• London Jobs Expertini profile avatar

    • Back End Developer Java Spring Bootpython 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. Back End Developer Java Spring Bootpython Jobs

    6. Download PDF

    Reset

    Create Job Alert
      Add Alert

     
     
    Create Alert
     
    Reset

    D365 CE/CRM Developer Security Cleared London & Remote

    Every Cloud are currently seeking a Security Cleared D365 CE/CRM Developer for a role based in London and Remote. You will be working on a range of interesting projects and programmes, utilising your D365 CE/CRM Development expertise. Your role will include Solution Design and Development, Data Migr ...

    Software Developer Research Technology London, England, United Kingdom

    Software Developer - Research Technology XTX Markets is a leading algorithmic trading firm which uses state-of-the-art machine learning technology to produce price forecasts for over 50,000 financial instruments across equities, fixed income, currencies, commodities and crypto. It uses those fore ...

    Senior Guidewire Developer ACE Certified Claims Center Expert

    A technology consulting firm is seeking a Senior Software Engineer with over 12 years of Guidewire ClaimCenter experience. The ideal candidate will possess a Guidewire Ace certification and have strong expertise in claims across various modules. Responsibilities include developing integrations between ClaimCente ...

    Hybrid FX Front Office E Trading Developer Python

    A leading financial services firm in London is looking for a Jnr/Mid-level Front Office E-Trading Developer. This role supports a dynamic FX trading desk and requires strong Python development skills alongside a solid understanding of financial markets. The successful candidate will engage with traders, maintain ...

    C++ Low Latency Developer Leading HFT Firm | London

    C++ Low‑Latency Developer - Leading HFT Firm | London We are seeking an exceptional C++ Engineer to join one of the world's most advanced high‑frequency trading firms. This is a rare opportunity to work at the intersection of cutting‑edge technology and global financial markets, where per ...

    Junior C# Developer: Learn, Build & Grow in .NET

    A digital transformation leader in London is seeking a Junior Developer (C#) to support technical development and integration projects. The ideal candidate will have a strong understanding of C# and .NET principles, be eager to learn about Sitecore ContentHub, and work collaboratively in a fast-paced environment ...

    Intermediate React Developer: Clean Code, Agile, Flexible Working

    A technology company in London is searching for an Intermediate React Developer to join a skilled team focused on building modern web applications. The role involves designing interactive single-page applications, writing thorough tests, and collaborating with designers and product owners to ensure exceptional u ...

    Senior Software Developer Trading Systems (C#, .NET, SQL)

    A leading IT recruitment agency is seeking a Senior Software Developer specializing in trading systems. The successful candidate will work on greenfield projects within a collaborative environment, producing high-quality code using C#, .NET, SQL Server, and more. A BSc in Computer Science or Mathematics from a p ...

    C++ Quant Developer Crypto Options, High Performance Trading

    A crypto-native trading firm in London is looking for an experienced C++ Developer to join its growing options team. In this role, you will design and implement high-performance trading systems and collaborate directly with traders. Candidates should possess strong C++ skills and experience in trading platforms. ...

    Remote Python Developer & AI Task Designer (Part Time)

    A leading technology company in the UK is seeking skilled Full-Stack Developers for remote, part-time project-based consultant work. Candidates should have strong expertise in Python and JavaScript/TypeScript, along with 3–7 years of software engineering experience. Responsibilities include designing multi-file ...

    Lead Software Developer in Test for Core Transformation

    SGI is seeking a leader for a new testing team in Greater London. In this role, you will lead testing initiatives on key transformation projects, ensuring high quality through automated tests and CI/CD processes. We're looking for candidates with strong coding skills in JavaScript/Typescript and experience in le ...

    Remote Power BI & Power Apps Developer — Data Architect

    Methods Business and Digital Technology is looking for a Power BI / Power Apps Developer to join their Public Sector Business Unit. This permanent role, mainly remote with travel requirements, focuses on designing, building, and maintaining impactful business solutions. Candidates should have deep expertise in P ...

    Remote Power BI & Power Apps Developer — Data Architect

    Methods Business and Digital Technology Ltd is seeking a skilled Power BI / Power Apps Developer to join their team within the Public Sector Business Unit. This permanent role is mainly remote but requires flexibility to travel to client sites. Candidates should have advanced knowledge of Power BI, experience wi ...

    Senior Full Stack Developer (Python) Networks, Vice President

    Job Description Networks as a Service (NAAS) is seeking a highly skilled senior level developer with network infrastructure experience to join our development team. Your goal is to deliver products to our global network team, assisting with the transformation to an automated network and network s ...

    Android / App Developer / Dev for The Climate App!

    Overview We're on a mission to create a global movement of climate action. We make climate action easy, fun & social. We are a global network of highly skilled developers, activists and professionals - all on a mission to help solve the greatest threat of humankind! We're making an enviro ...

    Senior KDB+ Developer: Real Time Risk Data Platforms

    Luxoft is looking for an experienced Senior KDB+ Developer in Greater London. The successful candidate will design and optimize high-performance data platforms using kdb+. Key responsibilities include building kdb+ systems, collaborating with Risk teams, and mentoring junior developers. Candidates should have ov ...

