• 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 Cloud Security Engineer: Automation & AI Security

    Lawrence Harvey is seeking a hands-on Security Engineer in Greater London. This role involves building and scaling a Security Engineering function while optimizing security workflows through automation. The ideal candidate has strong knowledge of cloud security—especially in Google Cloud Platform—and experience ...

    Azure Engineer Hybrid Cloud Migration (6 Month)

    Crone Corkill is looking for an Azure Engineer to join their client's team for a 6-month fixed-term contract. This pivotal position involves designing and maintaining Cloud infrastructure on Azure and supporting the migration of business-critical workloads into the Cloud. The successful candidate should have kno ...

    VP AI Product Engineer — Banking Technology Leader

    Citibank (Switzerland) AG seeks a visionary AI Product Engineer for its Banking Technology group in London. This senior role requires a blend of product management and engineering skills, focusing on AI-driven innovations in financial products. The candidate will define the product strategy, lead a dedicated tea ...

    Foot Mobile Building Services Engineer (Multi Site)

    A leading facilities management company is seeking a reliable Foot Mobile Maintenance Engineer to conduct planned and reactive maintenance across commercial sites in Greater London. The successful candidate will hold a Level 3 qualification in Electrical or Mechanical Engineering and possess solid building servi ...

    Senior Water Process Engineer Optioneering & Design Lead

    A leading engineering consultancy based in Greater London is looking for experienced Principal/Senior Process Engineers to join their Design & Engineering team. This role focuses on providing design inputs for water improvement projects and requires a degree in Chemical Engineering along with Chartered membershi ...

    Senior Growth Full Stack Engineer — Onboarding & Funnels

    A technology startup focused on fitness is looking for a Senior Full Stack Engineer to join their Growth Engineering team. This role involves architecting and building user journeys to enhance conversion rates, collaborating with various teams, and implementing tracking for user behavior insights. The ideal cand ...

    Senior Site Reliability Engineer (Application / API Focused)

    Senior Site Reliability Engineer (Application / API Focused) Location: London (Hybrid) Salary: £100,000 per annum + 25% Bonus + Excellent Benefits We are hiring a Senior SRE to support a large-scale digital organisation undergoing a major commercial re-platforming ...

    Senior Highway Engineer – Lead Sustainable Transport & Design

    A leading engineering firm in the UK is seeking Senior or Principal Highway Engineers to join their Liveable Places team. This role involves overseeing design processes, managing projects from inception to completion, and liaising with clients. Ideal candidates will have a Civil Engineering degree, experience in ...

    CCTV & Security Field Engineer – Local Patch, Weekdays

    A leading recruitment firm is seeking a CCTV/Security Engineer to join an outstanding organization renowned for its security services. This home-based role requires travelling to clients for the installation and maintenance of security systems. Candidates must have a full UK driving license and previous experien ...

    Hybrid Cyber Security Engineer – Cloud Posture & EDR

    A technology firm in Greater London seeks a Cyber Security Engineer to work within the Security Operations team. This hands-on role focuses on monitoring and optimizing core security platforms like CrowdStrike and Zscaler. Candidates should have at least 8 years of experience in cybersecurity and a Master's degr ...

    Senior Fullstack Engineer Business Banking Core Banking

    Overview At OakNorth, we’re on a mission to empower the UK’s most ambitious businesses. Since 2015, we’ve lent over $18 billion across the UK and US, helped create more than 58,000 new homes and 36,000 new jobs, and supported hundreds of thousands of personal savers — all while fuelling the UK eco ...

    Vault Security Engineer: Platform Owner for Secrets

    Levy Global is looking for a Senior Security Engineer with strong HashiCorp Vault expertise to join a key client in London. This hands-on position focuses on building and managing secure secrets management across cloud and Kubernetes environments. Responsibilities include operating HashiCorp Vault, designing sec ...

    Senior Full Stack Engineer — Shape Architecture & Impact

    Harnham is looking for three Senior Software Engineers to join their growing team in London, requiring 5+ years of experience in NodeJs and ReactJs. This hands-on role focuses on technical direction and collaboration, encouraging engineers to think critically and shape solutions. Candidates should be self-starte ...

