience. This role involves key responsibilities like drainage calculations and civil drawings using industry-standard software like Causeway Flow, Civil 3D, and AutoCAD. Candidates should possess ...

    Senior Embedded Firmware Engineer — Hybrid London

    Avanti Recruitment is hiring a Senior Firmware Engineer for a role in London, offering hybrid working. You will be developing and maintaining embedded software within a high-performing team on complex systems. Key responsibilities include debugging, collaborating with hardware engineers, and contributing to arch ...

    Senior Native Engineer: Secure OS Networking (Remote)

    Hyperproof is seeking a Senior Engineer to take long-term ownership of our core system-level product suite across Windows and macOS. In this role, you will lead architectural development for our applications, ensuring stability, security, and performance. The position requires deep experience in system-level pro ...

    Senior Civil & Infrastructure Lead — Regeneration

    A respected engineering consultancy in Greater London is seeking a Senior Civil / Infrastructure Engineer. The role involves leading projects across various sectors, ensuring high-quality designs while managing client relationships. With approximately 10 years of experience, candidates should possess strong lead ...

    Hybrid Full Stack Engineer II – London

    Ziff Davis, LLC is seeking a Software Engineer II to join their Engineering team in London. This hybrid role involves collaborating with a squad of over 25 engineers to deliver exceptional user experiences for 8 million monthly visitors. The position requires at least 4 years of backend development experience, p ...

    Senior QA Automation Engineer API, Performance & FinTech

    Apexon is seeking a highly skilled Senior QA Automation Engineer to join a dedicated engineering team in London. The role focuses on developing robust automation frameworks and ensuring high-quality software delivery for critical financial platforms. Responsibilities include API and integration testing, performa ...

    Senior DevSecOps Engineer: Secure Cloud & CI/CD (Hybrid)

    A financial technology company in Greater London is seeking a Senior DevSecOps Engineer to join their high-impact team. This role emphasizes integrating security into the software development lifecycle by enhancing security practices and automating compliance within their GCP and Kubernetes environments. The ide ...

    Region Services Site Reliability Engineer (Windows CI/CD)

    AMAZON UK is seeking a Systems Development Engineer who will be pivotal in automating the build and deployment of Windows services. This role involves implementing a CI/CD approach and developing Infrastructure as Code with Ansible. Candidates should have a strong background in systems engineering, software deve ...

    Backend Engineer – TypeScript/Nest.js, Hybrid (London)

    A leading sportswear company is seeking a Backend Software Engineer to develop and maintain cloud-native applications using TypeScript and microservice architectures. The role offers a supportive environment conducive to growth, with an emphasis on hybrid work, requiring two days per week in the London office. C ...

    Full Stack JS Engineer Learning Budget & Flexible Hybrid

    A leading educational platform in Greater London is seeking a talented Software Engineer to enhance user experience and develop strategic initiatives. The ideal candidate has strong expertise in JavaScript, React, Node.js, and AWS, along with the ability to work collaboratively in a cross-functional squad. This ...

    Senior Rust Engineer Global Crypto Infra Architect

    Jack & Jill is seeking a Senior Rust Engineer in London, UK, to develop high-performance systems for institutional crypto adoption. In this role, you will design backend services in Rust and optimize PostgreSQL databases to manage vast transaction volumes. The ideal candidate has over 5 years of software enginee ...

    Platform Engineer – Self‑Service Infra for Scale (London, 4d onsite)

    Fruition Group in London is seeking a Software Engineer for their Core Infrastructure team. This role focuses on building platforms that enhance developer experience across multiple teams. You'll work on cloud-native tooling in environments like AWS or GCP and improve CI/CD pipelines. Ideal candidates have exper ...

    Senior Backend Engineer — AI Integrity & Safety

    A leading AI research company is seeking a software engineer to design systems for harm detection and safety. This role requires at least 5 years of backend engineering experience and a passion for learning from top experts in the field. Candidates should be comfortable navigating ambiguity and possess strong co ...

    Full Stack Engineer: Build Secure Digital Apps (Hybrid)

    Onyx-Conseil is looking for a Full Stack Software Engineer who will take ownership of building high-quality applications across the entire technology stack. This hybrid role based out of Newcastle offers competitive salary, excellent pension, private healthcare, and a share scheme that makes you a CGI Partner, n ...

    Senior Frontend Engineer: React + TS, Remote, 4 Day Week

    A dynamic tech startup in the UK is seeking a Senior Front End Engineer for a remote-first role. You will join a small engineering team, building impactful software for public services using React and TypeScript. Responsibilities include feature development, UI design translation, and end-to-end ownership of fea ...

    Senior Electrical Engineer, Rail & M&E Design Lead

    SYSTRA is seeking a Senior Electrical Engineer to join their M&E engineering team in Greater London. The role involves producing and delivering electrical designs for various projects, ensuring they meet client requirements and applicable standards. Essential skills include knowledge of electrical services desig ...