    Ruby on Rails Developer — Ownership, Equity & Hybrid London

    A fast-growing technology business is looking for a Ruby on Rails Developer in London (hybrid). You'll work on a modern platform focusing on backend services and APIs, with the opportunity to influence architectural direction in a small team. The role requires 2+ years' experience in Ruby on Rails or Python, and ...

    C++ Developer – Options | London, New York, Miami, Sydney

    Salary: up to £250k UK + bonusLocations: London, New York, Miami, Sydney SummaryFantastic opportunity for a strong C++ software engineer to gain experience in options market-making at a globally successful firm. This role offers the opportunity to contribute to on ...

    BXTI, Site Reliability Engineer Data, Cloud & Developer Experience

    Blackstone is the world’s largest alternative asset manager. We seek to create positive economic impact and long-term value for our investors, the companies we invest in, and the communities in which we work. We do this by using extraordinary people and flexible capital to help companies solve pro ...

    Senior Full Stack Developer (C# ASP.NET, JavaScript) Remote

    ENVIRONMENT:Our client is a rapidly expanding international consultancy specializing in bespoke software development and digital transformation solutions for a diverse corporate clientele. They are currently seeking a Senior Full-Stack C# ASP.NET Developer, which is a key technical position within ...

    Senior Full Stack Developer (Python) Networks, Vice President

    Job Description Networks as a Service (NAAS) is seeking a highly skilled senior level developer with network infrastructure experience add to our development team. Your goal is to deliver products to our global network team which will assist with the transformation to an automated network ...

    Python Counterparty Credit Risk Senior Developer, Vice President

    The Analytical Calculation Engine (ACE) Development Team is a group within Citi Financial Risk Technology, responsible for developing and implementing the applications used for derivatives credit risk and exposure calculations Firm-wide.The team's primary focus is the development, testing, deployment, ...

    Retail & Fashion / Product Development Assistant Footwear Product Developer

    Assistant Footwear Product DeveloperLondon Office1-Year FTC (Maternity Cover)£30,000–£35,000Ready to take the next step in your footwear journey?A group company behind some of the most iconic global brands in the world, is on the hunt for an <b ...

    Informatica MDM Developer 6+ Months Start Latest June

    We are seeking a Specialist for Informatica MDM and Informatica Cloud MDM to design, deliver, and lead enterprise level master data management solutions. Roles and Responsibilities* Lead end to end Informatica MDM project implementations, ensuring alignment with business objectives* Develo ...

    Rust Developer – Elite Trading Firm, London : £80 180k

    We are partnering with a world-class trading firm at the forefront of technology and financial innovation. They are seeking Rust Developers to join their highly skilled engineering team in London. This is a chance to work in an elite environment where cutting-edge tech meets global trading excellence. ...

    Senior Python Developer | Series B Fintech | Flexible Working |

    Senior Backend Engineer (Python / Distributed Systems) London / Hybrid We’re partnering with a high-growth fintech building critical infrastructure for institutional financial markets. Their platform processes billions in daily tra ...

    C++ Low Latency Developer Leading HFT Firm | London

    We are seeking an exceptional C++ Engineer to join one of the world's most advanced high-frequency trading firms. This is a rare opportunity to work at the intersection of cutting-edge technology and global financial markets, where performance is measured in nanoseconds and innovation drives ...

    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 ...

    Creative WebGL Developer (Three.js / React Three Fiber / React)

    Build web experiences people can’t stop sharing. We’re partnering with a well-known, well-trusted major Media company at the intersection of technology, storytelling, and global brand campaigns —and we’re hiring a Creative WebGL Developer </s ...

    BXTI, Site Reliability Engineer Data, Cloud & Developer Experience

    Blackstone is the world’s largest alternative asset manager. We seek to create positive economic impact and long-term value for our investors, the companies we invest in, and the communities in which we work. We do this by using extraordinary people and flexible capital to help companies solve problems. Ou ...

    Quant Developer: High Perf Trading Engines + Stock Options

    TankX is a quantitative trading company located in Greater London, seeking a skilled engineer to design low-latency trading systems. You'll build robust C++ engines and optimize performance while collaborating closely with data engineers. A Bachelor's or Master's in a related field is required, alongside strong ...

    C++ Developer Investment Tools and Signals in London)

    C++ Developer - Investment Tools and Signals Newton Colmore is looking for an experienced C++ developer with a strong interest in finance and technology to join a newly established investment team, developing cutting edge tools and algorithms. You will be working closely with quantitative ...

    Salesforce Developer — Vlocity & Core, Build Next‑Gen CX

    iO Associates is seeking a Salesforce Developer in the City of London to design and implement industry-specific solutions leveraging Salesforce and Vlocity. The ideal candidate will have expertise in Apex, Lightning Web Components, and OmniStudio, and will work collaboratively in a fast-paced consulting environm ...

    Low Latency C++ Quant Developer (HFT) in London

    Jobs via eFinancialCareers is seeking a Quant Developer to join the HFT team in London. The role involves designing and operating ultra-low-latency systems critical for global trading. Candidates should have at least 5 years of development experience in performance-critical C++. The position offers a collaborati ...