    Full Stack AI Engineer for Enterprise Apps

    A cutting-edge AI company in the United Kingdom is seeking an AI Engineer to build and scale AI-powered applications that transform enterprise workflows. The ideal candidate will have 2-5 years of full-stack development experience, proficiency in modern web technologies like React and Node.js, and a strong under ...

    Senior DevOps Engineer | Cloud Native AWS & Kubernetes

    A leading financial services firm in Greater London is seeking a Senior DevOps Engineer to enhance its cloud-native platform on AWS. The role involves designing and optimizing AWS infrastructure, deploying Kubernetes clusters, and automating processes for efficiency. Ideal candidates should have over 10 years of ...

    AI Engineer: Build Enterprise Agent AI Solutions

    A leading AI solutions provider in Greater London is seeking an AI Engineer to develop advanced AI systems, focusing on LLMs and transformative solutions for various industries. The role involves collaboration, innovation, and mentoring Junior Engineers while driving impactful AI projects. Candidates should have ...

    London Front Office Production Engineer – Trading Systems

    A prominent tech consultancy in the UK seeks a Production Engineer to enhance and stabilize trading systems. This role requires expertise in Linux/UNIX and SQL, alongside strong analytical skills. The ideal candidate will work within demanding and fast-paced trading environments, ensuring high availability of cr ...

    Senior Network Security Engineer Onsite in Guildford

    A leading cybersecurity firm in the UK is seeking a Senior Network Security Engineer to manage network security operations, troubleshoot security issues, and lead installation projects. The ideal candidate will have over 7 years of experience in enterprise network security, proficient in Cisco technologies, and ...

    Technical Support Engineer — Flexible Hours, Early Fridays

    A technology-driven company in London is looking for a full-time Technical Support Engineer to provide on-site support for critical applications and IT infrastructure. The ideal candidate will have solid experience in 1st and 2nd line support, strong knowledge of Office 365 and Azure, and a problem-solving minds ...

    Lead Mobile Engineer Kotlin Multiplatform (KMP) | Hybrid

    Client Server in London is seeking a Lead Mobile Engineer/Developer with expertise in Kotlin Multiplatform (KMP) for iOS and Android. The role involves leading the architecture and development of mobile applications, collaborating with cross-functional teams, and mentoring junior engineers. Offering a salary up ...

    Mobile Gas Engineer – London Field HVAC & PPM

    Abm-Industries-Inc.-2 is seeking a skilled Gas Combustion Engineer for their London operations. The role involves maintenance and repair of gas equipment, ensuring compliance with industry regulations. Candidates must hold commercial and domestic gas qualifications, and experience with various gas systems is ess ...

    London Security Engineer: Cloud Threat Detection & IAM

    Harrington Starr is seeking a Security Engineer to join a global financial technology business in central London. The role involves designing and implementing security controls, managing AWS GuardDuty, and collaborating with DevOps teams to enhance cloud security. Key skills required include extensive experience ...

    Senior Backend Engineer, Gaming Global, Low Latency

    Tencent is hiring an experienced backend developer for their gaming division in Greater London. The ideal candidate has over 8 years of backend development experience, including at least 5 years in the gaming industry. Responsibilities include providing technical support for overseas game projects and working on ...

    Kubernetes DevOps Engineer (AWS/EKS) – Security Cleared

    A leading consultancy firm in the UK is looking for a skilled DevOps Engineer to join their team. You will be at the forefront of technological innovation, managing Kubernetes environments on AWS and using Terraform and Jenkins to streamline deployment. This role offers the chance to work on critical projects th ...

    Senior Full Stack Visualization Engineer (3D WebGL)

    A cutting-edge AI infrastructure platform is seeking a Senior Full-Stack Engineer (Front-End Leaning) to lead the development of complex visualization tools for AI datasets. You will design and implement high-performance UI components using TypeScript and React, manage full-stack projects, and collaborate with a ...