    Product Security Engineer: Drive Secure by Design Wins

    Trainline is looking for a Product Security Engineer Analyst to embed security into the product development lifecycle and handle vulnerability management. The role involves supporting secure development practices, participating in threat modeling, and reviewing security issues. Candidates should have relevant ex ...

    Senior Electrical Engineer Building Services Lead (London)

    Celnor Group is seeking a Senior Electrical Engineer to lead the design and implementation of electrical systems for building services in London. The role involves conducting feasibility analyses, overseeing project execution, and ensuring compliance with safety standards. Candidates should have a Bachelor's deg ...

    Ambitious Backend Engineer (Node.js) – London Office

    Wayfindi in London is seeking a Mid Level Backend Engineer (Node.js) to enhance their backend infrastructure. You will be responsible for handling scaling challenges and new feature integrations while collaborating closely with the CTO. The ideal candidate has at least 2 years of software development experience, ...

    Senior Applied AI Engineer & Enterprise AI Leader

    EY is looking for a Senior Applied AI Engineer (Manager) in Greater London to lead technical delivery across diverse client portfolios, primarily in Financial Services. Your role involves engaging stakeholders, ensuring production-readiness, and architecting enterprise-grade AI services. This hybrid position req ...

    Senior Full Stack Engineer: AI Powered Fintech (Hybrid)

    Wave Group is seeking a Senior Full Stack Engineer in London to contribute to their AI-first fintech environment. The role includes end-to-end ownership of features, enhancing AI in software development, and building payments infrastructure. Candidates should have strong experience with TypeScript and a curiosit ...

    Senior SEIT Engineer: Field Ready Systems Integration

    Anduril Industries in Greater London is looking for an experienced Systems Engineer to lead the integration of complex systems for military applications. The ideal candidate will have over 8 years of experience in systems engineering and integration, with a focus on hands-on testing and validation of hardware an ...

    Senior Backend Engineer: .NET & Azure Cloud Migration Lead

    Parser is seeking a Senior Software Engineer in Greater London to lead the migration of .NET services from AWS to Azure. The role involves designing event-driven systems, mentoring teams, and establishing CI/CD pipelines. The ideal candidate will have strong skills in .NET Core/6+, AWS, and Azure technologies, w ...

    Senior TS Full Stack Engineer, Trading Platform (Hybrid)

    NPAworld is seeking a Senior Full-Stack Engineer to join a trading platform program in Waterloo, London. The role involves designing, building, and maintaining high-performance features, primarily using TypeScript, Node.js, and React. The ideal candidate will have over 8 years of software development experience ...

    Senior Platform Engineer Infra, Kubernetes & Fintech

    ARQ is looking for a Senior Platform Engineer in Greater London to design and implement secure and highly-available infrastructure. The ideal candidate will have 5-10+ years of software engineering experience, strong skills in infrastructure engineering, and familiarity with Kubernetes and IaC. You will collabor ...

    Product Engineer: AI Robotics for Onsite Manufacturing

    Story Terrace Inc. is seeking a Product Engineer in Greater London to enhance automation in construction. The ideal candidate has over 3 years of full-stack software engineering experience, particularly with TypeScript, React, and Node.js. Responsibilities include building operator UIs, implementing AI for desig ...

    Senior QA Automation Engineer (API & CI/CD)

    Elsevier is seeking a Quality Test Engineer III based in Greater London who is passionate about delivering high-quality software. In this role, you will drive quality across the development lifecycle and collaborate closely with engineers and product managers. The ideal candidate will have at least 4 years in Qu ...

    Senior Backend Engineer Scalable APIs & Reliable Systems

    Omaze is seeking a Software Engineer to join their backend team in the United Kingdom. The role involves enhancing backend systems, engaging in cross-functional collaboration, and mentoring fellow engineers. Ideal candidates will have experience with backend technologies, API and database design, as well as a st ...

    Senior Full Stack Engineer — Enterprise Platform

    Antler in London is seeking an exceptional Fullstack Engineer to build the enterprise foundation of Lovable. This role requires extensive experience in building and shipping full-stack products, with a focus on multi-cloud deployment and integration with enterprise systems. Responsibilities include designing sys ...

    Highways Design Engineer — Hybrid

    WSP in the UK & Ireland is looking for a Civil Engineer to join their highways team in Greater London. The role involves preparing designs and specifications, mentoring junior staff, and delivering projects in collaboration with National Highways. Ideal candidates will have a degree in Civil Engineering, experie ...

    Hybrid Build Engineer Health IT & Systems Integration

    Magentus Group in Manchester is looking for a Build Engineer to support and implement high-quality applications for healthcare. This role involves maintaining specifications, collaborating with teams to deliver configurations, and performing unit testing for functionality. Required qualifications include a Bache ...

    ML Engineer 3D Geometry & Multi Modal AI

    Autodesk, Inc. is looking for a Machine Learning Engineer to collaborate on projects at the intersection of research and product. The role involves building ML pipelines and working with complex datasets. The ideal candidate has over 3 years of machine learning experience, strong software skills, and proficiency ...

    🚀 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 →

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