    Remote Lead Frontend Developer for UK Gov Projects

    Amber Labs is seeking a Lead Frontend Developer to lead technical delivery on high-impact government programmes, creating secure, accessible, user-focused digital services. The role requires experience in modern web technologies and UK central government projects. You will guide development teams, make architect ...

    Frontend React Developer – Hybrid UI for AI Finance

    A dynamic tech company in Greater London is seeking a React Developer to join its growing development team. You will implement user interface components using React and work collaboratively to produce clean, efficient code. The role offers competitive salary ranging from £60,000 to £75,000, hybrid working option ...

    C++ Junior Developer — Training & 18 Month Client Placement

    hackajob is looking for a C++ Junior Developer to work on mission-critical software engineering challenges. Candidates will undergo training at mthree Academy for 4–8 weeks, focusing on in-demand languages like C++. Responsibilities include collaborating with analysts and ensuring application performance and rel ...

    .NET Developer – GCP, REST APIs & Public Sector Projects

    Methods Business and Digital Technology Ltd is looking for a skilled .NET developer to enhance public sector projects. You will leverage your expertise in ASP.NET, GDS design, and SQL databases while working in a collaborative environment. Our company offers extensive training programs, competitive benefits, and ...

    SQL Database Developer – Data Platform Optimiser (Hybrid UK)

    Noir Consulting is seeking a SQL Database Developer to join a high-performance software company in London. The role involves optimising SQL Server and PostgreSQL platforms and collaborating with C# developers. Candidates should possess strong skills in T-SQL, SSIS, SSRS, and data engineering. The posit ...

    Développeur(se) de données Sénior / Senior Data Developer

    L’opportunité Développeur(se) de données Sénior appelé(e) à diriger la conception et la mise en œuvre de notre plateforme de données essentielle aux activités de l’entreprise. Occuper un rôle avec une grande autonomie, intégré(e) à une équipe de développeur(se)s logiciel et de données sén ...

    Remote Power BI Developer — Performance Dashboards & Data Models

    Nigel Frank is seeking a Power BI / Data Performance Specialist for a fully remote contract opportunity lasting 3 months, likely to extend. The role focuses on establishing reporting capabilities from scratch, delivering performance-driven insights to stakeholders, and enhancing data maturity. Candidates should ...

    Full Stack Python Developer in London Quant Capital

    Full Stack Python Developer Location: London, United Kingdom Posted 10 months ago Overview This is a job posted by our partner Jooble. Tech Stack Computer Science Full-stack JavaScript Python Qualific ...

    Frontend HTML5 Developer Slough in London Quant Capital

    Tech Stack HTML5, CSS3, JavaScript, Angular, React Client Details My client is based in Slough, SL2 and offers one of the best training and development packages in the market, all inclusive. Job Opportunity Challenge: Develop Greenfield systems and increase functional ...

    Python Developer with Azure Databricks in London Luxoft

    Python Developer with Azure Databricks London, United Kingdom Full time Compensation: Competitive Visa sponsorship: Not provided Responsibilities Maintain and enhance the existing Python- based reporting system, ensuring stability and accurac ...

    Graduate Frontend Developer in London Graduate Recruitment Bureau

    Job Requirements You will be a recent graduate or someone with 1-3 years of post‑grad work experience with a love for all things frontend. Ideally, you’ll have some experience with one or more of the technologies below: Typescript Javascript Vue 2 or 3 ...

    Lead Python Developer (Hybrid) FinTech, Up to £120k

    Client Server is seeking an experienced Python Developer / Team Lead in Greater London, offering a salary up to £120k plus benefits. You will lead a small tech team to enhance core banking features, refactor code, and collaborate on problem-solving. Ideal candidates will have strong Python skills, team leadershi ...

    Senior .NET Developer for Financial Risk & Securities Lending

    LanceSoft UK is hiring a Senior C# / .NET Developer for a 6-month hybrid contract in London. The role involves designing and supporting high-performance systems for financial services, focusing on Risk Management and Securities Lending. Candidates must have strong experience in C# and .NET, along with proven ski ...

    Energy Trading: Python Developer for Front Office Analytics

    RJC Group is seeking a Python Developer to support trading activities within their front-office energy trading firm in London. This high-impact role involves designing and building data models to aid trading decisions, as well as collaborating closely with traders and business stakeholders. Strong Python skills ...

    Lead Android Developer: Kotlin, CI/CD, London (Freelance)

    RED Global is looking for a Lead Android Developer in London for a Freelance, hybrid role lasting 3 months or more. The successful candidate will lead the design, architecture, and delivery of scalable Android applications while mentoring other developers. Adept in Kotlin, CI/CD, and Android SDK, you will ensure ...

    Python Developer Backend or Full Stack London Hybrid

    Our client is building AI products that automate complex, document-heavy workflows for financial services businesses - and they’re looking for ambitious Software Engineers to help scale the platform. This is the kind of environment where engineers ship fast, solve real problems, and see their work ...

    🚀 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 →

      Back End Developer Java Spring Bootpython Jobs in London Job Search Guide, Trends and Insights