    Mobile Engineer – SFG20 Maintenance for Fire Stations

    A leading facilities management company is seeking a Mobile Engineer for the London Fire Brigade. You will be responsible for planned maintenance and reactive fault diagnostics across fire stations in London. Key skills include SFG 20 maintenance, generator load testing, and trade qualifications in plumbing, mec ...

    Cloud Security Engineer: Azure, AWS & M365 Defender

    Brighton and Hove Albion Football Club is seeking a Cloud Security Engineer to lead the design and implementation of security controls across Azure, AWS, and Microsoft 365. The role involves securing cloud platforms, enhancing detection capabilities, and collaborating with cross-functional teams. Ideal candidate ...

    Senior PHP Engineer: API & Lending Platform Innovator

    Deepstreamtech is seeking a Senior PHP Engineer in Greater London to innovate in their engineering organization. In this role, you'll work on exciting projects involving new API integrations and optimisation of their lending platforms. Strong PHP 8.0+ experience and familiarity with frameworks like Symfony or La ...

    Senior Applied AI Engineer Autonomous Agents Architect

    A major financial institution in the UK is seeking an AI Engineer to design and deploy autonomous AI agents that enhance operations. You will work on multi-agent systems to streamline complex workflows and partner with stakeholders to define requirements. The ideal candidate has an advanced degree in Computer Sc ...

    Frontend Engineer: Build Scalable DX & Backstage Tools

    A leading research firm in London is seeking a Frontend Engineer to join its Research and Trade DX team. The role involves creating intuitive web experiences and scalable back-end services using React, TypeScript, and Node.js. Ideal candidates should have strong expertise in delivering end-to-end systems, along ...

    On Site DevOps Engineer — Secure Government IT

    A leading IT consultancy in the UK is seeking a DevOps Engineer to join its dynamic team. The role involves designing secure systems and collaborating with various technology specialists to overcome technical challenges. Candidates must have skills in Kubernetes, Argo, and other cloud technologies. This position ...

    Senior Network Security Engineer (Palo Alto SASE)

    Senior Network Security Engineer As Senior Network Security Engineer, the primary value of this role is to act as an escalation point for the day-to-day BAU operations and facilitate all aspects of remote and on-site solution support, advice, and consultation from fault resolution to system enhan ...

    Zscaler Security Engineer | Zero Trust & App Onboarding

    i-confidential Limited is seeking a Network Security Engineer to design secure access models and manage application onboarding. The role requires strong networking expertise, hands-on experience with Zscaler or similar platforms, and the ability to work autonomously in complex environments. Applicants should hav ...

    Senior Full Stack Engineer TypeScript/React (Hybrid)

    FORT is seeking a Senior Full Stack Engineer to join their growing engineering team in Greater London. This role involves developing customer-facing features using TypeScript and React within a modern SaaS platform. The position offers a competitive salary of up to £100,000 and promotes a hybrid working model, a ...

    Senior Rust/C++ Backend Engineer — Trading Platform

    Blockchain is seeking a Senior Back-End Engineer for its London office to develop low-latency trading services in Rust and enhance Order Management System functionality. The ideal candidate will have extensive experience in C++ and/or Rust, along with a solid background in trading systems architecture. This posi ...

    Senior Kubernetes Engineer Scale, Security & CI/CD

    A leading tech recruitment agency is seeking a Kubernetes expert to optimise large-scale environments and enhance infrastructure reliability and security. In this role, you'll work with cutting-edge tools, develop CI/CD pipelines, and enjoy hybrid work flexibility. The position offers fully funded training and c ...

    Security Install Engineer – CCTV, Access Control & Alarms

    A respected security systems firm is looking for an experienced Security Install Engineer to join their growing team. The role involves installing CCTV, access control, and intruder alarm systems across commercial and residential sites along the M4 Corridor. Candidates should have a full UK driving license and i ...

    London Fire & Security Install Engineer – Vehicle & Overtime

    A leading fire and security company in London is seeking an experienced Fire & Security Installation Engineer. The role involves installing various fire and security systems, ensuring compliance and quality. Candidates should have proven installation experience and strong knowledge of relevant systems. Offering ...

    Security Engineer — Onsite Lisbon: Threat Modeling & SDLC

    Air Apps is seeking a Security Engineer to safeguard applications and infrastructure from threats. The role requires approximately 4+ years of experience in cybersecurity and knowledge of secure coding principles. Responsibilities include implementing threat modeling, conducting vulnerability scanning, and integ ...

    Mobile HVAC Engineer – Site Maintenance & Fault Finding

    A leading facilities management company in Greater London is seeking a Mobile Air Conditioning Engineer. The role involves planned maintenance on commercial HVAC systems, fault diagnostics, and repairs. Candidates must hold an F-Gas Cat 1 qualification and a full UK driving license. The offer includes a competit ...

    Network Security Operations Engineer, Assistant Vice President

    Network Security Operation Engineer will be responsible for implementing and maintaining systems to protect State Street's network infrastructure. This includes managing security policy, conducting security audits, and analyzing security & network traffic. Additionally, they are tasked with creating, updat ...

    Mid Level Frontend Engineer (React/React Native)

    Mid Level Frontend Engineer (React/React Native) Office: London Apply for this role About the company Emma is the app to manage all things money. Our mission is to empower millions of people to live a better and more fulfilling financial life. Emma was founded by engineers ...

    AI Solutions Engineer — Production Systems & Client Delivery

    Oliver Bernard is seeking a hands-on, client-facing role at a high-growth AI deployment company leading in enterprise AI. Ideal candidates will have over 5 years of experience in building and shipping production systems, proficient in LLMs and AI workflows, along with cloud experience (AWS, GCP, or Azure). This ...

    Senior IAM Engineer (Remote) — CyberArk & SSO Specialist

    Investigo is seeking a Senior IAM Engineer for a remote position. The role involves owning the Identity & Access Management for a leading automotive company, collaborating on global IAM engineering, and contributing to security roadmaps. Candidates should have extensive experience with CyberArk and IDP solutions ...

    Site Reliability Engineer (SRE / Observability Technical Lead)

    Requirements The ideal candidate will have deep expertise in Application Performance Monitoring (APM), Infrastructure as Code (IaC), automation, and distributed tracing using OpenTelemetry 5+ years of experience in SRE, Observability, or DevOps roles, with leadership responsibilities ...

    Senior Backend Engineer FinTech: Scalable Billing & Impact

    A fast-growing B2B FinTech firm in the United Kingdom is seeking backend engineers to build and scale billing infrastructure. You will work closely with a small team on critical product features and AI-powered workflows, ensuring reliability and performance in a fast-moving environment. Candidates should have st ...

    Senior Engineer, UK Regional — Build Scalable Solutions

    Xero is seeking a Senior Engineer in Greater London to deliver essential product features that enhance business success in the UK. You will engage with a high-caliber team and tackle diverse projects across Xero’s product range, including Payments, Accounting, and Payroll. Your role will involve problem-solving, ...

    Senior/Principal E&P Engineer Fixed Plant

    Job Description What if you could shape a career as unique as you? At WSP, you can always find opportunities to grow and do what matters to you. Make the most of our global reach to discover new challenges and chances to work with diverse, talented individuals who will help ...

    Lab Instrumentation Engineer – On Site London (Contract)

    A large global organisation is seeking a Lab Engineer to provide on-site support for laboratory systems in Greater London. The role involves managing hardware inventory, troubleshooting issues, and ensuring optimal performance of lab PCs. Candidates should have experience with laboratory instrumentation and be p ...

    CloudOps Engineer: AWS/Azure/GCP & SAP Specialist

    A leading music company is seeking a collaborative individual to join their CloudOps team as a technical resource. The role involves providing technical support for cloud-based systems, coordinating deployments, and ensuring compliance with operational standards across AWS, Azure, and GCP environments. Candidate ...

    🚀 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